src/string.c

Mon, 23 Jan 2023 20:34:18 +0100

author
Mike Becker <universe@uap-core.de>
date
Mon, 23 Jan 2023 20:34:18 +0100
changeset 639
309e8b08c60e
parent 628
1e2be40f0cb5
child 643
5700ba9154ab
permissions
-rw-r--r--

temporarily remove pointer lists - see #234

576
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
1 /*
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
3 *
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
5 *
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
8 *
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
11 *
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
15 *
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
27 */
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
28
ba0c4ff6698e first proposal for the string header
Mike Becker <universe@uap-core.de>
parents:
diff changeset
29 #include "cx/string.h"
579
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
30 #include "cx/utils.h"
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
31
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
32 #include <string.h>
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
33 #include <stdarg.h>
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
34 #include <ctype.h>
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
35
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
36 #ifndef _WIN32
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
37
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
38 #include <strings.h> // for strncasecmp()
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
39
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
40 #endif // _WIN32
579
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
41
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
42 cxmutstr cx_mutstr(char *cstring) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
43 return (cxmutstr) {cstring, strlen(cstring)};
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
44 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
45
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
46 cxmutstr cx_mutstrn(
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
47 char *cstring,
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
48 size_t length
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
49 ) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
50 return (cxmutstr) {cstring, length};
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
51 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
52
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
53 cxstring cx_str(const char *cstring) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
54 return (cxstring) {cstring, strlen(cstring)};
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
55 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
56
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
57 cxstring cx_strn(
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
58 const char *cstring,
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
59 size_t length
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
60 ) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
61 return (cxstring) {cstring, length};
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
62 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
63
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
64 cxstring cx_strcast(cxmutstr str) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
65 return (cxstring) {str.ptr, str.length};
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
66 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
67
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
68 void cx_strfree(cxmutstr *str) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
69 free(str->ptr);
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
70 str->ptr = NULL;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
71 str->length = 0;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
72 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
73
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
74 void cx_strfree_a(
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
75 CxAllocator *alloc,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
76 cxmutstr *str
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
77 ) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
78 cxFree(alloc, str->ptr);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
79 str->ptr = NULL;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
80 str->length = 0;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
81 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
82
579
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
83 size_t cx_strlen(
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
84 size_t count,
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
85 ...
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
86 ) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
87 if (count == 0) return 0;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
88
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
89 va_list ap;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
90 va_start(ap, count);
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
91 size_t size = 0;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
92 cx_for_n(i, count) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
93 cxstring str = va_arg(ap, cxstring);
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
94 size += str.length;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
95 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
96 va_end(ap);
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
97
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
98 return size;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
99 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
100
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
101 cxmutstr cx_strcat_a(
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
102 CxAllocator *alloc,
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
103 size_t count,
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
104 ...
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
105 ) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
106 cxstring *strings = calloc(count, sizeof(cxstring));
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
107 if (!strings) abort();
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
108
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
109 va_list ap;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
110 va_start(ap, count);
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
111
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
112 // get all args and overall length
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
113 size_t slen = 0;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
114 cx_for_n(i, count) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
115 cxstring s = va_arg (ap, cxstring);
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
116 strings[i] = s;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
117 slen += s.length;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
118 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
119
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
120 // create new string
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
121 cxmutstr result;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
122 result.ptr = cxMalloc(alloc, slen + 1);
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
123 result.length = slen;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
124 if (result.ptr == NULL) abort();
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
125
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
126 // concatenate strings
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
127 size_t pos = 0;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
128 cx_for_n(i, count) {
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
129 cxstring s = strings[i];
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
130 memcpy(result.ptr + pos, s.ptr, s.length);
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
131 pos += s.length;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
132 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
133
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
134 // terminate string
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
135 result.ptr[result.length] = '\0';
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
136
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
137 // free temporary array
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
138 free(strings);
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
139
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
140 return result;
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
141 }
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
142
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
143 cxstring cx_strsubs(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
144 cxstring string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
145 size_t start
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
146 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
147 return cx_strsubsl(string, start, string.length - start);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
148 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
149
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
150 cxmutstr cx_strsubs_m(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
151 cxmutstr string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
152 size_t start
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
153 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
154 return cx_strsubsl_m(string, start, string.length - start);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
155 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
156
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
157 cxstring cx_strsubsl(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
158 cxstring string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
159 size_t start,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
160 size_t length
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
161 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
162 if (start > string.length) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
163 return (cxstring) {NULL, 0};
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
164 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
165
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
166 size_t rem_len = string.length - start;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
167 if (length > rem_len) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
168 length = rem_len;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
169 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
170
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
171 return (cxstring) {string.ptr + start, length};
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
172 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
173
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
174 cxmutstr cx_strsubsl_m(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
175 cxmutstr string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
176 size_t start,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
177 size_t length
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
178 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
179 cxstring result = cx_strsubsl(cx_strcast(string), start, length);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
180 return (cxmutstr) {(char *) result.ptr, result.length};
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
181 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
182
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
183 cxstring cx_strchr(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
184 cxstring string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
185 int chr
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
186 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
187 chr = 0xFF & chr;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
188 // TODO: improve by comparing multiple bytes at once
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
189 cx_for_n(i, string.length) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
190 if (string.ptr[i] == chr) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
191 return cx_strsubs(string, i);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
192 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
193 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
194 return (cxstring) {NULL, 0};
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
195 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
196
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
197 cxmutstr cx_strchr_m(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
198 cxmutstr string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
199 int chr
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
200 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
201 cxstring result = cx_strchr(cx_strcast(string), chr);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
202 return (cxmutstr) {(char *) result.ptr, result.length};
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
203 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
204
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
205 cxstring cx_strrchr(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
206 cxstring string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
207 int chr
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
208 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
209 chr = 0xFF & chr;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
210 size_t i = string.length;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
211 while (i > 0) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
212 i--;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
213 // TODO: improve by comparing multiple bytes at once
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
214 if (string.ptr[i] == chr) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
215 return cx_strsubs(string, i);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
216 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
217 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
218 return (cxstring) {NULL, 0};
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
219 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
220
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
221 cxmutstr cx_strrchr_m(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
222 cxmutstr string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
223 int chr
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
224 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
225 cxstring result = cx_strrchr(cx_strcast(string), chr);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
226 return (cxmutstr) {(char *) result.ptr, result.length};
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
227 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
228
591
7df0bcaecffa fix over-optimization of strstr
Mike Becker <universe@uap-core.de>
parents: 590
diff changeset
229 #define STRSTR_SBO_BUFLEN 512
579
bbc46dcd5255 start implementing string functions
Mike Becker <universe@uap-core.de>
parents: 576
diff changeset
230
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
231 cxstring cx_strstr(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
232 cxstring haystack,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
233 cxstring needle
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
234 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
235 if (needle.length == 0) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
236 return haystack;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
237 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
238
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
239 // optimize for single-char needles
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
240 if (needle.length == 1) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
241 return cx_strchr(haystack, *needle.ptr);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
242 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
243
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
244 /*
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
245 * IMPORTANT:
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
246 * Our prefix table contains the prefix length PLUS ONE
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
247 * this is our decision, because we want to use the full range of size_t.
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
248 * The original algorithm needs a (-1) at one single place,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
249 * and we want to avoid that.
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
250 */
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
251
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
252 // local prefix table
591
7df0bcaecffa fix over-optimization of strstr
Mike Becker <universe@uap-core.de>
parents: 590
diff changeset
253 size_t s_prefix_table[STRSTR_SBO_BUFLEN];
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
254
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
255 // check needle length and use appropriate prefix table
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
256 // if the pattern exceeds static prefix table, allocate on the heap
591
7df0bcaecffa fix over-optimization of strstr
Mike Becker <universe@uap-core.de>
parents: 590
diff changeset
257 bool useheap = needle.length >= STRSTR_SBO_BUFLEN;
7df0bcaecffa fix over-optimization of strstr
Mike Becker <universe@uap-core.de>
parents: 590
diff changeset
258 register size_t *ptable = useheap ? calloc(needle.length + 1,
7df0bcaecffa fix over-optimization of strstr
Mike Becker <universe@uap-core.de>
parents: 590
diff changeset
259 sizeof(size_t)) : s_prefix_table;
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
260
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
261 // keep counter in registers
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
262 register size_t i, j;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
263
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
264 // fill prefix table
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
265 i = 0;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
266 j = 0;
591
7df0bcaecffa fix over-optimization of strstr
Mike Becker <universe@uap-core.de>
parents: 590
diff changeset
267 ptable[i] = j;
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
268 while (i < needle.length) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
269 while (j >= 1 && needle.ptr[j - 1] != needle.ptr[i]) {
591
7df0bcaecffa fix over-optimization of strstr
Mike Becker <universe@uap-core.de>
parents: 590
diff changeset
270 j = ptable[j - 1];
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
271 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
272 i++;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
273 j++;
591
7df0bcaecffa fix over-optimization of strstr
Mike Becker <universe@uap-core.de>
parents: 590
diff changeset
274 ptable[i] = j;
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
275 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
276
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
277 // search
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
278 cxstring result = {NULL, 0};
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
279 i = 0;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
280 j = 1;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
281 while (i < haystack.length) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
282 while (j >= 1 && haystack.ptr[i] != needle.ptr[j - 1]) {
591
7df0bcaecffa fix over-optimization of strstr
Mike Becker <universe@uap-core.de>
parents: 590
diff changeset
283 j = ptable[j - 1];
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
284 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
285 i++;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
286 j++;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
287 if (j - 1 == needle.length) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
288 size_t start = i - needle.length;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
289 result.ptr = haystack.ptr + start;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
290 result.length = haystack.length - start;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
291 break;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
292 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
293 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
294
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
295 // if prefix table was allocated on the heap, free it
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
296 if (ptable != s_prefix_table) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
297 free(ptable);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
298 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
299
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
300 return result;
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
301 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
302
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
303 cxmutstr cx_strstr_m(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
304 cxmutstr haystack,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
305 cxstring needle
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
306 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
307 cxstring result = cx_strstr(cx_strcast(haystack), needle);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
308 return (cxmutstr) {(char *) result.ptr, result.length};
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
309 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
310
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
311 size_t cx_strsplit(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
312 cxstring string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
313 cxstring delim,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
314 size_t limit,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
315 cxstring *output
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
316 ) {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
317 // special case: output limit is zero
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
318 if (limit == 0) return 0;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
319
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
320 // special case: delimiter is empty
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
321 if (delim.length == 0) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
322 output[0] = string;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
323 return 1;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
324 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
325
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
326 // special cases: delimiter is at least as large as the string
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
327 if (delim.length >= string.length) {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
328 // exact match
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
329 if (cx_strcmp(string, delim) == 0) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
330 output[0] = cx_strn(string.ptr, 0);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
331 output[1] = cx_strn(string.ptr + string.length, 0);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
332 return 2;
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
333 } else {
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
334 // no match possible
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
335 output[0] = string;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
336 return 1;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
337 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
338 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
339
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
340 size_t n = 0;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
341 cxstring curpos = string;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
342 while (1) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
343 ++n;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
344 cxstring match = cx_strstr(curpos, delim);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
345 if (match.length > 0) {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
346 // is the limit reached?
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
347 if (n < limit) {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
348 // copy the current string to the array
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
349 cxstring item = cx_strn(curpos.ptr, match.ptr - curpos.ptr);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
350 output[n - 1] = item;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
351 size_t processed = item.length + delim.length;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
352 curpos.ptr += processed;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
353 curpos.length -= processed;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
354 } else {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
355 // limit reached, copy the _full_ remaining string
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
356 output[n - 1] = curpos;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
357 break;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
358 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
359 } else {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
360 // no more matches, copy last string
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
361 output[n - 1] = curpos;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
362 break;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
363 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
364 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
365
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
366 return n;
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
367 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
368
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
369 size_t cx_strsplit_a(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
370 CxAllocator *allocator,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
371 cxstring string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
372 cxstring delim,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
373 size_t limit,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
374 cxstring **output
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
375 ) {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
376 // find out how many splits we're going to make and allocate memory
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
377 size_t n = 0;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
378 cxstring curpos = string;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
379 while (1) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
380 ++n;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
381 cxstring match = cx_strstr(curpos, delim);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
382 if (match.length > 0) {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
383 // is the limit reached?
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
384 if (n < limit) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
385 size_t processed = match.ptr - curpos.ptr + delim.length;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
386 curpos.ptr += processed;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
387 curpos.length -= processed;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
388 } else {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
389 // limit reached
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
390 break;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
391 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
392 } else {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
393 // no more matches
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
394 break;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
395 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
396 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
397 *output = cxCalloc(allocator, n, sizeof(cxstring));
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
398 return cx_strsplit(string, delim, n, *output);
580
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
399 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
400
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
401 size_t cx_strsplit_m(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
402 cxmutstr string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
403 cxstring delim,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
404 size_t limit,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
405 cxmutstr *output
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
406 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
407 return cx_strsplit(cx_strcast(string),
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
408 delim, limit, (cxstring *) output);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
409 }
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
410
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
411 size_t cx_strsplit_ma(
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
412 CxAllocator *allocator,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
413 cxmutstr string,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
414 cxstring delim,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
415 size_t limit,
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
416 cxmutstr **output
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
417 ) {
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
418 return cx_strsplit_a(allocator, cx_strcast(string),
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
419 delim, limit, (cxstring **) output);
aac47db8da0b more implementations of string functions
Mike Becker <universe@uap-core.de>
parents: 579
diff changeset
420 }
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
421
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
422 int cx_strcmp(
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
423 cxstring s1,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
424 cxstring s2
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
425 ) {
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
426 if (s1.length == s2.length) {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
427 return memcmp(s1.ptr, s2.ptr, s1.length);
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
428 } else if (s1.length > s2.length) {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
429 return 1;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
430 } else {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
431 return -1;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
432 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
433 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
434
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
435 int cx_strcasecmp(
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
436 cxstring s1,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
437 cxstring s2
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
438 ) {
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
439 if (s1.length == s2.length) {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
440 #ifdef _WIN32
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
441 return _strnicmp(s1.ptr, s2.ptr, s1.length);
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
442 #else
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
443 return strncasecmp(s1.ptr, s2.ptr, s1.length);
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
444 #endif
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
445 } else if (s1.length > s2.length) {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
446 return 1;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
447 } else {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
448 return -1;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
449 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
450 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
451
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
452 cxmutstr cx_strdup_a(
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
453 CxAllocator *allocator,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
454 cxstring string
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
455 ) {
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
456 cxmutstr result = {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
457 cxMalloc(allocator, string.length + 1),
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
458 string.length
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
459 };
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
460 if (result.ptr == NULL) {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
461 result.length = 0;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
462 return result;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
463 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
464 memcpy(result.ptr, string.ptr, string.length);
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
465 result.ptr[string.length] = '\0';
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
466 return result;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
467 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
468
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
469 cxstring cx_strtrim(cxstring string) {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
470 cxstring result = string;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
471 // TODO: optimize by comparing multiple bytes at once
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
472 while (result.length > 0 && isspace(*result.ptr)) {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
473 result.ptr++;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
474 result.length--;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
475 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
476 while (result.length > 0 && isspace(result.ptr[result.length - 1])) {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
477 result.length--;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
478 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
479 return result;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
480 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
481
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
482 cxmutstr cx_strtrim_m(cxmutstr string) {
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
483 cxstring result = cx_strtrim(cx_strcast(string));
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
484 return (cxmutstr) {(char *) result.ptr, result.length};
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
485 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
486
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
487 bool cx_strprefix(
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
488 cxstring string,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
489 cxstring prefix
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
490 ) {
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
491 if (string.length < prefix.length) return false;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
492 return memcmp(string.ptr, prefix.ptr, prefix.length) == 0;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
493 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
494
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
495 bool cx_strsuffix(
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
496 cxstring string,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
497 cxstring suffix
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
498 ) {
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
499 if (string.length < suffix.length) return false;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
500 return memcmp(string.ptr + string.length - suffix.length,
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
501 suffix.ptr, suffix.length) == 0;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
502 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
503
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
504 bool cx_strcaseprefix(
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
505 cxstring string,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
506 cxstring prefix
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
507 ) {
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
508 if (string.length < prefix.length) return false;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
509 #ifdef _WIN32
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
510 return _strnicmp(string.ptr, prefix.ptr, prefix.length) == 0;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
511 #else
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
512 return strncasecmp(string.ptr, prefix.ptr, prefix.length) == 0;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
513 #endif
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
514 }
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
515
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
516 bool cx_strcasesuffix(
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
517 cxstring string,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
518 cxstring suffix
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
519 ) {
581
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
520 if (string.length < suffix.length) return false;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
521 #ifdef _WIN32
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
522 return _strnicmp(string.ptr+string.length-suffix.length,
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
523 suffix.ptr, suffix.length) == 0;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
524 #else
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
525 return strncasecmp(string.ptr + string.length - suffix.length,
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
526 suffix.ptr, suffix.length) == 0;
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
527 #endif
c067394737ca implement more string functions
Mike Becker <universe@uap-core.de>
parents: 580
diff changeset
528 }
582
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
529
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
530 void cx_strlower(cxmutstr string) {
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
531 cx_for_n(i, string.length) {
593
ea9b41b5ebbc explicitly cast int to char
Mike Becker <universe@uap-core.de>
parents: 591
diff changeset
532 string.ptr[i] = (char) tolower(string.ptr[i]);
582
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
533 }
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
534 }
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
535
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
536 void cx_strupper(cxmutstr string) {
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
537 cx_for_n(i, string.length) {
593
ea9b41b5ebbc explicitly cast int to char
Mike Becker <universe@uap-core.de>
parents: 591
diff changeset
538 string.ptr[i] = (char) toupper(string.ptr[i]);
582
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
539 }
96fa7fa6af4f implement strupper and strlower
Mike Becker <universe@uap-core.de>
parents: 581
diff changeset
540 }
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
541
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
542 #define REPLACE_INDEX_BUFFER_MAX 100
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
543
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
544 struct cx_strreplace_ibuf {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
545 size_t *buf;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
546 struct cx_strreplace_ibuf *next;
590
02a56701a5cb fix missing zero-termination in strreplace
Mike Becker <universe@uap-core.de>
parents: 583
diff changeset
547 unsigned int len;
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
548 };
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
549
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
550 static void cx_strrepl_free_ibuf(struct cx_strreplace_ibuf *buf) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
551 while (buf) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
552 struct cx_strreplace_ibuf *next = buf->next;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
553 free(buf->buf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
554 free(buf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
555 buf = next;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
556 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
557 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
558
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
559 cxmutstr cx_strreplacen_a(
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
560 CxAllocator *allocator,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
561 cxstring str,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
562 cxstring pattern,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
563 cxstring replacement,
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
564 size_t replmax
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
565 ) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
566
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
567 if (pattern.length == 0 || pattern.length > str.length || replmax == 0)
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
568 return cx_strdup_a(allocator, str);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
569
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
570 // Compute expected buffer length
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
571 size_t ibufmax = str.length / pattern.length;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
572 size_t ibuflen = replmax < ibufmax ? replmax : ibufmax;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
573 if (ibuflen > REPLACE_INDEX_BUFFER_MAX) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
574 ibuflen = REPLACE_INDEX_BUFFER_MAX;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
575 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
576
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
577 // Allocate first index buffer
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
578 struct cx_strreplace_ibuf *firstbuf, *curbuf;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
579 firstbuf = curbuf = calloc(1, sizeof(struct cx_strreplace_ibuf));
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
580 if (!firstbuf) return cx_mutstrn(NULL, 0);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
581 firstbuf->buf = calloc(ibuflen, sizeof(size_t));
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
582 if (!firstbuf->buf) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
583 free(firstbuf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
584 return cx_mutstrn(NULL, 0);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
585 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
586
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
587 // Search occurrences
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
588 cxstring searchstr = str;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
589 size_t found = 0;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
590 do {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
591 cxstring match = cx_strstr(searchstr, pattern);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
592 if (match.length > 0) {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
593 // Allocate next buffer in chain, if required
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
594 if (curbuf->len == ibuflen) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
595 struct cx_strreplace_ibuf *nextbuf =
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
596 calloc(1, sizeof(struct cx_strreplace_ibuf));
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
597 if (!nextbuf) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
598 cx_strrepl_free_ibuf(firstbuf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
599 return cx_mutstrn(NULL, 0);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
600 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
601 nextbuf->buf = calloc(ibuflen, sizeof(size_t));
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
602 if (!nextbuf->buf) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
603 free(nextbuf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
604 cx_strrepl_free_ibuf(firstbuf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
605 return cx_mutstrn(NULL, 0);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
606 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
607 curbuf->next = nextbuf;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
608 curbuf = nextbuf;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
609 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
610
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
611 // Record match index
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
612 found++;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
613 size_t idx = match.ptr - str.ptr;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
614 curbuf->buf[curbuf->len++] = idx;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
615 searchstr.ptr = match.ptr + pattern.length;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
616 searchstr.length = str.length - idx - pattern.length;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
617 } else {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
618 break;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
619 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
620 } while (searchstr.length > 0 && found < replmax);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
621
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
622 // Allocate result string
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
623 cxmutstr result;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
624 {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
625 ssize_t adjlen = (ssize_t) replacement.length - (ssize_t) pattern.length;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
626 size_t rcount = 0;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
627 curbuf = firstbuf;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
628 do {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
629 rcount += curbuf->len;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
630 curbuf = curbuf->next;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
631 } while (curbuf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
632 result.length = str.length + rcount * adjlen;
590
02a56701a5cb fix missing zero-termination in strreplace
Mike Becker <universe@uap-core.de>
parents: 583
diff changeset
633 result.ptr = cxMalloc(allocator, result.length + 1);
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
634 if (!result.ptr) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
635 cx_strrepl_free_ibuf(firstbuf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
636 return cx_mutstrn(NULL, 0);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
637 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
638 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
639
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
640 // Build result string
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
641 curbuf = firstbuf;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
642 size_t srcidx = 0;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
643 char *destptr = result.ptr;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
644 do {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
645 for (size_t i = 0; i < curbuf->len; i++) {
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
646 // Copy source part up to next match
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
647 size_t idx = curbuf->buf[i];
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
648 size_t srclen = idx - srcidx;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
649 if (srclen > 0) {
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
650 memcpy(destptr, str.ptr + srcidx, srclen);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
651 destptr += srclen;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
652 srcidx += srclen;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
653 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
654
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
655 // Copy the replacement and skip the source pattern
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
656 srcidx += pattern.length;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
657 memcpy(destptr, replacement.ptr, replacement.length);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
658 destptr += replacement.length;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
659 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
660 curbuf = curbuf->next;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
661 } while (curbuf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
662 memcpy(destptr, str.ptr + srcidx, str.length - srcidx);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
663
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
664 // Result is guaranteed to be zero-terminated
590
02a56701a5cb fix missing zero-termination in strreplace
Mike Becker <universe@uap-core.de>
parents: 583
diff changeset
665 result.ptr[result.length] = '\0';
02a56701a5cb fix missing zero-termination in strreplace
Mike Becker <universe@uap-core.de>
parents: 583
diff changeset
666
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 593
diff changeset
667 // Free index buffer
583
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
668 cx_strrepl_free_ibuf(firstbuf);
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
669
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
670 return result;
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
671 }
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
672
0f3c9662f9b5 add tests and missing implementations for strings
Mike Becker <universe@uap-core.de>
parents: 582
diff changeset
673

mercurial