Sun, 22 Dec 2024 22:10:04 +0100
don't trust that size_t always has word width
it should be the case on all platforms supported by UCX, but it's not strictly defined in POSIX that it must be the case
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
1 | /* |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
3 | * |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
4 | * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
5 | * |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
6 | * Redistribution and use in source and binary forms, with or without |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
7 | * modification, are permitted provided that the following conditions are met: |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
8 | * |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
9 | * 1. Redistributions of source code must retain the above copyright |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
10 | * notice, this list of conditions and the following disclaimer. |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
11 | * |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
12 | * 2. Redistributions in binary form must reproduce the above copyright |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
13 | * notice, this list of conditions and the following disclaimer in the |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
14 | * documentation and/or other materials provided with the distribution. |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
15 | * |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
6536a9a75b71
#222 add printf-like functions
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 |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
26 | * POSSIBILITY OF SUCH DAMAGE. |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
27 | */ |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
28 | |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
29 | #include "cx/printf.h" |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
30 | |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
31 | #include <stdio.h> |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
32 | #include <string.h> |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
33 | |
643
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
34 | #ifndef CX_PRINTF_SBO_SIZE |
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
35 | #define CX_PRINTF_SBO_SIZE 512 |
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
36 | #endif |
926
8fdd8d78c14b
fix several survivors of east-const and some missing consts
Mike Becker <universe@uap-core.de>
parents:
890
diff
changeset
|
37 | const unsigned cx_printf_sbo_size = CX_PRINTF_SBO_SIZE; |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
38 | |
643
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
39 | int cx_fprintf( |
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
40 | void *stream, |
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
41 | cx_write_func wfc, |
890
54565fd74e74
move all const keywords to the west - fixes #426
Mike Becker <universe@uap-core.de>
parents:
849
diff
changeset
|
42 | const char *fmt, |
643
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
43 | ... |
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
44 | ) { |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
45 | int ret; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
46 | va_list ap; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
47 | va_start(ap, fmt); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
48 | ret = cx_vfprintf(stream, wfc, fmt, ap); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
49 | va_end(ap); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
50 | return ret; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
51 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
52 | |
644 | 53 | int cx_vfprintf( |
54 | void *stream, | |
55 | cx_write_func wfc, | |
890
54565fd74e74
move all const keywords to the west - fixes #426
Mike Becker <universe@uap-core.de>
parents:
849
diff
changeset
|
56 | const char *fmt, |
644 | 57 | va_list ap |
58 | ) { | |
643
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
59 | char buf[CX_PRINTF_SBO_SIZE]; |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
60 | va_list ap2; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
61 | va_copy(ap2, ap); |
643
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
62 | int ret = vsnprintf(buf, CX_PRINTF_SBO_SIZE, fmt, ap); |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
63 | if (ret < 0) { |
811
b02ad05c7f2d
fix missing va_end() calls
Mike Becker <universe@uap-core.de>
parents:
810
diff
changeset
|
64 | va_end(ap2); |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
65 | return ret; |
643
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
66 | } else if (ret < CX_PRINTF_SBO_SIZE) { |
811
b02ad05c7f2d
fix missing va_end() calls
Mike Becker <universe@uap-core.de>
parents:
810
diff
changeset
|
67 | va_end(ap2); |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
68 | return (int) wfc(buf, 1, ret, stream); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
69 | } else { |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
70 | int len = ret + 1; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
71 | char *newbuf = malloc(len); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
72 | if (!newbuf) { |
811
b02ad05c7f2d
fix missing va_end() calls
Mike Becker <universe@uap-core.de>
parents:
810
diff
changeset
|
73 | va_end(ap2); |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
74 | return -1; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
75 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
76 | |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
77 | ret = vsnprintf(newbuf, len, fmt, ap2); |
811
b02ad05c7f2d
fix missing va_end() calls
Mike Becker <universe@uap-core.de>
parents:
810
diff
changeset
|
78 | va_end(ap2); |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
79 | if (ret > 0) { |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
80 | ret = (int) wfc(newbuf, 1, ret, stream); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
81 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
82 | free(newbuf); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
83 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
84 | return ret; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
85 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
86 | |
644 | 87 | cxmutstr cx_asprintf_a( |
890
54565fd74e74
move all const keywords to the west - fixes #426
Mike Becker <universe@uap-core.de>
parents:
849
diff
changeset
|
88 | const CxAllocator *allocator, |
54565fd74e74
move all const keywords to the west - fixes #426
Mike Becker <universe@uap-core.de>
parents:
849
diff
changeset
|
89 | const char *fmt, |
644 | 90 | ... |
91 | ) { | |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
92 | va_list ap; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
93 | va_start(ap, fmt); |
805
26500fc24058
add constant for reading out printf sbo size - relates to #343
Mike Becker <universe@uap-core.de>
parents:
693
diff
changeset
|
94 | cxmutstr ret = cx_vasprintf_a(allocator, fmt, ap); |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
95 | va_end(ap); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
96 | return ret; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
97 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
98 | |
644 | 99 | cxmutstr cx_vasprintf_a( |
890
54565fd74e74
move all const keywords to the west - fixes #426
Mike Becker <universe@uap-core.de>
parents:
849
diff
changeset
|
100 | const CxAllocator *a, |
54565fd74e74
move all const keywords to the west - fixes #426
Mike Becker <universe@uap-core.de>
parents:
849
diff
changeset
|
101 | const char *fmt, |
644 | 102 | va_list ap |
103 | ) { | |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
104 | cxmutstr s; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
105 | s.ptr = NULL; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
106 | s.length = 0; |
643
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
107 | char buf[CX_PRINTF_SBO_SIZE]; |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
108 | va_list ap2; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
109 | va_copy(ap2, ap); |
643
5700ba9154ab
#228 make buffer sizes adjustable at compile time
Mike Becker <universe@uap-core.de>
parents:
634
diff
changeset
|
110 | int ret = vsnprintf(buf, CX_PRINTF_SBO_SIZE, fmt, ap); |
812
fda0f1910d7e
fix unnecessary printf retry when printed string is empty
Mike Becker <universe@uap-core.de>
parents:
811
diff
changeset
|
111 | if (ret >= 0 && ret < CX_PRINTF_SBO_SIZE) { |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
112 | s.ptr = cxMalloc(a, ret + 1); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
113 | if (s.ptr) { |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
114 | s.length = (size_t) ret; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
115 | memcpy(s.ptr, buf, ret); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
116 | s.ptr[s.length] = '\0'; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
117 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
118 | } else { |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
119 | int len = ret + 1; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
120 | s.ptr = cxMalloc(a, len); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
121 | if (s.ptr) { |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
122 | ret = vsnprintf(s.ptr, len, fmt, ap2); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
123 | if (ret < 0) { |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
124 | free(s.ptr); |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
125 | s.ptr = NULL; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
126 | } else { |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
127 | s.length = (size_t) ret; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
128 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
129 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
130 | } |
811
b02ad05c7f2d
fix missing va_end() calls
Mike Becker <universe@uap-core.de>
parents:
810
diff
changeset
|
131 | va_end(ap2); |
599
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
132 | return s; |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
133 | } |
6536a9a75b71
#222 add printf-like functions
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
134 | |
849
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
135 | int cx_sprintf_a(CxAllocator *alloc, char **str, size_t *len, const char *fmt, ... ) { |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
136 | va_list ap; |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
137 | va_start(ap, fmt); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
138 | int ret = cx_vsprintf_a(alloc, str, len, fmt, ap); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
139 | va_end(ap); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
140 | return ret; |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
141 | } |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
142 | |
849
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
143 | int cx_vsprintf_a(CxAllocator *alloc, char **str, size_t *len, const char *fmt, va_list ap) { |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
144 | va_list ap2; |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
145 | va_copy(ap2, ap); |
849
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
146 | int ret = vsnprintf(*str, *len, fmt, ap); |
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
147 | if ((unsigned) ret >= *len) { |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
148 | unsigned newlen = ret + 1; |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
149 | char *ptr = cxRealloc(alloc, *str, newlen); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
150 | if (ptr) { |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
151 | int newret = vsnprintf(ptr, newlen, fmt, ap2); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
152 | if (newret < 0) { |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
153 | cxFree(alloc, ptr); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
154 | } else { |
849
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
155 | *len = newlen; |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
156 | *str = ptr; |
813
aba6d37b78bd
improve program flow - relates to #353
Mike Becker <universe@uap-core.de>
parents:
812
diff
changeset
|
157 | ret = newret; |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
158 | } |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
159 | } |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
160 | } |
813
aba6d37b78bd
improve program flow - relates to #353
Mike Becker <universe@uap-core.de>
parents:
812
diff
changeset
|
161 | va_end(ap2); |
aba6d37b78bd
improve program flow - relates to #353
Mike Becker <universe@uap-core.de>
parents:
812
diff
changeset
|
162 | return ret; |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
163 | } |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
164 | |
849
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
165 | int cx_sprintf_sa(CxAllocator *alloc, char *buf, size_t *len, char **str, const char *fmt, ... ) { |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
166 | va_list ap; |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
167 | va_start(ap, fmt); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
168 | int ret = cx_vsprintf_sa(alloc, buf, len, str, fmt, ap); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
169 | va_end(ap); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
170 | return ret; |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
171 | } |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
172 | |
849
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
173 | int cx_vsprintf_sa(CxAllocator *alloc, char *buf, size_t *len, char **str, const char *fmt, va_list ap) { |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
174 | va_list ap2; |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
175 | va_copy(ap2, ap); |
849
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
176 | int ret = vsnprintf(buf, *len, fmt, ap); |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
177 | *str = buf; |
849
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
178 | if ((unsigned) ret >= *len) { |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
179 | unsigned newlen = ret + 1; |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
180 | char *ptr = cxMalloc(alloc, newlen); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
181 | if (ptr) { |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
182 | int newret = vsnprintf(ptr, newlen, fmt, ap2); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
183 | if (newret < 0) { |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
184 | cxFree(alloc, ptr); |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
185 | } else { |
849
edb9f875b7f9
improves interface of cx_sprintf() variants
Mike Becker <universe@uap-core.de>
parents:
813
diff
changeset
|
186 | *len = newlen; |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
187 | *str = ptr; |
813
aba6d37b78bd
improve program flow - relates to #353
Mike Becker <universe@uap-core.de>
parents:
812
diff
changeset
|
188 | ret = newret; |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
189 | } |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
190 | } |
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
191 | } |
813
aba6d37b78bd
improve program flow - relates to #353
Mike Becker <universe@uap-core.de>
parents:
812
diff
changeset
|
192 | va_end(ap2); |
aba6d37b78bd
improve program flow - relates to #353
Mike Becker <universe@uap-core.de>
parents:
812
diff
changeset
|
193 | return ret; |
810
85859399a0cc
add cx_sprintf() variants - fixes #353
Mike Becker <universe@uap-core.de>
parents:
805
diff
changeset
|
194 | } |