src/string.c

Sat, 28 Oct 2017 15:59:16 +0200

author
Mike Becker <universe@uap-core.de>
date
Sat, 28 Oct 2017 15:59:16 +0200
changeset 260
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parent 259
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child 270
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permissions
-rw-r--r--

rename LICENSE to COPYING to be distributed by autoconf

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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2f5dea574a75 modules documentation
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4 * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "ucx/string.h"
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30
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31 #include "ucx/allocator.h"
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32
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33 #include <stdlib.h>
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34 #include <string.h>
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35 #include <stdarg.h>
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36 #include <stdint.h>
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37 #include <ctype.h>
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38
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39 sstr_t sstr(char *cstring) {
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40 sstr_t string;
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41 string.ptr = cstring;
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42 string.length = strlen(cstring);
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43 return string;
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44 }
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45
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46 sstr_t sstrn(char *cstring, size_t length) {
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47 sstr_t string;
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48 string.ptr = cstring;
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49 string.length = length;
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50 return string;
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51 }
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52
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53 size_t sstrnlen(size_t n, sstr_t s, ...) {
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54 va_list ap;
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55 size_t size = s.length;
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56 va_start(ap, s);
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57
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58 for (size_t i = 1 ; i < n ; i++) {
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59 sstr_t str = va_arg(ap, sstr_t);
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60 size += str.length;
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61 }
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62 va_end(ap);
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63
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64 return size;
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65 }
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66
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67 static sstr_t sstrvcat_a(
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68 UcxAllocator *a,
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69 size_t count,
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70 sstr_t s1,
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71 sstr_t s2,
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72 va_list ap) {
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73 sstr_t str;
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74 str.ptr = NULL;
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75 str.length = 0;
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76 if(count < 2) {
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77 return str;
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78 }
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79
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80 sstr_t *strings = (sstr_t*) calloc(count, sizeof(sstr_t));
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81 if(!strings) {
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82 return str;
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83 }
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84
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85 // get all args and overall length
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86 strings[0] = s1;
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87 strings[1] = s2;
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88 size_t strlen = s1.length + s2.length;
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89 for (size_t i=2;i<count;i++) {
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90 sstr_t s = va_arg (ap, sstr_t);
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91 strings[i] = s;
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92 strlen += s.length;
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93 }
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94
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95 // create new string
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96 str.ptr = (char*) almalloc(a, strlen + 1);
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97 str.length = strlen;
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98 if(!str.ptr) {
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99 free(strings);
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100 str.length = 0;
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101 return str;
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102 }
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103
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104 // concatenate strings
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105 size_t pos = 0;
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106 for (size_t i=0;i<count;i++) {
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107 sstr_t s = strings[i];
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108 memcpy(str.ptr + pos, s.ptr, s.length);
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109 pos += s.length;
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110 }
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111
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112 str.ptr[str.length] = '\0';
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113
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114 free(strings);
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115
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116 return str;
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117 }
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118
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119 sstr_t sstrcat(size_t count, sstr_t s1, sstr_t s2, ...) {
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120 va_list ap;
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121 va_start(ap, s2);
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122 sstr_t s = sstrvcat_a(ucx_default_allocator(), count, s1, s2, ap);
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123 va_end(ap);
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124 return s;
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125 }
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126
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127 sstr_t sstrcat_a(UcxAllocator *a, size_t count, sstr_t s1, sstr_t s2, ...) {
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128 va_list ap;
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129 va_start(ap, s2);
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130 sstr_t s = sstrvcat_a(a, count, s1, s2, ap);
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131 va_end(ap);
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132 return s;
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133 }
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134
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135 sstr_t sstrsubs(sstr_t s, size_t start) {
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136 return sstrsubsl (s, start, s.length-start);
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137 }
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138
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139 sstr_t sstrsubsl(sstr_t s, size_t start, size_t length) {
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140 sstr_t new_sstr;
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141 if (start >= s.length) {
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142 new_sstr.ptr = NULL;
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143 new_sstr.length = 0;
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144 } else {
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145 if (length > s.length-start) {
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146 length = s.length-start;
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147 }
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148 new_sstr.ptr = &s.ptr[start];
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149 new_sstr.length = length;
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150 }
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151 return new_sstr;
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152 }
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153
108
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154 sstr_t sstrchr(sstr_t s, int c) {
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diff changeset
155 for(size_t i=0;i<s.length;i++) {
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diff changeset
156 if(s.ptr[i] == c) {
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diff changeset
157 return sstrsubs(s, i);
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158 }
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diff changeset
159 }
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diff changeset
160 sstr_t n;
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diff changeset
161 n.ptr = NULL;
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162 n.length = 0;
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diff changeset
163 return n;
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diff changeset
164 }
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diff changeset
165
148
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166 sstr_t sstrrchr(sstr_t s, int c) {
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167 if (s.length > 0) {
152
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diff changeset
168 for(size_t i=s.length;i>0;i--) {
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169 if(s.ptr[i-1] == c) {
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170 return sstrsubs(s, i-1);
148
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171 }
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172 }
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173 }
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174 sstr_t n;
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175 n.ptr = NULL;
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176 n.length = 0;
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177 return n;
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178 }
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179
237
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180 #define ptable_r(dest, useheap, ptable, index) (dest = useheap ? \
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181 ((size_t*)ptable)[index] : (size_t) ((uint8_t*)ptable)[index])
236
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182
237
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183 #define ptable_w(useheap, ptable, index, src) do {\
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184 if (!useheap) ((uint8_t*)ptable)[index] = (uint8_t) src;\
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185 else ((size_t*)ptable)[index] = src;\
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186 } while (0);
236
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187
214
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188 sstr_t sstrstr(sstr_t string, sstr_t match) {
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189 if (match.length == 0) {
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190 return string;
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191 }
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192
236
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193 /* prepare default return value in case of no match */
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194 sstr_t result = sstrn(NULL, 0);
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195
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196 /*
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197 * IMPORTANT:
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198 * our prefix table contains the prefix length PLUS ONE
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199 * this is our decision, because we want to use the full range of size_t
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200 * the original algorithm needs a (-1) at one single place
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201 * and we want to avoid that
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202 */
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203
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204 /* static prefix table */
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205 static uint8_t s_prefix_table[256];
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206
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207 /* check pattern length and use appropriate prefix table */
237
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208 /* if the pattern exceeds static prefix table, allocate on the heap */
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209 register int useheap = match.length > 255;
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210 register void* ptable = useheap ?
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211 calloc(match.length+1, sizeof(size_t)): s_prefix_table;
236
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212
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213 /* keep counter in registers */
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214 register size_t i, j;
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215
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216 /* fill prefix table */
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217 i = 0; j = 0;
237
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diff changeset
218 ptable_w(useheap, ptable, i, j);
236
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diff changeset
219 while (i < match.length) {
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diff changeset
220 while (j >= 1 && match.ptr[j-1] != match.ptr[i]) {
238
27b31c2c959c fixes major bug in construction of KMP prefix table for strstr()
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parents: 237
diff changeset
221 ptable_r(j, useheap, ptable, j-1);
236
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diff changeset
222 }
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diff changeset
223 i++; j++;
237
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diff changeset
224 ptable_w(useheap, ptable, i, j);
236
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diff changeset
225 }
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diff changeset
226
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227 /* search */
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diff changeset
228 i = 0; j = 1;
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diff changeset
229 while (i < string.length) {
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diff changeset
230 while (j >= 1 && string.ptr[i] != match.ptr[j-1]) {
237
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parents: 236
diff changeset
231 ptable_r(j, useheap, ptable, j-1);
236
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parents: 235
diff changeset
232 }
ffc6d0910342 improves sstrstr function by using KMP string search algorithm
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parents: 235
diff changeset
233 i++; j++;
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parents: 235
diff changeset
234 if (j-1 == match.length) {
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parents: 235
diff changeset
235 size_t start = i - match.length;
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parents: 235
diff changeset
236 result.ptr = string.ptr + start;
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parents: 235
diff changeset
237 result.length = string.length - start;
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parents: 235
diff changeset
238 break;
214
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parents: 213
diff changeset
239 }
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parents: 213
diff changeset
240 }
236
ffc6d0910342 improves sstrstr function by using KMP string search algorithm
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parents: 235
diff changeset
241
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parents: 235
diff changeset
242 /* if prefix table was allocated on the heap, free it */
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parents: 235
diff changeset
243 if (ptable != s_prefix_table) {
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parents: 235
diff changeset
244 free(ptable);
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parents: 235
diff changeset
245 }
214
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parents: 213
diff changeset
246
236
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parents: 235
diff changeset
247 return result;
214
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parents: 213
diff changeset
248 }
2bc19726c340 added sstrstr() function + improved sstrsplit variants by using sstrprefix()
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parents: 213
diff changeset
249
237
5ba9de6361ff further performance tweaks to sstrstr() function
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diff changeset
250 #undef ptable_r
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diff changeset
251 #undef ptable_w
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diff changeset
252
173
31a8682fffb7 fixed some sstring issues + added allocator macros
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parents: 152
diff changeset
253 sstr_t* sstrsplit(sstr_t s, sstr_t d, ssize_t *n) {
125
fca8efb122de changed suffix for allocator aware functions + added allocator aware functions for UcxList
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parents: 123
diff changeset
254 return sstrsplit_a(ucx_default_allocator(), s, d, n);
119
baa839a7633f completed documentation on sstr_t + sstrsplit overhaul + allocator version of sstrsplit
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parents: 116
diff changeset
255 }
baa839a7633f completed documentation on sstr_t + sstrsplit overhaul + allocator version of sstrsplit
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parents: 116
diff changeset
256
173
31a8682fffb7 fixed some sstring issues + added allocator macros
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parents: 152
diff changeset
257 sstr_t* sstrsplit_a(UcxAllocator *allocator, sstr_t s, sstr_t d, ssize_t *n) {
119
baa839a7633f completed documentation on sstr_t + sstrsplit overhaul + allocator version of sstrsplit
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parents: 116
diff changeset
258 if (s.length == 0 || d.length == 0) {
baa839a7633f completed documentation on sstr_t + sstrsplit overhaul + allocator version of sstrsplit
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parents: 116
diff changeset
259 *n = -1;
39
bf8ab7bb74ff added sstrsplit function
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parents: 31
diff changeset
260 return NULL;
bf8ab7bb74ff added sstrsplit function
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parents: 31
diff changeset
261 }
231
35490eb48214 improves handling of special cases delimiter size >= string size in sstrsplit
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parents: 225
diff changeset
262
35490eb48214 improves handling of special cases delimiter size >= string size in sstrsplit
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parents: 225
diff changeset
263 /* special cases: delimiter is at least as large as the string */
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parents: 225
diff changeset
264 if (d.length >= s.length) {
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parents: 225
diff changeset
265 /* exact match */
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parents: 225
diff changeset
266 if (sstrcmp(s, d) == 0) {
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parents: 225
diff changeset
267 *n = 0;
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diff changeset
268 return NULL;
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parents: 225
diff changeset
269 } else /* no match possible */ {
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parents: 225
diff changeset
270 *n = 1;
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parents: 225
diff changeset
271 sstr_t *result = (sstr_t*) almalloc(allocator, sizeof(sstr_t));
233
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parents: 231
diff changeset
272 *result = sstrdup_a(allocator, s);
231
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diff changeset
273 return result;
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parents: 225
diff changeset
274 }
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parents: 225
diff changeset
275 }
35490eb48214 improves handling of special cases delimiter size >= string size in sstrsplit
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parents: 225
diff changeset
276
173
31a8682fffb7 fixed some sstring issues + added allocator macros
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parents: 152
diff changeset
277 ssize_t nmax = *n;
235
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
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parents: 234
diff changeset
278 size_t arrlen = 16;
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parents: 234
diff changeset
279 sstr_t* result = (sstr_t*) almalloc(allocator, arrlen*sizeof(sstr_t));
39
bf8ab7bb74ff added sstrsplit function
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parents: 31
diff changeset
280
119
baa839a7633f completed documentation on sstr_t + sstrsplit overhaul + allocator version of sstrsplit
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parents: 116
diff changeset
281 if (result) {
233
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parents: 231
diff changeset
282 sstr_t curpos = s;
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
283 ssize_t j = 1;
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
284 while (1) {
234
7a63b4986b5b adds an optimization for one-byte delimiters to sstrsplit (will take effect after planned reimplementation of sstrstr)
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parents: 233
diff changeset
285 sstr_t match;
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parents: 233
diff changeset
286 /* optimize for one byte delimiters */
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parents: 233
diff changeset
287 if (d.length == 1) {
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parents: 233
diff changeset
288 match = curpos;
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parents: 233
diff changeset
289 for (size_t i = 0 ; i < curpos.length ; i++) {
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parents: 233
diff changeset
290 if (curpos.ptr[i] == *(d.ptr)) {
7a63b4986b5b adds an optimization for one-byte delimiters to sstrsplit (will take effect after planned reimplementation of sstrstr)
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parents: 233
diff changeset
291 match.ptr = curpos.ptr + i;
7a63b4986b5b adds an optimization for one-byte delimiters to sstrsplit (will take effect after planned reimplementation of sstrstr)
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parents: 233
diff changeset
292 break;
7a63b4986b5b adds an optimization for one-byte delimiters to sstrsplit (will take effect after planned reimplementation of sstrstr)
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parents: 233
diff changeset
293 }
7a63b4986b5b adds an optimization for one-byte delimiters to sstrsplit (will take effect after planned reimplementation of sstrstr)
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parents: 233
diff changeset
294 match.length--;
7a63b4986b5b adds an optimization for one-byte delimiters to sstrsplit (will take effect after planned reimplementation of sstrstr)
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parents: 233
diff changeset
295 }
7a63b4986b5b adds an optimization for one-byte delimiters to sstrsplit (will take effect after planned reimplementation of sstrstr)
Mike Becker <universe@uap-core.de>
parents: 233
diff changeset
296 } else {
7a63b4986b5b adds an optimization for one-byte delimiters to sstrsplit (will take effect after planned reimplementation of sstrstr)
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parents: 233
diff changeset
297 match = sstrstr(curpos, d);
7a63b4986b5b adds an optimization for one-byte delimiters to sstrsplit (will take effect after planned reimplementation of sstrstr)
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parents: 233
diff changeset
298 }
233
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
299 if (match.length > 0) {
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
300 /* is this our last try? */
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
301 if (nmax == 0 || j < nmax) {
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
302 /* copy the current string to the array */
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
303 sstr_t item = sstrn(curpos.ptr, match.ptr - curpos.ptr);
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
304 result[j-1] = sstrdup_a(allocator, item);
bd58fdde142d reimplementation of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 231
diff changeset
305 size_t processed = item.length + d.length;
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
306 curpos.ptr += processed;
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
307 curpos.length -= processed;
39
bf8ab7bb74ff added sstrsplit function
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parents: 31
diff changeset
308
233
bd58fdde142d reimplementation of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 231
diff changeset
309 /* allocate memory for the next string */
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
310 j++;
235
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
Mike Becker <universe@uap-core.de>
parents: 234
diff changeset
311 if (j > arrlen) {
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
Mike Becker <universe@uap-core.de>
parents: 234
diff changeset
312 arrlen *= 2;
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
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parents: 234
diff changeset
313 sstr_t* reallocated = (sstr_t*) alrealloc(
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
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parents: 234
diff changeset
314 allocator, result, arrlen*sizeof(sstr_t));
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
Mike Becker <universe@uap-core.de>
parents: 234
diff changeset
315 if (reallocated) {
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
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parents: 234
diff changeset
316 result = reallocated;
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
Mike Becker <universe@uap-core.de>
parents: 234
diff changeset
317 } else {
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
Mike Becker <universe@uap-core.de>
parents: 234
diff changeset
318 for (ssize_t i = 0 ; i < j-1 ; i++) {
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
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parents: 234
diff changeset
319 alfree(allocator, result[i].ptr);
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
Mike Becker <universe@uap-core.de>
parents: 234
diff changeset
320 }
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
Mike Becker <universe@uap-core.de>
parents: 234
diff changeset
321 alfree(allocator, result);
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
Mike Becker <universe@uap-core.de>
parents: 234
diff changeset
322 *n = -2;
7cf1e41833a2 reduces amount of realloc calls in sstrsplit
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parents: 234
diff changeset
323 return NULL;
233
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
324 }
bd58fdde142d reimplementation of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 231
diff changeset
325 }
bd58fdde142d reimplementation of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 231
diff changeset
326 } else {
bd58fdde142d reimplementation of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 231
diff changeset
327 /* nmax reached, copy the _full_ remaining string */
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
328 result[j-1] = sstrdup_a(allocator, curpos);
bd58fdde142d reimplementation of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 231
diff changeset
329 break;
bd58fdde142d reimplementation of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 231
diff changeset
330 }
173
31a8682fffb7 fixed some sstring issues + added allocator macros
Mike Becker <universe@uap-core.de>
parents: 152
diff changeset
331 } else {
233
bd58fdde142d reimplementation of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 231
diff changeset
332 /* no more matches, copy last string */
bd58fdde142d reimplementation of sstrsplit
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parents: 231
diff changeset
333 result[j-1] = sstrdup_a(allocator, curpos);
173
31a8682fffb7 fixed some sstring issues + added allocator macros
Mike Becker <universe@uap-core.de>
parents: 152
diff changeset
334 break;
31a8682fffb7 fixed some sstring issues + added allocator macros
Mike Becker <universe@uap-core.de>
parents: 152
diff changeset
335 }
119
baa839a7633f completed documentation on sstr_t + sstrsplit overhaul + allocator version of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 116
diff changeset
336 }
233
bd58fdde142d reimplementation of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 231
diff changeset
337 *n = j;
119
baa839a7633f completed documentation on sstr_t + sstrsplit overhaul + allocator version of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 116
diff changeset
338 } else {
baa839a7633f completed documentation on sstr_t + sstrsplit overhaul + allocator version of sstrsplit
Mike Becker <universe@uap-core.de>
parents: 116
diff changeset
339 *n = -2;
39
bf8ab7bb74ff added sstrsplit function
Mike Becker <universe@uap-core.de>
parents: 31
diff changeset
340 }
bf8ab7bb74ff added sstrsplit function
Mike Becker <universe@uap-core.de>
parents: 31
diff changeset
341
bf8ab7bb74ff added sstrsplit function
Mike Becker <universe@uap-core.de>
parents: 31
diff changeset
342 return result;
bf8ab7bb74ff added sstrsplit function
Mike Becker <universe@uap-core.de>
parents: 31
diff changeset
343 }
bf8ab7bb74ff added sstrsplit function
Mike Becker <universe@uap-core.de>
parents: 31
diff changeset
344
68
88dbea299440 removed const from string.*
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 67
diff changeset
345 int sstrcmp(sstr_t s1, sstr_t s2) {
116
234920008754 some fixes and some documentation
Mike Becker <universe@uap-core.de>
parents: 109
diff changeset
346 if (s1.length == s2.length) {
234920008754 some fixes and some documentation
Mike Becker <universe@uap-core.de>
parents: 109
diff changeset
347 return memcmp(s1.ptr, s2.ptr, s1.length);
234920008754 some fixes and some documentation
Mike Becker <universe@uap-core.de>
parents: 109
diff changeset
348 } else if (s1.length > s2.length) {
234920008754 some fixes and some documentation
Mike Becker <universe@uap-core.de>
parents: 109
diff changeset
349 return 1;
234920008754 some fixes and some documentation
Mike Becker <universe@uap-core.de>
parents: 109
diff changeset
350 } else {
234920008754 some fixes and some documentation
Mike Becker <universe@uap-core.de>
parents: 109
diff changeset
351 return -1;
234920008754 some fixes and some documentation
Mike Becker <universe@uap-core.de>
parents: 109
diff changeset
352 }
20
db7d9860dbbd added some map functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
353 }
db7d9860dbbd added some map functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
354
149
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
355 int sstrcasecmp(sstr_t s1, sstr_t s2) {
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
356 if (s1.length == s2.length) {
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
357 #ifdef _WIN32
3bf87676d42d added sstrcasecmp
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parents: 148
diff changeset
358 return _strnicmp(s1.ptr, s2.ptr, s1.length);
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
359 #else
3bf87676d42d added sstrcasecmp
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parents: 148
diff changeset
360 return strncasecmp(s1.ptr, s2.ptr, s1.length);
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
361 #endif
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
362 } else if (s1.length > s2.length) {
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
363 return 1;
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
364 } else {
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
365 return -1;
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
366 }
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
367 }
3bf87676d42d added sstrcasecmp
Mike Becker <universe@uap-core.de>
parents: 148
diff changeset
368
68
88dbea299440 removed const from string.*
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 67
diff changeset
369 sstr_t sstrdup(sstr_t s) {
125
fca8efb122de changed suffix for allocator aware functions + added allocator aware functions for UcxList
Mike Becker <universe@uap-core.de>
parents: 123
diff changeset
370 return sstrdup_a(ucx_default_allocator(), s);
109
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
371 }
20
db7d9860dbbd added some map functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
372
125
fca8efb122de changed suffix for allocator aware functions + added allocator aware functions for UcxList
Mike Becker <universe@uap-core.de>
parents: 123
diff changeset
373 sstr_t sstrdup_a(UcxAllocator *allocator, sstr_t s) {
109
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
374 sstr_t newstring;
173
31a8682fffb7 fixed some sstring issues + added allocator macros
Mike Becker <universe@uap-core.de>
parents: 152
diff changeset
375 newstring.ptr = (char*)almalloc(allocator, s.length + 1);
109
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
376 if (newstring.ptr) {
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
377 newstring.length = s.length;
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
378 newstring.ptr[newstring.length] = 0;
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
379
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
380 memcpy(newstring.ptr, s.ptr, s.length);
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
381 } else {
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
382 newstring.length = 0;
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
383 }
75cb6590358b added properties load/store functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 108
diff changeset
384
20
db7d9860dbbd added some map functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
385 return newstring;
db7d9860dbbd added some map functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
386 }
96
fbbff331beba added sstrtrim
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 95
diff changeset
387
fbbff331beba added sstrtrim
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 95
diff changeset
388 sstr_t sstrtrim(sstr_t string) {
fbbff331beba added sstrtrim
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 95
diff changeset
389 sstr_t newstr = string;
98
0a752853f792 fixed sstrtrim for empty strings
Mike Becker <universe@uap-core.de>
parents: 97
diff changeset
390
189
f43bbd33fec0 sstrtrim now uses isspace()
Mike Becker <universe@uap-core.de>
parents: 185
diff changeset
391 while (newstr.length > 0 && isspace(*newstr.ptr)) {
f43bbd33fec0 sstrtrim now uses isspace()
Mike Becker <universe@uap-core.de>
parents: 185
diff changeset
392 newstr.ptr++;
f43bbd33fec0 sstrtrim now uses isspace()
Mike Becker <universe@uap-core.de>
parents: 185
diff changeset
393 newstr.length--;
96
fbbff331beba added sstrtrim
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 95
diff changeset
394 }
189
f43bbd33fec0 sstrtrim now uses isspace()
Mike Becker <universe@uap-core.de>
parents: 185
diff changeset
395 while (newstr.length > 0 && isspace(newstr.ptr[newstr.length-1])) {
f43bbd33fec0 sstrtrim now uses isspace()
Mike Becker <universe@uap-core.de>
parents: 185
diff changeset
396 newstr.length--;
104
9d3dea320d8e fixed sstrtrim and some warnings
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
397 }
9d3dea320d8e fixed sstrtrim and some warnings
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
398
96
fbbff331beba added sstrtrim
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 95
diff changeset
399 return newstr;
fbbff331beba added sstrtrim
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 95
diff changeset
400 }
146
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
401
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
402 int sstrprefix(sstr_t string, sstr_t prefix) {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
403 if (string.length == 0) {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
404 return prefix.length == 0;
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
405 }
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
406 if (prefix.length == 0) {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
407 return 1;
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
408 }
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
409
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
410 if (prefix.length > string.length) {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
411 return 0;
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
412 } else {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
413 return memcmp(string.ptr, prefix.ptr, prefix.length) == 0;
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
414 }
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
415 }
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
416
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
417 int sstrsuffix(sstr_t string, sstr_t suffix) {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
418 if (string.length == 0) {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
419 return suffix.length == 0;
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
420 }
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
421 if (suffix.length == 0) {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
422 return 1;
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
423 }
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
424
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
425 if (suffix.length > string.length) {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
426 return 0;
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
427 } else {
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
428 return memcmp(string.ptr+string.length-suffix.length,
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
429 suffix.ptr, suffix.length) == 0;
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
430 }
aa376dba1ba8 fixed documentation for netbeans parser + added sstrprefix() and sstrsuffix()
Mike Becker <universe@uap-core.de>
parents: 125
diff changeset
431 }
210
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
432
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
433 sstr_t sstrlower(sstr_t string) {
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
434 sstr_t ret = sstrdup(string);
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
435 for (size_t i = 0; i < ret.length ; i++) {
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
436 ret.ptr[i] = tolower(ret.ptr[i]);
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
437 }
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
438 return ret;
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
439 }
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
440
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
441 sstr_t sstrlower_a(UcxAllocator *allocator, sstr_t string) {
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
442 sstr_t ret = sstrdup_a(allocator, string);
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
443 for (size_t i = 0; i < ret.length ; i++) {
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
444 ret.ptr[i] = tolower(ret.ptr[i]);
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
445 }
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
446 return ret;
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
447 }
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
448
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
449 sstr_t sstrupper(sstr_t string) {
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
450 sstr_t ret = sstrdup(string);
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
451 for (size_t i = 0; i < ret.length ; i++) {
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
452 ret.ptr[i] = toupper(ret.ptr[i]);
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
453 }
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
454 return ret;
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
455 }
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
456
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
457 sstr_t sstrupper_a(UcxAllocator *allocator, sstr_t string) {
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
458 sstr_t ret = sstrdup_a(allocator, string);
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
459 for (size_t i = 0; i < ret.length ; i++) {
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
460 ret.ptr[i] = toupper(ret.ptr[i]);
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
461 }
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
462 return ret;
6bdb04d87236 added sstrlower / sstrupper variants
Mike Becker <universe@uap-core.de>
parents: 192
diff changeset
463 }

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