Coverage Report

Created: 2025-08-26 06:58

/src/pjsip/pjlib/include/pj/string_i.h
Line
Count
Source (jump to first uncovered line)
1
/* 
2
 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
3
 * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
4
 *
5
 * This program is free software; you can redistribute it and/or modify
6
 * it under the terms of the GNU General Public License as published by
7
 * the Free Software Foundation; either version 2 of the License, or
8
 * (at your option) any later version.
9
 *
10
 * This program is distributed in the hope that it will be useful,
11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
 * GNU General Public License for more details.
14
 *
15
 * You should have received a copy of the GNU General Public License
16
 * along with this program; if not, write to the Free Software
17
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
18
 */
19
20
#include <pj/assert.h>
21
#include <pj/pool.h>
22
23
PJ_IDEF(pj_str_t) pj_str(char *str)
24
39.3k
{
25
39.3k
    pj_str_t dst;
26
39.3k
    dst.ptr = str;
27
39.3k
    dst.slen = str ? pj_ansi_strlen(str) : 0;
28
39.3k
    return dst;
29
39.3k
}
30
31
PJ_IDEF(pj_str_t*) pj_strdup(pj_pool_t *pool,
32
                              pj_str_t *dst,
33
                              const pj_str_t *src)
34
13.0k
{
35
13.0k
    pj_assert(src->slen >= 0);
36
37
    /* Without this, destination will be corrupted */
38
13.0k
    if (dst == src)
39
0
        return dst;
40
41
13.0k
    if (src->slen > 0) {
42
8.79k
        dst->ptr = (char*)pj_pool_alloc(pool, src->slen);
43
8.79k
        pj_memcpy(dst->ptr, src->ptr, src->slen);
44
8.79k
    }
45
13.0k
    dst->slen = (src->slen < 0)? 0: src->slen;
46
13.0k
    return dst;
47
13.0k
}
48
49
PJ_IDEF(pj_str_t*) pj_strdup_with_null( pj_pool_t *pool,
50
                                        pj_str_t *dst,
51
                                        const pj_str_t *src)
52
5.00k
{
53
5.00k
    pj_ssize_t src_slen = src->slen;
54
55
5.00k
    pj_assert(src->slen >= 0);
56
57
    /* Check if the source's length is invalid */
58
5.00k
    if (src_slen < 0)
59
0
        src_slen = 0;
60
61
5.00k
    dst->ptr = (char*)pj_pool_alloc(pool, src_slen+1);
62
5.00k
    if (src_slen) {
63
5.00k
        pj_memcpy(dst->ptr, src->ptr, src_slen);
64
5.00k
    }
65
5.00k
    dst->slen = src_slen;
66
5.00k
    dst->ptr[dst->slen] = '\0';
67
5.00k
    return dst;
68
5.00k
}
69
70
PJ_IDEF(pj_str_t*) pj_strdup2(pj_pool_t *pool,
71
                              pj_str_t *dst,
72
                              const char *src)
73
0
{
74
0
    dst->slen = src ? pj_ansi_strlen(src) : 0;
75
0
    if (dst->slen) {
76
0
        dst->ptr = (char*)pj_pool_alloc(pool, dst->slen);
77
0
        pj_memcpy(dst->ptr, src, dst->slen);
78
0
    } else {
79
0
        dst->ptr = NULL;
80
0
    }
81
0
    return dst;
82
0
}
83
84
PJ_IDEF(pj_str_t*) pj_strdup2_with_null( pj_pool_t *pool,
85
                                         pj_str_t *dst,
86
                                         const char *src)
87
0
{
88
0
    dst->slen = src ? pj_ansi_strlen(src) : 0;
89
0
    dst->ptr = (char*)pj_pool_alloc(pool, dst->slen+1);
90
0
    if (dst->slen) {
91
0
        pj_memcpy(dst->ptr, src, dst->slen);
92
0
    }
93
0
    dst->ptr[dst->slen] = '\0';
94
0
    return dst;
95
0
}
96
97
PJ_IDEF(pj_str_t) pj_strdup3(pj_pool_t *pool, const char *src)
98
0
{
99
0
    pj_str_t temp;
100
0
    pj_strdup2(pool, &temp, src);
101
0
    return temp;
102
0
}
103
104
PJ_IDEF(pj_str_t*) pj_strassign( pj_str_t *dst, pj_str_t *src )
105
4.10k
{
106
4.10k
    dst->ptr = src->ptr;
107
4.10k
    dst->slen = src->slen;
108
4.10k
    return dst;
109
4.10k
}
110
111
PJ_IDEF(pj_str_t*) pj_strcpy(pj_str_t *dst, const pj_str_t *src)
112
468
{
113
468
    pj_assert(src->slen >= 0);
114
115
468
    dst->slen = (src->slen < 0)? 0: src->slen;
116
468
    if (src->slen > 0)
117
468
        pj_memcpy(dst->ptr, src->ptr, src->slen);
118
468
    return dst;
119
468
}
120
121
PJ_IDEF(pj_str_t*) pj_strcpy2(pj_str_t *dst, const char *src)
122
0
{
123
0
    dst->slen = src ? pj_ansi_strlen(src) : 0;
124
0
    if (dst->slen > 0)
125
0
        pj_memcpy(dst->ptr, src, dst->slen);
126
0
    return dst;
127
0
}
128
129
PJ_IDEF(pj_str_t*) pj_strncpy( pj_str_t *dst, const pj_str_t *src, 
130
                               pj_ssize_t max)
131
0
{
132
0
    pj_assert(src->slen >= 0);
133
0
    pj_assert(max >= 0);
134
135
0
    if (max > src->slen) max = src->slen;
136
0
    if (max > 0)
137
0
        pj_memcpy(dst->ptr, src->ptr, max);
138
0
    dst->slen = (max < 0)? 0: max;
139
0
    return dst;
140
0
}
141
142
PJ_IDEF(pj_str_t*) pj_strncpy_with_null( pj_str_t *dst, const pj_str_t *src,
143
                                         pj_ssize_t max)
144
0
{
145
0
    pj_assert(src->slen >= 0);
146
0
    pj_assert(max > 0);
147
148
0
    if (max <= src->slen)
149
0
        max = (max > 0)? max-1: 0;
150
0
    else
151
0
        max = (src->slen < 0)? 0: src->slen;
152
153
0
    if (max > 0)
154
0
        pj_memcpy(dst->ptr, src->ptr, max);
155
0
    dst->ptr[max] = '\0';
156
0
    dst->slen = max;
157
0
    return dst;
158
0
}
159
160
161
PJ_IDEF(int) pj_strcmp( const pj_str_t *str1, const pj_str_t *str2)
162
27.6k
{
163
27.6k
    pj_assert(str1->slen >= 0);
164
27.6k
    pj_assert(str2->slen >= 0);
165
166
27.6k
    if (str1->slen <= 0) {
167
35
        return str2->slen<=0 ? 0 : -1;
168
27.6k
    } else if (str2->slen <= 0) {
169
0
        return 1;
170
27.6k
    } else {
171
27.6k
        pj_size_t min = (str1->slen < str2->slen)? str1->slen : str2->slen;
172
27.6k
        int res = pj_memcmp(str1->ptr, str2->ptr, min);
173
27.6k
        if (res == 0) {
174
9.51k
            return (str1->slen < str2->slen) ? -1 :
175
9.51k
                    (str1->slen == str2->slen ? 0 : 1);
176
18.1k
        } else {
177
18.1k
            return res;
178
18.1k
        }
179
27.6k
    }
180
27.6k
}
181
182
PJ_IDEF(int) pj_strncmp( const pj_str_t *str1, const pj_str_t *str2, 
183
                         pj_size_t len)
184
0
{
185
0
    pj_str_t copy1, copy2;
186
187
0
    pj_assert(str1->slen >= 0);
188
0
    pj_assert(str2->slen >= 0);
189
190
0
    if (len < (unsigned)str1->slen && str1->slen > 0) {
191
0
        copy1.ptr = str1->ptr;
192
0
        copy1.slen = len;
193
0
        str1 = &copy1;
194
0
    }
195
196
0
    if (len < (unsigned)str2->slen && str2->slen > 0) {
197
0
        copy2.ptr = str2->ptr;
198
0
        copy2.slen = len;
199
0
        str2 = &copy2;
200
0
    }
201
202
0
    return pj_strcmp(str1, str2);
203
0
}
204
205
PJ_IDEF(int) pj_strncmp2( const pj_str_t *str1, const char *str2, 
206
                          pj_size_t len)
207
0
{
208
0
    pj_str_t copy2;
209
210
0
    if (str2) {
211
0
        copy2.ptr = (char*)str2;
212
0
        copy2.slen = pj_ansi_strlen(str2);
213
0
    } else {
214
0
        copy2.slen = 0;
215
0
    }
216
217
0
    return pj_strncmp(str1, &copy2, len);
218
0
}
219
220
PJ_IDEF(int) pj_strcmp2( const pj_str_t *str1, const char *str2 )
221
3.33k
{
222
3.33k
    pj_str_t copy2;
223
224
3.33k
    if (str2) {
225
3.33k
        copy2.ptr = (char*)str2;
226
3.33k
        copy2.slen = pj_ansi_strlen(str2);
227
3.33k
    } else {
228
0
        copy2.ptr = NULL;
229
0
        copy2.slen = 0;
230
0
    }
231
232
3.33k
    return pj_strcmp(str1, &copy2);
233
3.33k
}
234
235
PJ_IDEF(int) pj_stricmp( const pj_str_t *str1, const pj_str_t *str2)
236
142k
{
237
142k
    pj_assert(str1->slen >= 0);
238
142k
    pj_assert(str2->slen >= 0);
239
240
142k
    if (str1->slen <= 0) {
241
6.65k
        return str2->slen<=0 ? 0 : -1;
242
136k
    } else if (str2->slen <= 0) {
243
2
        return 1;
244
136k
    } else {
245
136k
        pj_size_t min = (str1->slen < str2->slen)? str1->slen : str2->slen;
246
136k
        int res = pj_ansi_strnicmp(str1->ptr, str2->ptr, min);
247
136k
        if (res == 0) {
248
55.2k
            return (str1->slen < str2->slen) ? -1 :
249
55.2k
                    (str1->slen == str2->slen ? 0 : 1);
250
80.9k
        } else {
251
80.9k
            return res;
252
80.9k
        }
253
136k
    }
254
142k
}
255
256
#if defined(PJ_HAS_STRICMP_ALNUM) && PJ_HAS_STRICMP_ALNUM!=0
257
PJ_IDEF(int) strnicmp_alnum( const char *str1, const char *str2,
258
                             int len)
259
{
260
    if (len==0)
261
        return 0;
262
    else {
263
        register const pj_uint32_t *p1 = (pj_uint32_t*)str1, 
264
                                   *p2 = (pj_uint32_t*)str2;
265
        while (len > 3 && (*p1 & 0x5F5F5F5F)==(*p2 & 0x5F5F5F5F))
266
            ++p1, ++p2, len-=4;
267
268
        if (len > 3)
269
            return -1;
270
#if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN!=0
271
        else if (len==3)
272
            return ((*p1 & 0x005F5F5F)==(*p2 & 0x005F5F5F)) ? 0 : -1;
273
        else if (len==2)
274
            return ((*p1 & 0x00005F5F)==(*p2 & 0x00005F5F)) ? 0 : -1;
275
        else if (len==1)
276
            return ((*p1 & 0x0000005F)==(*p2 & 0x0000005F)) ? 0 : -1;
277
#else
278
        else if (len==3)
279
            return ((*p1 & 0x5F5F5F00)==(*p2 & 0x5F5F5F00)) ? 0 : -1;
280
        else if (len==2)
281
            return ((*p1 & 0x5F5F0000)==(*p2 & 0x5F5F0000)) ? 0 : -1;
282
        else if (len==1)
283
            return ((*p1 & 0x5F000000)==(*p2 & 0x5F000000)) ? 0 : -1;
284
#endif
285
        else 
286
            return 0;
287
    }
288
}
289
290
PJ_IDEF(int) pj_stricmp_alnum(const pj_str_t *str1, const pj_str_t *str2)
291
{
292
    register int len = str1->slen;
293
294
    if (len != str2->slen) {
295
        return (len < str2->slen) ? -1 : 1;
296
    } else if (len == 0) {
297
        return 0;
298
    } else {
299
        register const pj_uint32_t *p1 = (pj_uint32_t*)str1->ptr, 
300
                                   *p2 = (pj_uint32_t*)str2->ptr;
301
        while (len > 3 && (*p1 & 0x5F5F5F5F)==(*p2 & 0x5F5F5F5F))
302
            ++p1, ++p2, len-=4;
303
304
        if (len > 3)
305
            return -1;
306
#if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN!=0
307
        else if (len==3)
308
            return ((*p1 & 0x005F5F5F)==(*p2 & 0x005F5F5F)) ? 0 : -1;
309
        else if (len==2)
310
            return ((*p1 & 0x00005F5F)==(*p2 & 0x00005F5F)) ? 0 : -1;
311
        else if (len==1)
312
            return ((*p1 & 0x0000005F)==(*p2 & 0x0000005F)) ? 0 : -1;
313
#else
314
        else if (len==3)
315
            return ((*p1 & 0x5F5F5F00)==(*p2 & 0x5F5F5F00)) ? 0 : -1;
316
        else if (len==2)
317
            return ((*p1 & 0x5F5F0000)==(*p2 & 0x5F5F0000)) ? 0 : -1;
318
        else if (len==1)
319
            return ((*p1 & 0x5F000000)==(*p2 & 0x5F000000)) ? 0 : -1;
320
#endif
321
        else 
322
            return 0;
323
    }
324
}
325
#endif  /* PJ_HAS_STRICMP_ALNUM */
326
327
PJ_IDEF(int) pj_stricmp2( const pj_str_t *str1, const char *str2)
328
7.92k
{
329
7.92k
    pj_str_t copy2;
330
331
7.92k
    if (str2) {
332
7.92k
        copy2.ptr = (char*)str2;
333
7.92k
        copy2.slen = pj_ansi_strlen(str2);
334
7.92k
    } else {
335
0
        copy2.ptr = NULL;
336
0
        copy2.slen = 0;
337
0
    }
338
339
7.92k
    return pj_stricmp(str1, &copy2);
340
7.92k
}
341
342
PJ_IDEF(int) pj_strnicmp( const pj_str_t *str1, const pj_str_t *str2, 
343
                          pj_size_t len)
344
0
{
345
0
    pj_str_t copy1, copy2;
346
347
0
    if (len < (unsigned)str1->slen && str1->slen > 0) {
348
0
        copy1.ptr = str1->ptr;
349
0
        copy1.slen = len;
350
0
        str1 = &copy1;
351
0
    }
352
353
0
    if (len < (unsigned)str2->slen && str2->slen > 0) {
354
0
        copy2.ptr = str2->ptr;
355
0
        copy2.slen = len;
356
0
        str2 = &copy2;
357
0
    }
358
359
0
    return pj_stricmp(str1, str2);
360
0
}
361
362
PJ_IDEF(int) pj_strnicmp2( const pj_str_t *str1, const char *str2, 
363
                           pj_size_t len)
364
0
{
365
0
    pj_str_t copy2;
366
367
0
    if (str2) {
368
0
        copy2.ptr = (char*)str2;
369
0
        copy2.slen = pj_ansi_strlen(str2);
370
0
    } else {
371
0
        copy2.slen = 0;
372
0
    }
373
374
0
    return pj_strnicmp(str1, &copy2, len);
375
0
}
376
377
PJ_IDEF(void) pj_strcat(pj_str_t *dst, const pj_str_t *src)
378
468
{
379
468
    pj_assert(src->slen >= 0);
380
468
    pj_assert(dst->slen >= 0);
381
382
468
    if (src->slen > 0 && dst->slen >= 0) {
383
468
        pj_memcpy(dst->ptr + dst->slen, src->ptr, src->slen);
384
468
        dst->slen += src->slen;
385
468
    }
386
468
}
387
388
PJ_IDEF(void) pj_strcat2(pj_str_t *dst, const char *str)
389
468
{
390
468
    pj_size_t len = str? pj_ansi_strlen(str) : 0;
391
392
468
    pj_assert(dst->slen >= 0);
393
394
468
    if (len && dst->slen >= 0) {
395
468
        pj_memcpy(dst->ptr + dst->slen, str, len);
396
468
        dst->slen += len;
397
468
    }
398
468
}
399
400
PJ_IDEF(pj_str_t*) pj_strtrim( pj_str_t *str )
401
431
{
402
431
    pj_strltrim(str);
403
431
    pj_strrtrim(str);
404
431
    return str;
405
431
}
406