/src/open5gs/lib/core/ogs-strings.c
Line | Count | Source (jump to first uncovered line) |
1 | | /** |
2 | | * |
3 | | * Orcania library |
4 | | * |
5 | | * Different functions for different purposes but that can be shared between |
6 | | * other projects |
7 | | * |
8 | | * orcania.c: main functions definitions |
9 | | * |
10 | | * Copyright 2015-2020 Nicolas Mora <mail@babelouest.org> |
11 | | * |
12 | | * This program is free software; you can redistribute it and/or |
13 | | * modify it under the terms of the GNU Lesser General Public License |
14 | | * as published by the Free Software Foundation; |
15 | | * version 2.1 of the License. |
16 | | * |
17 | | * This library is distributed in the hope that it will be useful, |
18 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
20 | | * GNU GENERAL PUBLIC LICENSE for more details. |
21 | | * |
22 | | * You should have received a copy of the GNU General Public |
23 | | * License along with this library. If not, see <http://www.gnu.org/licenses/>. |
24 | | * |
25 | | */ |
26 | | |
27 | | /* |
28 | | * Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com> |
29 | | * |
30 | | * This file is part of Open5GS. |
31 | | * |
32 | | * This program is free software: you can redistribute it and/or modify |
33 | | * it under the terms of the GNU Lesser General Public License as published by |
34 | | * the Free Software Foundation, either version 3 of the License, or |
35 | | * (at your option) any later version. |
36 | | * |
37 | | * This program is distributed in the hope that it will be useful, |
38 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
39 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
40 | | * GNU General Public License for more details. |
41 | | * |
42 | | * You should have received a copy of the GNU General Public License |
43 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
44 | | */ |
45 | | |
46 | | #include "core-config-private.h" |
47 | | |
48 | | #if HAVE_FCNTL_H |
49 | | #include <fcntl.h> |
50 | | #endif |
51 | | |
52 | | #if HAVE_STDARG_H |
53 | | #include <stdarg.h> |
54 | | #endif |
55 | | |
56 | | #if HAVE_CTYPE_H |
57 | | #include <ctype.h> |
58 | | #endif |
59 | | |
60 | | #include "ogs-core.h" |
61 | | |
62 | | int ogs_vsnprintf(char *str, size_t size, const char *format, va_list ap) |
63 | 2.14M | { |
64 | 2.14M | int r = -1; |
65 | | |
66 | | /* Microsoft has finally implemented snprintf in Visual Studio 2015. |
67 | | * In previous versions, I will simulate it as below. */ |
68 | | #if defined(_MSC_VER) && _MSC_VER < 1900 |
69 | | ogs_assert(str); |
70 | | |
71 | | if (size != 0) |
72 | | r = _vsnprintf_s(str, size, _TRUNCATE, format, ap); |
73 | | |
74 | | if (r == -1) |
75 | | r = _vscprintf(format, ap); |
76 | | #else |
77 | 2.14M | r = vsnprintf(str, size, format, ap); |
78 | 2.14M | #endif |
79 | 2.14M | str[size-1] = '\0'; |
80 | | |
81 | 2.14M | return r; |
82 | 2.14M | } |
83 | | |
84 | | int ogs_snprintf(char *str, size_t size, const char *format, ...) |
85 | 0 | { |
86 | 0 | int r; |
87 | 0 | va_list ap; |
88 | |
|
89 | 0 | va_start(ap, format); |
90 | 0 | r = ogs_vsnprintf(str, size, format, ap); |
91 | 0 | va_end(ap); |
92 | |
|
93 | 0 | return r; |
94 | 0 | } |
95 | | |
96 | | char *ogs_vslprintf(char *str, char *last, const char *format, va_list ap) |
97 | 2.14M | { |
98 | 2.14M | int r = -1; |
99 | | |
100 | 2.14M | ogs_assert(last); |
101 | | |
102 | 2.14M | if (!str) |
103 | 0 | return NULL; |
104 | | |
105 | 2.14M | if (str < last) |
106 | 2.14M | r = ogs_vsnprintf(str, last - str, format, ap); |
107 | | |
108 | 2.14M | return (str + r); |
109 | 2.14M | } |
110 | | |
111 | | char *ogs_slprintf(char *str, char *last, const char *format, ...) |
112 | 2.13M | { |
113 | 2.13M | char *r; |
114 | 2.13M | va_list ap; |
115 | | |
116 | 2.13M | va_start(ap, format); |
117 | 2.13M | r = ogs_vslprintf(str, last, format, ap); |
118 | 2.13M | va_end(ap); |
119 | | |
120 | 2.13M | return r; |
121 | 2.13M | } |
122 | | |
123 | | char *ogs_cpystrn(char *dst, const char *src, size_t dst_size) |
124 | 0 | { |
125 | 0 | char *d = dst, *end; |
126 | |
|
127 | 0 | if (dst_size == 0) { |
128 | 0 | return (dst); |
129 | 0 | } |
130 | | |
131 | 0 | if (src) { |
132 | 0 | end = dst + dst_size - 1; |
133 | |
|
134 | 0 | for (; d < end; ++d, ++src) { |
135 | 0 | if (!(*d = *src)) { |
136 | 0 | return (d); |
137 | 0 | } |
138 | 0 | } |
139 | 0 | } |
140 | | |
141 | 0 | *d = '\0'; /* always null terminate */ |
142 | |
|
143 | 0 | return (d); |
144 | 0 | } |
145 | | |
146 | | /***************************************** |
147 | | * Memory Pool - Use talloc library |
148 | | *****************************************/ |
149 | | |
150 | | char *ogs_talloc_strdup(const void *t, const char *p) |
151 | 0 | { |
152 | 0 | char *ptr = NULL; |
153 | |
|
154 | 0 | ogs_thread_mutex_lock(ogs_mem_get_mutex()); |
155 | |
|
156 | 0 | ptr = talloc_strdup(t, p); |
157 | 0 | ogs_expect(ptr); |
158 | |
|
159 | 0 | ogs_thread_mutex_unlock(ogs_mem_get_mutex()); |
160 | |
|
161 | 0 | return ptr; |
162 | 0 | } |
163 | | |
164 | | char *ogs_talloc_strndup(const void *t, const char *p, size_t n) |
165 | 0 | { |
166 | 0 | char *ptr = NULL; |
167 | |
|
168 | 0 | ogs_thread_mutex_lock(ogs_mem_get_mutex()); |
169 | |
|
170 | 0 | ptr = talloc_strndup(t, p, n); |
171 | 0 | ogs_expect(ptr); |
172 | |
|
173 | 0 | ogs_thread_mutex_unlock(ogs_mem_get_mutex()); |
174 | |
|
175 | 0 | return ptr; |
176 | 0 | } |
177 | | |
178 | | void *ogs_talloc_memdup(const void *t, const void *p, size_t size) |
179 | 0 | { |
180 | 0 | void *ptr = NULL; |
181 | |
|
182 | 0 | ogs_thread_mutex_lock(ogs_mem_get_mutex()); |
183 | |
|
184 | 0 | ptr = talloc_memdup(t, p, size); |
185 | 0 | ogs_expect(ptr); |
186 | |
|
187 | 0 | ogs_thread_mutex_unlock(ogs_mem_get_mutex()); |
188 | |
|
189 | 0 | return ptr; |
190 | 0 | } |
191 | | |
192 | | char *ogs_talloc_asprintf(const void *t, const char *fmt, ...) |
193 | 0 | { |
194 | 0 | va_list ap; |
195 | 0 | char *ret; |
196 | |
|
197 | 0 | ogs_thread_mutex_lock(ogs_mem_get_mutex()); |
198 | |
|
199 | 0 | va_start(ap, fmt); |
200 | 0 | ret = talloc_vasprintf(t, fmt, ap); |
201 | 0 | ogs_expect(ret); |
202 | 0 | va_end(ap); |
203 | |
|
204 | 0 | ogs_thread_mutex_unlock(ogs_mem_get_mutex()); |
205 | |
|
206 | 0 | return ret; |
207 | 0 | } |
208 | | |
209 | | char *ogs_talloc_asprintf_append(char *s, const char *fmt, ...) |
210 | 0 | { |
211 | 0 | va_list ap; |
212 | |
|
213 | 0 | ogs_thread_mutex_lock(ogs_mem_get_mutex()); |
214 | |
|
215 | 0 | va_start(ap, fmt); |
216 | 0 | s = talloc_vasprintf_append(s, fmt, ap); |
217 | 0 | ogs_expect(s); |
218 | 0 | va_end(ap); |
219 | |
|
220 | 0 | ogs_thread_mutex_unlock(ogs_mem_get_mutex()); |
221 | |
|
222 | 0 | return s; |
223 | 0 | } |
224 | | |
225 | | |
226 | | /***************************************** |
227 | | * Memory Pool - Use pkbuf library |
228 | | *****************************************/ |
229 | | |
230 | | char *ogs_strdup_debug(const char *s, const char *file_line) |
231 | 0 | { |
232 | 0 | char *res; |
233 | 0 | size_t len; |
234 | |
|
235 | 0 | if (s == NULL) |
236 | 0 | return NULL; |
237 | | |
238 | 0 | len = strlen(s) + 1; |
239 | 0 | res = ogs_memdup_debug(s, len, file_line); |
240 | 0 | if (!res) { |
241 | 0 | ogs_error("ogs_memdup_debug[len:%d] failed", (int)len); |
242 | 0 | return res; |
243 | 0 | } |
244 | 0 | return res; |
245 | 0 | } |
246 | | |
247 | | char *ogs_strndup_debug( |
248 | | const char *s, size_t n, const char *file_line) |
249 | 0 | { |
250 | 0 | char *res; |
251 | 0 | const char *end; |
252 | |
|
253 | 0 | if (s == NULL) |
254 | 0 | return NULL; |
255 | | |
256 | 0 | end = memchr(s, '\0', n); |
257 | 0 | if (end != NULL) |
258 | 0 | n = end - s; |
259 | 0 | res = ogs_malloc_debug(n + 1, file_line); |
260 | 0 | if (!res) { |
261 | 0 | ogs_error("ogs_malloc_debug[n:%d] failed", (int)n); |
262 | 0 | return res; |
263 | 0 | } |
264 | 0 | memcpy(res, s, n); |
265 | 0 | res[n] = '\0'; |
266 | 0 | return res; |
267 | 0 | } |
268 | | |
269 | | void *ogs_memdup_debug( |
270 | | const void *m, size_t n, const char *file_line) |
271 | 0 | { |
272 | 0 | void *res; |
273 | |
|
274 | 0 | if (m == NULL) |
275 | 0 | return NULL; |
276 | | |
277 | 0 | res = ogs_malloc_debug(n, file_line); |
278 | 0 | if (!res) { |
279 | 0 | ogs_error("ogs_malloc_debug[n:%d] failed", (int)n); |
280 | 0 | return res; |
281 | 0 | } |
282 | 0 | memcpy(res, m, n); |
283 | 0 | return res; |
284 | 0 | } |
285 | | |
286 | | /* |
287 | | * char *ogs_msprintf(const char *message, ...) |
288 | | * char *mstrcatf(char *source, const char *message, ...) |
289 | | * |
290 | | * Orcania library |
291 | | * Copyright 2015-2018 Nicolas Mora <mail@babelouest.org> |
292 | | * License: LGPL-2.1 |
293 | | * |
294 | | * https://github.com/babelouest/orcania.git |
295 | | */ |
296 | | char *ogs_msprintf_debug( |
297 | | const char *file_line, const char *message, ...) |
298 | 0 | { |
299 | 0 | va_list argp, argp_cpy; |
300 | 0 | size_t out_len = 0; |
301 | 0 | char *out = NULL; |
302 | 0 | if (message != NULL) { |
303 | 0 | va_start(argp, message); |
304 | 0 | va_copy(argp_cpy, argp); /* We make a copy because |
305 | | in some architectures, |
306 | | vsnprintf can modify argp */ |
307 | 0 | out_len = vsnprintf(NULL, 0, message, argp); |
308 | 0 | out = ogs_malloc_debug(out_len + sizeof(char), file_line); |
309 | 0 | if (out == NULL) { |
310 | 0 | va_end(argp); |
311 | 0 | va_end(argp_cpy); |
312 | 0 | return NULL; |
313 | 0 | } |
314 | 0 | vsnprintf(out, (out_len + sizeof(char)), message, argp_cpy); |
315 | 0 | va_end(argp); |
316 | 0 | va_end(argp_cpy); |
317 | 0 | } |
318 | 0 | return out; |
319 | 0 | } |
320 | | |
321 | | char *ogs_mstrcatf_debug( |
322 | | char *source, const char *file_line, const char *message, ...) |
323 | 0 | { |
324 | 0 | va_list argp, argp_cpy; |
325 | 0 | char *out = NULL, *message_formatted = NULL; |
326 | 0 | size_t message_formatted_len = 0, out_len = 0; |
327 | |
|
328 | 0 | if (message != NULL) { |
329 | 0 | if (source != NULL) { |
330 | 0 | va_start(argp, message); |
331 | 0 | va_copy(argp_cpy, argp); /* We make a copy because |
332 | | in some architectures, |
333 | | vsnprintf can modify argp */ |
334 | 0 | message_formatted_len = vsnprintf(NULL, 0, message, argp); |
335 | 0 | message_formatted = ogs_malloc(message_formatted_len+sizeof(char)); |
336 | 0 | if (message_formatted != NULL) { |
337 | 0 | vsnprintf(message_formatted, |
338 | 0 | (message_formatted_len+sizeof(char)), message, argp_cpy); |
339 | 0 | out = ogs_msprintf_debug( |
340 | 0 | file_line, "%s%s", source, message_formatted); |
341 | 0 | ogs_free(message_formatted); |
342 | 0 | ogs_free(source); |
343 | 0 | } |
344 | 0 | va_end(argp); |
345 | 0 | va_end(argp_cpy); |
346 | 0 | } else { |
347 | 0 | va_start(argp, message); |
348 | 0 | va_copy(argp_cpy, argp); /* We make a copy because |
349 | | in some architectures, |
350 | | vsnprintf can modify argp */ |
351 | 0 | out_len = vsnprintf(NULL, 0, message, argp); |
352 | 0 | out = ogs_malloc_debug(out_len+sizeof(char), file_line); |
353 | 0 | if (out != NULL) { |
354 | 0 | vsnprintf(out, (out_len+sizeof(char)), message, argp_cpy); |
355 | 0 | } |
356 | 0 | va_end(argp); |
357 | 0 | va_end(argp_cpy); |
358 | 0 | } |
359 | 0 | } |
360 | 0 | return out; |
361 | 0 | } |
362 | | |
363 | | char *ogs_trimwhitespace(char *str) |
364 | 0 | { |
365 | 0 | char *end; |
366 | |
|
367 | 0 | if (str == NULL) { |
368 | 0 | return NULL; |
369 | 0 | } else if (*str == 0) { |
370 | 0 | return str; |
371 | 0 | } |
372 | | |
373 | 0 | while (isspace((unsigned char)*str)) str++; |
374 | |
|
375 | 0 | end = str + strlen(str) - 1; |
376 | 0 | while(end > str && isspace((unsigned char)*end)) { |
377 | 0 | end--; |
378 | 0 | } |
379 | |
|
380 | 0 | *(end+1) = 0; |
381 | |
|
382 | 0 | return str; |
383 | 0 | } |
384 | | |
385 | | char *ogs_left_trimcharacter(char *str, char to_remove) |
386 | 0 | { |
387 | 0 | if (str == NULL) { |
388 | 0 | return NULL; |
389 | 0 | } else if (*str == 0) { |
390 | 0 | return str; |
391 | 0 | } |
392 | | |
393 | 0 | while(*str == to_remove) str++; |
394 | |
|
395 | 0 | return str; |
396 | 0 | } |
397 | | |
398 | | char *ogs_right_trimcharacter(char *str, char to_remove) |
399 | 0 | { |
400 | 0 | char *end; |
401 | |
|
402 | 0 | if (str == NULL) { |
403 | 0 | return NULL; |
404 | 0 | } else if (*str == 0) { |
405 | 0 | return str; |
406 | 0 | } |
407 | | |
408 | 0 | end = str + strlen(str) - 1; |
409 | 0 | while(end > str && (*end == to_remove)) { |
410 | 0 | end--; |
411 | 0 | } |
412 | |
|
413 | 0 | *(end+1) = 0; |
414 | |
|
415 | 0 | return str; |
416 | 0 | } |
417 | | |
418 | | char *ogs_trimcharacter(char *str, char to_remove) |
419 | 0 | { |
420 | 0 | return ogs_right_trimcharacter( |
421 | 0 | ogs_left_trimcharacter(str, to_remove), to_remove); |
422 | 0 | } |