]>
Commit | Line | Data |
---|---|---|
ed9b544e | 1 | /* SDSLib, A C dynamic strings library |
2 | * | |
12d090d2 | 3 | * Copyright (c) 2006-2010, Salvatore Sanfilippo <antirez at gmail dot com> |
ed9b544e | 4 | * All rights reserved. |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * * Redistributions of source code must retain the above copyright notice, | |
10 | * this list of conditions and the following disclaimer. | |
11 | * * Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * * Neither the name of Redis nor the names of its contributors may be used | |
15 | * to endorse or promote products derived from this software without | |
16 | * specific prior written permission. | |
17 | * | |
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
28 | * POSSIBILITY OF SUCH DAMAGE. | |
e360e3bb | 29 | * |
30 | * History: | |
31 | * | |
32 | * - 22 March 2011: History section created on top of sds.c | |
33 | * - 22 March 2011: Fixed a problem with "\xab" escapes convertion in | |
34 | * function sdssplitargs(). | |
ed9b544e | 35 | */ |
36 | ||
56906eef | 37 | #define SDS_ABORT_ON_OOM |
38 | ||
ed9b544e | 39 | #include "sds.h" |
40 | #include <stdio.h> | |
41 | #include <stdlib.h> | |
ed9b544e | 42 | #include <string.h> |
43 | #include <ctype.h> | |
44 | #include "zmalloc.h" | |
45 | ||
46 | static void sdsOomAbort(void) { | |
47 | fprintf(stderr,"SDS: Out Of Memory (SDS_ABORT_ON_OOM defined)\n"); | |
48 | abort(); | |
49 | } | |
50 | ||
51 | sds sdsnewlen(const void *init, size_t initlen) { | |
52 | struct sdshdr *sh; | |
53 | ||
626f6b2d | 54 | if (init) { |
55 | sh = zmalloc(sizeof(struct sdshdr)+initlen+1); | |
56 | } else { | |
57 | sh = zcalloc(sizeof(struct sdshdr)+initlen+1); | |
58 | } | |
f1017b3f | 59 | #ifdef SDS_ABORT_ON_OOM |
60 | if (sh == NULL) sdsOomAbort(); | |
61 | #else | |
62 | if (sh == NULL) return NULL; | |
63 | #endif | |
64 | sh->len = initlen; | |
ed9b544e | 65 | sh->free = 0; |
626f6b2d | 66 | if (initlen && init) |
67 | memcpy(sh->buf, init, initlen); | |
ed9b544e | 68 | sh->buf[initlen] = '\0'; |
69 | return (char*)sh->buf; | |
70 | } | |
71 | ||
72 | sds sdsempty(void) { | |
73 | return sdsnewlen("",0); | |
74 | } | |
75 | ||
76 | sds sdsnew(const char *init) { | |
77 | size_t initlen = (init == NULL) ? 0 : strlen(init); | |
78 | return sdsnewlen(init, initlen); | |
79 | } | |
80 | ||
81 | size_t sdslen(const sds s) { | |
82 | struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr))); | |
f1017b3f | 83 | return sh->len; |
ed9b544e | 84 | } |
85 | ||
86 | sds sdsdup(const sds s) { | |
87 | return sdsnewlen(s, sdslen(s)); | |
88 | } | |
89 | ||
90 | void sdsfree(sds s) { | |
91 | if (s == NULL) return; | |
f1017b3f | 92 | zfree(s-sizeof(struct sdshdr)); |
ed9b544e | 93 | } |
94 | ||
95 | size_t sdsavail(sds s) { | |
96 | struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr))); | |
97 | return sh->free; | |
98 | } | |
99 | ||
100 | void sdsupdatelen(sds s) { | |
101 | struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr))); | |
102 | int reallen = strlen(s); | |
f1017b3f | 103 | sh->free += (sh->len-reallen); |
104 | sh->len = reallen; | |
ed9b544e | 105 | } |
106 | ||
107 | static sds sdsMakeRoomFor(sds s, size_t addlen) { | |
108 | struct sdshdr *sh, *newsh; | |
109 | size_t free = sdsavail(s); | |
f1017b3f | 110 | size_t len, newlen; |
ed9b544e | 111 | |
f1017b3f | 112 | if (free >= addlen) return s; |
ed9b544e | 113 | len = sdslen(s); |
114 | sh = (void*) (s-(sizeof(struct sdshdr))); | |
f1017b3f | 115 | newlen = (len+addlen)*2; |
116 | newsh = zrealloc(sh, sizeof(struct sdshdr)+newlen+1); | |
ed9b544e | 117 | #ifdef SDS_ABORT_ON_OOM |
f1017b3f | 118 | if (newsh == NULL) sdsOomAbort(); |
ed9b544e | 119 | #else |
f1017b3f | 120 | if (newsh == NULL) return NULL; |
ed9b544e | 121 | #endif |
f1017b3f | 122 | |
123 | newsh->free = newlen - len; | |
ed9b544e | 124 | return newsh->buf; |
125 | } | |
126 | ||
eae33c1c | 127 | /* Grow the sds to have the specified length. Bytes that were not part of |
cc209063 PN |
128 | * the original length of the sds will be set to zero. */ |
129 | sds sdsgrowzero(sds s, size_t len) { | |
eae33c1c PN |
130 | struct sdshdr *sh = (void*)(s-(sizeof(struct sdshdr))); |
131 | size_t totlen, curlen = sh->len; | |
132 | ||
133 | if (len <= curlen) return s; | |
134 | s = sdsMakeRoomFor(s,len-curlen); | |
135 | if (s == NULL) return NULL; | |
136 | ||
137 | /* Make sure added region doesn't contain garbage */ | |
138 | sh = (void*)(s-(sizeof(struct sdshdr))); | |
cc209063 | 139 | memset(s+curlen,0,(len-curlen+1)); /* also set trailing \0 byte */ |
eae33c1c PN |
140 | totlen = sh->len+sh->free; |
141 | sh->len = len; | |
142 | sh->free = totlen-sh->len; | |
143 | return s; | |
144 | } | |
145 | ||
ed9b544e | 146 | sds sdscatlen(sds s, void *t, size_t len) { |
f1017b3f | 147 | struct sdshdr *sh; |
ed9b544e | 148 | size_t curlen = sdslen(s); |
149 | ||
150 | s = sdsMakeRoomFor(s,len); | |
151 | if (s == NULL) return NULL; | |
f1017b3f | 152 | sh = (void*) (s-(sizeof(struct sdshdr))); |
ed9b544e | 153 | memcpy(s+curlen, t, len); |
f1017b3f | 154 | sh->len = curlen+len; |
155 | sh->free = sh->free-len; | |
ed9b544e | 156 | s[curlen+len] = '\0'; |
157 | return s; | |
158 | } | |
159 | ||
160 | sds sdscat(sds s, char *t) { | |
161 | return sdscatlen(s, t, strlen(t)); | |
162 | } | |
163 | ||
164 | sds sdscpylen(sds s, char *t, size_t len) { | |
165 | struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr))); | |
f1017b3f | 166 | size_t totlen = sh->free+sh->len; |
ed9b544e | 167 | |
168 | if (totlen < len) { | |
b2b5ae80 | 169 | s = sdsMakeRoomFor(s,len-sh->len); |
ed9b544e | 170 | if (s == NULL) return NULL; |
f1017b3f | 171 | sh = (void*) (s-(sizeof(struct sdshdr))); |
172 | totlen = sh->free+sh->len; | |
ed9b544e | 173 | } |
174 | memcpy(s, t, len); | |
175 | s[len] = '\0'; | |
f1017b3f | 176 | sh->len = len; |
177 | sh->free = totlen-len; | |
ed9b544e | 178 | return s; |
179 | } | |
180 | ||
181 | sds sdscpy(sds s, char *t) { | |
182 | return sdscpylen(s, t, strlen(t)); | |
183 | } | |
184 | ||
60361e5a PN |
185 | sds sdscatvprintf(sds s, const char *fmt, va_list ap) { |
186 | va_list cpy; | |
ed9b544e | 187 | char *buf, *t; |
4b00bebd | 188 | size_t buflen = 16; |
ed9b544e | 189 | |
190 | while(1) { | |
191 | buf = zmalloc(buflen); | |
192 | #ifdef SDS_ABORT_ON_OOM | |
193 | if (buf == NULL) sdsOomAbort(); | |
194 | #else | |
195 | if (buf == NULL) return NULL; | |
196 | #endif | |
197 | buf[buflen-2] = '\0'; | |
60361e5a PN |
198 | va_copy(cpy,ap); |
199 | vsnprintf(buf, buflen, fmt, cpy); | |
ed9b544e | 200 | if (buf[buflen-2] != '\0') { |
201 | zfree(buf); | |
202 | buflen *= 2; | |
203 | continue; | |
204 | } | |
205 | break; | |
206 | } | |
207 | t = sdscat(s, buf); | |
208 | zfree(buf); | |
209 | return t; | |
210 | } | |
211 | ||
60361e5a PN |
212 | sds sdscatprintf(sds s, const char *fmt, ...) { |
213 | va_list ap; | |
214 | char *t; | |
215 | va_start(ap, fmt); | |
216 | t = sdscatvprintf(s,fmt,ap); | |
217 | va_end(ap); | |
218 | return t; | |
219 | } | |
220 | ||
ed9b544e | 221 | sds sdstrim(sds s, const char *cset) { |
222 | struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr))); | |
223 | char *start, *end, *sp, *ep; | |
224 | size_t len; | |
225 | ||
226 | sp = start = s; | |
227 | ep = end = s+sdslen(s)-1; | |
228 | while(sp <= end && strchr(cset, *sp)) sp++; | |
229 | while(ep > start && strchr(cset, *ep)) ep--; | |
230 | len = (sp > ep) ? 0 : ((ep-sp)+1); | |
231 | if (sh->buf != sp) memmove(sh->buf, sp, len); | |
232 | sh->buf[len] = '\0'; | |
f1017b3f | 233 | sh->free = sh->free+(sh->len-len); |
234 | sh->len = len; | |
ed9b544e | 235 | return s; |
236 | } | |
237 | ||
e2641e09 | 238 | sds sdsrange(sds s, int start, int end) { |
ed9b544e | 239 | struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr))); |
240 | size_t newlen, len = sdslen(s); | |
241 | ||
242 | if (len == 0) return s; | |
243 | if (start < 0) { | |
244 | start = len+start; | |
245 | if (start < 0) start = 0; | |
246 | } | |
247 | if (end < 0) { | |
248 | end = len+end; | |
249 | if (end < 0) end = 0; | |
250 | } | |
251 | newlen = (start > end) ? 0 : (end-start)+1; | |
252 | if (newlen != 0) { | |
136cf53f | 253 | if (start >= (signed)len) { |
254 | newlen = 0; | |
255 | } else if (end >= (signed)len) { | |
256 | end = len-1; | |
257 | newlen = (start > end) ? 0 : (end-start)+1; | |
258 | } | |
ed9b544e | 259 | } else { |
260 | start = 0; | |
261 | } | |
136cf53f | 262 | if (start && newlen) memmove(sh->buf, sh->buf+start, newlen); |
ed9b544e | 263 | sh->buf[newlen] = 0; |
f1017b3f | 264 | sh->free = sh->free+(sh->len-newlen); |
265 | sh->len = newlen; | |
ed9b544e | 266 | return s; |
267 | } | |
268 | ||
269 | void sdstolower(sds s) { | |
270 | int len = sdslen(s), j; | |
271 | ||
272 | for (j = 0; j < len; j++) s[j] = tolower(s[j]); | |
273 | } | |
274 | ||
275 | void sdstoupper(sds s) { | |
276 | int len = sdslen(s), j; | |
277 | ||
278 | for (j = 0; j < len; j++) s[j] = toupper(s[j]); | |
279 | } | |
280 | ||
281 | int sdscmp(sds s1, sds s2) { | |
282 | size_t l1, l2, minlen; | |
283 | int cmp; | |
284 | ||
285 | l1 = sdslen(s1); | |
286 | l2 = sdslen(s2); | |
287 | minlen = (l1 < l2) ? l1 : l2; | |
288 | cmp = memcmp(s1,s2,minlen); | |
289 | if (cmp == 0) return l1-l2; | |
290 | return cmp; | |
291 | } | |
292 | ||
293 | /* Split 's' with separator in 'sep'. An array | |
294 | * of sds strings is returned. *count will be set | |
295 | * by reference to the number of tokens returned. | |
296 | * | |
297 | * On out of memory, zero length string, zero length | |
298 | * separator, NULL is returned. | |
299 | * | |
300 | * Note that 'sep' is able to split a string using | |
301 | * a multi-character separator. For example | |
302 | * sdssplit("foo_-_bar","_-_"); will return two | |
303 | * elements "foo" and "bar". | |
304 | * | |
305 | * This version of the function is binary-safe but | |
306 | * requires length arguments. sdssplit() is just the | |
307 | * same function but for zero-terminated strings. | |
308 | */ | |
309 | sds *sdssplitlen(char *s, int len, char *sep, int seplen, int *count) { | |
310 | int elements = 0, slots = 5, start = 0, j; | |
311 | ||
312 | sds *tokens = zmalloc(sizeof(sds)*slots); | |
313 | #ifdef SDS_ABORT_ON_OOM | |
314 | if (tokens == NULL) sdsOomAbort(); | |
315 | #endif | |
be86082b | 316 | if (seplen < 1 || len < 0 || tokens == NULL) { |
317 | *count = 0; | |
318 | return NULL; | |
319 | } | |
ed10f40b | 320 | if (len == 0) { |
321 | *count = 0; | |
322 | return tokens; | |
323 | } | |
ed9b544e | 324 | for (j = 0; j < (len-(seplen-1)); j++) { |
325 | /* make sure there is room for the next element and the final one */ | |
326 | if (slots < elements+2) { | |
a4d1ba9a | 327 | sds *newtokens; |
328 | ||
ed9b544e | 329 | slots *= 2; |
a4d1ba9a | 330 | newtokens = zrealloc(tokens,sizeof(sds)*slots); |
ed9b544e | 331 | if (newtokens == NULL) { |
332 | #ifdef SDS_ABORT_ON_OOM | |
333 | sdsOomAbort(); | |
334 | #else | |
335 | goto cleanup; | |
336 | #endif | |
337 | } | |
338 | tokens = newtokens; | |
339 | } | |
340 | /* search the separator */ | |
341 | if ((seplen == 1 && *(s+j) == sep[0]) || (memcmp(s+j,sep,seplen) == 0)) { | |
342 | tokens[elements] = sdsnewlen(s+start,j-start); | |
343 | if (tokens[elements] == NULL) { | |
344 | #ifdef SDS_ABORT_ON_OOM | |
345 | sdsOomAbort(); | |
346 | #else | |
347 | goto cleanup; | |
348 | #endif | |
349 | } | |
350 | elements++; | |
351 | start = j+seplen; | |
352 | j = j+seplen-1; /* skip the separator */ | |
353 | } | |
354 | } | |
355 | /* Add the final element. We are sure there is room in the tokens array. */ | |
356 | tokens[elements] = sdsnewlen(s+start,len-start); | |
357 | if (tokens[elements] == NULL) { | |
358 | #ifdef SDS_ABORT_ON_OOM | |
359 | sdsOomAbort(); | |
360 | #else | |
361 | goto cleanup; | |
362 | #endif | |
363 | } | |
364 | elements++; | |
365 | *count = elements; | |
366 | return tokens; | |
367 | ||
368 | #ifndef SDS_ABORT_ON_OOM | |
369 | cleanup: | |
370 | { | |
371 | int i; | |
372 | for (i = 0; i < elements; i++) sdsfree(tokens[i]); | |
373 | zfree(tokens); | |
be86082b | 374 | *count = 0; |
ed9b544e | 375 | return NULL; |
376 | } | |
377 | #endif | |
378 | } | |
a34e0a25 | 379 | |
380 | void sdsfreesplitres(sds *tokens, int count) { | |
381 | if (!tokens) return; | |
382 | while(count--) | |
383 | sdsfree(tokens[count]); | |
384 | zfree(tokens); | |
385 | } | |
ee14da56 | 386 | |
387 | sds sdsfromlonglong(long long value) { | |
388 | char buf[32], *p; | |
389 | unsigned long long v; | |
390 | ||
391 | v = (value < 0) ? -value : value; | |
392 | p = buf+31; /* point to the last character */ | |
393 | do { | |
394 | *p-- = '0'+(v%10); | |
395 | v /= 10; | |
396 | } while(v); | |
397 | if (value < 0) *p-- = '-'; | |
398 | p++; | |
399 | return sdsnewlen(p,32-(p-buf)); | |
400 | } | |
e2641e09 | 401 | |
402 | sds sdscatrepr(sds s, char *p, size_t len) { | |
403 | s = sdscatlen(s,"\"",1); | |
404 | while(len--) { | |
405 | switch(*p) { | |
406 | case '\\': | |
407 | case '"': | |
408 | s = sdscatprintf(s,"\\%c",*p); | |
409 | break; | |
612810af | 410 | case '\n': s = sdscatlen(s,"\\n",2); break; |
411 | case '\r': s = sdscatlen(s,"\\r",2); break; | |
412 | case '\t': s = sdscatlen(s,"\\t",2); break; | |
413 | case '\a': s = sdscatlen(s,"\\a",2); break; | |
414 | case '\b': s = sdscatlen(s,"\\b",2); break; | |
e2641e09 | 415 | default: |
416 | if (isprint(*p)) | |
417 | s = sdscatprintf(s,"%c",*p); | |
418 | else | |
419 | s = sdscatprintf(s,"\\x%02x",(unsigned char)*p); | |
420 | break; | |
421 | } | |
422 | p++; | |
423 | } | |
424 | return sdscatlen(s,"\"",1); | |
425 | } | |
cbce5171 | 426 | |
e360e3bb | 427 | /* Helper function for sdssplitargs() that returns non zero if 'c' |
428 | * is a valid hex digit. */ | |
429 | int is_hex_digit(char c) { | |
430 | return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || | |
431 | (c >= 'A' && c <= 'F'); | |
432 | } | |
433 | ||
434 | /* Helper function for sdssplitargs() that converts an hex digit into an | |
435 | * integer from 0 to 15 */ | |
436 | int hex_digit_to_int(char c) { | |
437 | switch(c) { | |
438 | case '0': return 0; | |
439 | case '1': return 1; | |
440 | case '2': return 2; | |
441 | case '3': return 3; | |
442 | case '4': return 4; | |
443 | case '5': return 5; | |
444 | case '6': return 6; | |
445 | case '7': return 7; | |
446 | case '8': return 8; | |
447 | case '9': return 9; | |
448 | case 'a': case 'A': return 10; | |
449 | case 'b': case 'B': return 11; | |
450 | case 'c': case 'C': return 12; | |
451 | case 'd': case 'D': return 13; | |
452 | case 'e': case 'E': return 14; | |
453 | case 'f': case 'F': return 15; | |
454 | default: return 0; | |
455 | } | |
456 | } | |
457 | ||
cbce5171 | 458 | /* Split a line into arguments, where every argument can be in the |
459 | * following programming-language REPL-alike form: | |
460 | * | |
461 | * foo bar "newline are supported\n" and "\xff\x00otherstuff" | |
462 | * | |
463 | * The number of arguments is stored into *argc, and an array | |
464 | * of sds is returned. The caller should sdsfree() all the returned | |
465 | * strings and finally zfree() the array itself. | |
466 | * | |
467 | * Note that sdscatrepr() is able to convert back a string into | |
468 | * a quoted string in the same format sdssplitargs() is able to parse. | |
469 | */ | |
470 | sds *sdssplitargs(char *line, int *argc) { | |
471 | char *p = line; | |
472 | char *current = NULL; | |
473 | char **vector = NULL; | |
474 | ||
475 | *argc = 0; | |
476 | while(1) { | |
477 | /* skip blanks */ | |
478 | while(*p && isspace(*p)) p++; | |
479 | if (*p) { | |
480 | /* get a token */ | |
481 | int inq=0; /* set to 1 if we are in "quotes" */ | |
4b93e5e2 | 482 | int done=0; |
cbce5171 | 483 | |
484 | if (current == NULL) current = sdsempty(); | |
485 | while(!done) { | |
486 | if (inq) { | |
e360e3bb | 487 | if (*p == '\\' && *(p+1) == 'x' && |
488 | is_hex_digit(*(p+2)) && | |
489 | is_hex_digit(*(p+3))) | |
490 | { | |
491 | unsigned char byte; | |
492 | ||
493 | byte = (hex_digit_to_int(*(p+2))*16)+ | |
494 | hex_digit_to_int(*(p+3)); | |
495 | current = sdscatlen(current,(char*)&byte,1); | |
496 | p += 3; | |
497 | } else if (*p == '\\' && *(p+1)) { | |
cbce5171 | 498 | char c; |
499 | ||
500 | p++; | |
501 | switch(*p) { | |
502 | case 'n': c = '\n'; break; | |
503 | case 'r': c = '\r'; break; | |
504 | case 't': c = '\t'; break; | |
505 | case 'b': c = '\b'; break; | |
506 | case 'a': c = '\a'; break; | |
507 | default: c = *p; break; | |
508 | } | |
509 | current = sdscatlen(current,&c,1); | |
510 | } else if (*p == '"') { | |
4b93e5e2 PN |
511 | /* closing quote must be followed by a space */ |
512 | if (*(p+1) && !isspace(*(p+1))) goto err; | |
513 | done=1; | |
514 | } else if (!*p) { | |
515 | /* unterminated quotes */ | |
516 | goto err; | |
cbce5171 | 517 | } else { |
518 | current = sdscatlen(current,p,1); | |
519 | } | |
520 | } else { | |
521 | switch(*p) { | |
522 | case ' ': | |
523 | case '\n': | |
524 | case '\r': | |
525 | case '\t': | |
526 | case '\0': | |
527 | done=1; | |
528 | break; | |
529 | case '"': | |
530 | inq=1; | |
531 | break; | |
532 | default: | |
533 | current = sdscatlen(current,p,1); | |
534 | break; | |
535 | } | |
536 | } | |
537 | if (*p) p++; | |
538 | } | |
539 | /* add the token to the vector */ | |
540 | vector = zrealloc(vector,((*argc)+1)*sizeof(char*)); | |
541 | vector[*argc] = current; | |
542 | (*argc)++; | |
543 | current = NULL; | |
544 | } else { | |
545 | return vector; | |
546 | } | |
547 | } | |
4b93e5e2 PN |
548 | |
549 | err: | |
2929ca97 | 550 | while((*argc)--) |
4b93e5e2 PN |
551 | sdsfree(vector[*argc]); |
552 | zfree(vector); | |
553 | if (current) sdsfree(current); | |
554 | return NULL; | |
cbce5171 | 555 | } |
136cf53f | 556 | |
726a39c1 | 557 | void sdssplitargs_free(sds *argv, int argc) { |
558 | int j; | |
559 | ||
560 | for (j = 0 ;j < argc; j++) sdsfree(argv[j]); | |
561 | zfree(argv); | |
562 | } | |
563 | ||
136cf53f | 564 | #ifdef SDS_TEST_MAIN |
565 | #include <stdio.h> | |
566 | #include "testhelp.h" | |
567 | ||
568 | int main(void) { | |
569 | { | |
963238f7 | 570 | sds x = sdsnew("foo"), y; |
571 | ||
572 | test_cond("Create a string and obtain the length", | |
573 | sdslen(x) == 3 && memcmp(x,"foo\0",4) == 0) | |
574 | ||
575 | sdsfree(x); | |
576 | x = sdsnewlen("foo",2); | |
577 | test_cond("Create a string with specified length", | |
578 | sdslen(x) == 2 && memcmp(x,"fo\0",3) == 0) | |
579 | ||
580 | x = sdscat(x,"bar"); | |
581 | test_cond("Strings concatenation", | |
582 | sdslen(x) == 5 && memcmp(x,"fobar\0",6) == 0); | |
583 | ||
584 | x = sdscpy(x,"a"); | |
585 | test_cond("sdscpy() against an originally longer string", | |
586 | sdslen(x) == 1 && memcmp(x,"a\0",2) == 0) | |
587 | ||
588 | x = sdscpy(x,"xyzxxxxxxxxxxyyyyyyyyyykkkkkkkkkk"); | |
589 | test_cond("sdscpy() against an originally shorter string", | |
590 | sdslen(x) == 33 && | |
591 | memcmp(x,"xyzxxxxxxxxxxyyyyyyyyyykkkkkkkkkk\0",33) == 0) | |
592 | ||
593 | sdsfree(x); | |
594 | x = sdscatprintf(sdsempty(),"%d",123); | |
595 | test_cond("sdscatprintf() seems working in the base case", | |
596 | sdslen(x) == 3 && memcmp(x,"123\0",4) ==0) | |
597 | ||
598 | sdsfree(x); | |
599 | x = sdstrim(sdsnew("xxciaoyyy"),"xy"); | |
600 | test_cond("sdstrim() correctly trims characters", | |
601 | sdslen(x) == 4 && memcmp(x,"ciao\0",5) == 0) | |
602 | ||
603 | y = sdsrange(sdsdup(x),1,1); | |
604 | test_cond("sdsrange(...,1,1)", | |
605 | sdslen(y) == 1 && memcmp(y,"i\0",2) == 0) | |
606 | ||
607 | sdsfree(y); | |
608 | y = sdsrange(sdsdup(x),1,-1); | |
609 | test_cond("sdsrange(...,1,-1)", | |
610 | sdslen(y) == 3 && memcmp(y,"iao\0",4) == 0) | |
611 | ||
612 | sdsfree(y); | |
613 | y = sdsrange(sdsdup(x),-2,-1); | |
614 | test_cond("sdsrange(...,-2,-1)", | |
615 | sdslen(y) == 2 && memcmp(y,"ao\0",3) == 0) | |
616 | ||
617 | sdsfree(y); | |
618 | y = sdsrange(sdsdup(x),2,1); | |
619 | test_cond("sdsrange(...,2,1)", | |
620 | sdslen(y) == 0 && memcmp(y,"\0",1) == 0) | |
621 | ||
622 | sdsfree(y); | |
623 | y = sdsrange(sdsdup(x),1,100); | |
624 | test_cond("sdsrange(...,1,100)", | |
625 | sdslen(y) == 3 && memcmp(y,"iao\0",4) == 0) | |
626 | ||
627 | sdsfree(y); | |
628 | y = sdsrange(sdsdup(x),100,100); | |
629 | test_cond("sdsrange(...,100,100)", | |
630 | sdslen(y) == 0 && memcmp(y,"\0",1) == 0) | |
631 | ||
632 | sdsfree(y); | |
633 | sdsfree(x); | |
634 | x = sdsnew("foo"); | |
635 | y = sdsnew("foa"); | |
636 | test_cond("sdscmp(foo,foa)", sdscmp(x,y) > 0) | |
637 | ||
638 | sdsfree(y); | |
639 | sdsfree(x); | |
640 | x = sdsnew("bar"); | |
641 | y = sdsnew("bar"); | |
642 | test_cond("sdscmp(bar,bar)", sdscmp(x,y) == 0) | |
643 | ||
644 | sdsfree(y); | |
645 | sdsfree(x); | |
646 | x = sdsnew("aar"); | |
647 | y = sdsnew("bar"); | |
648 | test_cond("sdscmp(bar,bar)", sdscmp(x,y) < 0) | |
136cf53f | 649 | } |
650 | test_report() | |
651 | } | |
652 | #endif |