Changeset 5682 for pjproject/trunk/pjlib/src/pj/string.c
 Timestamp:
 Nov 8, 2017 2:58:18 AM (7 years ago)
 File:

 1 edited
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 Added
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pjproject/trunk/pjlib/src/pj/string.c
r5520 r5682 24 24 #include <pj/rand.h> 25 25 #include <pj/os.h> 26 #include <pj/errno.h> 27 #include <pj/limits.h> 26 28 27 29 #if PJ_FUNCTIONS_ARE_INLINED==0 28 30 # include <pj/string_i.h> 29 31 #endif 32 30 33 31 34 PJ_DEF(pj_ssize_t) pj_strspn(const pj_str_t *str, const pj_str_t *set_char) … … 231 234 } 232 235 236 237 PJ_DEF(pj_status_t) pj_strtol2(const pj_str_t *str, long *value) 238 { 239 pj_str_t s; 240 unsigned long retval = 0; 241 pj_bool_t is_negative = PJ_FALSE; 242 int rc = 0; 243 244 PJ_CHECK_STACK(); 245 246 if (!str  !value) { 247 return PJ_EINVAL; 248 } 249 250 s = *str; 251 pj_strltrim(&s); 252 253 if (s.slen == 0) 254 return PJ_EINVAL; 255 256 if (s.ptr[0] == '+'  s.ptr[0] == '') { 257 is_negative = (s.ptr[0] == ''); 258 s.ptr += 1; 259 s.slen = 1; 260 } 261 262 rc = pj_strtoul3(&s, &retval, 10); 263 if (rc == PJ_EINVAL) { 264 return rc; 265 } else if (rc != PJ_SUCCESS) { 266 *value = is_negative ? PJ_MINLONG : PJ_MAXLONG; 267 return is_negative ? PJ_ETOOSMALL : PJ_ETOOBIG; 268 } 269 270 if (retval > PJ_MAXLONG && !is_negative) { 271 *value = PJ_MAXLONG; 272 return PJ_ETOOBIG; 273 } 274 275 if (retval > (PJ_MAXLONG + 1UL) && is_negative) { 276 *value = PJ_MINLONG; 277 return PJ_ETOOSMALL; 278 } 279 280 *value = is_negative ? (long)retval : retval; 281 282 return PJ_SUCCESS; 283 } 284 233 285 PJ_DEF(unsigned long) pj_strtoul(const pj_str_t *str) 234 286 { … … 281 333 282 334 return value; 335 } 336 337 PJ_DEF(pj_status_t) pj_strtoul3(const pj_str_t *str, unsigned long *value, 338 unsigned base) 339 { 340 pj_str_t s; 341 unsigned i; 342 343 PJ_CHECK_STACK(); 344 345 if (!str  !value) { 346 return PJ_EINVAL; 347 } 348 349 s = *str; 350 pj_strltrim(&s); 351 352 if (s.slen == 0  s.ptr[0] < '0'  353 (base <= 10 && (unsigned)s.ptr[0] > ('0'  1) + base)  354 (base == 16 && !pj_isxdigit(s.ptr[0]))) 355 { 356 return PJ_EINVAL; 357 } 358 359 *value = 0; 360 if (base <= 10) { 361 for (i=0; i<(unsigned)s.slen; ++i) { 362 unsigned c = s.ptr[i]  '0'; 363 if (s.ptr[i] < '0'  (unsigned)s.ptr[i] > ('0'  1) + base) { 364 break; 365 } 366 if (*value > PJ_MAXULONG / base) { 367 *value = PJ_MAXULONG; 368 return PJ_ETOOBIG; 369 } 370 371 *value *= base; 372 if ((PJ_MAXULONG  *value) < c) { 373 *value = PJ_MAXULONG; 374 return PJ_ETOOBIG; 375 } 376 *value += c; 377 } 378 } else if (base == 16) { 379 for (i=0; i<(unsigned)s.slen; ++i) { 380 unsigned c = pj_hex_digit_to_val(s.ptr[i]); 381 if (!pj_isxdigit(s.ptr[i])) 382 break; 383 384 if (*value > PJ_MAXULONG / base) { 385 *value = PJ_MAXULONG; 386 return PJ_ETOOBIG; 387 } 388 *value *= base; 389 if ((PJ_MAXULONG  *value) < c) { 390 *value = PJ_MAXULONG; 391 return PJ_ETOOBIG; 392 } 393 *value += c; 394 } 395 } else { 396 pj_assert(!"Unsupported base"); 397 return PJ_EINVAL; 398 } 399 return PJ_SUCCESS; 283 400 } 284 401 … … 357 474 return len; 358 475 } 359 360
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