comparison: ucx/string.c
ucx/string.c
- changeset 231
- 35490eb48214
- parent 225
- a1a068c2c4ef
- child 233
- bd58fdde142d
equal
deleted
inserted
replaced
| 230:4044131874f9 | 231:35490eb48214 |
|---|---|
| 200 sstr_t* sstrsplit_a(UcxAllocator *allocator, sstr_t s, sstr_t d, ssize_t *n) { | 200 sstr_t* sstrsplit_a(UcxAllocator *allocator, sstr_t s, sstr_t d, ssize_t *n) { |
| 201 if (s.length == 0 || d.length == 0) { | 201 if (s.length == 0 || d.length == 0) { |
| 202 *n = -1; | 202 *n = -1; |
| 203 return NULL; | 203 return NULL; |
| 204 } | 204 } |
| 205 | 205 |
| 206 /* special cases: delimiter is at least as large as the string */ | |
| 207 if (d.length >= s.length) { | |
| 208 /* exact match */ | |
| 209 if (sstrcmp(s, d) == 0) { | |
| 210 *n = 0; | |
| 211 return NULL; | |
| 212 } else /* no match possible */ { | |
| 213 *n = 1; | |
| 214 sstr_t *result = (sstr_t*) almalloc(allocator, sizeof(sstr_t)); | |
| 215 result->ptr = (char*) almalloc(allocator, 1+s.length); | |
| 216 memcpy(result->ptr, s.ptr, s.length); | |
| 217 result->ptr[s.length] = '\0'; | |
| 218 result->length = s.length; | |
| 219 return result; | |
| 220 } | |
| 221 } | |
| 222 | |
| 206 sstr_t* result; | 223 sstr_t* result; |
| 207 ssize_t nmax = *n; | 224 ssize_t nmax = *n; |
| 208 *n = 1; | 225 *n = 1; |
| 209 | 226 |
| 210 /* special case: exact match - no processing needed */ | |
| 211 if (sstrcmp(s, d) == 0) { | |
| 212 *n = 0; | |
| 213 return NULL; | |
| 214 } | |
| 215 sstr_t sv = sstrdup(s); | 227 sstr_t sv = sstrdup(s); |
| 216 if (sv.length == 0) { | 228 if (sv.length == 0) { |
| 217 *n = -2; | 229 *n = -2; |
| 218 return NULL; | 230 return NULL; |
| 219 } | 231 } |
| 236 for (ssize_t i = 0 ; i < *n ; i++) { | 248 for (ssize_t i = 0 ; i < *n ; i++) { |
| 237 size_t l = strlen(pptr); | 249 size_t l = strlen(pptr); |
| 238 char* ptr = (char*) almalloc(allocator, l + 1); | 250 char* ptr = (char*) almalloc(allocator, l + 1); |
| 239 if (ptr) { | 251 if (ptr) { |
| 240 memcpy(ptr, pptr, l); | 252 memcpy(ptr, pptr, l); |
| 241 ptr[l] = 0; | 253 ptr[l] = '\0'; |
| 242 | 254 |
| 243 result[i] = sstrn(ptr, l); | 255 result[i] = sstrn(ptr, l); |
| 244 pptr += l + d.length; | 256 pptr += l + d.length; |
| 245 } else { | 257 } else { |
| 246 for (ssize_t j = i-1 ; j >= 0 ; j--) { | 258 for (ssize_t j = i-1 ; j >= 0 ; j--) { |
