comparison: src/string.c
src/string.c
- changeset 1500
- d20037235c9c
- parent 1426
- 3a89b31f0724
equal
deleted
inserted
replaced
| 1499:d0a0a41405bb | 1500:d20037235c9c |
|---|---|
| 89 const CxAllocator *alloc, | 89 const CxAllocator *alloc, |
| 90 cxmutstr *dest, | 90 cxmutstr *dest, |
| 91 cxstring src | 91 cxstring src |
| 92 ) { | 92 ) { |
| 93 if (cxReallocate(alloc, &dest->ptr, src.length + 1)) { | 93 if (cxReallocate(alloc, &dest->ptr, src.length + 1)) { |
| 94 return 1; | 94 return 1; // LCOV_EXCL_LINE |
| 95 } | 95 } |
| 96 | 96 |
| 97 memcpy(dest->ptr, src.ptr, src.length); | 97 memcpy(dest->ptr, src.ptr, src.length); |
| 98 dest->length = src.length; | 98 dest->length = src.length; |
| 99 dest->ptr[dest->length] = '\0'; | 99 dest->ptr[dest->length] = '\0'; |
| 135 // compute overall length | 135 // compute overall length |
| 136 bool overflow = false; | 136 bool overflow = false; |
| 137 size_t slen = str.length; | 137 size_t slen = str.length; |
| 138 for (size_t i = 0; i < count; i++) { | 138 for (size_t i = 0; i < count; i++) { |
| 139 cxstring s = va_arg(ap, cxstring); | 139 cxstring s = va_arg(ap, cxstring); |
| 140 if (slen > SIZE_MAX - str.length) overflow = true; | 140 if (slen > SIZE_MAX - s.length) overflow = true; |
| 141 slen += s.length; | 141 slen += s.length; |
| 142 } | 142 } |
| 143 va_end(ap); | 143 va_end(ap); |
| 144 | 144 |
| 145 // abort in case of overflow | 145 // abort in case of overflow |
| 154 if (str.ptr == NULL) { | 154 if (str.ptr == NULL) { |
| 155 newstr = cxMalloc(alloc, slen + 1); | 155 newstr = cxMalloc(alloc, slen + 1); |
| 156 } else { | 156 } else { |
| 157 newstr = cxRealloc(alloc, str.ptr, slen + 1); | 157 newstr = cxRealloc(alloc, str.ptr, slen + 1); |
| 158 } | 158 } |
| 159 if (newstr == NULL) { | 159 if (newstr == NULL) { // LCOV_EXCL_START |
| 160 va_end(ap2); | 160 va_end(ap2); |
| 161 return (cxmutstr) {NULL, 0}; | 161 return (cxmutstr) {NULL, 0}; |
| 162 } | 162 } // LCOV_EXCL_STOP |
| 163 str.ptr = newstr; | 163 str.ptr = newstr; |
| 164 | 164 |
| 165 // concatenate strings | 165 // concatenate strings |
| 166 size_t pos = str.length; | 166 size_t pos = str.length; |
| 167 str.length = slen; | 167 str.length = slen; |
| 519 ) { | 519 ) { |
| 520 cxmutstr result = { | 520 cxmutstr result = { |
| 521 cxMalloc(allocator, string.length + 1), | 521 cxMalloc(allocator, string.length + 1), |
| 522 string.length | 522 string.length |
| 523 }; | 523 }; |
| 524 // LCOV_EXCL_START | |
| 524 if (result.ptr == NULL) { | 525 if (result.ptr == NULL) { |
| 525 result.length = 0; | 526 result.length = 0; |
| 526 return result; | 527 return result; |
| 527 } | 528 } |
| 529 // LCOV_EXCL_STOP | |
| 528 memcpy(result.ptr, string.ptr, string.length); | 530 memcpy(result.ptr, string.ptr, string.length); |
| 529 result.ptr[string.length] = '\0'; | 531 result.ptr[string.length] = '\0'; |
| 530 return result; | 532 return result; |
| 531 } | 533 } |
| 532 | 534 |
