comparison: src/buffer.c
src/buffer.c
- changeset 1290
- 4ac889e14211
- parent 1288
- b41ad5d9bcbf
- child 1291
- 5942859fd76c
equal
deleted
inserted
replaced
| 1289:2e8edba252a0 | 1290:4ac889e14211 |
|---|---|
| 204 (void **) &buffer->bytes, newcap) == 0) { | 204 (void **) &buffer->bytes, newcap) == 0) { |
| 205 buffer->capacity = newcap; | 205 buffer->capacity = newcap; |
| 206 return 0; | 206 return 0; |
| 207 } else { | 207 } else { |
| 208 return -1; // LCOV_EXCL_LINE | 208 return -1; // LCOV_EXCL_LINE |
| 209 } | |
| 210 } | |
| 211 | |
| 212 void cxBufferShrink( | |
| 213 CxBuffer *buffer, | |
| 214 size_t reserve | |
| 215 ) { | |
| 216 // Ensure buffer is in a reallocatable state | |
| 217 const int force_copy_flags = CX_BUFFER_COPY_ON_WRITE | CX_BUFFER_COPY_ON_EXTEND; | |
| 218 if (buffer->flags & force_copy_flags) { | |
| 219 // do nothing when we are not allowed to reallocate | |
| 220 return; | |
| 221 } | |
| 222 | |
| 223 // calculate new capacity | |
| 224 size_t newCapacity = buffer->size + reserve; | |
| 225 | |
| 226 // If new capacity is smaller than current capacity, resize the buffer | |
| 227 if (newCapacity < buffer->capacity) { | |
| 228 if (0 == cxReallocate(buffer->allocator, &buffer->bytes, newCapacity)) { | |
| 229 buffer->capacity = newCapacity; | |
| 230 } | |
| 209 } | 231 } |
| 210 } | 232 } |
| 211 | 233 |
| 212 static size_t cx_buffer_flush_helper( | 234 static size_t cx_buffer_flush_helper( |
| 213 const CxBuffer *buffer, | 235 const CxBuffer *buffer, |
