comparison: src/ucx/buffer.c
src/ucx/buffer.c
- changeset 490
- d218607f5a7e
- parent 415
- d938228c382e
equal
deleted
inserted
replaced
| 489:921f83a8943f | 490:d218607f5a7e |
|---|---|
| 27 */ | 27 */ |
| 28 | 28 |
| 29 #include "cx/buffer.h" | 29 #include "cx/buffer.h" |
| 30 #include "cx/utils.h" | 30 #include "cx/utils.h" |
| 31 | 31 |
| 32 #include <stdlib.h> | |
| 33 #include <stdio.h> | 32 #include <stdio.h> |
| 34 #include <string.h> | 33 #include <string.h> |
| 35 #include <stdint.h> | |
| 36 | 34 |
| 37 int cxBufferInit( | 35 int cxBufferInit( |
| 38 CxBuffer *buffer, | 36 CxBuffer *buffer, |
| 39 void *space, | 37 void *space, |
| 40 size_t capacity, | 38 size_t capacity, |
| 41 CxAllocator const *allocator, | 39 CxAllocator const *allocator, |
| 42 int flags | 40 int flags |
| 43 ) { | 41 ) { |
| 42 if (allocator == NULL) allocator = cxDefaultAllocator; | |
| 44 buffer->allocator = allocator; | 43 buffer->allocator = allocator; |
| 45 buffer->flags = flags; | 44 buffer->flags = flags; |
| 46 if (!space) { | 45 if (!space) { |
| 47 buffer->bytes = cxMalloc(allocator, capacity); | 46 buffer->bytes = cxMalloc(allocator, capacity); |
| 48 if (buffer->bytes == NULL) { | 47 if (buffer->bytes == NULL) { |
| 67 | 66 |
| 68 void cxBufferDestroy(CxBuffer *buffer) { | 67 void cxBufferDestroy(CxBuffer *buffer) { |
| 69 if ((buffer->flags & CX_BUFFER_FREE_CONTENTS) == CX_BUFFER_FREE_CONTENTS) { | 68 if ((buffer->flags & CX_BUFFER_FREE_CONTENTS) == CX_BUFFER_FREE_CONTENTS) { |
| 70 cxFree(buffer->allocator, buffer->bytes); | 69 cxFree(buffer->allocator, buffer->bytes); |
| 71 } | 70 } |
| 71 } | |
| 72 | |
| 73 CxBuffer *cxBufferCreate( | |
| 74 void *space, | |
| 75 size_t capacity, | |
| 76 CxAllocator const *allocator, | |
| 77 int flags | |
| 78 ) { | |
| 79 CxBuffer *buf = cxMalloc(allocator, sizeof(CxBuffer)); | |
| 80 if (buf == NULL) return NULL; | |
| 81 if (0 == cxBufferInit(buf, space, capacity, allocator, flags)) { | |
| 82 return buf; | |
| 83 } else { | |
| 84 cxFree(allocator, buf); | |
| 85 return NULL; | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 void cxBufferFree(CxBuffer *buffer) { | |
| 90 if ((buffer->flags & CX_BUFFER_FREE_CONTENTS) == CX_BUFFER_FREE_CONTENTS) { | |
| 91 cxFree(buffer->allocator, buffer->bytes); | |
| 92 } | |
| 93 cxFree(buffer->allocator, buffer); | |
| 72 } | 94 } |
| 73 | 95 |
| 74 int cxBufferSeek( | 96 int cxBufferSeek( |
| 75 CxBuffer *buffer, | 97 CxBuffer *buffer, |
| 76 off_t offset, | 98 off_t offset, |
