| 0,0 → 1,49 |
|---|
| #include "fitz.h" |
| |
| fz_buffer * |
| fz_new_buffer(int size) |
| { |
| fz_buffer *b; |
| |
| size = size > 1 ? size : 16; |
| |
| b = fz_malloc(sizeof(fz_buffer)); |
| b->refs = 1; |
| b->data = fz_malloc(size); |
| b->cap = size; |
| b->len = 0; |
| |
| return b; |
| } |
| |
| fz_buffer * |
| fz_keep_buffer(fz_buffer *buf) |
| { |
| buf->refs ++; |
| return buf; |
| } |
| |
| void |
| fz_drop_buffer(fz_buffer *buf) |
| { |
| if (--buf->refs == 0) |
| { |
| fz_free(buf->data); |
| fz_free(buf); |
| } |
| } |
| |
| void |
| fz_resize_buffer(fz_buffer *buf, int size) |
| { |
| buf->data = fz_realloc(buf->data, size, 1); |
| buf->cap = size; |
| if (buf->len > buf->cap) |
| buf->len = buf->cap; |
| } |
| |
| void |
| fz_grow_buffer(fz_buffer *buf) |
| { |
| fz_resize_buffer(buf, (buf->cap * 3) / 2); |
| } |