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