forked from KolibriOS/kolibrios
50 lines
658 B
C
Executable File
50 lines
658 B
C
Executable File
#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);
|
|
}
|