rockbox/apps/codecs/libtremor/oggmalloc.c
Björn Stenberg c6b3d38a15 New makefile solution: A single invocation of 'make' to build the entire tree. Fully controlled dependencies give faster and more correct recompiles.
Many #include lines adjusted to conform to the new standards.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19146 a1c6a512-1295-4272-9138-f99709370657
2008-11-20 11:27:31 +00:00

74 lines
1.2 KiB
C

#include "os_types.h"
static size_t tmp_ptr;
void ogg_malloc_init(void)
{
mallocbuf = ci->codec_get_buffer(&bufsize);
tmp_ptr = bufsize & ~3;
mem_ptr = 0;
}
void *ogg_malloc(size_t size)
{
void* x;
size = (size + 3) & ~3;
if (mem_ptr + size > tmp_ptr)
return NULL;
x = &mallocbuf[mem_ptr];
mem_ptr += size; /* Keep memory 32-bit aligned */
return x;
}
void *ogg_tmpmalloc(size_t size)
{
size = (size + 3) & ~3;
if (mem_ptr + size > tmp_ptr)
return NULL;
tmp_ptr -= size;
return &mallocbuf[tmp_ptr];
}
void *ogg_calloc(size_t nmemb, size_t size)
{
void *x;
x = ogg_malloc(nmemb * size);
if (x == NULL)
return NULL;
ci->memset(x, 0, nmemb * size);
return x;
}
void *ogg_tmpcalloc(size_t nmemb, size_t size)
{
void *x;
x = ogg_tmpmalloc(nmemb * size);
if (x == NULL)
return NULL;
ci->memset(x, 0, nmemb * size);
return x;
}
void *ogg_realloc(void *ptr, size_t size)
{
void *x;
(void)ptr;
x = ogg_malloc(size);
return x;
}
long ogg_tmpmalloc_pos(void)
{
return tmp_ptr;
}
void ogg_tmpmalloc_free(long pos)
{
tmp_ptr = pos;
}