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add new API function pa_memchunk_memcpy()

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2271 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2008-04-20 19:40:30 +00:00
parent 144b237d86
commit 4b1d684d26
2 changed files with 23 additions and 0 deletions
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20
src/pulsecore/memchunk.c
View file

@ -90,3 +90,23 @@ pa_memchunk *pa_memchunk_will_need(const pa_memchunk *c) {
return (pa_memchunk*) c;
}
pa_memchunk* pa_memchunk_memcpy(pa_memchunk *dst, pa_memchunk *src) {
void *p, *q;
pa_assert(dst);
pa_assert(src);
pa_assert(dst->length == src->length);
p = pa_memblock_acquire(dst->memblock);
q = pa_memblock_acquire(src->memblock);
memmove((uint8_t*) p + dst->index,
(uint8_t*) q + src->index,
dst->length);
pa_memblock_release(dst->memblock);
pa_memblock_release(src->memblock);
return dst;
}

3
src/pulsecore/memchunk.h
View file

@ -49,4 +49,7 @@ pa_memchunk* pa_memchunk_reset(pa_memchunk *c);
/* Map a memory chunk back into memory if it was swapped out */
pa_memchunk *pa_memchunk_will_need(const pa_memchunk *c);
/* Copy the data in the src memchunk to the dst memchunk */
pa_memchunk* pa_memchunk_memcpy(pa_memchunk *dst, pa_memchunk *src);
#endif