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-rw-r--r--Alc/helpers.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/Alc/helpers.c b/Alc/helpers.c
index 82bc5ec6..26a32b69 100644
--- a/Alc/helpers.c
+++ b/Alc/helpers.c
@@ -110,6 +110,54 @@ void FillCPUCaps(ALuint capfilter)
}
+void *al_malloc(size_t alignment, size_t size)
+{
+#if defined(HAVE_ALIGNED_ALLOC)
+ size = (size+(alignment-1))&~(alignment-1);
+ return aligned_alloc(alignment, size);
+#elif defined(HAVE_POSIX_MEMALIGN)
+ void *ret;
+ if(posix_memalign(&ret, alignment, size) == 0)
+ return ret;
+ return NULL;
+#elif defined(HAVE__ALIGNED_MALLOC)
+ return _aligned_malloc(size, alignment);
+#else
+ char *ret = malloc(size+alignment);
+ if(ret != NULL)
+ {
+ *(ret++) = 0x00;
+ while(((ALintptrEXT)ret&(alignment-1)) != 0)
+ *(ret++) = 0xAA;
+ }
+ return ret;
+#endif
+}
+
+void *al_calloc(size_t alignment, size_t size)
+{
+ void *ret = al_malloc(alignment, size);
+ if(ret) memset(ret, 0, size);
+ return ret;
+}
+
+void al_free(void *ptr)
+{
+#if defined(HAVE_ALIGNED_ALLOC) || defined(HAVE_POSIX_MEMALIGN) || defined(HAVE__ALIGNED_MALLOC)
+ free(ptr);
+#else
+ if(ptr != NULL)
+ {
+ char *finder = ptr;
+ do {
+ --finder;
+ } while(*finder == 0xAA);
+ free(finder);
+ }
+ return ret;
+#endif
+}
+
#ifdef _WIN32
void pthread_once(pthread_once_t *once, void (*callback)(void))
{