libui/windows/alloc.c

44 lines
1.0 KiB
C

// 4 december 2014
#include "uipriv_windows.h"
// wrappers for allocator of choice
// panics on memory exhausted, undefined on heap corruption or other unreliably-detected malady (see http://stackoverflow.com/questions/28761680/is-there-a-windows-api-memory-allocator-deallocator-i-can-use-that-will-just-giv)
// new memory is set to zero
// passing NULL to tableRealloc() acts like tableAlloc()
// passing NULL to tableFree() is a no-op
void *uiAlloc(size_t size, const char *type)
{
void *out;
out = malloc(size);
if (out == NULL) {
fprintf(stderr, "memory exhausted in uiAlloc() allocating %s\n", type);
abort();
}
ZeroMemory(out, size);
return out;
}
void *uiRealloc(void *p, size_t size, const char *type)
{
void *out;
if (p == NULL)
return uiAlloc(size, type);
out = realloc(p, size);
if (out == NULL) {
fprintf(stderr, "memory exhausted in uiRealloc() reallocating %s\n", type);
abort();
}
// TODO zero the extra memory
return out;
}
void uiFree(void *p)
{
if (p == NULL)
return;
free(p);
}