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/* ISC license. */
#include <errno.h>
#include <stdlib.h>
#include <skalibs/sysdeps.h>
#include <skalibs/alloc.h>
#include "alloc-internal.h"
#ifdef DEBUG_ALLOC
# include "buffer.h"
# include "strerr2.h"
# include "lolstdio.h"
# define PLM(...) (bprintf(buffer_2, "%s: debug_alloc: ", PROG), bprintf(buffer_2, __VA_ARGS__), buffer_putflush(buffer_2, "\n", 1))
#endif
aligned_char_ref alloc (unsigned int n)
{
register aligned_char_ref p = n ? (aligned_char_ref)malloc(n) : (aligned_char_ref)alloc_0 ;
#ifdef DEBUG_ALLOC
static unsigned int counter = 0 ;
PLM("alloc(%u): %p. Allocated: %u", n, p, ++counter) ;
#endif
return p ;
}
void alloc_free (void *p)
{
register int e = errno ;
#ifdef DEBUG_ALLOC
static unsigned int counter = 0 ;
PLM("alloc_free(%p). Freed: %u", p, ++counter) ;
#endif
#ifndef SKALIBS_HASMALLOC0
if (p != alloc_0)
#endif
free(p) ;
errno = e ;
}
int alloc_realloc (aligned_char_ref *x, unsigned int n)
{
aligned_char_ref y = n ? (aligned_char_ref)realloc(*x, n) : (free(*x), alloc_0) ;
#ifdef DEBUG_ALLOC
PLM("alloc_realloc(&%p) -> new address = %p", *x, y) ;
#endif
if (!y) return 0 ;
*x = y ;
return 1 ;
}
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