rpm/rpmio/rpmmalloc.c

66 lines
1.3 KiB
C

/** \ingroup rpmio
* \file rpmio/rpmmalloc.c
*/
#include "system.h"
#include "debug.h"
#if !defined(EXIT_FAILURE)
#define EXIT_FAILURE 1
#endif
/*@-modfilesys@*/
/*@only@*/ void *vmefail(size_t size)
{
fprintf(stderr, _("memory alloc (%u bytes) returned NULL.\n"), (unsigned)size);
exit(EXIT_FAILURE);
/*@notreached@*/
return NULL;
}
/*@=modfilesys@*/
#if !(HAVE_MCHECK_H && defined(__GNUC__))
/*@out@*/ /*@only@*/ void * xmalloc (size_t size)
{
register void *value;
if (size == 0) size++;
value = malloc (size);
if (value == 0)
value = vmefail(size);
return value;
}
/*@only@*/ void * xcalloc (size_t nmemb, size_t size)
{
register void *value;
if (size == 0) size++;
if (nmemb == 0) nmemb++;
value = calloc (nmemb, size);
if (value == 0)
value = vmefail(size);
return value;
}
/*@only@*/ void * xrealloc (/*@only@*/ void *ptr, size_t size)
{
register void *value;
if (size == 0) size++;
value = realloc (ptr, size);
if (value == 0)
value = vmefail(size);
return value;
}
/*@only@*/ char * xstrdup (const char *str)
{
size_t size = strlen(str) + 1;
char *newstr = (char *) malloc (size);
if (newstr == 0)
newstr = (char *) vmefail(size);
strcpy (newstr, str);
return newstr;
}
#endif /* !(HAVE_MCHECK_H && defined(__GNUC__)) */