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#include <stdio.h>
#include <stdlib.h>
#include <string.h> /* strdup() */
#include "xmalloc.h"
#include "nls.h" /* _() */
#include "sundries.h" /* EX_SYSERR */
void (*at_die)(void) = NULL;
/* Fatal error. Print message and exit. */
void
die(int err, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
fprintf(stderr, "\n");
va_end(args);
if (at_die)
(*at_die)();
exit(err);
}
static void
die_if_null(void *t) {
if (t == NULL)
die(EX_SYSERR, _("not enough memory"));
}
void *
xmalloc (size_t size) {
void *t;
if (size == 0)
return NULL;
t = malloc(size);
die_if_null(t);
return t;
}
void *
xrealloc (void *p, size_t size) {
void *t;
t = realloc(p, size);
die_if_null(t);
return t;
}
char *
xstrdup (const char *s) {
char *t;
if (s == NULL)
return NULL;
t = strdup(s);
die_if_null(t);
return t;
}
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