-/* xutil.c - Various wrapper functions to abort on error.
- *
- * Copyright © 2009 Carl Worth
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see http://www.gnu.org/licenses/ .
- *
- * Author: Carl Worth <cworth@cworth.org>
- */
-
-#include "notmuch-private.h"
-
-#include <stdio.h>
-
-void *
-xcalloc (size_t nmemb, size_t size)
-{
- void *ret;
-
- ret = calloc (nmemb, size);
- if (ret == NULL) {
- fprintf (stderr, "Out of memory.\n");
- exit (1);
- }
-
- return ret;
-}
-
-void *
-xmalloc (size_t size)
-{
- void *ret;
-
- ret = malloc (size);
- if (ret == NULL) {
- fprintf (stderr, "Out of memory.\n");
- exit (1);
- }
-
- return ret;
-}
-
-void *
-xrealloc (void *ptr, size_t size)
-{
- void *ret;
-
- ret = realloc (ptr, size);
- if (ret == NULL) {
- fprintf (stderr, "Out of memory.\n");
- exit (1);
- }
-
- return ret;
-}
-
-char *
-xstrdup (const char *s)
-{
- char *ret;
-
- ret = strdup (s);
- if (ret == NULL) {
- fprintf (stderr, "Out of memory.\n");
- exit (1);
- }
-
- return ret;
-}
-
-char *
-xstrndup (const char *s, size_t n)
-{
- char *ret;
-
- if (strlen (s) <= n)
- n = strlen (s);
-
- ret = malloc (n + 1);
- if (ret == NULL) {
- fprintf (stderr, "Out of memory.\n");
- exit (1);
- }
- memcpy (ret, s, n);
- ret[n] = '\0';
-
- return ret;
-}
-
-void
-xregcomp (regex_t *preg, const char *regex, int cflags)
-{
- int rerr;
-
- rerr = regcomp (preg, regex, cflags);
- if (rerr) {
- size_t error_size = regerror (rerr, preg, NULL, 0);
- char *error = xmalloc (error_size);
-
- regerror (rerr, preg, error, error_size);
- fprintf (stderr, "Internal error: compiling regex %s: %s\n",
- regex, error);
- exit (1);
- }
-}
-
-int
-xregexec (const regex_t *preg, const char *string,
- size_t nmatch, regmatch_t pmatch[], int eflags)
-{
- unsigned int i;
- int rerr;
-
- rerr = regexec (preg, string, nmatch, pmatch, eflags);
- if (rerr)
- return rerr;
-
- for (i = 0; i < nmatch; i++) {
- if (pmatch[i].rm_so == -1) {
- fprintf (stderr, "Internal error: matching regex against %s:"
- "Sub-match %d not found\n",
- string, i);
- exit (1);
- }
- }
-
- return 0;
-}
projects / notmuch / commitdiff