mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-21 18:38:08 +01:00
c81cecf620
This prevents any of the private functions from being leaked out through the library interface (at least when compiling with a recent-enough gcc to support the visibility pragma).
138 lines
2.6 KiB
C
138 lines
2.6 KiB
C
/* 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;
|
|
}
|