1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <sys/types.h>
33 extern void *xmalloc(size_t size)
35 void *ptr = malloc(size);
36 if (ptr == NULL && size != 0)
37 error_msg_and_die(memory_exhausted);
41 extern void *xrealloc(void *ptr, size_t size)
43 ptr = realloc(ptr, size);
44 if (ptr == NULL && size != 0)
45 error_msg_and_die(memory_exhausted);
49 extern void *xcalloc(size_t nmemb, size_t size)
51 void *ptr = calloc(nmemb, size);
52 if (ptr == NULL && nmemb != 0 && size != 0)
53 error_msg_and_die(memory_exhausted);
57 extern char * xstrdup (const char *s) {
66 error_msg_and_die(memory_exhausted);
72 extern char * xstrndup (const char *s, int n) {
76 error_msg_and_die("xstrndup bug");
80 return safe_strncpy(t,s,n);
83 FILE *xfopen(const char *path, const char *mode)
86 if ((fp = fopen(path, mode)) == NULL)
87 perror_msg_and_die("%s", path);
91 extern int xopen(const char *pathname, int flags)
95 ret = open(pathname, flags, 0777);
97 perror_msg_and_die("%s", pathname);
102 extern ssize_t xread(int fd, void *buf, size_t count)
106 size = read(fd, buf, count);
108 perror_msg_and_die("Read error");
113 extern void xread_all(int fd, void *buf, size_t count)
117 size = xread(fd, buf, count);
119 error_msg_and_die("Short read");
124 extern unsigned char xread_char(int fd)
128 xread_all(fd, &tmp, 1);
133 /* Stupid gcc always includes its own builtin strlen()... */
135 size_t xstrlen(const char *string)
137 return(strlen(string));
143 c-file-style: "linux"