From f431cd1a48a6a5186633bf5f16a2d21cb4399e8c Mon Sep 17 00:00:00 2001 From: P. J. McDermott Date: Thu, 09 Feb 2012 10:56:43 -0500 Subject: Initial commit. TODO: Copyright information. Including source code and a patch to add files generated by GNU Autoconf is not very pretty... Running 'make dist' in the SVN trunk to generate a source archive might be better. --- (limited to 'src/libbb/xfuncs.c') diff --git a/src/libbb/xfuncs.c b/src/libbb/xfuncs.c new file mode 100644 index 0000000..f577315 --- /dev/null +++ b/src/libbb/xfuncs.c @@ -0,0 +1,93 @@ +/* vi: set sw=4 ts=4: */ +/* + * Utility routines. + * + * Copyright (C) 1999,2000,2001 by Erik Andersen + * + * 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 2 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include "libbb.h" + + +extern void *xmalloc(size_t size) +{ + void *ptr = malloc(size); + if (ptr == NULL && size != 0) + perror_msg_and_die("malloc"); + return ptr; +} + +extern void *xrealloc(void *ptr, size_t size) +{ + ptr = realloc(ptr, size); + if (ptr == NULL && size != 0) + perror_msg_and_die("realloc"); + return ptr; +} + +extern void *xcalloc(size_t nmemb, size_t size) +{ + void *ptr = calloc(nmemb, size); + if (ptr == NULL && nmemb != 0 && size != 0) + perror_msg_and_die("calloc"); + return ptr; +} + +extern char * xstrdup (const char *s) { + char *t; + + if (s == NULL) + return NULL; + + t = strdup (s); + + if (t == NULL) + perror_msg_and_die("strdup"); + + return t; +} + +extern char * xstrndup (const char *s, int n) { + char *t; + + if (s == NULL) + error_msg_and_die("xstrndup bug"); + + t = xmalloc(++n); + + return safe_strncpy(t,s,n); +} + +FILE *xfopen(const char *path, const char *mode) +{ + FILE *fp; + if ((fp = fopen(path, mode)) == NULL) + perror_msg_and_die("%s", path); + return fp; +} + +/* END CODE */ +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ -- cgit v0.9.1