diff options
author | peter <peter@FreeBSD.org> | 1995-10-28 18:51:33 +0000 |
---|---|---|
committer | peter <peter@FreeBSD.org> | 1995-10-28 18:51:33 +0000 |
commit | 72fa7ec057bc2d7930e60d59f3936afe1de4bc11 (patch) | |
tree | f917c4d092ab7f07578aa4ed130670f8318a80e7 /gnu/usr.bin/diff/xmalloc.c | |
parent | 563e4a17a436fd50aa0bba32d08c6aca09b6673b (diff) | |
parent | 27378b5694b4941bb63a62097f7ee523da0a35bb (diff) | |
download | FreeBSD-src-72fa7ec057bc2d7930e60d59f3936afe1de4bc11.zip FreeBSD-src-72fa7ec057bc2d7930e60d59f3936afe1de4bc11.tar.gz |
This commit was generated by cvs2svn to compensate for changes in r11884,
which included commits to RCS files with non-trunk default branches.
Diffstat (limited to 'gnu/usr.bin/diff/xmalloc.c')
-rw-r--r-- | gnu/usr.bin/diff/xmalloc.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/gnu/usr.bin/diff/xmalloc.c b/gnu/usr.bin/diff/xmalloc.c new file mode 100644 index 0000000..dc44ba4 --- /dev/null +++ b/gnu/usr.bin/diff/xmalloc.c @@ -0,0 +1,81 @@ +/* xmalloc.c -- malloc with out of memory checking + Copyright (C) 1990, 1991, 1993 Free Software Foundation, Inc. + + 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#if __STDC__ +#define VOID void +#else +#define VOID char +#endif + +#include <sys/types.h> + +#if STDC_HEADERS +#include <stdlib.h> +#else +VOID *malloc (); +VOID *realloc (); +void free (); +#endif + +#if __STDC__ && defined (HAVE_VPRINTF) +void error (int, int, char const *, ...); +#else +void error (); +#endif + +/* Allocate N bytes of memory dynamically, with error checking. */ + +VOID * +xmalloc (n) + size_t n; +{ + VOID *p; + + p = malloc (n); + if (p == 0) + /* Must exit with 2 for `cmp'. */ + error (2, 0, "memory exhausted"); + return p; +} + +/* Change the size of an allocated block of memory P to N bytes, + with error checking. + If P is NULL, run xmalloc. + If N is 0, run free and return NULL. */ + +VOID * +xrealloc (p, n) + VOID *p; + size_t n; +{ + if (p == 0) + return xmalloc (n); + if (n == 0) + { + free (p); + return 0; + } + p = realloc (p, n); + if (p == 0) + /* Must exit with 2 for `cmp'. */ + error (2, 0, "memory exhausted"); + return p; +} |