Mercurial > hg > octave-nkf > gnulib-hg
changeset 5462:5ebd8ce9b57f
(rpl_realloc): Call 'free' if n==0, since realloc might fail.
Problem reported by Yoann Vandoorselaere.
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Wed, 17 Nov 2004 22:48:23 +0000 |
parents | b195039b9848 |
children | 8044da4f6750 |
files | lib/realloc.c |
diffstat | 1 files changed, 11 insertions(+), 4 deletions(-) [+] |
line wrap: on
line diff
--- a/lib/realloc.c +++ b/lib/realloc.c @@ -1,5 +1,5 @@ -/* Work around bug on some systems where realloc (NULL, 0) fails. - Copyright (C) 1997, 2003 Free Software Foundation, Inc. +/* realloc() function that is glibc compatible. + Copyright (C) 1997, 2003, 2004 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 @@ -32,8 +32,15 @@ rpl_realloc (void *p, size_t n) { if (n == 0) - n = 1; - if (p == 0) + { + n = 1; + + /* In theory realloc might fail, so don't rely on it to free. */ + free (p); + p = NULL; + } + + if (p == NULL) return malloc (n); return realloc (p, n); }