X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Frealloc.c;h=14fec075f7006a8165dfd0bacad96ee39a2fe682;hb=e57dfac3355164cfbfcb5473a42130dab793fe9f;hp=5c94a0a25c67af5a461db5274291b4204495aa3b;hpb=92295bc4b2a378893386efd3cf8cf9bc31024b59;p=gnulib.git diff --git a/lib/realloc.c b/lib/realloc.c index 5c94a0a25..14fec075f 100644 --- 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 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 @@ -22,23 +22,25 @@ #endif #undef realloc -#include - -char *malloc (); -char *realloc (); +#include /* Change the size of an allocated block of memory P to N bytes, with error checking. If N is zero, change it to 1. If P is NULL, use malloc. */ -char * -rpl_realloc (p, n) - char *p; - size_t n; +void * +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); }