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Sync from gnulib.

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This commit is contained in:
Paul Eggert
2004-11-17 23:09:12 +00:00
parent a18a5093f8
commit 0884570c4e
6 changed files with 57 additions and 17 deletions
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15
lib/realloc.c
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@@ -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 @@ 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);
}