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Fix problem in strdup replacement when dealing with absolutely huge strings.

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This commit is contained in:
Yang Tse
2008-02-06 19:01:13 +00:00
parent bad6410d08
commit 20e9fc73e2
3 changed files with 11 additions and 2 deletions
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8
lib/strdup.c
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@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -27,13 +27,17 @@
#ifndef HAVE_STRDUP
char *curlx_strdup(const char *str)
{
int len;
size_t len;
char *newstr;
if(!str)
return (char *)NULL;
len = strlen(str);
if(len >= ((size_t)-1) / sizeof(char))
return (char *)NULL;
newstr = (char *) malloc((len+1)*sizeof(char));
if(!newstr)
return (char *)NULL;