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Realloc error handling memory leak fix.

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This commit is contained in:
Ulrich Drepper
2001-12-29 15:57:15 +00:00
parent 9403ec5d23
commit d1dddedf78
10 changed files with 100 additions and 50 deletions
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10
stdlib/canonicalize.c
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@@ -1,5 +1,5 @@
/* Return the canonical absolute name of a given file.
Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -122,6 +122,7 @@ canonicalize (const char *name, char *resolved)
if (dest + (end - start) >= rpath_limit)
{
ptrdiff_t dest_offset = dest - rpath;
char *new_rpath;
if (resolved)
{
@@ -136,10 +137,11 @@ canonicalize (const char *name, char *resolved)
new_size += end - start + 1;
else
new_size += path_max;
rpath = realloc (rpath, new_size);
new_rpath = (char *) realloc (rpath, new_size);
if (new_rpath == NULL)
goto error;
rpath = new_rpath;
rpath_limit = rpath + new_size;
if (rpath == NULL)
return NULL;
dest = rpath + dest_offset;
}