Replace alloca with xmalloc/free

	PR binutils/14526
	* argv.c (buildargv): Replace alloca with xmalloc/free.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@190766 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 8 insertions, 1 deletions

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 0b720e762d7..f06dcb52a66 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,8 @@
+2011-08-28  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR binutils/14526
+	* argv.c (buildargv): Replace alloca with xmalloc/free.
+
 2012-08-17  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* floatformat.c (floatformat_to_double): Correctly handle numbers
diff --git a/libiberty/argv.c b/libiberty/argv.c
index ca53f91493d..4cef3bc5b5b 100644
--- a/libiberty/argv.c
+++ b/libiberty/argv.c
@@ -191,7 +191,7 @@ char **buildargv (const char *input)
 
   if (input != NULL)
     {
-      copybuf = (char *) alloca (strlen (input) + 1);
+      copybuf = (char *) xmalloc (strlen (input) + 1);
       /* Is a do{}while to always execute the loop once.  Always return an
 	 argv, even for null strings.  See NOTES above, test case below. */
       do
@@ -297,6 +297,8 @@ char **buildargv (const char *input)
 	  consume_whitespace (&input);
 	}
       while (*input != EOS);
+
+      free (copybuf);
     }
   return (argv);
 }