From: Richard M. Stallman <rms@gnu.org>
Date: Sat, 28 Jun 1997 23:45:26 +0000 (+0000)
Subject: (Fcall_process): Avoid storing alloca result
X-Git-Tag: emacs-20.1~1457
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=67b50bf76ae18dab78366ab13e12eab001dd9df4;p=emacs.git

(Fcall_process): Avoid storing alloca result
directly into array element.
---

diff --git a/src/callproc.c b/src/callproc.c
index e90423e4dbe..0de906c5879 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -391,8 +391,10 @@ If you quit, the process is killed with SIGINT, or SIGKILL if you quit again.")
 	    int size = encoding_buffer_size (&argument_coding,
 					     XSTRING (args[i])->size);
 	    int produced, dummy;
+	    unsigned char *dummy = (unsigned char *) alloca (size);
 
-	    new_argv[i - 3] = (unsigned char *) alloca (size);
+	    /* The Irix 4.0 compiler barfs if we eliminate dummy.  */
+	    new_argv[i - 3] = dummy;
 	    produced = encode_coding (&argument_coding,
 				      XSTRING (args[i])->data, new_argv[i - 3],
 				      XSTRING (args[i])->size, size, &dummy);