From: David Wasley <dlw@ucbvax.Berkeley.EDU>
Date: Wed, 18 Feb 1981 11:29:10 +0000 (-0800)
Subject: added null termination to command. DLW
X-Git-Tag: BSD-4_1_snap-Snapshot-Development~2250
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/a05d0553990114c89e4c12b26205d920947e2eb1

added null termination to command. DLW

SCCS-vsn: usr.bin/f77/libU77/system_.c 1.3
---

diff --git a/usr/src/usr.bin/f77/libU77/system_.c b/usr/src/usr.bin/f77/libU77/system_.c
index 06008b0db0..3c8be54d5c 100644
--- a/usr/src/usr.bin/f77/libU77/system_.c
+++ b/usr/src/usr.bin/f77/libU77/system_.c
@@ -1,5 +1,5 @@
 /*
-char id_system[] = "@(#)system_.c	1.2";
+char id_system[] = "@(#)system_.c	1.3";
  *
  * execute a unix command
  *
@@ -11,14 +11,19 @@ char id_system[] = "@(#)system_.c	1.2";
  */
 
 #include	"../libI77/fiodefs.h"
+#include	"../libI77/f_errno.h"
 
  
 long system_(s, n)
 char *s;
 long n;
 {
+	char buf[256];
 	int i;
 
+	if (n >= sizeof buf)
+		return(-(long)(errno=F_ERARG));
 	for (i = 0; i < MXUNIT; flush(i++)) ;
-	return((long)system(s));
+	g_char(s, n, buf);
+	return((long)system(buf));
 }