From aa5c63cbe276ee4cb0e2f1113a790ed1d81b4d53 Mon Sep 17 00:00:00 2001
From: mycroft <mycroft@NetBSD.org>
Date: Sun, 24 Apr 1994 01:00:39 +0000
Subject: [PATCH] Print the name of the program using a deprecated syscall.

---
 lib/libc/compat-43/setregid.c | 15 ++++++++++++---
 lib/libc/compat-43/setreuid.c | 15 ++++++++++++---
 lib/libc/compat-43/setrgid.c  | 14 +++++++++++---
 lib/libc/compat-43/setruid.c  | 14 +++++++++++---
 4 files changed, 46 insertions(+), 12 deletions(-)

diff --git a/lib/libc/compat-43/setregid.c b/lib/libc/compat-43/setregid.c
index 9d02a8b133ec..37e4cf894ade 100644
--- a/lib/libc/compat-43/setregid.c
+++ b/lib/libc/compat-43/setregid.c
@@ -31,12 +31,13 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)kern_prot.c	7.21 (Berkeley) 5/3/91
- *	$Id: setregid.c,v 1.2 1994/04/10 06:32:42 cgd Exp $
+ *	$Id: setregid.c,v 1.3 1994/04/24 01:00:39 mycroft Exp $
  */
 
 #include <sys/types.h>
 #include <stdio.h>
 #include <unistd.h>
+#include <sys/uio.h>
 
 extern int __setregid __P((gid_t, gid_t));
 
@@ -46,11 +47,19 @@ setregid(rgid, egid)
 {
 	static int warned;
 	static char w[] =
-	    "warning: this program uses setregid(), which is deprecated.\r\n";
+	    ": warning: this program uses setregid(), which is deprecated.\r\n";
 
 	if (!warned) {
-		(void) write(STDERR_FILENO, w, sizeof(w) - 1);
+		struct iovec iov[2];
+		extern char *__progname;	/* in crt0 */
+
+		iov[0].iov_base = __progname;
+		iov[0].iov_len = strlen(__progname);
+		iov[1].iov_base = w;
+		iov[1].iov_len = strlen(w);
+		(void) writev(STDERR_FILENO, iov, 2);
 		warned = 1;
 	}
+
 	return (__setregid(rgid, egid));
 }
diff --git a/lib/libc/compat-43/setreuid.c b/lib/libc/compat-43/setreuid.c
index 90d06de66c30..ae4130d7693b 100644
--- a/lib/libc/compat-43/setreuid.c
+++ b/lib/libc/compat-43/setreuid.c
@@ -31,12 +31,13 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)kern_prot.c	7.21 (Berkeley) 5/3/91
- *	$Id: setreuid.c,v 1.2 1994/04/10 06:32:44 cgd Exp $
+ *	$Id: setreuid.c,v 1.3 1994/04/24 01:00:40 mycroft Exp $
  */
 
 #include <sys/types.h>
 #include <stdio.h>
 #include <unistd.h>
+#include <sys/uio.h>
 
 extern int __setreuid __P((uid_t, uid_t));
 
@@ -46,11 +47,19 @@ setreuid(ruid, euid)
 {
 	static int warned;
 	static char w[] =
-	    "warning: this program uses setreuid(), which is deprecated.\r\n";
+	    ": warning: this program uses setreuid(), which is deprecated.\r\n";
 
 	if (!warned) {
-		(void) write(STDERR_FILENO, w, sizeof(w) - 1);
+		struct iovec iov[2];
+		extern char *__progname;	/* in crt0 */
+
+		iov[0].iov_base = __progname;
+		iov[0].iov_len = strlen(__progname);
+		iov[1].iov_base = w;
+		iov[1].iov_len = strlen(w);
+		(void) writev(STDERR_FILENO, iov, 2);
 		warned = 1;
 	}
+
 	return (__setreuid(ruid, euid));
 }
diff --git a/lib/libc/compat-43/setrgid.c b/lib/libc/compat-43/setrgid.c
index 00395fd0d90d..97537071adaf 100644
--- a/lib/libc/compat-43/setrgid.c
+++ b/lib/libc/compat-43/setrgid.c
@@ -33,11 +33,12 @@
 
 #if defined(LIBC_SCCS) && !defined(lint)
 /*static char *sccsid = "from: @(#)setrgid.c	5.5 (Berkeley) 2/23/91";*/
-static char *rcsid = "$Id: setrgid.c,v 1.2 1994/04/10 06:32:46 cgd Exp $";
+static char *rcsid = "$Id: setrgid.c,v 1.3 1994/04/24 01:00:41 mycroft Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include <unistd.h>
+#include <sys/uio.h>
 
 int
 #ifdef __STDC__
@@ -49,10 +50,17 @@ setrgid(rgid)
 {
 	static int warned;
 	static char w[] =
-	    "warning: this program uses setrgid(), which is deprecated.\r\n";
+	    ": warning: this program uses setrgid(), which is deprecated.\r\n";
 
 	if (!warned) {
-		(void) write(STDERR_FILENO, w, sizeof(w) - 1);
+		struct iovec iov[2];
+		extern char *__progname;	/* in crt0 */
+
+		iov[0].iov_base = __progname;
+		iov[0].iov_len = strlen(__progname);
+		iov[1].iov_base = w;
+		iov[1].iov_len = strlen(w);
+		(void) writev(STDERR_FILENO, iov, 2);
 		warned = 1;
 	}
 
diff --git a/lib/libc/compat-43/setruid.c b/lib/libc/compat-43/setruid.c
index c2e41510dd39..0440045e75a9 100644
--- a/lib/libc/compat-43/setruid.c
+++ b/lib/libc/compat-43/setruid.c
@@ -33,11 +33,12 @@
 
 #if defined(LIBC_SCCS) && !defined(lint)
 /*static char *sccsid = "from: @(#)setruid.c	5.5 (Berkeley) 2/23/91";*/
-static char *rcsid = "$Id: setruid.c,v 1.3 1994/04/12 23:20:35 cgd Exp $";
+static char *rcsid = "$Id: setruid.c,v 1.4 1994/04/24 01:00:42 mycroft Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include <unistd.h>
+#include <sys/uio.h>
 
 int
 #ifdef __STDC__
@@ -49,10 +50,17 @@ setruid(ruid)
 {
 	static int warned;
 	static char w[] =
-	    "warning: this program uses setruid(), which is deprecated.\r\n";
+	    ": warning: this program uses setruid(), which is deprecated.\r\n";
 
 	if (!warned) {
-		(void) write(STDERR_FILENO, w, sizeof(w) - 1);
+		struct iovec iov[2];
+		extern char *__progname;	/* in crt0 */
+
+		iov[0].iov_base = __progname;
+		iov[0].iov_len = strlen(__progname);
+		iov[1].iov_base = w;
+		iov[1].iov_len = strlen(w);
+		(void) writev(STDERR_FILENO, iov, 2);
 		warned = 1;
 	}