Date: Mon, 04 Dec 2000 01:48:35 -0500 (EST) From: Mike Heffner <mheffner@vt.edu> To: FreeBSD-audit <FreeBSD-audit@freebsd.org> Subject: cursor patch Message-ID: <XFMail.20001204014835.mheffner@vt.edu>
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This fixes the overflow on the -d option of cursor(1).
Index: cursor.c
===================================================================
RCS file: /home/ncvs/src/usr.sbin/pcvt/cursor/cursor.c,v
retrieving revision 1.7
diff -u -r1.7 cursor.c
--- cursor.c 1999/01/01 08:31:55 1.7
+++ cursor.c 2000/12/04 06:44:15
@@ -45,6 +45,7 @@
*---------------------------------------------------------------------------*/
#include <stdio.h>
+#include <err.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <machine/pcvt_ioctl.h>
@@ -104,29 +105,15 @@
fd = DEFAULTFD;
}
else
- {
if((fd = open(device, O_RDWR)) == -1)
- {
- char buffer[80];
- strcpy(buffer,"ERROR opening ");
- strcat(buffer,device);
- perror(buffer);
- exit(1);
- }
- }
+ err(1, "ERROR opening %s", device);
if(screen == -1)
{
struct stat stat;
if((fstat(fd, &stat)) == -1)
- {
- char buffer[80];
- strcpy(buffer,"ERROR opening ");
- strcat(buffer,device);
- perror(buffer);
- exit(1);
- }
+ err(1, "ERROR opening %s", device);
screen = minor(stat.st_rdev);
}
@@ -136,10 +123,7 @@
cursorshape.screen_no = screen;
if(ioctl(fd, VGACURSOR, &cursorshape) == -1)
- {
- perror("cursor - ioctl VGACURSOR failed, error");
- exit(1);
- }
+ err(1, "cursor - ioctl VGACURSOR failed, error");
else
exit(0);
}
--
Mike Heffner <mheffner@vt.edu>
Blacksburg, VA ICQ# 882073
http://my.ispchannel.com/~mheffner
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