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| author | Karel Zak | 2006-12-07 00:25:35 +0100 |
|---|---|---|
| committer | Karel Zak | 2006-12-07 00:25:35 +0100 |
| commit | 2b6fc908bc368b540845a313c3b8a867c5ad9a42 (patch) | |
| tree | 6fad48a239bc90515a5dc4084d6e3c3ee1f41e29 /misc-utils/write.c | |
| parent | Imported from util-linux-2.7.1 tarball. (diff) | |
| download | kernel-qcow2-util-linux-2b6fc908bc368b540845a313c3b8a867c5ad9a42.tar.gz kernel-qcow2-util-linux-2b6fc908bc368b540845a313c3b8a867c5ad9a42.tar.xz kernel-qcow2-util-linux-2b6fc908bc368b540845a313c3b8a867c5ad9a42.zip | |
Imported from util-linux-2.8 tarball.
Diffstat (limited to 'misc-utils/write.c')
| -rw-r--r-- | misc-utils/write.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/misc-utils/write.c b/misc-utils/write.c index 545404b48..e43b0bf9a 100644 --- a/misc-utils/write.c +++ b/misc-utils/write.c @@ -42,18 +42,6 @@ * - ANSIed it since I was working on it anyway. */ -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1989, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)write.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#define _GNU_SOURCE /* for snprintf */ - #include <unistd.h> #include <utmp.h> #include <ctype.h> @@ -276,7 +264,9 @@ int term_chk(char *tty, int *msgsokP, time_t *atimeP, int showerror) struct stat s; char path[MAXPATHLEN]; - (void)snprintf(path, sizeof(path), "/dev/%s", tty); + if (strlen(tty) + 6 > sizeof(path)) + return(1); + (void)sprintf(path, "/dev/%s", tty); if (stat(path, &s) < 0) { if (showerror) (void)fprintf(stderr, @@ -307,7 +297,9 @@ void do_write(char *tty, char *mytty, uid_t myuid) else login = "???"; - (void)snprintf(path, sizeof(path), "/dev/%s", tty); + if (strlen(tty) + 6 > sizeof(path)) + exit(1); + (void)sprintf(path, "/dev/%s", tty); if ((freopen(path, "w", stdout)) == NULL) { (void)fprintf(stderr, "write: %s: %s\n", path, strerror(errno)); exit(1); |