diff options
Diffstat (limited to 'usr.bin/biff/biff.c')
| -rw-r--r-- | usr.bin/biff/biff.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/usr.bin/biff/biff.c b/usr.bin/biff/biff.c index 8d816bf..0c5fd33 100644 --- a/usr.bin/biff/biff.c +++ b/usr.bin/biff/biff.c @@ -38,20 +38,22 @@ static char copyright[] = #endif /* not lint */ #ifndef lint -static char sccsid[] = "@(#)biff.c 8.1 (Berkeley) 6/6/93"; +static char sccsid[] = "@(#)biff.c 8.2 (Berkeley) 4/29/95"; #endif /* not lint */ #include <sys/types.h> #include <sys/stat.h> + +#include <err.h> #include <errno.h> -#include <unistd.h> #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <unistd.h> static void usage __P((void)); -static void err __P((char *)); +int main(argc, argv) int argc; char *argv[]; @@ -60,7 +62,6 @@ main(argc, argv) int ch; char *name; - while ((ch = getopt(argc, argv, "")) != EOF) switch(ch) { case '?': @@ -70,13 +71,11 @@ main(argc, argv) argc -= optind; argv += optind; - if ((name = ttyname(STDERR_FILENO)) == NULL) { - (void)fprintf(stderr, "biff: unknown tty\n"); - exit(2); - } + if ((name = ttyname(STDERR_FILENO)) == NULL) + err(2, "tty"); if (stat(name, &sb)) - err(name); + err(2, "stat"); if (*argv == NULL) { (void)printf("is %s\n", sb.st_mode&0100 ? "y" : "n"); @@ -86,11 +85,11 @@ main(argc, argv) switch(argv[0][0]) { case 'n': if (chmod(name, sb.st_mode & ~0100) < 0) - err(name); + err(2, name); break; case 'y': if (chmod(name, sb.st_mode | 0100) < 0) - err(name); + err(2, name); break; default: usage(); @@ -99,14 +98,6 @@ main(argc, argv) } static void -err(name) - char *name; -{ - (void)fprintf(stderr, "biff: %s: %s\n", name, strerror(errno)); - exit(2); -} - -static void usage() { (void)fprintf(stderr, "usage: biff [y | n]\n"); |
