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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-29 22:51:25 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-29 22:51:25 +0000
commitb6aae0f38194cd39960a898606ee65d4be93a895 (patch)
treeb73c92aefaf614291a71d05e9d28ca68f4ef021b /init/mesg.c
parenta41fdf331af344ecd3ec230a072857ea197e1890 (diff)
downloadbusybox-b6aae0f38194cd39960a898606ee65d4be93a895.tar.gz
busybox-b6aae0f38194cd39960a898606ee65d4be93a895.tar.bz2
preparatory patch for -Wwrite-strings #2
Diffstat (limited to 'init/mesg.c')
-rw-r--r--init/mesg.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/init/mesg.c b/init/mesg.c
index 7e47644c3..658c82447 100644
--- a/init/mesg.c
+++ b/init/mesg.c
@@ -8,8 +8,6 @@
*/
#include "busybox.h"
-#include <unistd.h>
-#include <stdlib.h>
#ifdef USE_TTY_GROUP
#define S_IWGRP_OR_S_IWOTH S_IWGRP
@@ -20,24 +18,24 @@
int mesg_main(int argc, char *argv[])
{
struct stat sb;
- char *tty;
+ const char *tty;
char c = 0;
- if ((--argc == 0)
- || ((argc == 1) && (((c = **++argv) == 'y') || (c == 'n')))) {
- if ((tty = ttyname(STDERR_FILENO)) == NULL) {
+ if (--argc == 0
+ || (argc == 1 && ((c = **++argv) == 'y' || c == 'n'))
+ ) {
+ tty = ttyname(STDERR_FILENO);
+ if (tty == NULL) {
tty = "ttyname";
} else if (stat(tty, &sb) == 0) {
+ mode_t m;
if (argc == 0) {
- puts(((sb.st_mode & (S_IWGRP | S_IWOTH)) ==
- 0) ? "is n" : "is y");
+ puts((sb.st_mode & (S_IWGRP|S_IWOTH)) ? "is y" : "is n");
return EXIT_SUCCESS;
}
- if (chmod
- (tty,
- (c ==
- 'y') ? sb.st_mode | (S_IWGRP_OR_S_IWOTH) : sb.
- st_mode & ~(S_IWGRP | S_IWOTH)) == 0) {
+ m = (c == 'y') ? sb.st_mode | S_IWGRP_OR_S_IWOTH
+ : sb.st_mode & ~(S_IWGRP|S_IWOTH);
+ if (chmod(tty, m) == 0) {
return EXIT_SUCCESS;
}
}