- use EXIT_{SUCCESS,FAILURE}. No object-code changes

3 files changed, 8 insertions, 8 deletions

diff --git a/loginutils/getty.c b/loginutils/getty.c
index 5e16182..f022aec 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -423,7 +423,7 @@ static char *get_logname(char *logname, unsigned size_logname,
 			/* Do not report trivial EINTR/EIO errors. */
 			if (read(0, &c, 1) < 1) {
 				if (errno == EINTR || errno == EIO)
-					exit(0);
+					exit(EXIT_SUCCESS);
 				bb_perror_msg_and_die("%s: read", op->tty);
 			}
 
@@ -475,7 +475,7 @@ static char *get_logname(char *logname, unsigned size_logname,
 				}
 				break;
 			case CTL('D'):
-				exit(0);
+				exit(EXIT_SUCCESS);
 			default:
 				if (!isascii(ascval) || !isprint(ascval)) {
 					/* ignore garbage characters */
diff --git a/loginutils/login.c b/loginutils/login.c
index e8fe74e..900a7c0 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -130,7 +130,7 @@ static void die_if_nologin(void)
 		fclose(fp);
 	} else
 		puts("\r\nSystem closed for routine maintenance\r");
-	exit(1);
+	exit(EXIT_FAILURE);
 }
 #else
 static ALWAYS_INLINE void die_if_nologin(void) {}
@@ -178,18 +178,18 @@ static void get_username_or_die(char *buf, int size_buf)
 	/* skip whitespace */
 	do {
 		c = getchar();
-		if (c == EOF) exit(1);
+		if (c == EOF) exit(EXIT_FAILURE);
 		if (c == '\n') {
-			if (!--cntdown) exit(1);
+			if (!--cntdown) exit(EXIT_FAILURE);
 			goto prompt;
 		}
 	} while (isspace(c));
 
 	*buf++ = c;
 	if (!fgets(buf, size_buf-2, stdin))
-		exit(1);
+		exit(EXIT_FAILURE);
 	if (!strchr(buf, '\n'))
-		exit(1);
+		exit(EXIT_FAILURE);
 	while (isgraph(*buf)) buf++;
 	*buf = '\0';
 }
diff --git a/loginutils/vlock.c b/loginutils/vlock.c
index 96c1f67..3ce40dd 100644
--- a/loginutils/vlock.c
+++ b/loginutils/vlock.c
@@ -102,5 +102,5 @@ int vlock_main(int argc ATTRIBUTE_UNUSED, char **argv)
 
 	ioctl(STDIN_FILENO, VT_SETMODE, &ovtm);
 	tcsetattr(STDIN_FILENO, TCSANOW, &oterm);
-	fflush_stdout_and_exit(0);
+	fflush_stdout_and_exit(EXIT_SUCCESS);
 }