From 44afbbeecef309c91bd7c32f0e72ea74063a7ce0 Mon Sep 17 00:00:00 2001
From: Chad Loder <cloder@cvs.openbsd.org>
Date: Tue, 18 Feb 2003 01:17:45 +0000
Subject: KNF and pedantification.  OK millert@

---
 usr.bin/nohup/nohup.c | 69 ++++++++++++++++++++++++++++-----------------------
 1 file changed, 38 insertions(+), 31 deletions(-)

(limited to 'usr.bin/nohup')

diff --git a/usr.bin/nohup/nohup.c b/usr.bin/nohup/nohup.c
index c9a19ae8f31..d5e9a055c54 100644
--- a/usr.bin/nohup/nohup.c
+++ b/usr.bin/nohup/nohup.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: nohup.c,v 1.10 2003/02/16 03:09:50 cloder Exp $	*/
+/*	$OpenBSD: nohup.c,v 1.11 2003/02/18 01:17:44 cloder Exp $	*/
 /*	$NetBSD: nohup.c,v 1.6 1995/08/31 23:35:25 jtc Exp $	*/
 
 /*
@@ -44,7 +44,7 @@ char copyright[] =
 #if 0
 static char sccsid[] = "@(#)nohup.c	5.4 (Berkeley) 6/1/90";
 #endif
-static char rcsid[] = "$OpenBSD: nohup.c,v 1.10 2003/02/16 03:09:50 cloder Exp $";
+static char rcsid[] = "$OpenBSD: nohup.c,v 1.11 2003/02/18 01:17:44 cloder Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -59,21 +59,34 @@ static char rcsid[] = "$OpenBSD: nohup.c,v 1.10 2003/02/16 03:09:50 cloder Exp $
 #include <errno.h>
 #include <err.h>
 
-static void dofile();
-static void usage();
+static void dofile(void);
+__dead static void usage(void);
 
-/* nohup shall exit with one of the following values:
-   126 - The utility was found but could not be invoked.
-   127 - An error occurred in the nohup utility, or the utility could
-         not be found. */
+/*
+ * nohup shall exit with one of the following values:
+ * 126 - The utility was found but could not be invoked.
+ * 127 - An error occurred in the nohup utility, or the utility could
+ *       not be found.
+ */
 #define EXIT_NOEXEC	126
 #define EXIT_NOTFOUND	127
 #define EXIT_MISC	127
 
+/*
+ * If the standard output is a terminal, all output written to
+ * its standard output shall be appended to the end of the file
+ * nohup.out in the current directory.  If nohup.out cannot be
+ * created or opened for appending, the output shall be appended
+ * to the end of the file nohup.out in the directory specified
+ * by the HOME environment variable.
+ *
+ * If a file is created, the file's permission bits shall be
+ * set to S_IRUSR | S_IWUSR.
+ */
+#define	FILENAME	"nohup.out"
+
 int
-main(argc, argv)
-	int argc;
-	char **argv;
+main(int argc, char *argv[])
 {
 	int exit_status;
 
@@ -88,8 +101,10 @@ main(argc, argv)
 		exit(EXIT_MISC);
 	}
 
-	/* The nohup utility shall take the standard action for all signals
-	   except that SIGHUP shall be ignored. */
+	/*
+	 * The nohup utility shall take the standard action for all signals
+	 * except that SIGHUP shall be ignored.
+	 */
 	(void)signal(SIGHUP, SIG_IGN);
 
 	execvp(argv[1], &argv[1]);
@@ -98,42 +113,34 @@ main(argc, argv)
 }
 
 static void
-dofile()
+dofile(void)
 {
 	int fd;
-	char *p, path[MAXPATHLEN];
-
-	/* If the standard output is a terminal, all output written to
-	   its standard output shall be appended to the end of the file
-	   nohup.out in the current directory.  If nohup.out cannot be
-	   created or opened for appending, the output shall be appended
-	   to the end of the file nohup.out in the directory specified
-	   by the HOME environment variable.
+	const char *p;
+	char path[MAXPATHLEN];
 
-	   If a file is created, the file's permission bits shall be
-	   set to S_IRUSR | S_IWUSR. */
-#define	FILENAME	"nohup.out"
 	p = FILENAME;
 	if ((fd = open(p, O_RDWR|O_CREAT|O_APPEND, S_IRUSR|S_IWUSR)) >= 0)
 		goto dupit;
 	if ((p = getenv("HOME")) != NULL && *p != '\0' &&
 	    (strlen(p) + strlen(FILENAME) + 1) < sizeof(path)) {
-		(void)strlcpy(path, p, sizeof path);
-		(void)strlcat(path, "/", sizeof path);
-		(void)strlcat(path, FILENAME, sizeof path);
+		(void)strlcpy(path, p, sizeof(path));
+		(void)strlcat(path, "/", sizeof(path));
+		(void)strlcat(path, FILENAME, sizeof(path));
 		if ((fd = open(p = path, O_RDWR|O_CREAT|O_APPEND, S_IRUSR|S_IWUSR)) >= 0)
 			goto dupit;
 	}
 	errx(EXIT_MISC, "can't open a nohup.out file");
 
-dupit:	(void)lseek(fd, 0, SEEK_END);
+dupit:
+	(void)lseek(fd, (off_t)0, SEEK_END);
 	if (dup2(fd, STDOUT_FILENO) == -1)
 		err(EXIT_MISC, NULL);
 	(void)fprintf(stderr, "sending output to %s\n", p);
 }
 
-static void
-usage()
+__dead static void
+usage(void)
 {
 	(void)fprintf(stderr, "usage: nohup command\n");
 	exit(EXIT_MISC);
-- 
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