* src/grpconv.c: Use a bool when possible instead of int integers.

* src/grpconv.c: Add brackets and parenthesis.
	* src/grpconv.c: Ignore return value of setlocale(),
	bindtextdomain(), and textdomain().
	* src/grpconv.c: Avoid implicit conversion of pointers / integers
	to booleans.

ChangeLog

@@ -1,3 +1,12 @@
+2008-06-10  Nicolas François  <nicolas.francois@centraliens.net>
+
+	* src/grpconv.c: Use a bool when possible instead of int integers.
+	* src/grpconv.c: Add brackets and parenthesis.
+	* src/grpconv.c: Ignore return value of setlocale(),
+	bindtextdomain(), and textdomain().
+	* src/grpconv.c: Avoid implicit conversion of pointers / integers
+	to booleans.
+
 2008-06-10  Nicolas François  <nicolas.francois@centraliens.net>
 
 	* src/faillog.c: Use a bool when possible instead of int integers.

src/grpconv.c

@@ -53,18 +53,20 @@
 /*
  * Global variables
  */
-static int group_locked = 0;
+static bool group_locked   = false;
-static int gshadow_locked = 0;
+static bool gshadow_locked = false;
 
 /* local function prototypes */
 static void fail_exit (int);
 
 static void fail_exit (int status)
 {
-	if (group_locked)
+	if (group_locked) {
 		gr_unlock ();
-	if (gshadow_locked)
+	}
+	if (gshadow_locked) {
 		sgr_unlock ();
+	}
 	exit (status);
 }
 
@@ -76,26 +78,26 @@ int main (int argc, char **argv)
 	struct sgrp sgent;
 	char *Prog = argv[0];
 
-	setlocale (LC_ALL, "");
+	(void) setlocale (LC_ALL, "");
-	bindtextdomain (PACKAGE, LOCALEDIR);
+	(void) bindtextdomain (PACKAGE, LOCALEDIR);
-	textdomain (PACKAGE);
+	(void) textdomain (PACKAGE);
 
-	if (!gr_lock ()) {
+	if (gr_lock () == 0) {
 		fprintf (stderr, _("%s: can't lock group file\n"), Prog);
 		fail_exit (5);
 	}
-	group_locked++;
+	group_locked = true;
-	if (!gr_open (O_RDWR)) {
+	if (gr_open (O_RDWR) == 0) {
 		fprintf (stderr, _("%s: can't open group file\n"), Prog);
 		fail_exit (1);
 	}
 
-	if (!sgr_lock ()) {
+	if (sgr_lock () == 0) {
 		fprintf (stderr, _("%s: can't lock shadow group file\n"), Prog);
 		fail_exit (5);
 	}
-	gshadow_locked++;
+	gshadow_locked = true;
-	if (!sgr_open (O_CREAT | O_RDWR)) {
+	if (sgr_open (O_CREAT | O_RDWR) == 0) {
 		fprintf (stderr, _("%s: can't open shadow group file\n"), Prog);
 		fail_exit (1);
 	}
@@ -104,11 +106,12 @@ int main (int argc, char **argv)
 	 * Remove /etc/gshadow entries for groups not in /etc/group.
 	 */
 	sgr_rewind ();
-	while ((sg = sgr_next ())) {
+	while ((sg = sgr_next ()) != NULL) {
-		if (gr_locate (sg->sg_name))
+		if (gr_locate (sg->sg_name) != NULL) {
 			continue;
+		}
 
-		if (!sgr_remove (sg->sg_name)) {
+		if (sgr_remove (sg->sg_name) == 0) {
 			/*
 			 * This shouldn't happen (the entry exists) but...
 			 */
@@ -124,9 +127,9 @@ int main (int argc, char **argv)
 	 * Add any missing shadow group entries.
 	 */
 	gr_rewind ();
-	while ((gr = gr_next ())) {
+	while ((gr = gr_next ()) != NULL) {
 		sg = sgr_locate (gr->gr_name);
-		if (sg) {
+		if (NULL != sg) {
 			/* update existing shadow group entry */
 			sgent = *sg;
 			if (strcmp (gr->gr_passwd, SHADOW_PASSWD_STRING) != 0)
@@ -148,7 +151,7 @@ int main (int argc, char **argv)
 		 */
 		sgent.sg_mem = gr->gr_mem;
 
-		if (!sgr_update (&sgent)) {
+		if (sgr_update (&sgent) == 0) {
 			fprintf (stderr,
 				 _
 				 ("%s: can't update shadow entry for %s\n"),
@@ -158,7 +161,7 @@ int main (int argc, char **argv)
 		/* remove password from /etc/group */
 		grent = *gr;
 		grent.gr_passwd = SHADOW_PASSWD_STRING;	/* XXX warning: const */
-		if (!gr_update (&grent)) {
+		if (gr_update (&grent) == 0) {
 			fprintf (stderr,
 				 _
 				 ("%s: can't update entry for group %s\n"),
@@ -167,12 +170,12 @@ int main (int argc, char **argv)
 		}
 	}
 
-	if (!sgr_close ()) {
+	if (sgr_close () == 0) {
 		fprintf (stderr, _("%s: can't update shadow group file\n"),
 			 Prog);
 		fail_exit (3);
 	}
-	if (!gr_close ()) {
+	if (gr_close () == 0) {
 		fprintf (stderr, _("%s: can't update group file\n"), Prog);
 		fail_exit (3);
 	}