From 832e8b7f9a7422b49453b7e389ec411d3037a50f Mon Sep 17 00:00:00 2001
From: nectar <nectar@FreeBSD.org>
Date: Sun, 16 Feb 2003 17:29:11 +0000
Subject: Eliminate 61 warnings emitted at WARNS=2 (leaving 53 to go). Only
 warnings that could be fixed without changing the generated object code and
 without restructuring the source code have been handled.

Reviewed by:	/sbin/md5
---
 lib/libc/gen/getgrouplist.c | 2 +-
 lib/libc/gen/getpwent.c     | 5 +----
 lib/libc/gen/sem.c          | 2 ++
 lib/libc/gen/semctl.c       | 2 ++
 lib/libc/gen/sysctl.c       | 3 +++
 lib/libc/gen/unvis.c        | 2 +-
 6 files changed, 10 insertions(+), 6 deletions(-)

(limited to 'lib/libc/gen')

diff --git a/lib/libc/gen/getgrouplist.c b/lib/libc/gen/getgrouplist.c
index 52ee620..40d55fc 100644
--- a/lib/libc/gen/getgrouplist.c
+++ b/lib/libc/gen/getgrouplist.c
@@ -69,7 +69,7 @@ getgrouplist(uname, agroup, groups, grpcnt)
 	 * Scan the group file to find additional groups.
 	 */
 	setgrent();
-	while (grp = getgrent()) {
+	while ((grp = getgrent()) != NULL) {
 		for (i = 0; i < ngroups; i++) {
 			if (grp->gr_gid == groups[i])
 				goto skip;
diff --git a/lib/libc/gen/getpwent.c b/lib/libc/gen/getpwent.c
index a3bfed8..cf7c644 100644
--- a/lib/libc/gen/getpwent.c
+++ b/lib/libc/gen/getpwent.c
@@ -52,6 +52,7 @@ __FBSDID("$FreeBSD$");
 #include <string.h>
 #include <limits.h>
 #include <nsswitch.h>
+#include <netdb.h>
 #ifdef HESIOD
 #include <hesiod.h>
 #endif
@@ -64,10 +65,6 @@ __FBSDID("$FreeBSD$");
 #endif
 #include "un-namespace.h"
 
-extern void setnetgrent(char *);
-extern int getnetgrent(char **, char **, char **);
-extern int innetgr(const char *, const char *, const char *, const char *);
-
 #include "pw_scan.h"
 
 #if defined(YP) || defined(HESIOD)
diff --git a/lib/libc/gen/sem.c b/lib/libc/gen/sem.c
index d1cf10e..e37eccd 100644
--- a/lib/libc/gen/sem.c
+++ b/lib/libc/gen/sem.c
@@ -29,6 +29,7 @@
  * $FreeBSD$
  */
 
+#include "namespace.h"
 #include <stdlib.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -37,6 +38,7 @@
 #include <pthread.h>
 #include <sys/queue.h>
 #include <_semaphore.h>
+#include "un-namespace.h"
 
 #define _SEM_CHECK_VALIDITY(sem)		\
 	if ((*(sem))->magic != SEM_MAGIC) {	\
diff --git a/lib/libc/gen/semctl.c b/lib/libc/gen/semctl.c
index 0322743..4b5283f 100644
--- a/lib/libc/gen/semctl.c
+++ b/lib/libc/gen/semctl.c
@@ -35,6 +35,8 @@ __FBSDID("$FreeBSD$");
 #include <stdarg.h>
 #include <stdlib.h>
 
+extern int __semctl(int semid, int semnum, int cmd, union semun *arg);
+
 int semctl(int semid, int semnum, int cmd, ...)
 {
 	va_list ap;
diff --git a/lib/libc/gen/sysctl.c b/lib/libc/gen/sysctl.c
index ad39ff6..525175a1 100644
--- a/lib/libc/gen/sysctl.c
+++ b/lib/libc/gen/sysctl.c
@@ -47,6 +47,9 @@ __FBSDID("$FreeBSD$");
 #include <unistd.h>
 #include <string.h>
 
+extern int __sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp,
+    void *newp, size_t newlen);
+
 int
 sysctl(name, namelen, oldp, oldlenp, newp, newlen)
 	int *name;
diff --git a/lib/libc/gen/unvis.c b/lib/libc/gen/unvis.c
index df6b18f..94a6726 100644
--- a/lib/libc/gen/unvis.c
+++ b/lib/libc/gen/unvis.c
@@ -56,7 +56,7 @@ __FBSDID("$FreeBSD$");
 #define	S_HTTP		0x080	/* %HEXHEX escape */
 
 #define	isoctal(c)	(((u_char)(c)) >= '0' && ((u_char)(c)) <= '7')
-#define	ishex(c)	(((u_char)(c)) >= '0' && ((u_char)(c)) <= '9' || ((u_char)(c)) >= 'a' && ((u_char)(c)) <= 'f')
+#define	ishex(c)	((((u_char)(c)) >= '0' && ((u_char)(c)) <= '9') || (((u_char)(c)) >= 'a' && ((u_char)(c)) <= 'f'))
 
 /*
  * unvis - decode characters previously encoded by vis
-- 
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