ubase

commit 9e8a7ac61652d4cbe393701f1e15ee77c79a3466
parent f088b12877dec209eb7e02cf42b2761ed52d984e
Author: sin <sin@2f30.org>
Date:   Fri, 16 Aug 2013 15:51:37 +0100

Check return value of sysinfo()

Diffstat:
M
free.c
 | 
3
++-
M
ps.c
 | 
3
++-
M
uptime.c
 | 
3
++-

3 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/free.c b/free.c
@@ -24,7 +24,8 @@ main(int argc, char *argv[])
 {
 	struct sysinfo info;
 
-	sysinfo(&info);
+	if (sysinfo(&info) < 0)
+		eprintf("sysinfo:");
 	mem_unit = info.mem_unit ? info.mem_unit : 1;
 
 	ARGBEGIN {
diff --git a/ps.c b/ps.c
@@ -122,7 +122,8 @@ psout(struct procstat *ps)
 		if (errno || !pw)
 			eprintf("getpwuid %d:", puid);
 
-		sysinfo(&info);
+		if (sysinfo(&info) < 0)
+			eprintf("sysinfo:");
 		start = time(NULL) - info.uptime;
 		start += (ps->starttime / sysconf(_SC_CLK_TCK));
 		tm = localtime(&start);
diff --git a/uptime.c b/uptime.c
@@ -29,7 +29,8 @@ main(int argc, char *argv[])
 		usage();
 	} ARGEND;
 
-	sysinfo(&info);
+	if (sysinfo(&info) < 0)
+		eprintf("sysinfo:");
 	time(&tmptime);
 	now = localtime(&tmptime);
 	printf(" %02d:%02d:%02d up ", now->tm_hour, now->tm_min, now->tm_sec);