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authormike <mike@FreeBSD.org>2002-06-09 00:46:24 +0000
committermike <mike@FreeBSD.org>2002-06-09 00:46:24 +0000
commitd86e0bcc0c2ce3bcdccce735edeaacb42ef49a20 (patch)
treea60faf97caf5fd96dec0e80cc9446dfc5d7f52f7 /bin/realpath
parent016feefa33ac6baeb05fc237d397ead5ccf65d4a (diff)
downloadFreeBSD-src-d86e0bcc0c2ce3bcdccce735edeaacb42ef49a20.zip
FreeBSD-src-d86e0bcc0c2ce3bcdccce735edeaacb42ef49a20.tar.gz
Check the return value of getcwd() to avoid printf()ing a NULL. Mark
usage() as __dead2 to avoid a GCC warning. Spotted by: keramida
Diffstat (limited to 'bin/realpath')
-rw-r--r--bin/realpath/realpath.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/bin/realpath/realpath.c b/bin/realpath/realpath.c
index 2cd9e60..57cbb97 100644
--- a/bin/realpath/realpath.c
+++ b/bin/realpath/realpath.c
@@ -41,7 +41,7 @@ __FBSDID("$FreeBSD$");
#include <stdlib.h>
#include <unistd.h>
-static void usage(void);
+static void usage(void) __dead2;
int
main(int argc, char *argv[])
@@ -49,9 +49,10 @@ main(int argc, char *argv[])
char buf[PATH_MAX];
char *p;
- if (argc == 1)
- p = getcwd(NULL, 0);
- else if (argc == 2) {
+ if (argc == 1) {
+ if ((p = getcwd(NULL, 0)) == NULL)
+ err(1, "getcwd()");
+ } else if (argc == 2) {
if ((p = realpath(argv[1], buf)) == NULL)
err(1, "%s", argv[1]);
} else
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