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Check the return value of getcwd() to avoid printf()ing a NULL. Mark

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usage() as __dead2 to avoid a GCC warning.

Spotted by:	keramida
This commit is contained in:
Mike Barcroft 2002-06-09 00:46:24 +00:00
parent 60f9b09d26
commit f3a09c6c9b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=98057
1 changed files with 5 additions and 4 deletions
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9
bin/realpath/realpath.c
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@ -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