ubase

commit afc831a836d51a3e49a5b5230ce3b815bdb4b63d
parent a7dc139c3585f822384b9b7d24b821ff55f30e2f
Author: sin <sin@2f30.org>
Date:   Mon, 12 Aug 2013 10:11:55 +0100

Implement -L flag for stat(1)

Diffstat:
M
stat.c
 | 
13
++++++++++---

1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/stat.c b/stat.c
@@ -13,7 +13,7 @@ static void show_stat(const char *file, struct stat *st);
 static void
 usage(void)
 {
-	eprintf("usage: %s filename...\n", argv0);
+	eprintf("usage: %s [-L] filename...\n", argv0);
 }
 
 int
@@ -21,8 +21,13 @@ main(int argc, char *argv[])
 {
 	struct stat st;
 	int i, ret = 0;
+	int Lflag = 0;
+	int (*fn)(const char *, struct stat *);
 
 	ARGBEGIN {
+	case 'L':
+		Lflag = 1;
+		break;
 	default:
 		usage();
 	} ARGEND;
@@ -34,8 +39,10 @@ main(int argc, char *argv[])
 	}
 
 	for (i = 0; i < argc; i++) {
-		if (stat(argv[i], &st) == -1) {
-			fprintf(stderr, "stat %s: ", argv[i]);
+		fn = Lflag ? stat : lstat;
+		if (fn(argv[i], &st) == -1) {
+			fprintf(stderr, "%s %s: ", Lflag ? "stat" : "lstat",
+				argv[i]);
 			perror(NULL);
 			ret = 1;
 			continue;