Pass a filename, rather than a file descriptor, to libarchive.

Submitted by:	Alex Kozlov <spam@rm-rf.kiev.ua>
MFC after:	1 week

1 files changed, 5 insertions, 10 deletions

diff --git a/usr.bin/unzip/unzip.c b/usr.bin/unzip/unzip.c
index f3c6f9723bd0a..c43c72a5f0893 100644
--- a/usr.bin/unzip/unzip.c
+++ b/usr.bin/unzip/unzip.c
@@ -865,19 +865,14 @@ unzip(const char *fn)
 {
 	struct archive *a;
 	struct archive_entry *e;
-	int fd, ret;
+	int ret;
 	uintmax_t total_size, file_count, error_count;
 
-	if (strcmp(fn, "-") == 0)
-		fd = STDIN_FILENO;
-	else if ((fd = open(fn, O_RDONLY)) < 0)
-		error("%s", fn);
-
 	if ((a = archive_read_new()) == NULL)
 		error("archive_read_new failed");
 
 	ac(archive_read_support_format_zip(a));
-	ac(archive_read_open_fd(a, fd, 8192));
+	ac(archive_read_open_filename(a, fn, 8192));
 
 	if (!zipinfo_mode) {
 		if (!p_opt && !q_opt)
@@ -933,9 +928,6 @@ unzip(const char *fn)
 	ac(archive_read_close(a));
 	(void)archive_read_finish(a);
 
-	if (fd != STDIN_FILENO && close(fd) != 0)
-		error("%s", fn);
-
 	if (t_opt) {
 		if (error_count > 0) {
 			errorx("%d checksum error(s) found.", error_count);
@@ -1061,6 +1053,9 @@ main(int argc, char *argv[])
 		usage();
 	zipfile = argv[nopts++];
 
+	if (strcmp(zipfile, "-") == 0)
+		zipfile = NULL; /* STDIN */
+
 	while (nopts < argc && *argv[nopts] != '-')
 		add_pattern(&include, argv[nopts++]);