From 8e209c3787f3b7d7bda3915afc6df0604b60707c Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Mon, 6 Aug 2007 12:28:24 +0000 Subject: [PATCH] catv: catv without arguments was trying to use environ as argv. (Alex Landau ) --- coreutils/catv.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/coreutils/catv.c b/coreutils/catv.c index 876b67a2a..0ca73a0c9 100644 --- a/coreutils/catv.c +++ b/coreutils/catv.c @@ -15,7 +15,8 @@ int catv_main(int argc, char **argv); int catv_main(int argc, char **argv) { - int retval = EXIT_SUCCESS, fd; + int retval = EXIT_SUCCESS; + int fd; unsigned flags; flags = getopt32(argc, argv, "etv"); @@ -27,8 +28,10 @@ int catv_main(int argc, char **argv) /* Read from stdin if there's nothing else to do. */ fd = 0; - if (!argv[0]) + if (!argv[0]) { + argv--; goto jump_in; + } do { fd = open_or_warn(*argv, O_RDONLY); if (fd < 0) { @@ -46,7 +49,7 @@ int catv_main(int argc, char **argv) if (res < 1) break; for (i = 0; i < res; i++) { - char c = read_buf[i]; + unsigned char c = read_buf[i]; if (c > 126 && (flags & CATV_OPT_v)) { if (c == 127) { -- 2.25.1