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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-08-06 12:28:24 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-08-06 12:28:24 +0000 |
| commit | 8e209c3787f3b7d7bda3915afc6df0604b60707c (patch) | |
| tree | 5704e9f6b237952d7793571b151899aceec32f84 /coreutils/catv.c | |
| parent | 73f21e9cb3aaa6f1643d2edc4f6abceda9a17834 (diff) | |
| download | busybox-8e209c3787f3b7d7bda3915afc6df0604b60707c.tar.gz | |
catv: catv without arguments was trying to use environ as argv.
(Alex Landau <landau_alex@yahoo.com>)
Diffstat (limited to 'coreutils/catv.c')
| -rw-r--r-- | coreutils/catv.c | 9 |
1 files 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) { |