od: fix -tx without length spec

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/coreutils/od_bloaty.c b/coreutils/od_bloaty.c
index 0c4740b47cfefcabfb75eb8636b65b248f89d95e..6a532fa9daeb70e6a68b1007175d3453e43b4b6a 100644 (file)
--- a/coreutils/od_bloaty.c
+++ b/coreutils/od_bloaty.c
@@ -545,7 +545,8 @@ decode_one_format(const char *s_orig, const char *s, struct tspec *tspec)
 
                c = *s++;
                p = strchr(CSIL, *s);
-               if (!p) {
+               /* if *s == NUL, p != NULL! Testcase: "od -tx" */
+               if (!p || *p == '\0') {
                        size = sizeof(int);
                        if (isdigit(s[0])) {
                                size = bb_strtou(s, &end, 0);