diff options
| -rw-r--r-- | coreutils/tr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/coreutils/tr.c b/coreutils/tr.c index e439fcb..28798fe 100644 --- a/coreutils/tr.c +++ b/coreutils/tr.c @@ -138,7 +138,7 @@ static unsigned int expand(const char *arg, char *buffer) arg += 3; /* skip CHAR=] */ continue; } - if (*arg != '-') { /* not [x-...] - copy verbatim */ + if (i == '\0' || *arg != '-') { /* not [x-...] - copy verbatim */ *buffer++ = '['; arg--; /* points to x */ continue; /* copy all, including eventual ']' */ |