diff options
Diffstat (limited to 'coreutils/tail.c')
| -rw-r--r-- | coreutils/tail.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/coreutils/tail.c b/coreutils/tail.c index 8e0adf5b5..10b5cd7a7 100644 --- a/coreutils/tail.c +++ b/coreutils/tail.c @@ -118,11 +118,10 @@ int tail_main(int argc, char **argv) const char *fmt; /* Allow legacy syntax of an initial numeric option without -n. */ - if ((argv[1][0] == '+') - || ((argv[1][0] == '-') + if (argc >=2 && ((argv[1][0] == '+') || ((argv[1][0] == '-') /* && (isdigit)(argv[1][1]) */ - && (((unsigned int)(argv[1][1] - '0')) <= 9)) - ) { + && (((unsigned int)(argv[1][1] - '0')) <= 9)))) + { optind = 2; optarg = argv[1]; goto GET_COUNT; |