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(main): Avoid crash if argc is 1.

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This commit is contained in:
Richard M. Stallman 1994-05-17 19:12:55 +00:00
parent 8d11884310
commit d410d33931
1 changed files with 1 additions and 1 deletions
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2
lib-src/b2m.c
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@ -50,7 +50,7 @@ main (argc, argv)
(stdout)->_flag &= ~_IOTEXT;
(stdin)->_flag &= ~_IOTEXT;
#endif
if (strcmp (argv[1], "--help") == 0)
if (argc >= 2 && strcmp (argv[1], "--help") == 0)
{
fprintf (stderr, "Usage: %s <babylmailbox >unixmailbox\n", argv[0]);
exit (0);