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shuf: with -i LOW-HIGH, do not allow any argv's

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function                                             old     new   delta
shuf_main                                            436     441      +5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2021-08-23 15:52:34 +02:00
parent d59f539d57
commit 60f4843468
1 changed files with 3 additions and 0 deletions
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3
coreutils/shuf.c
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@ -92,6 +92,9 @@ int shuf_main(int argc, char **argv)
char *dash;
unsigned lo, hi;
if (argv[0])
bb_show_usage();
dash = strchr(opt_i_str, '-');
if (!dash) {
bb_error_msg_and_die("bad range '%s'", opt_i_str);