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dirname: support --

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POSIX-2017 clarifies that -- and normal option parsing must be supported.
See EXAMPLES in basename(1p)

Signed-off-by: Mattias Andrée <maandree@kth.se>
This commit is contained in:
Mattias Andrée 2018-07-06 23:19:30 +02:00 committed by sin
parent 1d885159f2
commit 084b46ac51
1 changed files with 4 additions and 1 deletions
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dirname.c
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@ -13,7 +13,10 @@ usage(void)
int
main(int argc, char *argv[])
{
argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;
ARGBEGIN {
default:
usage();
} ARGEND
if (argc != 1)
usage();