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Diffstat (limited to 'src/shutdown/shutdown.c')
| -rw-r--r-- | src/shutdown/shutdown.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/shutdown/shutdown.c b/src/shutdown/shutdown.c index 42111d2772..5dee1b3a92 100644 --- a/src/shutdown/shutdown.c +++ b/src/shutdown/shutdown.c @@ -75,6 +75,10 @@ static int parse_argv(int argc, char *argv[]) { assert(argc >= 1); assert(argv); + /* Resetting to 0 forces the invocation of an internal initialization routine of getopt_long() + * that checks for GNU extensions in optstring ('-' or '+' at the beginning). */ + optind = 0; + /* "-" prevents getopt from permuting argv[] and moving the verb away * from argv[1]. Our interface to initrd promises it'll be there. */ while ((c = getopt_long(argc, argv, "-", options, NULL)) >= 0) |