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xxd: allow "-" as file name meaning stdin

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2017-07-14 16:29:30 +02:00
parent 63214a68f1
commit 90678f0cd7
1 changed files with 6 additions and 4 deletions
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2
libbb/dump.c
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@ -339,11 +339,13 @@ static NOINLINE int next(priv_dumper_t *dumper)
if (fname) { if (fname) {
dumper->argv++; dumper->argv++;
if (NOT_LONE_DASH(fname)) {
if (!freopen(fname, "r", stdin)) { if (!freopen(fname, "r", stdin)) {
bb_simple_perror_msg(fname); bb_simple_perror_msg(fname);
dumper->exitval = 1; dumper->exitval = 1;
continue; continue;
} }
}
} else { } else {
if (dumper->next__done) if (dumper->next__done)
return 0; /* no next file */ return 0; /* no next file */