diff options
Diffstat (limited to 'usr.bin/gzip')
| -rw-r--r-- | usr.bin/gzip/unpack.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/usr.bin/gzip/unpack.c b/usr.bin/gzip/unpack.c index aa14800..cc717a6 100644 --- a/usr.bin/gzip/unpack.c +++ b/usr.bin/gzip/unpack.c @@ -312,7 +312,14 @@ unpack(int in, int out, char *pre, size_t prelen, off_t *bytes_in) { unpack_descriptor_t unpackd; - unpack_parse_header(dup(in), dup(out), pre, prelen, bytes_in, &unpackd); + in = dup(in); + if (in == -1) + maybe_err("dup"); + out = dup(out); + if (out == -1) + maybe_err("dup"); + + unpack_parse_header(in, out, pre, prelen, bytes_in, &unpackd); unpack_decode(&unpackd, bytes_in); unpack_descriptor_fini(&unpackd); |
