diff options
Diffstat (limited to 'toys/lsb')
| -rw-r--r-- | toys/lsb/gzip.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/toys/lsb/gzip.c b/toys/lsb/gzip.c index 3038495e..049285af 100644 --- a/toys/lsb/gzip.c +++ b/toys/lsb/gzip.c @@ -78,6 +78,7 @@ static int do_deflate(int in_fd, int out_fd, int dd, int level) } if (!(gz = gzdopen(dd ? in_fd : out_fd, b))) perror_exit("gzdopen"); if (dd) { + if (gzdirect(gz)) error_exit("not gzip"); while ((len = gzread(gz, toybuf, sizeof(toybuf))) > 0) if (len != writeall(out_fd, toybuf, len)) break; } else { |