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| author | Glenn L McGrath <bug1@ihug.co.nz> | 2002-09-27 06:46:02 +0000 |
|---|---|---|
| committer | Glenn L McGrath <bug1@ihug.co.nz> | 2002-09-27 06:46:02 +0000 |
| commit | 2e41d0cb777e6af086b45555551780e02ad13f46 (patch) | |
| tree | a53d807aeb25003e5a8ea22461079a10b5238e4d /archival/libunarchive/check_header_gzip.c | |
| parent | a47a3eada6ada1168205f6684e5c5a5c23d3558b (diff) | |
| download | busybox-2e41d0cb777e6af086b45555551780e02ad13f46.tar.gz | |
Fix compress support and prevent a segfault
Diffstat (limited to 'archival/libunarchive/check_header_gzip.c')
| -rw-r--r-- | archival/libunarchive/check_header_gzip.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/archival/libunarchive/check_header_gzip.c b/archival/libunarchive/check_header_gzip.c index 508d30924..e8bb8d547 100644 --- a/archival/libunarchive/check_header_gzip.c +++ b/archival/libunarchive/check_header_gzip.c @@ -5,9 +5,8 @@ extern void check_header_gzip(int src_fd) { union { - unsigned char raw[10]; + unsigned char raw[8]; struct { - unsigned char magic[2]; unsigned char method; unsigned char flags; unsigned int mtime; @@ -16,13 +15,7 @@ extern void check_header_gzip(int src_fd) } formated; } header; - xread_all(src_fd, header.raw, 10); - - /* Magic header for gzip files, 1F 8B = \037\213 */ - if ((header.formated.magic[0] != 0x1F) - || (header.formated.magic[1] != 0x8b)) { - error_msg_and_die("Invalid gzip magic"); - } + xread_all(src_fd, header.raw, 8); /* Check the compression method */ if (header.formated.method != 8) { |