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| author | bug1 <bug1@69ca8d6d-28ef-0310-b511-8ec308f3f277> | 2003-02-09 04:49:17 +0000 |
|---|---|---|
| committer | bug1 <bug1@69ca8d6d-28ef-0310-b511-8ec308f3f277> | 2003-02-09 04:49:17 +0000 |
| commit | 0fbb6fcc6b202ee79926295e193ec6dca4135f79 (patch) | |
| tree | 102e493da02976472b03095361b139bea020d394 | |
| parent | b37b2412ea33befe28b5c400a0e353bfb6bff415 (diff) | |
| download | busybox-w32-0fbb6fcc6b202ee79926295e193ec6dca4135f79.tar.gz busybox-w32-0fbb6fcc6b202ee79926295e193ec6dca4135f79.tar.bz2 busybox-w32-0fbb6fcc6b202ee79926295e193ec6dca4135f79.zip | |
Moved to libunarchive/unzip.c
git-svn-id: svn://busybox.net/trunk/busybox@6541 69ca8d6d-28ef-0310-b511-8ec308f3f277
| -rw-r--r-- | archival/libunarchive/check_trailer_gzip.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/archival/libunarchive/check_trailer_gzip.c b/archival/libunarchive/check_trailer_gzip.c deleted file mode 100644 index b30db71ae..000000000 --- a/archival/libunarchive/check_trailer_gzip.c +++ /dev/null | |||
| @@ -1,69 +0,0 @@ | |||
| 1 | /* vi: set sw=4 ts=4: */ | ||
| 2 | /* | ||
| 3 | * busybox gunzip trailing header handler | ||
| 4 | * Copyright Glenn McGrath 2002 | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or modify | ||
| 7 | * it under the terms of the GNU General Public License as published by | ||
| 8 | * the Free Software Foundation; either version 2 of the License, or | ||
| 9 | * (at your option) any later version. | ||
| 10 | * | ||
| 11 | * This program is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License | ||
| 17 | * along with this program; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
| 19 | */ | ||
| 20 | |||
| 21 | |||
| 22 | #include <sys/types.h> | ||
| 23 | #include <sys/wait.h> | ||
| 24 | #include <signal.h> | ||
| 25 | #include <stdlib.h> | ||
| 26 | #include <string.h> | ||
| 27 | #include <unistd.h> | ||
| 28 | #include <fcntl.h> | ||
| 29 | #include "config.h" | ||
| 30 | #include "busybox.h" | ||
| 31 | #include "unarchive.h" | ||
| 32 | |||
| 33 | extern unsigned int gunzip_crc; | ||
| 34 | extern unsigned int gunzip_bytes_out; | ||
| 35 | extern unsigned char *bytebuffer; | ||
| 36 | extern unsigned short bytebuffer_offset; | ||
| 37 | extern unsigned short bytebuffer_size; | ||
| 38 | //extern unsigned char *gunzip_in_buffer; | ||
| 39 | //extern unsigned char gunzip_in_buffer_count; | ||
| 40 | |||
| 41 | extern void check_trailer_gzip(int src_fd) | ||
| 42 | { | ||
| 43 | unsigned int stored_crc = 0; | ||
| 44 | unsigned char count; | ||
| 45 | |||
| 46 | /* top up the input buffer with the rest of the trailer */ | ||
| 47 | count = bytebuffer_size - bytebuffer_offset; | ||
| 48 | if (count < 8) { | ||
| 49 | xread_all(src_fd, &bytebuffer[bytebuffer_size], 8 - count); | ||
| 50 | bytebuffer_size += 8 - count; | ||
| 51 | } | ||
| 52 | for (count = 0; count != 4; count++) { | ||
| 53 | stored_crc |= (bytebuffer[bytebuffer_offset] << (count * 8)); | ||
| 54 | bytebuffer_offset++; | ||
| 55 | } | ||
| 56 | |||
| 57 | /* Validate decompression - crc */ | ||
| 58 | if (stored_crc != (gunzip_crc ^ 0xffffffffL)) { | ||
| 59 | error_msg_and_die("crc error"); | ||
| 60 | } | ||
| 61 | |||
| 62 | /* Validate decompression - size */ | ||
| 63 | if (gunzip_bytes_out != | ||
| 64 | (bytebuffer[bytebuffer_offset] | (bytebuffer[bytebuffer_offset+1] << 8) | | ||
| 65 | (bytebuffer[bytebuffer_offset+2] << 16) | (bytebuffer[bytebuffer_offset+3] << 24))) { | ||
| 66 | error_msg_and_die("Incorrect length, but crc is correct"); | ||
| 67 | } | ||
| 68 | |||
| 69 | } | ||
