Date: Wed, 13 Aug 2008 17:11:34 GMT From: Anselm Strauss <strauss@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 147314 for review Message-ID: <200808131711.m7DHBY5b077782@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=147314 Change 147314 by strauss@strauss_marvelman on 2008/08/13 17:11:22 Corrected the format of extra data in the central directory (is different from the same data formatted in the local header). Affected files ... .. //depot/projects/soc2008/strauss_libarchive/TODO#14 edit .. //depot/projects/soc2008/strauss_libarchive/libarchive/archive_write_set_format_zip.c#34 edit Differences ... ==== //depot/projects/soc2008/strauss_libarchive/TODO#14 (text+ko) ==== @@ -1,6 +1,8 @@ To Be Done ========== +- Consider portability of code to other operating systems +- Test for memory leaks again (ask Tim) - Update ZIP writer in docs - About the keywords: of course they always change when integrating ... - Not all P4 keywords do expand (tested on OS X and FreeBSD) ==== //depot/projects/soc2008/strauss_libarchive/libarchive/archive_write_set_format_zip.c#34 (text+ko) ==== @@ -121,7 +121,7 @@ char uncompressed_size[4]; }; -struct zip_extra_data { +struct zip_extra_data_local { char time_id[2]; char time_size[2]; char time_flag[1]; @@ -134,11 +134,18 @@ char unix_gid[2]; }; +struct zip_extra_data_central { + char time_id[2]; + char time_size[2]; + char time_flag[1]; + char mtime[4]; + char unix_id[2]; + char unix_size[2]; +}; + struct zip_file_header_link { struct zip_file_header_link *next; struct archive_entry *entry; - char extra_length[2]; - struct zip_extra_data extra_data; off_t offset; uLong crc32; }; @@ -204,7 +211,7 @@ { struct zip *zip; struct zip_local_file_header h; - struct zip_extra_data e; + struct zip_extra_data_local e; struct zip_data_descriptor *d; struct zip_file_header_link *l; int ret; @@ -268,9 +275,6 @@ zip_encode(sizeof(e.unix_uid) + sizeof(e.unix_gid), &e.unix_size, sizeof(e.unix_size)); zip_encode(archive_entry_uid(entry), &e.unix_uid, sizeof(e.unix_uid)); zip_encode(archive_entry_gid(entry), &e.unix_gid, sizeof(e.unix_gid)); - l->extra_data = e; - l->extra_length[0] = h.extra_length[0]; - l->extra_length[1] = h.extra_length[1]; /* This will surely change when compression is implemented. */ zip_encode(size, &d->compressed_size, sizeof(d->compressed_size)); @@ -338,6 +342,7 @@ struct zip_file_header_link *l; struct zip_file_header h; struct zip_central_directory_end end; + struct zip_extra_data_central e; int64_t size; off_t offset_start, offset_end; int entries; @@ -363,22 +368,29 @@ entries = 0; offset_start = zip->written_bytes; + + /* Formatting individual header fields per entry. */ while (l != NULL) { - /* Formatting individual header fields per entry. */ size = archive_entry_size(l->entry); zip_encode(dos_time(archive_entry_mtime(l->entry)), &h.timedate, sizeof(h.timedate)); zip_encode(l->crc32, &h.crc32, sizeof(h.crc32)); zip_encode(size, &h.compressed_size, sizeof(h.compressed_size)); zip_encode(size, &h.uncompressed_size, sizeof(h.uncompressed_size)); zip_encode(path_length(l->entry), &h.filename_length, sizeof(h.filename_length)); - archive_entry_mode(l->entry); - h.extra_length[0] = l->extra_length[0]; - h.extra_length[1] = l->extra_length[1]; + zip_encode(sizeof(e), &h.extra_length, sizeof(h.extra_length)); mode = archive_entry_mode(l->entry); zip_encode(mode, &h.attributes_external[2], sizeof(mode)); zip_encode(l->offset, &h.offset, sizeof(h.offset)); + /* Formatting extra data. */ + zip_encode(ZIP_SIGNATURE_EXTRA_TIMESTAMP, &e.time_id, sizeof(e.time_id)); + zip_encode(sizeof(e.mtime) + sizeof(e.time_flag), &e.time_size, sizeof(e.time_size)); + zip_encode(0x07, &e.time_flag, sizeof(e.time_flag)); + zip_encode(archive_entry_mtime(l->entry), &e.mtime, sizeof(e.mtime)); + zip_encode(ZIP_SIGNATURE_EXTRA_UNIX, &e.unix_id, sizeof(e.unix_id)); + zip_encode(0x0000, &e.unix_size, sizeof(e.unix_size)); + ret = (a->compressor.write)(a, &h, sizeof(h)); if (ret != ARCHIVE_OK) return (ARCHIVE_FATAL); @@ -389,10 +401,10 @@ return (ARCHIVE_FATAL); zip->written_bytes += ret; - ret = (a->compressor.write)(a, &l->extra_data, sizeof(l->extra_data)); + ret = (a->compressor.write)(a, &e, sizeof(e)); if (ret != ARCHIVE_OK) return (ARCHIVE_FATAL); - zip->written_bytes += sizeof(l->extra_data); + zip->written_bytes += sizeof(e); l = l->next; entries++;
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