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- Changed makewad's zip routines so that it simply stores files that cannot be
compressed smaller instead of using deflate anyway. Saves 133 bytes currently. SVN r147 (trunk)
This commit is contained in:
Randy Heit
parent
5abd6b972c
commit
67da924a02
4 changed files with 146 additions and 64 deletions
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@ -1,3 +1,7 @@
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May 26, 2006
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- Changed makewad's zip routines so that it simply stores files that cannot be
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compressed smaller instead of using deflate anyway. Saves 133 bytes currently.
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May 26, 2006 (Changes by Graf Zahl)
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- Fixed: CallStateChain relied on CallingState being preserved across the
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call of the state's action function. This is not the case when a missile
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@ -165,31 +165,16 @@ int appendtozip (zipFile zipfile, const char * zipname, const char *filename)
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}
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// file loaded
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// create zip entry, giving entry name and zip_inf data
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if (Z_OK != zipOpenNewFileInZip(zipfile, zipname, &zip_inf, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_BEST_COMPRESSION))
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{
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free (readbuf);
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fprintf (stderr, "Unable to open zip for writing %s\n", filename);
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return 1;
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}
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// write data into zipfile (zipfile remembers the state)
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if (Z_OK != zipWriteInFileInZip(zipfile, readbuf, (unsigned)len))
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// create zip entry, giving entry name and zip_inf data,
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// write data into zipfile, and close the zip entry
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if (Z_OK != zipAddFileToZip(zipfile, zipname, &zip_inf, readbuf, (unsigned)len))
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{
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free (readbuf);
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fprintf (stderr, "Unable to write %s to zip\n", filename);
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return 1;
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}
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// done writing data
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free (readbuf);
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// close the zip entry
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if (Z_OK != zipCloseFileInZip(zipfile))
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{
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fprintf (stderr, "Unable to close %s in zip\n", filename);
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return 1;
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}
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// all done
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free (readbuf);
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return 0;
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}
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@ -129,11 +129,6 @@ typedef struct
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uLong dosDate;
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uLong crc32;
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int encrypt;
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#ifndef NOCRYPT
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unsigned long keys[3]; /* keys defining the pseudo-random sequence */
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const unsigned long* pcrc_32_tab;
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int crypt_header_size;
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#endif
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} curfile_info;
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typedef struct
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@ -154,11 +149,6 @@ typedef struct
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#ifndef NOCRYPT
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#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED
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#include "crypt.h"
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#endif
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local linkedlist_datablock_internal* allocate_new_datablock()
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{
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linkedlist_datablock_internal* ldi;
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@ -717,11 +707,6 @@ extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi,
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uInt i;
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int err = ZIP_OK;
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# ifdef NOCRYPT
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if (password != NULL)
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return ZIP_PARAMERROR;
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# endif
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if (file == NULL)
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return ZIP_PARAMERROR;
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if ((method!=0) && (method!=Z_DEFLATED))
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@ -874,23 +859,6 @@ extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi,
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if (err==Z_OK)
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zi->ci.stream_initialised = 1;
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}
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# ifndef NOCRYPT
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zi->ci.crypt_header_size = 0;
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if ((err==Z_OK) && (password != NULL))
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{
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unsigned char bufHead[RAND_HEAD_LEN];
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unsigned int sizeHead;
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zi->ci.encrypt = 1;
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zi->ci.pcrc_32_tab = get_crc_table();
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/*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/
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sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting);
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zi->ci.crypt_header_size = sizeHead;
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if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead)
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err = ZIP_ERRNO;
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}
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# endif
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if (err==Z_OK)
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zi->in_opened_file_inzip = 1;
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@ -947,16 +915,6 @@ local int zipFlushWriteBuffer(zi)
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{
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int err=ZIP_OK;
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if (zi->ci.encrypt != 0)
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{
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#ifndef NOCRYPT
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uInt i;
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int t;
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for (i=0;i<zi->ci.pos_in_buffered_data;i++)
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zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab,
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zi->ci.buffered_data[i],t);
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#endif
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}
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if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data)
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!=zi->ci.pos_in_buffered_data)
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err = ZIP_ERRNO;
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@ -1081,9 +1039,6 @@ extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32)
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uncompressed_size = (uLong)zi->ci.stream.total_in;
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}
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compressed_size = (uLong)zi->ci.stream.total_out;
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# ifndef NOCRYPT
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compressed_size += zi->ci.crypt_header_size;
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# endif
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ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/
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ziplocal_putValue_inmemory(zi->ci.central_header+20,
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@ -1131,6 +1086,135 @@ extern int ZEXPORT zipCloseFileInZip (file)
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return zipCloseFileInZipRaw (file,0,0);
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}
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extern int ZEXPORT zipAddFileToZip (file, filename, zipfi, buf, len)
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zipFile file;
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const char *filename;
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const zip_fileinfo *zipfi;
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const void *buf;
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unsigned len;
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{
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zip_internal* zi;
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uLong compressed_size;
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uLong uncompressed_size;
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uLong crc32;
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long data_pos;
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int err = ZIP_OK;
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if (file == NULL)
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return ZIP_PARAMERROR;
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if (err == ZIP_OK)
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err = zipOpenNewFileInZip(file, filename, zipfi, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_BEST_COMPRESSION);
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zi = (zip_internal*)file;
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data_pos = ZTELL(zi->z_filefunc, zi->filestream);
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if (err == ZIP_OK)
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err = zipWriteInFileInZip(file, buf, len);
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if (err != ZIP_OK)
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return err;
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zi->ci.stream.avail_in = 0;
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while (err==ZIP_OK)
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{
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uLong uTotalOutBefore;
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if (zi->ci.stream.avail_out == 0)
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{
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if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
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err = ZIP_ERRNO;
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zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
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zi->ci.stream.next_out = zi->ci.buffered_data;
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}
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uTotalOutBefore = zi->ci.stream.total_out;
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err=deflate(&zi->ci.stream, Z_FINISH);
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zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
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}
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if (err==Z_STREAM_END)
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err=ZIP_OK; /* this is normal */
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if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK))
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if (zipFlushWriteBuffer(zi)==ZIP_ERRNO)
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err = ZIP_ERRNO;
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err=deflateEnd(&zi->ci.stream);
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zi->ci.stream_initialised = 0;
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crc32 = (uLong)zi->ci.crc32;
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uncompressed_size = (uLong)zi->ci.stream.total_in;
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compressed_size = (uLong)zi->ci.stream.total_out;
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if (uncompressed_size <= compressed_size)
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{
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/* Compressed size was no better than uncompressed, so redo it. */
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zi->ci.stream.avail_in = (uInt)0;
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zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
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zi->ci.stream.next_out = zi->ci.buffered_data;
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zi->ci.stream.total_in = 0;
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zi->ci.stream.total_out = 0;
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zi->ci.method = 0;
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ziplocal_putValue_inmemory(zi->ci.central_header+10,0,2); /* method */
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if (ZSEEK(zi->z_filefunc,zi->filestream,
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data_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)
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err = ZIP_ERRNO;
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err = zipWriteInFileInZip(file, buf, len);
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if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK))
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if (zipFlushWriteBuffer(zi)==ZIP_ERRNO)
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err = ZIP_ERRNO;
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compressed_size = (uLong)zi->ci.stream.total_out;
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}
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ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/
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ziplocal_putValue_inmemory(zi->ci.central_header+20,
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compressed_size,4); /*compr size*/
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if (zi->ci.stream.data_type == Z_ASCII)
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ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2);
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ziplocal_putValue_inmemory(zi->ci.central_header+24,
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uncompressed_size,4); /*uncompr size*/
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if (err==ZIP_OK)
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err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header,
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(uLong)zi->ci.size_centralheader);
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free(zi->ci.central_header);
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if (err==ZIP_OK)
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{
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long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream);
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if (ZSEEK(zi->z_filefunc,zi->filestream,
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zi->ci.pos_local_header + 8,ZLIB_FILEFUNC_SEEK_SET)!=0)
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err = ZIP_ERRNO;
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if (err==ZIP_OK)
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err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2);
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if (err==ZIP_OK)
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err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4);
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if (err==ZIP_OK)
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err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */
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if (err==ZIP_OK) /* compressed size, unknown */
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err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4);
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if (err==ZIP_OK) /* uncompressed size, unknown */
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err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4);
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if (ZSEEK(zi->z_filefunc,zi->filestream,
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cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0)
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err = ZIP_ERRNO;
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}
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zi->number_entry ++;
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zi->in_opened_file_inzip = 0;
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return err;
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}
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extern int ZEXPORT zipClose (file, global_comment)
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zipFile file;
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const char* global_comment;
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@ -208,6 +208,15 @@ extern int ZEXPORT zipWriteInFileInZip OF((zipFile file,
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Write data in the zipfile
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*/
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extern int ZEXPORT zipAddFileToZip OF((zipFile file,
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const char *filename,
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const zip_fileinfo *zipfi,
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const void *buf,
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unsigned len));
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/*
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[RH] Add a file to the zipfile, using deflate or stored, whichever is best
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*/
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extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
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/*
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Close the current file in the zipfile
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