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Version 1.5.0

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Big Refactor
This commit is contained in:
Andre Schweiger 2018-02-04 18:05:43 +01:00
parent 3b2a0f4de8
commit d2f7796b79
49 changed files with 5306 additions and 3590 deletions
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122
source/minizip/unzip.c
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@ -1,7 +1,7 @@
/* unzip.c -- IO for uncompress .zip files using zlib
Version 1.01h, December 28th, 2009
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2009 Gilles Vollant
Copyright (C) 1998-2005 Gilles Vollant
Read unzip.h for more info
*/
@ -103,9 +103,6 @@ typedef struct
{
char *read_buffer; /* internal buffer for compressed data */
z_stream stream; /* zLib stream structure for inflate */
#ifdef HAVE_BZIP2
bz_stream bstream; /* bzLib stream structure for bziped */
#endif
uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/
uLong stream_initialised; /* flag set if stream structure is initialised*/
@ -207,7 +204,7 @@ local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX)
uLong *pX;
{
uLong x ;
int i = 0;
int i;
int err;
err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
@ -235,7 +232,7 @@ local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX)
uLong *pX;
{
uLong x ;
int i = 0;
int i;
int err;
err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
@ -494,11 +491,8 @@ extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def)
s=(unz_s*)ALLOC(sizeof(unz_s));
if (s!=NULL)
{
*s=us;
unzGoToFirstFile((unzFile)s);
}
*s=us;
unzGoToFirstFile((unzFile)s);
return (unzFile)s;
}
@ -614,12 +608,10 @@ local int unzlocal_GetCurrentFileInfoInternal (file,
/* we check the magic */
if (err==UNZ_OK)
{
if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
err=UNZ_ERRNO;
else if (uMagic!=0x02014b50)
err=UNZ_BADZIPFILE;
}
if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK)
err=UNZ_ERRNO;
@ -696,13 +688,10 @@ local int unzlocal_GetCurrentFileInfoInternal (file,
uSizeRead = extraFieldBufferSize;
if (lSeek!=0)
{
if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
lSeek=0;
else
err=UNZ_ERRNO;
}
if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0))
if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead)
err=UNZ_ERRNO;
@ -724,13 +713,10 @@ local int unzlocal_GetCurrentFileInfoInternal (file,
uSizeRead = commentBufferSize;
if (lSeek!=0)
{
if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
lSeek=0;
else
err=UNZ_ERRNO;
}
if ((file_info.size_file_comment>0) && (commentBufferSize>0))
if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead)
err=UNZ_ERRNO;
@ -991,12 +977,10 @@ local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
if (err==UNZ_OK)
{
if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
err=UNZ_ERRNO;
else if (uMagic!=0x04034b50)
err=UNZ_BADZIPFILE;
}
if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)
err=UNZ_ERRNO;
@ -1013,9 +997,6 @@ local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
err=UNZ_BADZIPFILE;
if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&
/* #ifdef HAVE_BZIP2 */
(s->cur_file_info.compression_method!=Z_BZIP2ED) &&
/* #endif */
(s->cur_file_info.compression_method!=Z_DEFLATED))
err=UNZ_BADZIPFILE;
@ -1130,9 +1111,6 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password)
}
if ((s->cur_file_info.compression_method!=0) &&
/* #ifdef HAVE_BZIP2 */
(s->cur_file_info.compression_method!=Z_BZIP2ED) &&
/* #endif */
(s->cur_file_info.compression_method!=Z_DEFLATED))
err=UNZ_BADZIPFILE;
@ -1146,34 +1124,6 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password)
pfile_in_zip_read_info->stream.total_out = 0;
if ((s->cur_file_info.compression_method==Z_BZIP2ED) &&
(!raw))
{
#ifdef HAVE_BZIP2
pfile_in_zip_read_info->bstream.bzalloc = (void *(*) (void *, int, int))0;
pfile_in_zip_read_info->bstream.bzfree = (free_func)0;
pfile_in_zip_read_info->bstream.opaque = (voidpf)0;
pfile_in_zip_read_info->bstream.state = (voidpf)0;
pfile_in_zip_read_info->stream.zalloc = (alloc_func)0;
pfile_in_zip_read_info->stream.zfree = (free_func)0;
pfile_in_zip_read_info->stream.opaque = (voidpf)0;
pfile_in_zip_read_info->stream.next_in = (voidpf)0;
pfile_in_zip_read_info->stream.avail_in = 0;
err=BZ2_bzDecompressInit(&pfile_in_zip_read_info->bstream, 0, 0);
if (err == Z_OK)
pfile_in_zip_read_info->stream_initialised=Z_BZIP2ED;
else
{
TRYFREE(pfile_in_zip_read_info);
return err;
}
#else
pfile_in_zip_read_info->raw=1;
#endif
}
else
if ((s->cur_file_info.compression_method==Z_DEFLATED) &&
(!raw))
{
@ -1185,7 +1135,7 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password)
err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);
if (err == Z_OK)
pfile_in_zip_read_info->stream_initialised=Z_DEFLATED;
pfile_in_zip_read_info->stream_initialised=1;
else
{
TRYFREE(pfile_in_zip_read_info);
@ -1213,8 +1163,6 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password)
s->pfile_in_zip_read = pfile_in_zip_read_info;
s->encrypted = 0;
# ifndef NOUNCRYPT
if (password != NULL)
{
@ -1386,53 +1334,6 @@ extern int ZEXPORT unzReadCurrentFile (file, buf, len)
iRead += uDoCopy;
}
else
if (pfile_in_zip_read_info->compression_method==Z_BZIP2ED)
{
#ifdef HAVE_BZIP2
uLong uTotalOutBefore,uTotalOutAfter;
const Bytef *bufBefore;
uLong uOutThis;
pfile_in_zip_read_info->bstream.next_in = pfile_in_zip_read_info->stream.next_in;
pfile_in_zip_read_info->bstream.avail_in = pfile_in_zip_read_info->stream.avail_in;
pfile_in_zip_read_info->bstream.total_in_lo32 = pfile_in_zip_read_info->stream.total_in;
pfile_in_zip_read_info->bstream.total_in_hi32 = 0;
pfile_in_zip_read_info->bstream.next_out = pfile_in_zip_read_info->stream.next_out;
pfile_in_zip_read_info->bstream.avail_out = pfile_in_zip_read_info->stream.avail_out;
pfile_in_zip_read_info->bstream.total_out_lo32 = pfile_in_zip_read_info->stream.total_out;
pfile_in_zip_read_info->bstream.total_out_hi32 = 0;
uTotalOutBefore = pfile_in_zip_read_info->bstream.total_out_lo32;
bufBefore = pfile_in_zip_read_info->bstream.next_out;
err=BZ2_bzDecompress(&pfile_in_zip_read_info->bstream);
uTotalOutAfter = pfile_in_zip_read_info->bstream.total_out_lo32;
uOutThis = uTotalOutAfter-uTotalOutBefore;
pfile_in_zip_read_info->crc32 =
crc32(pfile_in_zip_read_info->crc32,bufBefore,
(uInt)(uOutThis));
pfile_in_zip_read_info->rest_read_uncompressed -=
uOutThis;
iRead += (uInt)(uTotalOutAfter - uTotalOutBefore);
pfile_in_zip_read_info->stream.next_in = pfile_in_zip_read_info->bstream.next_in;
pfile_in_zip_read_info->stream.avail_in = pfile_in_zip_read_info->bstream.avail_in;
pfile_in_zip_read_info->stream.total_in = pfile_in_zip_read_info->bstream.total_in_lo32;
pfile_in_zip_read_info->stream.next_out = pfile_in_zip_read_info->bstream.next_out;
pfile_in_zip_read_info->stream.avail_out = pfile_in_zip_read_info->bstream.avail_out;
pfile_in_zip_read_info->stream.total_out = pfile_in_zip_read_info->bstream.total_out_lo32;
if (err==BZ_STREAM_END)
return (iRead==0) ? UNZ_EOF : iRead;
if (err!=BZ_OK)
break;
#endif
}
else
{
uLong uTotalOutBefore,uTotalOutAfter;
const Bytef *bufBefore;
@ -1611,12 +1512,8 @@ extern int ZEXPORT unzCloseCurrentFile (file)
TRYFREE(pfile_in_zip_read_info->read_buffer);
pfile_in_zip_read_info->read_buffer = NULL;
if (pfile_in_zip_read_info->stream_initialised == Z_DEFLATED)
if (pfile_in_zip_read_info->stream_initialised)
inflateEnd(&pfile_in_zip_read_info->stream);
#ifdef HAVE_BZIP2
else if (pfile_in_zip_read_info->stream_initialised == Z_BZIP2ED)
BZ2_bzDecompressEnd(&pfile_in_zip_read_info->bstream);
#endif
pfile_in_zip_read_info->stream_initialised = 0;
TRYFREE(pfile_in_zip_read_info);
@ -1637,6 +1534,7 @@ extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf)
char *szComment;
uLong uSizeBuf;
{
int err=UNZ_OK;
unz_s* s;
uLong uReadThis ;
if (file==NULL)
@ -1669,7 +1567,7 @@ extern uLong ZEXPORT unzGetOffset (file)
unz_s* s;
if (file==NULL)
return 0;
return UNZ_PARAMERROR;
s=(unz_s*)file;
if (!s->current_file_ok)
return 0;