diff --git a/thirdparty/minizip/ioapi.c b/thirdparty/minizip/ioapi.c index 49958f61f..0afbdc06a 100644 --- a/thirdparty/minizip/ioapi.c +++ b/thirdparty/minizip/ioapi.c @@ -68,8 +68,15 @@ void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filef p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque; p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file; p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file; + /* PANDEMONIUM start */ + p_filefunc64_32->zfile_func64.alloc_mem = p_filefunc32->alloc_mem; + p_filefunc64_32->zfile_func64.free_mem = p_filefunc32->free_mem; + /* PANDEMONIUM end */ } +/* PANDEMONIUM start */ +/* +// PANDEMONIUM end static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char* filename, int mode)); @@ -233,3 +240,6 @@ void fill_fopen64_filefunc (zlib_filefunc64_def* pzlib_filefunc_def) pzlib_filefunc_def->zerror_file = ferror_file_func; pzlib_filefunc_def->opaque = NULL; } +// PANDEMONIUM start +*/ +/* PANDEMONIUM end */ diff --git a/thirdparty/minizip/ioapi.h b/thirdparty/minizip/ioapi.h index 8309c4cf8..f25ab6464 100644 --- a/thirdparty/minizip/ioapi.h +++ b/thirdparty/minizip/ioapi.h @@ -145,6 +145,10 @@ typedef struct zlib_filefunc_def_s close_file_func zclose_file; testerror_file_func zerror_file; voidpf opaque; + /* PANDEMONIUM start */ + alloc_func alloc_mem; + free_func free_mem; + /* PANDEMONIUM end */ } zlib_filefunc_def; typedef ZPOS64_T (ZCALLBACK *tell64_file_func) OF((voidpf opaque, voidpf stream)); @@ -161,6 +165,10 @@ typedef struct zlib_filefunc64_def_s close_file_func zclose_file; testerror_file_func zerror_file; voidpf opaque; + /* PANDEMONIUM start */ + alloc_func alloc_mem; + free_func free_mem; + /* PANDEMONIUM end */ } zlib_filefunc64_def; void fill_fopen64_filefunc OF((zlib_filefunc64_def* pzlib_filefunc_def)); diff --git a/thirdparty/minizip/unzip.c b/thirdparty/minizip/unzip.c index 7617f41f1..32e27bd65 100644 --- a/thirdparty/minizip/unzip.c +++ b/thirdparty/minizip/unzip.c @@ -157,6 +157,9 @@ typedef struct uLong compression_method; /* compression method (0==store) */ ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ int raw; + /* PANDEMONIUM start */ + int extra_size; + /* PANDEMONIUM end */ } file_in_zip64_read_info_s; @@ -606,9 +609,10 @@ local unzFile unzOpenInternal (const void *path, us.z_filefunc.zseek32_file = NULL; us.z_filefunc.ztell32_file = NULL; if (pzlib_filefunc64_32_def==NULL) - fill_fopen64_filefunc(&us.z_filefunc.zfile_func64); - else - us.z_filefunc = *pzlib_filefunc64_32_def; + /* PANDEMONIUM start */ + return NULL; // standard i/o not supported + us.z_filefunc = *pzlib_filefunc64_32_def; + /* PANDEMONIUM end */ us.is64bitOpenFunction = is64bitOpenFunction; @@ -800,6 +804,18 @@ extern unzFile ZEXPORT unzOpen64 (const void *path) return unzOpenInternal(path, NULL, 1); } +/* PANDEMONIUM start */ +extern void* unzGetOpaque(unzFile file) { + + unz64_s* s; + if (file==NULL) + return NULL; + s=(unz64_s*)file; + + return s->z_filefunc.zfile_func64.opaque; +}; +/* PANDEMONIUM end */ + /* Close a ZipFile opened with unzOpen. If there is files inside the .Zip opened with unzOpenCurrentFile (see later), @@ -1018,10 +1034,20 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file, if (lSeek!=0) { - if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) - lSeek=0; - else - err=UNZ_ERRNO; + /* PANDEMONIUM start */ + if (lSeek<0) { + // WORKAROUND for backwards seeking + z_off_t pos = ZTELL64(s->z_filefunc, s->filestream); + if (ZSEEK64(s->z_filefunc, s->filestream,pos+lSeek,ZLIB_FILEFUNC_SEEK_SET)==0) + lSeek=0; + else + err=UNZ_ERRNO; + } else { + if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + lSeek=0; + else + err=UNZ_ERRNO; + } } while(acc < file_info.size_file_extra) @@ -1575,8 +1601,10 @@ extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, } else if ((s->cur_file_info.compression_method==Z_DEFLATED) && (!raw)) { - pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; - pfile_in_zip_read_info->stream.zfree = (free_func)0; + /* PANDEMONIUM start */ + pfile_in_zip_read_info->stream.zalloc = s->z_filefunc.zfile_func64.alloc_mem; + pfile_in_zip_read_info->stream.zfree = s->z_filefunc.zfile_func64.free_mem; + /* PANDEMONIUM end */ pfile_in_zip_read_info->stream.opaque = (voidpf)0; pfile_in_zip_read_info->stream.next_in = 0; pfile_in_zip_read_info->stream.avail_in = 0; @@ -1608,6 +1636,9 @@ extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, iSizeVar; pfile_in_zip_read_info->stream.avail_in = (uInt)0; + /* PANDEMONIUM start */ + pfile_in_zip_read_info->extra_size = iSizeVar; + /* PANDEMONIUM end */ s->pfile_in_zip_read = pfile_in_zip_read_info; s->encrypted = 0; @@ -1638,6 +1669,85 @@ extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, return UNZ_OK; } +/* PANDEMONIUM start */ +extern int ZEXPORT unzSeekCurrentFile(unzFile file, int pos) { + + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + if (pfile_in_zip_read_info->compression_method==Z_BZIP2ED) { // don't know how to support bzip + return UNZ_INTERNALERROR; + }; + + if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw)) { + + pfile_in_zip_read_info->rest_read_compressed = + s->cur_file_info.compressed_size - pos; + pfile_in_zip_read_info->rest_read_uncompressed = + s->cur_file_info.uncompressed_size - pos; + + pfile_in_zip_read_info->pos_in_zipfile = + s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + + pfile_in_zip_read_info->extra_size + pos; + + pfile_in_zip_read_info->stream.avail_in = (uInt)0; + pfile_in_zip_read_info->stream.total_out = pos; + + return ZSEEK64(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->byte_before_the_zipfile + pfile_in_zip_read_info->pos_in_zipfile, + ZLIB_FILEFUNC_SEEK_SET); + + } else { // gzip + + if (pos < pfile_in_zip_read_info->stream.total_out) { // negative seek, rewind + + pfile_in_zip_read_info->rest_read_compressed = + s->cur_file_info.compressed_size ; + pfile_in_zip_read_info->rest_read_uncompressed = + s->cur_file_info.uncompressed_size ; + + pfile_in_zip_read_info->pos_in_zipfile = + s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + + pfile_in_zip_read_info->extra_size; + + (void)inflateReset(&pfile_in_zip_read_info->stream); + + pfile_in_zip_read_info->stream.avail_in = (uInt)0; + pfile_in_zip_read_info->stream.total_out = 0; + pfile_in_zip_read_info->stream.next_in = 0; + }; + + // not sure where to read, so read on the stack + { + char buf[512]; + int to_read = pos - pfile_in_zip_read_info->stream.total_out; + while (to_read) { + + int len = to_read > sizeof(buf)?sizeof(buf):to_read; + int read = unzReadCurrentFile(file, buf, len); + if (read < 0) { + return read; + }; + to_read -= read; + if (read == UNZ_EOF) { + return pos; + }; + }; + }; + }; + + return pos; +}; +/* PANDEMONIUM end */ + extern int ZEXPORT unzOpenCurrentFile (unzFile file) { return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); diff --git a/thirdparty/minizip/unzip.h b/thirdparty/minizip/unzip.h index 3183968b7..54e65ad8a 100644 --- a/thirdparty/minizip/unzip.h +++ b/thirdparty/minizip/unzip.h @@ -202,6 +202,10 @@ extern int ZEXPORT unzClose OF((unzFile file)); these files MUST be closed with unzCloseCurrentFile before call unzClose. return UNZ_OK if there is no problem. */ +/* PANDEMONIUM start */ +extern void* unzGetOpaque(unzFile file); +/* PANDEMONIUM end */ + extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, unz_global_info *pglobal_info)); @@ -390,6 +394,13 @@ extern int ZEXPORT unzReadCurrentFile OF((unzFile file, (UNZ_ERRNO for IO error, or zLib error for uncompress error) */ +/* PANDEMONIUM start */ +extern int ZEXPORT unzSeekCurrentFile(unzFile file, int pos); +/* + Seek to position in uncompressed data +*/ +/* PANDEMONIUM end */ + extern z_off_t ZEXPORT unztell OF((unzFile file)); extern ZPOS64_T ZEXPORT unztell64 OF((unzFile file)); diff --git a/thirdparty/minizip/zip.c b/thirdparty/minizip/zip.c index 3c34fc8bd..d7093e745 100644 --- a/thirdparty/minizip/zip.c +++ b/thirdparty/minizip/zip.c @@ -854,9 +854,11 @@ extern zipFile ZEXPORT zipOpen3 (const void *pathname, int append, zipcharpc* gl ziinit.z_filefunc.zseek32_file = NULL; ziinit.z_filefunc.ztell32_file = NULL; - if (pzlib_filefunc64_32_def==NULL) - fill_fopen64_filefunc(&ziinit.z_filefunc.zfile_func64); - else + /* PANDEMONIUM start */ + if (pzlib_filefunc64_32_def==NULL) { + //fill_fopen64_filefunc(&ziinit.z_filefunc.zfile_func64); + } else + /* PANDEMONIUM end */ ziinit.z_filefunc = *pzlib_filefunc64_32_def; ziinit.filestream = ZOPEN64(ziinit.z_filefunc, @@ -1210,8 +1212,10 @@ extern int ZEXPORT zipOpenNewFileInZip4_64 (zipFile file, const char* filename, { if(zi->ci.method == Z_DEFLATED) { - zi->ci.stream.zalloc = (alloc_func)0; - zi->ci.stream.zfree = (free_func)0; + /* PANDEMONIUM start */ + zi->ci.stream.zalloc = zi->z_filefunc.zfile_func64.alloc_mem; + zi->ci.stream.zfree = zi->z_filefunc.zfile_func64.free_mem; + /* PANDEMONIUM end */ zi->ci.stream.opaque = (voidpf)0; if (windowBits>0)