1 files changed, 126 insertions, 0 deletions

diff --git a/src/common/unzip.h b/src/common/unzip.h
new file mode 100644
index 0000000..f0c2c4e
--- /dev/null
+++ b/src/common/unzip.h
@@ -0,0 +1,126 @@
+/*
+     This file is part of libextractor.
+     (C) 2008 Christian Grothoff (and other contributing authors)
+
+     libextractor is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 2, or (at your
+     option) any later version.
+
+     libextractor is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with libextractor; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+#ifndef UNZIP_H_
+#define UNZIP_H_
+
+#include <zlib.h>
+
+#define EXTRACTOR_UNZIP_OK                          (0)
+#define EXTRACTOR_UNZIP_END_OF_LIST_OF_FILE         (-100)
+#define EXTRACTOR_UNZIP_ERRNO                       (Z_ERRNO)
+#define EXTRACTOR_UNZIP_EOF                         (0)
+#define EXTRACTOR_UNZIP_PARAMERROR                  (-102)
+#define EXTRACTOR_UNZIP_BADZIPFILE                  (-103)
+#define EXTRACTOR_UNZIP_INTERNALERROR               (-104)
+#define EXTRACTOR_UNZIP_CRCERROR                    (-105)
+
+typedef voidp EXTRACTOR_unzip_file;
+
+typedef struct EXTRACTOR_unzip_filefunc_def_s
+{
+    voidpf ( *zopen_file) (voidpf opaque, const char* filename, int mode);
+    uLong  ( *zread_file) (voidpf opaque, voidpf stream, void* buf, uLong size);
+    uLong  ( *zwrite_file) (voidpf opaque, voidpf stream, const void* buf, uLong size);
+    long   ( *ztell_file) (voidpf opaque, voidpf stream);
+    long   ( *zseek_file) (voidpf opaque, voidpf stream, uLong offset, int origin);
+    int    ( *zclose_file) (voidpf opaque, voidpf stream);
+    int    ( *zerror_file) (voidpf opaque, voidpf stream);
+    voidpf              opaque;
+} EXTRACTOR_unzip_filefunc_def;
+
+/* tm_unz contain date/time info */
+typedef struct EXTRACTOR_unzip_tm_unz_s
+{
+    uInt tm_sec;            /* seconds after the minute - [0,59] */
+    uInt tm_min;            /* minutes after the hour - [0,59] */
+    uInt tm_hour;           /* hours since midnight - [0,23] */
+    uInt tm_mday;           /* day of the month - [1,31] */
+    uInt tm_mon;            /* months since January - [0,11] */
+    uInt tm_year;           /* years - [1980..2044] */
+} EXTRACTOR_unzip_tm_unz;
+
+/* unz_file_info contain information about a file in the zipfile */
+typedef struct EXTRACTOR_unzip_file_info_s
+{
+    uLong version;              /* version made by                 2 bytes */
+    uLong version_needed;       /* version needed to extract       2 bytes */
+    uLong flag;                 /* general purpose bit flag        2 bytes */
+    uLong compression_method;   /* compression method              2 bytes */
+    uLong dosDate;              /* last mod file date in Dos fmt   4 bytes */
+    uLong crc;                  /* crc-32                          4 bytes */
+    uLong compressed_size;      /* compressed size                 4 bytes */
+    uLong uncompressed_size;    /* uncompressed size               4 bytes */
+    uLong size_filename;        /* filename length                 2 bytes */
+    uLong size_file_extra;      /* extra field length              2 bytes */
+    uLong size_file_comment;    /* file comment length             2 bytes */
+
+    uLong disk_num_start;       /* disk number start               2 bytes */
+    uLong internal_fa;          /* internal file attributes        2 bytes */
+    uLong external_fa;          /* external file attributes        4 bytes */
+
+    EXTRACTOR_unzip_tm_unz tmu_date;
+} EXTRACTOR_unzip_file_info;
+
+int EXTRACTOR_common_unzip_string_file_name_compare(const char* fileName1,
+    const char* fileName2, int iCaseSensitivity);
+
+int EXTRACTOR_common_unzip_go_to_first_file(EXTRACTOR_unzip_file file);
+
+EXTRACTOR_unzip_file EXTRACTOR_common_unzip_open2(const char *path,
+    EXTRACTOR_unzip_filefunc_def* pzlib_filefunc_def);
+
+int EXTRACTOR_common_unzip_close_current_file(EXTRACTOR_unzip_file file);
+
+int EXTRACTOR_common_unzip_close(EXTRACTOR_unzip_file file);
+
+int EXTRACTOR_common_unzip_get_current_file_info(EXTRACTOR_unzip_file file,
+    EXTRACTOR_unzip_file_info *pfile_info, char *szFileName, uLong fileNameBufferSize,
+    void *extraField, uLong extraFieldBufferSize, char *szComment,
+    uLong commentBufferSize);
+
+int EXTRACTOR_common_unzip_go_to_next_file(EXTRACTOR_unzip_file file);
+
+int EXTRACTOR_common_unzip_local_file(EXTRACTOR_unzip_file file, const char *szFileName,
+    int iCaseSensitivity);
+
+int EXTRACTOR_common_unzip_read_current_file(EXTRACTOR_unzip_file file, voidp buf,
+    unsigned len);
+
+int EXTRACTOR_common_unzip_open_current_file3(EXTRACTOR_unzip_file file, int* method,
+    int* level, int raw);
+
+voidpf EXTRACTOR_common_unzip_zlib_open_file_func(voidpf opaque,
+    const char* filename, int mode);
+
+uLong EXTRACTOR_common_unzip_zlib_read_file_func(voidpf opaque, voidpf stream,
+    void* buf, uLong size);
+
+long EXTRACTOR_common_unzip_zlib_tell_file_func(voidpf opaque, voidpf stream);
+
+long EXTRACTOR_common_unzip_zlib_seek_file_func(voidpf opaque, voidpf stream,
+    uLong offset, int origin);
+
+int EXTRACTOR_common_unzip_zlib_close_file_func(voidpf opaque, voidpf stream);
+
+int EXTRACTOR_common_unzip_zlib_testerror_file_func(voidpf opaque,
+    voidpf stream);
+
+#endif /* UNZIP_H_ */