X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Funzip.h;h=6f53b0730067f4b4e3b9d5ce1f85aa8cb2a60a24;hb=ab4f660439ff855171f801e3fdfa3e9de69d991b;hp=d8ddb312c96c0c0482cce5721b70b9bb3d65743f;hpb=d848a84a9c3a134b434025f28c9bf567a48bd94b;p=virtualjaguar

diff --git a/src/unzip.h b/src/unzip.h
index d8ddb31..6f53b07 100644
--- a/src/unzip.h
+++ b/src/unzip.h
@@ -4,132 +4,23 @@
 #include <stdio.h>
 #include <stdint.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/***************************************************************************
- * Support for retrieving files from zipfiles
- ***************************************************************************/
-
-struct zipent
+struct ZipFileEntry
 {
-	uint32_t	cent_file_header_sig;
-	uint8_t	version_made_by;
-	uint8_t	host_os;
-	uint8_t	version_needed_to_extract;
-	uint8_t	os_needed_to_extract;
-	uint16_t	general_purpose_bit_flag;
-	uint16_t	compression_method;
-	uint16_t	last_mod_file_time;
-	uint16_t	last_mod_file_date;
-	uint32_t	crc32;
-	uint32_t	compressed_size;
-	uint32_t	uncompressed_size;
-	uint16_t	filename_length;
-	uint16_t	extra_field_length;
-	uint16_t	file_comment_length;
-	uint16_t	disk_number_start;
-	uint16_t	internal_file_attrib;
-	uint32_t	external_file_attrib;
-	uint32_t	offset_lcl_hdr_frm_frst_disk;
-	char *  name; /* 0 terminated */
+	uint32_t signature;
+	uint16_t version;
+	uint16_t flags;
+	uint16_t method;
+	uint16_t modifiedTime;
+	uint16_t modifiedDate;
+	uint32_t crc32;
+	uint32_t compressedSize;
+	uint32_t uncompressedSize;
+	uint16_t filenameLength;
+	uint16_t extraLength;
+	uint8_t filename[512];
 };
 
-typedef struct _ZIP
-{
-	char * zip;					/* zip name */
-	FILE * fp;					/* zip handler */
-	int pathtype, pathindex;	/* additional path info */
-	long length;				/* length of zip file */
-	char * ecd;					/* end_of_cent_dir data */
-	unsigned ecd_length;		/* end_of_cent_dir length */
-	char * cd;					/* cent_dir data */
-	unsigned cd_pos;			/* position in cent_dir */
-	struct zipent ent;			/* buffer for readzip */
-	/* end_of_cent_dir */
-	uint32_t	end_of_cent_dir_sig;
-	uint16_t	number_of_this_disk;
-	uint16_t	number_of_disk_start_cent_dir;
-	uint16_t	total_entries_cent_dir_this_disk;
-	uint16_t	total_entries_cent_dir;
-	uint32_t	size_of_cent_dir;
-	uint32_t	offset_to_start_of_cent_dir;
-	uint16_t	zipfile_comment_length;
-	char *	zipfile_comment;	/* pointer in ecd */
-} ZIP;
-
-/* Opens a zip stream for reading
-   return:
-     !=0 success, zip stream
-     ==0 error
-*/
-ZIP * openzip(int pathtype, int pathindex, const char * path);
-
-/* Closes a zip stream */
-void closezip(ZIP * zip);
-
-/* Reads the current entry from a zip stream
-   in:
-     zip opened zip
-   return:
-     !=0 success
-     ==0 error
-*/
-struct zipent * readzip(ZIP * zip);
-
-/* Suspend access to a zip file (release file handler)
-   in:
-      zip opened zip
-   note:
-     A suspended zip is automatically reopened at first call of
-     readuncompressd() or readcompressed() functions
-*/
-void suspendzip(ZIP * zip);
-
-/* Resets a zip stream to the first entry
-   in:
-     zip opened zip
-   note:
-     ZIP file must be opened and not suspended
-*/
-void rewindzip(ZIP * zip);
-
-/* Read compressed data from a zip entry
-   in:
-     zip opened zip
-     ent entry to read
-   out:
-     data buffer for data, ent.compressed_size uint8_ts allocated by the caller
-   return:
-     ==0 success
-     <0 error
-*/
-int readcompresszip(ZIP * zip, struct zipent * ent, char * data);
-
-/* Read decompressed data from a zip entry
-   in:
-     zip zip stream open
-     ent entry to read
-   out:
-     data buffer for data, ent.uncompressed_size uint8_ts allocated by the caller
-   return:
-     ==0 success
-     <0 error
-*/
-int readuncompresszip(ZIP * zip, struct zipent * ent, char * data);
-
-/* public functions */
-int /* error */ load_zipped_file(int pathtype, int pathindex, const char * zipfile, const char * filename,
-	unsigned char ** buf, uint32_t * length);
-
-void unzip_cache_clear(void);
-
-/* public globals */
-extern int	gUnzipQuiet;	/* flag controls error messages */
-
-#ifdef __cplusplus
-}
-#endif
+bool GetZIPHeader(FILE *, ZipFileEntry &);
+int UncompressFileFromZIP(FILE *, ZipFileEntry, uint8_t *);
 
 #endif	// __UNZIP_H__