Add prebuilt static unarr library for macOS.

compressed_archive/unarr/unarr-wrapper.pri

@@ -11,15 +11,17 @@ unix:!macx:exists (/usr/include/unarr.h) {
 		LIBS+=-lunarr
 		DEFINES+=use_unarr
 		}
-else:macx:exists (../../dependencies/unarr/libunarr.a) {
-		message(Found prebuilt unarr library.)
-		INCLUDEPATH += $$PWD/../../dependencies/unarr
-		LIBS += -L$$PWD/../../dependencies/unarr/ -lunarr -lz -lbz2
+else:macx:exists (../../dependencies/unarr/macx/libunarr.a) {
+		message(Found prebuilt unarr library in dependencies directory.)
+		INCLUDEPATH += $$PWD/../../dependencies/unarr/macx
+		LIBS += -L$$PWD/../../dependencies/unarr/macx -lunarr -lz -lbz2
 		DEFINES+=use_unarr
 		}
 
-else:win32:exists (../../dependencies/unarr/unarr.dll) {
-		LIBS += -L../../dependencies/unarr/ -lunarr
+else:win32:exists (../../dependencies/unarr/win/unarr.h) {
+		message(Found prebuilt unarr library in dependencies directory.)
+		INCLUDEPATH += $$PWD/../../dependencies/unarr/win
+		LIBS += -L../../dependencies/unarr/win/ -lunarr
 		DEFINES+=use_unarr
 		}
 

dependencies/unarr/macx/unarr.h

@@ -0,0 +1,94 @@
+/* Copyright 2015 the unarr project authors (see AUTHORS file).
+   License: LGPLv3 */
+
+#ifndef unarr_h
+#define unarr_h
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+typedef int64_t off64_t;
+typedef int64_t time64_t;
+
+#define UNARR_API_VERSION 100
+
+/***** common/stream *****/
+
+typedef struct ar_stream_s ar_stream;
+
+/* opens a read-only stream for the given file path; returns NULL on error */
+ar_stream *ar_open_file(const char *path);
+#ifdef _WIN32
+ar_stream *ar_open_file_w(const wchar_t *path);
+#endif
+/* opens a read-only stream for the given chunk of memory; the pointer must be valid until ar_close is called */
+ar_stream *ar_open_memory(const void *data, size_t datalen);
+#ifdef _WIN32
+typedef struct IStream IStream;
+/* opens a read-only stream based on the given IStream */
+ar_stream *ar_open_istream(IStream *stream);
+#endif
+
+/* closes the stream and releases underlying resources */
+void ar_close(ar_stream *stream);
+/* tries to read 'count' bytes into buffer, advancing the read offset pointer; returns the actual number of bytes read */
+size_t ar_read(ar_stream *stream, void *buffer, size_t count);
+/* moves the read offset pointer (same as fseek); returns false on failure */
+bool ar_seek(ar_stream *stream, off64_t offset, int origin);
+/* shortcut for ar_seek(stream, count, SEEK_CUR); returns false on failure */
+bool ar_skip(ar_stream *stream, off64_t count);
+/* returns the current read offset (or 0 on error) */
+off64_t ar_tell(ar_stream *stream);
+
+/***** common/unarr *****/
+
+typedef struct ar_archive_s ar_archive;
+
+/* frees all data stored for the given archive; does not close the underlying stream */
+void ar_close_archive(ar_archive *ar);
+/* reads the next archive entry; returns false on error or at the end of the file (use ar_at_eof to distinguish the two cases) */
+bool ar_parse_entry(ar_archive *ar);
+/* reads the archive entry at the given offset as returned by ar_entry_get_offset (offset 0 always restarts at the first entry); should always succeed */
+bool ar_parse_entry_at(ar_archive *ar, off64_t offset);
+/* reads the (first) archive entry associated with the given name; returns false if the entry couldn't be found */
+bool ar_parse_entry_for(ar_archive *ar, const char *entry_name);
+/* returns whether the last ar_parse_entry call has reached the file's expected end */
+bool ar_at_eof(ar_archive *ar);
+
+/* returns the name of the current entry as UTF-8 string; this pointer is only valid until the next call to ar_parse_entry; returns NULL on failure */
+const char *ar_entry_get_name(ar_archive *ar);
+/* returns the stream offset of the current entry for use with ar_parse_entry_at */
+off64_t ar_entry_get_offset(ar_archive *ar);
+/* returns the total size of uncompressed data of the current entry; read exactly that many bytes using ar_entry_uncompress */
+size_t ar_entry_get_size(ar_archive *ar);
+/* returns the stored modification date of the current entry in 100ns since 1601/01/01 */
+time64_t ar_entry_get_filetime(ar_archive *ar);
+/* WARNING: don't manually seek in the stream between ar_parse_entry and the last corresponding ar_entry_uncompress call! */
+/* uncompresses the next 'count' bytes of the current entry into buffer; returns false on error */
+bool ar_entry_uncompress(ar_archive *ar, void *buffer, size_t count);
+
+/* copies at most 'count' bytes of the archive's global comment (if any) into buffer; returns the actual amout of bytes copied (or, if 'buffer' is NULL, the required buffer size) */
+size_t ar_get_global_comment(ar_archive *ar, void *buffer, size_t count);
+
+/***** rar/rar *****/
+
+/* checks whether 'stream' could contain RAR data and prepares for archive listing/extraction; returns NULL on failure */
+ar_archive *ar_open_rar_archive(ar_stream *stream);
+
+/***** tar/tar *****/
+
+/* checks whether 'stream' could contain TAR data and prepares for archive listing/extraction; returns NULL on failure */
+ar_archive *ar_open_tar_archive(ar_stream *stream);
+
+/***** zip/zip *****/
+
+/* checks whether 'stream' could contain ZIP data and prepares for archive listing/extraction; returns NULL on failure */
+/* set deflatedonly for extracting XPS, EPUB, etc. documents where non-Deflate compression methods are not supported by specification */
+ar_archive *ar_open_zip_archive(ar_stream *stream, bool deflatedonly);
+
+/***** _7z/_7z *****/
+
+/* checks whether 'stream' could contain 7Z data and prepares for archive listing/extraction; returns NULL on failure */
+ar_archive *ar_open_7z_archive(ar_stream *stream);
+
+#endif