This file is part of MXE. See index.html for further information. This patch has been taken from: https://github.com/Alexpux/MINGW-packages/tree/master/mingw-w64-zlib From c162a3620a3d0d317f59af8ddc2d1605bf5ee4b3 Mon Sep 17 00:00:00 2001 From: martell Date: Sat, 11 Oct 2014 03:32:38 +0100 Subject: [PATCH 1/3] unzip: add function unzOpenBuffer --- Makefile.am | 1 + unzip.c | 11 +++++++++++ unzip.h | 2 ++ 3 files changed, 14 insertions(+) diff --git a/Makefile.am b/Makefile.am index d83fee7..e2958e6 100644 --- a/Makefile.am +++ b/Makefile.am @@ -19,6 +19,7 @@ libminizip_la_SOURCES = \ ioapi.c \ unzip.c \ zip.c \ + ioapi_mem.c \ ${iowin32_src} libminizip_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0 -lz diff --git a/unzip.c b/unzip.c index ce02265..bb72a66 100644 --- a/unzip.c +++ b/unzip.c @@ -26,6 +26,7 @@ #include "zlib.h" #include "unzip.h" +#include "ioapi_mem.h" #ifdef STDC # include @@ -581,6 +582,16 @@ extern unzFile ZEXPORT unzOpen64(const void *path) return unzOpenInternal(path, NULL, 1); } +extern unzFile ZEXPORT unzOpenBuffer(const void* buffer, uLong size) +{ + char path[48] = {0}; + ourmemory_t FileMemory; + zlib_filefunc64_32_def memory_file; + sprintf(path, "%llx %lx", (unsigned long long)buffer, (unsigned long)size); + fill_memory_filefunc(&memory_file, &FileMemory); + return unzOpenInternal(path, &memory_file, 0); +} + extern int ZEXPORT unzClose(unzFile file) { unz64_s* s; diff --git a/unzip.h b/unzip.h index 22c830f..28fedb9 100644 --- a/unzip.h +++ b/unzip.h @@ -143,6 +143,8 @@ extern unzFile ZEXPORT unzOpen64 OF((const void *path)); open64_file_func callback. Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char* does not describe the reality */ +extern unzFile ZEXPORT unzOpenBuffer OF((const void* buffer, uLong size)); +/* Open a Zip file, like unzOpen, but from a buffer */ extern unzFile ZEXPORT unzOpen2 OF((const char *path, zlib_filefunc_def* pzlib_filefunc_def)); /* Open a Zip file, like unzOpen, but provide a set of file low level API for read/write operations */ extern unzFile ZEXPORT unzOpen2_64 OF((const void *path, zlib_filefunc64_def* pzlib_filefunc_def)); -- 2.1.2