Changements sur les Handles...

3 files changed, 87 insertions, 31 deletions

diff --git a/lib/Handle.cc b/lib/Handle.cc
index 83eb15d..2006b19 100644
--- a/lib/Handle.cc
+++ b/lib/Handle.cc
@@ -37,7 +37,7 @@ enum {
     INFLATE
 };
 
-Handle::Handle(const Handle & nh) : itell(0), h(nh.h >= 0 ? dup(nh.h) : nh.h), closed(nh.closed), nonblock(nh.closed), zfile(0), z(0)
+Handle::Handle(const Handle & nh) : itell(0), hFile(0), h(nh.h >= 0 ? dup(nh.h) : nh.h), closed(nh.closed), nonblock(nh.closed), zfile(0), z(0)
 {
 #ifdef DEBUG
     printm(M_INFO, String(_("Duplication of handle ")) + nh.h + _(" to ") + h + "\n");
@@ -513,3 +513,33 @@ void Handle::Flush() {
 #endif
     }
 }
+
+void * Handle::mmap(off_t offset, size_t length) {
+    if (length == -1) {
+	length = GetSize();
+    }
+#ifndef _WIN32    
+    return ::mmap(0, length, (CanRead() ? PROT_READ : 0) | (CanWrite() ? PROT_WRITE : 0), MAP_SHARED, h, offset);
+#else
+    void * lpvMem = 0;
+    hMapObject = CreateFileMapping(

+	hFile,

+        0,

+	CanWrite() ? PAGE_READWRITE : PAGE_READONLY,

+        0,

+        length,

+        GetName().to_charp());

+    if (hMapObject != NULL) {

+	lpvMem = MapViewOfFile( 

+	    hMapObject,

+	    CanWrite() ? FILE_MAP_WRITE : FILE_MAP_READ,

+	    0,

+	    offset,

+	    length);

+	if (lpvMem == NULL) {

+	    CloseHandle(hMapObject);

+	}

+    }

+    return lpvMem;
+#endif
+}
diff --git a/lib/Input.cc b/lib/Input.cc
index fdff787..a6eb09f 100644
--- a/lib/Input.cc
+++ b/lib/Input.cc
@@ -155,32 +155,24 @@ int Input::wrapopen(const String & fname, openresults_t * results) {
     printm(M_INFO, _("Wrap-opening ") + fname + "\n");
 #endif
     if (fname[0] != '/') {
-	bool t;
+	Archive * t;
 	t = Archive::inarchive(fname);
 	if (t) {
 #ifdef DEBUG
 	    printm(M_BARE, _("Trying to open the file in archive, since it seems to be here\n"));
 #endif
-	    return Archive::open(fname, results);
+#ifdef _WIN32
+	    hFile = t->GetHandle();
+#endif
+	    return t->open(fname, results);
 	}
     }
     results->name = "";
-#if 0
-    return open(fname.to_charp(), O_RDONLY
-#ifdef _WIN32
-	| O_BINARY
-#endif
-	);
+#ifndef _WIN32
+    return open(fname.to_charp(), O_RDONLY);
 #else
-    HANDLE hFile = CreateFile(
-	fname.to_charp(),
-	GENERIC_READ,
-	0,
-	0,
-	OPEN_EXISTING,
-	0,
-	0);
-    return _open_osfhandle((INT_PTR) hFile, O_RDONLY);
+    hFile = CreateFile(fname.to_charp(), GENERIC_READ, FILE_SHARE_WRITE | FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
+    return _open_osfhandle((INT_PTR) hFile, O_RDONLY | O_BINARY);
 #endif
 }
 
@@ -215,14 +207,16 @@ Archive::Archive(Handle * hand, int atype) :
       create();
 }
 
+#ifdef _MSC_VER
 #pragma pack(1)
+#endif
 
 struct PEsection_t {
     char name[8];
     Uint32 VSize, VAdd, SizeOf, Pointer, PTRelocs, PTLNs;
     Uint16 NR, NLN;
     Uint32 Chars;
-};
+} PACKED;
 
 void Archive::create() throw (GeneralException) {
     char buffer[1024];
@@ -305,7 +299,7 @@ Archive::~Archive() {
     delete archive;
 }
 
-bool Archive::inarchive(const String & fname) {
+Archive * Archive::inarchive(const String & fname) {
     Archive * p;
     for (p = header; p; p = p->next) {
 #ifdef DEBUG
@@ -315,13 +309,14 @@ bool Archive::inarchive(const String & fname) {
 #ifdef DEBUG
 	    printm(M_BARE, _("File `") + fname + _("' found in archive ") + p->name + "\n");
 #endif
-	    return true;
+	    return p;
 	}
     }
-    return false;
+    return 0;
 }
 
-int Archive::open(const String & fname, Input::openresults_t * results) throw (GeneralException) {
+int Archive::open(const String & fname, Input::openresults_t * results) {
+#if 0
     Archive * p;
 
     for (p = header; p; p = p->next) {
@@ -331,6 +326,12 @@ int Archive::open(const String & fname, Input::openresults_t * results) throw (G
 	    return p->openin(fname, results);
     }
     throw IOGeneral(_("File `") + fname + _("' not found in archive collection."));
+#endif
+    return openin(fname, results);
+}
+
+Handle * Archive::GetHandle() {
+    return archive;
 }
 
 bool Archive::inarchivein(const String & fname) {
diff --git a/lib/Output.cc b/lib/Output.cc
index b4ed359..912af25 100644
--- a/lib/Output.cc
+++ b/lib/Output.cc
@@ -21,14 +21,7 @@
 #endif
 
 Output::Output(String no, int create, int trunc) throw (GeneralException) :
-    Handle(no.strlen() ? open(no.to_charp(), (create ? O_CREAT : 0) | (trunc ? O_TRUNC : 0)
-#ifdef _WIN32
-| O_RDWR | O_BINARY
-#endif
-#if defined __linux__ || defined __CYGWIN32__
-| O_WRONLY, 00666
-#endif
-) : dup(1)),
+    Handle(no.strlen() ? wrapopen(no.to_charp(), create, trunc) : dup(1)),
     n(no) {
     if (GetHandle() < 0) {
 	throw IOGeneral(String(_("Error opening file ")) + no + _(" for writing: ") + strerror(errno));
@@ -44,6 +37,38 @@ Output::Output(String no, int create, int trunc) throw (GeneralException) :
     date_modif = s.st_mtime;
 }
 
+int Output::wrapopen(const String & n, int create, int trunc) {
+#ifndef _WIN32
+    return open(no.to_charp(), (create ? O_CREAT : 0) |
+	                       (trunc  ? O_TRUNC : 0) | O_WRONLY, 00666);
+#else
+    DWORD dwCreationDisposition;
+    switch ((create ? 1 : 0) | (trunc ? 2 : 0)) {
+    case 0: // no creation, no trunc
+	dwCreationDisposition = OPEN_EXISTING;
+	break;
+    case 1: // creation, no trunc if existing
+	dwCreationDisposition = OPEN_ALWAYS;
+	break;
+    case 2: // no creation, trunc of existing file
+	dwCreationDisposition = TRUNCATE_EXISTING;
+	break;
+    case 3: // creation, truc if existing
+	dwCreationDisposition = CREATE_ALWAYS;
+	break;
+    }
+    hFile = CreateFile(
+	n.to_charp(),
+	GENERIC_WRITE,
+	FILE_SHARE_READ,
+	0,
+	dwCreationDisposition,
+	FILE_ATTRIBUTE_ARCHIVE,
+	0);
+    return _open_osfhandle((INT_PTR) hFile, O_WRONLY | O_BINARY);
+#endif
+}
+
 Output::Output(const Output & o) : Handle(o), n(o.n) {
 }