Changeset 67116 in vbox for trunk/src/VBox/Runtime/common/vfs

Timestamp:

May 26, 2017 12:51:18 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

115783

Message:

IPRT: Started on VFS file system output streams for implementing TAR creation.

File:

• trunk/src/VBox/Runtime/common/vfs/vfsbase.cpp (modified) (4 diffs)

trunk/src/VBox/Runtime/common/vfs/vfsbase.cpp

@@ -1914 +1914 @@
 
 
-RTDECL(int) RTVfsNewFsStream(PCRTVFSFSSTREAMOPS pFsStreamOps, size_t cbInstance, RTVFS hVfs, RTVFSLOCK hLock,
+RTDECL(int) RTVfsNewFsStream(PCRTVFSFSSTREAMOPS pFsStreamOps, size_t cbInstance, RTVFS hVfs, RTVFSLOCK hLock, bool fReadOnly,
                              PRTVFSFSSTREAM phVfsFss, void **ppvInstance)
 {
@@ -1925 +1925 @@
     Assert(!pFsStreamOps->fReserved);
     RTVFSOBJ_ASSERT_OPS(&pFsStreamOps->Obj, RTVFSOBJTYPE_FS_STREAM);
-    AssertPtr(pFsStreamOps->pfnNext);
+    if (fReadOnly)
+        AssertPtr(pFsStreamOps->pfnNext);
+    else
+        AssertPtr(pFsStreamOps->pfnAdd);
     Assert(cbInstance > 0);
     AssertPtr(ppvInstance);
@@ -1950 +1953 @@
 
     pThis->uMagic = RTVFSFSSTREAM_MAGIC;
-    pThis->fFlags = RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE;
+    pThis->fFlags = fReadOnly
+                  ? RTFILE_O_READ  | RTFILE_O_OPEN   | RTFILE_O_DENY_NONE
+                  : RTFILE_O_WRITE | RTFILE_O_CREATE | RTFILE_O_DENY_ALL;
     pThis->pOps   = pFsStreamOps;
 
@@ -2018 +2023 @@
         *phVfsObj = NIL_RTVFSOBJ;
 
+    AssertReturn(pThis->fFlags & RTFILE_O_READ, VERR_INVALID_FUNCTION);
+
     return pThis->pOps->pfnNext(pThis->Base.pvThis, ppszName, penmType, phVfsObj);
 }
 
+
+RTDECL(int)         RTVfsFsStrmAdd(RTVFSFSSTREAM hVfsFss, const char *pszPath, RTVFSOBJ hVfsObj, uint32_t fFlags)
+{
+    RTVFSFSSTREAMINTERNAL *pThis = hVfsFss;
+    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
+    AssertReturn(pThis->uMagic == RTVFSFSSTREAM_MAGIC, VERR_INVALID_HANDLE);
+    AssertPtrNullReturn(pszPath, VERR_INVALID_POINTER);
+    AssertPtrReturn(hVfsObj, VERR_INVALID_HANDLE);
+    AssertReturn(hVfsObj->uMagic == RTVFSOBJ_MAGIC, VERR_INVALID_HANDLE);
+    AssertReturn(pThis->fFlags & RTFILE_O_WRITE, VERR_INVALID_FUNCTION);
+
+    return pThis->pOps->pfnAdd(pThis->Base.pvThis, pszPath, hVfsObj, fFlags);
+}