Changeset 67180 in vbox

Timestamp:

May 31, 2017 7:39:10 PM (8 years ago)

Author:

vboxsync

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

115857

Message:

IPRT: Added RTVfsMemIoStrmCreate for convenience.

Location:

trunk

Files:

• include/iprt/mangling.h (modified) (1 diff)
• include/iprt/vfs.h (modified) (2 diffs)
• src/VBox/Runtime/common/vfs/vfsmemory.cpp (modified) (1 diff)

trunk/include/iprt/mangling.h

@@ -2376 +2376 @@
 # define RTVfsLockRetainDebug                           RT_MANGLER(RTVfsLockRetainDebug)
 # define RTVfsMemFileCreate                             RT_MANGLER(RTVfsMemFileCreate)
+# define RTVfsMemIoStrmCreate                           RT_MANGLER(RTVfsMemIoStrmCreate)
 # define RTVfsMemorizeIoStreamAsFile                    RT_MANGLER(RTVfsMemorizeIoStreamAsFile)
 # define RTVfsNew                                       RT_MANGLER(RTVfsNew)

trunk/include/iprt/vfs.h

@@ -1216 +1216 @@
 RTDECL(int) RTVfsMemorizeIoStreamAsFile(RTVFSIOSTREAM hVfsIos, uint32_t fFlags, PRTVFSFILE phVfsFile);
 
-
 /**
  * Creates a VFS file from a memory buffer.
@@ -1242 +1241 @@
  * @param   phVfsFile       Where to return the handle to the memory file on
  *                          success.
+ * @sa      RTVfsMemIoStrmCreate
  */
 RTDECL(int) RTVfsMemFileCreate(RTVFSIOSTREAM hVfsIos, size_t cbEstimate, PRTVFSFILE phVfsFile);
+
+/**
+ * Creates a memory backed VFS file object for read and write.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   hVfsIos         The VFS I/O stream to memorize.  This will be read
+ *                          to the end on success, on failure its position is
+ *                          undefined.
+ * @param   cbEstimate      The estimated file size.
+ * @param   phVfsIos        Where to return the handle to the memory I/O stream
+ *                          on success.
+ * @sa      RTVfsMemFileCreate
+ */
+RTDECL(int) RTVfsMemIoStrmCreate(RTVFSIOSTREAM hVfsIos, size_t cbEstimate, PRTVFSIOSTREAM phVfsIos);
 
 /**

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

@@ -817 +817 @@
 
 
+RTDECL(int) RTVfsMemIoStrmCreate(RTVFSIOSTREAM hVfsIos, size_t cbEstimate, PRTVFSIOSTREAM phVfsIos)
+{
+    RTVFSFILE hVfsFile;
+    int rc = RTVfsMemFileCreate(hVfsIos, cbEstimate, &hVfsFile);
+    if (RT_SUCCESS(rc))
+    {
+        *phVfsIos = RTVfsFileToIoStream(hVfsFile);
+        AssertStmt(*phVfsIos != NIL_RTVFSIOSTREAM, rc = VERR_INTERNAL_ERROR_2);
+        RTVfsFileRelease(hVfsFile);
+    }
+    return rc;
+}
+
+
 RTDECL(int) RTVfsFileFromBuffer(uint32_t fFlags, void const *pvBuf, size_t cbBuf, PRTVFSFILE phVfsFile)
 {