Changeset 24889 in vbox for trunk

Timestamp:

Nov 24, 2009 11:09:45 AM (15 years ago)

Author:

vboxsync

Message:

IPRT: Added RTFileQueryFsSizes.

Location:

trunk

Files:

• include/iprt/file.h (modified) (2 diffs)
• include/iprt/fs.h (modified) (1 diff)
• src/VBox/Runtime/r3/posix/fileio-posix.cpp (modified) (2 diffs)
• src/VBox/Runtime/r3/win/fileio-win.cpp (modified) (1 diff)

trunk/include/iprt/file.h

@@ -643 +643 @@
  *
  * @returns iprt status code.
- * @returns VERR_NOT_SUPPORTED is returned if the operation isn't supported by the OS.
+ * @retval  VERR_NOT_SUPPORTED is returned if the operation isn't supported by
+ *          the OS.
  *
  * @param   File                Handle to the file.
@@ -744 +745 @@
  */
 RTR3DECL(int) RTFileIoCtl(RTFILE File, int iRequest, void *pvData, unsigned cbData, int *piRet);
+
+/**
+ * Query the sizes of a filesystem.
+ *
+ * @returns iprt status code.
+ * @retval  VERR_NOT_SUPPORTED is returned if the operation isn't supported by
+ *          the OS.
+ *
+ * @param   hFile       The file handle.
+ * @param   pcbTotal    Where to store the total filesystem space. (Optional)
+ * @param   pcbFree     Where to store the remaining free space in the filesystem. (Optional)
+ * @param   pcbBlock    Where to store the block size. (Optional)
+ * @param   pcbSector   Where to store the sector size. (Optional)
+ *
+ * @sa      RTFsQuerySizes
+ */
+RTR3DECL(int) RTFileQueryFsSizes(RTFILE hFile, PRTFOFF pcbTotal, RTFOFF *pcbFree,
+                                 uint32_t *pcbBlock, uint32_t *pcbSector);
 
 /**

trunk/include/iprt/fs.h

@@ -341 +341 @@
  * @param   pcbBlock        Where to store the block size. (Optional)
  * @param   pcbSector       Where to store the sector size. (Optional)
+ *
+ * @sa      RTFileQueryFsSizes
  */
 RTR3DECL(int) RTFsQuerySizes(const char *pszFsPath, PRTFOFF pcbTotal, RTFOFF *pcbFree,

trunk/src/VBox/Runtime/r3/posix/fileio-posix.cpp

@@ -47 +47 @@
 # include <unistd.h>
 # include <sys/time.h>
+# include <sys/statvfs.h>
 #endif
 #ifdef RT_OS_LINUX
@@ -718 +719 @@
 
 
+RTR3DECL(int) RTFileQueryFsSizes(RTFILE hFile, PRTFOFF pcbTotal, RTFOFF *pcbFree,
+                                 uint32_t *pcbBlock, uint32_t *pcbSector)
+{
+    struct statvfs StatVFS;
+    RT_ZERO(StatVFS);
+    if (fstatvfs(hFile, &StatVFS))
+        return RTErrConvertFromErrno(errno);
+
+    /*
+     * Calc the returned values.
+     */
+    if (pcbTotal)
+        *pcbTotal = (RTFOFF)StatVFS.f_blocks * StatVFS.f_frsize;
+    if (pcbFree)
+        *pcbFree = (RTFOFF)StatVFS.f_bavail * StatVFS.f_frsize;
+    if (pcbBlock)
+        *pcbBlock = StatVFS.f_frsize;
+    /* no idea how to get the sector... */
+    if (pcbSector)
+        *pcbSector = 512;
+
+    return VINF_SUCCESS;
+}
+
+
+
 RTR3DECL(int) RTFileRename(const char *pszSrc, const char *pszDst, unsigned fRename)
 {

trunk/src/VBox/Runtime/r3/win/fileio-win.cpp

@@ -790 +790 @@
 
 
+RTR3DECL(int) RTFileQueryFsSizes(RTFILE hFile, PRTFOFF pcbTotal, RTFOFF *pcbFree,
+                                 uint32_t *pcbBlock, uint32_t *pcbSector)
+{
+    return VERR_NOT_SUPPORTED;
+}
+
+
 RTR3DECL(int)  RTFileDelete(const char *pszFilename)
 {