}
-/*
- *-----------------------------------------------------------------------------
- *
- * HgfsServerScanvdir --
- *
- * Perform a scandir on our virtual directory.
- *
- * Get directory entry names from the given callback function, and
- * build an array of DirectoryEntrys of all the names. Somewhat similar to
- * scandir(3) on linux, but more general.
- *
- * Results:
- * On success, the number of directory entries found.
- * On failure, negative error.
- *
- * Side effects:
- * Memory allocation.
- *
- *-----------------------------------------------------------------------------
- */
-
-static HgfsInternalStatus
-HgfsServerScanvdir(HgfsGetNameFunc enumNamesGet, // IN: Function to get name
- HgfsInitFunc enumNamesInit, // IN: Setup function
- HgfsCleanupFunc enumNamesExit, // IN: Cleanup function
- DirectoryEntry ***dents, // OUT: Array of DirectoryEntrys
- uint32 *numDents) // OUT: total number of directory entrys
-{
- HgfsInternalStatus status = HGFS_ERROR_SUCCESS;
- uint32 totalDents = 0; // Number of allocated dents
- uint32 myNumDents = 0; // Current actual number of dents
- DirectoryEntry **myDents = NULL; // So realloc is happy w/ zero myNumDents
- void *enumNamesHandle;
-
- ASSERT(NULL != enumNamesInit);
- ASSERT(NULL != enumNamesGet);
- ASSERT(NULL != enumNamesExit);
-
- enumNamesHandle = enumNamesInit();
- if (NULL == enumNamesHandle) {
- status = HGFS_ERROR_NOT_ENOUGH_MEMORY;
- LOG(4, ("%s: Error: init state ret %u\n", __FUNCTION__, status));
- goto exit;
- }
-
- for (;;) {
- DirectoryEntry *currentEntry;
- char const *currentEntryName;
- size_t currentEntryNameLen;
- size_t currentEntryLen;
- size_t maxNameLen;
- Bool done = FALSE;
-
- /* Add '.' and ".." as the first dents. */
- if (myNumDents == 0) {
- currentEntryName = ".";
- currentEntryNameLen = 1;
- } else if (myNumDents == 1) {
- currentEntryName = "..";
- currentEntryNameLen = 2;
- } else {
- if (!enumNamesGet(enumNamesHandle, ¤tEntryName, ¤tEntryNameLen, &done)) {
- status = HGFS_ERROR_INVALID_PARAMETER;
- LOG(4, ("%s: Error: get next entry name ret %u\n", __FUNCTION__, status));
- goto exit;
- }
- }
-
- if (done) {
- LOG(4, ("%s: No more names\n", __FUNCTION__));
- break;
- }
-
-#if defined(sun)
- /*
- * Solaris lacks a single definition of NAME_MAX and using pathconf(), to
- * determine NAME_MAX for the current directory, is too cumbersome for
- * our purposes, so we use PATH_MAX as a reasonable upper bound on the
- * length of the name.
- */
- maxNameLen = PATH_MAX;
-#else
- maxNameLen = sizeof currentEntry->d_name;
-#endif
- if (currentEntryNameLen >= maxNameLen) {
- Log("%s: Error: Name \"%s\" is too long.\n", __FUNCTION__, currentEntryName);
- continue;
- }
-
- /* See if we need to allocate more memory */
- if (myNumDents == totalDents) {
- void *p;
-
- if (totalDents != 0) {
- totalDents *= 2;
- } else {
- totalDents = 100;
- }
- p = realloc(myDents, totalDents * sizeof *myDents);
- if (NULL == p) {
- status = HGFS_ERROR_NOT_ENOUGH_MEMORY;
- LOG(4, ("%s: Error: realloc growing array memory ret %u\n", __FUNCTION__, status));
- goto exit;
- }
- myDents = p;
- }
-
- /* This file/directory can be added to the list. */
- LOG(4, ("%s: Nextfilename = \"%s\"\n", __FUNCTION__, currentEntryName));
-
- /*
- * Start with the size of the DirectoryEntry struct, subtract the static
- * length of the d_name buffer (256 in Linux, 1 in Solaris, etc) and add
- * back just enough space for the UTF-8 name and nul terminator.
- */
-
- currentEntryLen = offsetof(DirectoryEntry, d_name) + currentEntryNameLen + 1;
- currentEntry = malloc(currentEntryLen);
- if (NULL == currentEntry) {
- status = HGFS_ERROR_NOT_ENOUGH_MEMORY;
- LOG(4, ("%s: Error: allocate dentry memory ret %u\n", __FUNCTION__, status));
- goto exit;
- }
- currentEntry->d_reclen = (unsigned short)currentEntryLen;
- memcpy(currentEntry->d_name, currentEntryName, currentEntryNameLen);
- currentEntry->d_name[currentEntryNameLen] = 0;
-
- myDents[myNumDents] = currentEntry;
- myNumDents++;
- }
-
- /* Trim extra memory off of dents */
- {
- void *p;
-
- p = realloc(myDents, myNumDents * sizeof *myDents);
- if (NULL != p) {
- myDents = p;
- } else {
- LOG(4, ("%s: Error: realloc trimming array memory\n", __FUNCTION__));
- }
- }
-
- *dents = myDents;
- *numDents = myNumDents;
-
-exit:
- if (NULL != enumNamesHandle) {
- /* Call the exit callback to teardown any state. */
- if (!enumNamesExit(enumNamesHandle)) {
- LOG(4, ("%s: Error cleanup failed\n", __FUNCTION__));
- }
- }
-
- if (HGFS_ERROR_SUCCESS != status) {
- unsigned int i;
-
- /* Free whatever has been allocated so far */
- for (i = 0; i < myNumDents; i++) {
- free(myDents[i]);
- }
-
- free(myDents);
- }
-
- return status;
-}
-
-
/*
*-----------------------------------------------------------------------------
*
goto out;
}
- status = HgfsServerScanvdir(getName,
- initName,
- cleanupName,
- &search->dents,
- &search->numDents);
+ status = HgfsPlatformScanvdir(getName,
+ initName,
+ cleanupName,
+ &search->dents,
+ &search->numDents);
if (HGFS_ERROR_SUCCESS != status) {
LOG(4, ("%s: couldn't get dents\n", __FUNCTION__));
HgfsRemoveSearchInternal(search, session);
HgfsFreeSearchDirents(vdirSearch);
/* Restart by rescanning the virtual directory. */
- status = HgfsServerScanvdir(getName,
- initName,
- cleanupName,
- &vdirSearch->dents,
- &vdirSearch->numDents);
+ status = HgfsPlatformScanvdir(getName,
+ initName,
+ cleanupName,
+ &vdirSearch->dents,
+ &vdirSearch->numDents);
if (HGFS_ERROR_SUCCESS != status) {
ASSERT_DEVEL(0);
LOG(4, ("%s: couldn't get root dents %u\n", __FUNCTION__, status));
}
+/*
+ *-----------------------------------------------------------------------------
+ *
+ * HgfsPlatformScanvdir --
+ *
+ * Perform a scandir on our virtual directory.
+ *
+ * Get directory entry names from the given callback function, and
+ * build an array of DirectoryEntrys of all the names. Somewhat similar to
+ * scandir(3) on linux, but more general.
+ *
+ * Results:
+ * On success, the number of directory entries found.
+ * On failure, negative error.
+ *
+ * Side effects:
+ * Memory allocation.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+HgfsInternalStatus
+HgfsPlatformScanvdir(HgfsGetNameFunc enumNamesGet, // IN: Function to get name
+ HgfsInitFunc enumNamesInit, // IN: Setup function
+ HgfsCleanupFunc enumNamesExit, // IN: Cleanup function
+ DirectoryEntry ***dents, // OUT: Array of DirectoryEntrys
+ uint32 *numDents) // OUT: total number of directory entrys
+{
+ HgfsInternalStatus status = HGFS_ERROR_SUCCESS;
+ uint32 totalDents = 0; // Number of allocated dents
+ uint32 myNumDents = 0; // Current actual number of dents
+ DirectoryEntry **myDents = NULL; // So realloc is happy w/ zero myNumDents
+ void *enumNamesHandle;
+
+ ASSERT(NULL != enumNamesInit);
+ ASSERT(NULL != enumNamesGet);
+ ASSERT(NULL != enumNamesExit);
+
+ enumNamesHandle = enumNamesInit();
+ if (NULL == enumNamesHandle) {
+ status = HGFS_ERROR_NOT_ENOUGH_MEMORY;
+ LOG(4, ("%s: Error: init state ret %u\n", __FUNCTION__, status));
+ goto exit;
+ }
+
+ for (;;) {
+ DirectoryEntry *currentEntry;
+ char const *currentEntryName;
+ size_t currentEntryNameLen;
+ size_t currentEntryLen;
+ size_t maxNameLen;
+ Bool done = FALSE;
+
+ /* Add '.' and ".." as the first dents. */
+ if (myNumDents == 0) {
+ currentEntryName = ".";
+ currentEntryNameLen = 1;
+ } else if (myNumDents == 1) {
+ currentEntryName = "..";
+ currentEntryNameLen = 2;
+ } else {
+ if (!enumNamesGet(enumNamesHandle, ¤tEntryName, ¤tEntryNameLen, &done)) {
+ status = HGFS_ERROR_INVALID_PARAMETER;
+ LOG(4, ("%s: Error: get next entry name ret %u\n", __FUNCTION__, status));
+ goto exit;
+ }
+ }
+
+ if (done) {
+ LOG(4, ("%s: No more names\n", __FUNCTION__));
+ break;
+ }
+
+#if defined(sun)
+ /*
+ * Solaris lacks a single definition of NAME_MAX and using pathconf(), to
+ * determine NAME_MAX for the current directory, is too cumbersome for
+ * our purposes, so we use PATH_MAX as a reasonable upper bound on the
+ * length of the name.
+ */
+ maxNameLen = PATH_MAX;
+#else
+ maxNameLen = sizeof currentEntry->d_name;
+#endif
+ if (currentEntryNameLen >= maxNameLen) {
+ Log("%s: Error: Name \"%s\" is too long.\n", __FUNCTION__, currentEntryName);
+ continue;
+ }
+
+ /* See if we need to allocate more memory */
+ if (myNumDents == totalDents) {
+ void *p;
+
+ if (totalDents != 0) {
+ totalDents *= 2;
+ } else {
+ totalDents = 100;
+ }
+ p = realloc(myDents, totalDents * sizeof *myDents);
+ if (NULL == p) {
+ status = HGFS_ERROR_NOT_ENOUGH_MEMORY;
+ LOG(4, ("%s: Error: realloc growing array memory ret %u\n", __FUNCTION__, status));
+ goto exit;
+ }
+ myDents = p;
+ }
+
+ /* This file/directory can be added to the list. */
+ LOG(4, ("%s: Nextfilename = \"%s\"\n", __FUNCTION__, currentEntryName));
+
+ /*
+ * Start with the size of the DirectoryEntry struct, subtract the static
+ * length of the d_name buffer (256 in Linux, 1 in Solaris, etc) and add
+ * back just enough space for the UTF-8 name and nul terminator.
+ */
+
+ currentEntryLen = offsetof(DirectoryEntry, d_name) + currentEntryNameLen + 1;
+ currentEntry = malloc(currentEntryLen);
+ if (NULL == currentEntry) {
+ status = HGFS_ERROR_NOT_ENOUGH_MEMORY;
+ LOG(4, ("%s: Error: allocate dentry memory ret %u\n", __FUNCTION__, status));
+ goto exit;
+ }
+ currentEntry->d_reclen = (unsigned short)currentEntryLen;
+ memcpy(currentEntry->d_name, currentEntryName, currentEntryNameLen);
+ currentEntry->d_name[currentEntryNameLen] = 0;
+
+ myDents[myNumDents] = currentEntry;
+ myNumDents++;
+ }
+
+ /* Trim extra memory off of dents */
+ {
+ void *p;
+
+ p = realloc(myDents, myNumDents * sizeof *myDents);
+ if (NULL != p) {
+ myDents = p;
+ } else {
+ LOG(4, ("%s: Error: realloc trimming array memory\n", __FUNCTION__));
+ }
+ }
+
+ *dents = myDents;
+ *numDents = myNumDents;
+
+exit:
+ if (NULL != enumNamesHandle) {
+ /* Call the exit callback to teardown any state. */
+ if (!enumNamesExit(enumNamesHandle)) {
+ LOG(4, ("%s: Error cleanup failed\n", __FUNCTION__));
+ }
+ }
+
+ if (HGFS_ERROR_SUCCESS != status) {
+ unsigned int i;
+
+ /* Free whatever has been allocated so far */
+ for (i = 0; i < myNumDents; i++) {
+ free(myDents[i]);
+ }
+
+ free(myDents);
+ }
+
+ return status;
+}
+
+
/*
*----------------------------------------------------------------------
*
projects / thirdparty / open-vm-tools.git / commitdiff
