Moved dirent.h functions from unistd/directory.c to new dirent.c file.

Added dirfd() call for BeOS compatibility.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8951 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/libroot/posix/Jamfile

@@ -5,6 +5,7 @@ UsePrivateHeaders [ FDirName syslog_daemon ] ;
 KernelMergeObject posix_main.o :
  	assert.c
  	dlfcn.c
+ 	dirent.c
  	errno.c
  	fnmatch.c
  	glob.c

src/kernel/libroot/posix/dirent.c

@@ -0,0 +1,99 @@
+/* 
+** Copyright 2004, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the Haiku License.
+*/
+
+
+#include <syscalls.h>
+
+#include <dirent.h>
+#include <errno.h>
+#include <stdlib.h>
+
+
+#define BUFFER_SIZE 4096
+
+
+#define RETURN_AND_SET_ERRNO(err) \
+	if (err < 0) { \
+		errno = err; \
+		return -1; \
+	} \
+	return err;
+
+
+DIR *
+opendir(const char *path)
+{
+	DIR *dir;
+
+	int fd = _kern_open_dir(-1, path);
+	if (fd < 0) {
+		errno = fd;
+		return NULL;
+	}
+
+	/* allocate the memory for the DIR structure */
+	if ((dir = (DIR *)malloc(sizeof(DIR) + BUFFER_SIZE)) == NULL) {
+		errno = B_NO_MEMORY;
+		_kern_close(fd);
+		return NULL;
+	}
+
+	dir->fd = fd;
+
+	return dir;
+}
+
+
+int
+closedir(DIR *dir)
+{
+	int status = _kern_close(dir->fd);
+
+	free(dir);
+
+	RETURN_AND_SET_ERRNO(status);
+}
+
+
+struct dirent *
+readdir(DIR *dir)
+{
+	/* get the next entry and return a pointer to a dirent structure 
+	 * containing the data
+	 */
+	
+	ssize_t count = _kern_read_dir(dir->fd, &dir->ent, BUFFER_SIZE, 1);
+	if (count <= 0) {
+		if (count < 0)
+			errno = count;
+
+		return NULL;
+	}
+	
+	return &dir->ent;
+}
+
+
+void
+rewinddir(DIR *dir)
+{
+	status_t status = _kern_rewind_dir(dir->fd);
+	if (status < 0)
+		errno = status;
+}
+
+
+/** This is no POSIX compatible call; it's not exported in the headers
+ *	but here for BeOS compatiblity.
+ */
+
+
+int dirfd(DIR *dir);
+
+int
+dirfd(DIR *dir)
+{
+	return dir->fd;
+}

src/kernel/libroot/posix/unistd/directory.c

@@ -1,19 +1,13 @@
 /* 
-** Copyright 2002, Axel Dörfler, [email protected]. All rights reserved.
+** Copyright 2002-2004, Axel Dörfler, [email protected]. All rights reserved.
-** Distributed under the terms of the OpenBeOS License.
+** Distributed under the terms of the Haiku License.
 */
 
-#include <unistd.h>
+
 #include <syscalls.h>
-#include <fcntl.h>
+
+#include <unistd.h>
 #include <errno.h>
-#include <dirent.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-
-#define BUFFER_SIZE 4096
 
 
 #define RETURN_AND_SET_ERRNO(err) \
@@ -24,69 +18,6 @@
 	return err;
 
 
-DIR *
-opendir(const char *path)
-{
-	DIR *dir;
-
-	int fd = _kern_open_dir(-1, path);
-	if (fd < 0) {
-		errno = fd;
-		return NULL;
-	}
-
-	/* allocate the memory for the DIR structure */
-	if ((dir = (DIR *)malloc(sizeof(DIR) + BUFFER_SIZE)) == NULL) {
-		errno = B_NO_MEMORY;
-		_kern_close(fd);
-		return NULL;
-	}
-
-	dir->fd = fd;
-
-	return dir;
-}
-
-
-int
-closedir(DIR *dir)
-{
-	int status = _kern_close(dir->fd);
-
-	free(dir);
-
-	RETURN_AND_SET_ERRNO(status);
-}
-
-
-struct dirent *
-readdir(DIR *dir)
-{
-	/* get the next entry and return a pointer to a dirent structure 
-	 * containing the data
-	 */
-	
-	ssize_t count = _kern_read_dir(dir->fd, &dir->ent, BUFFER_SIZE, 1);
-	if (count <= 0) {
-		if (count < 0)
-			errno = count;
-
-		return NULL;
-	}
-	
-	return &dir->ent;
-}
-
-
-void
-rewinddir(DIR *dirp)
-{
-	status_t status = _kern_rewind_dir(dirp->fd);
-	if (status < 0)
-		errno = status;
-}
-
-
 int 
 chdir(const char *path)
 {