Changeset 66366470 in mainline for uspace/lib/c

Timestamp:

2013-07-04T18:55:31Z (12 years ago)

Author:

Manuele Conti <conti.ma@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9dc6083

Parents:

d8b47eca

Message:

Start to implement df command line tool.

Location:

uspace/lib/c

Files:

• generic/vfs/vfs.c (modified) (1 diff)
• include/ipc/vfs.h (modified) (1 diff)
• include/vfs/vfs.h (modified) (2 diffs)

uspace/lib/c/generic/vfs/vfs.c

@@ -892 +892 @@
 }
 
+int statfs(const char *path, struct statfs *buf)
+{
+        sysarg_t rc;
+        //aid_t req;
+
+        if ( NULL == buf )
+                return 1;
+
+        sysarg_t value;
+        async_exch_t *exch = vfs_exchange_begin();      
+        rc = async_req_0_1(exch, VFS_IN_STATFS, &value);
+        if (rc != EOK)
+                goto exit;
+
+        buf->f_bsize = value;
+exit:
+        vfs_exchange_end(exch);
+        return rc;
+}
+
 /** @}
  */

uspace/lib/c/include/ipc/vfs.h

@@ -82 +82 @@
         VFS_IN_WAIT_HANDLE,
         VFS_IN_MTAB_GET,
+        VFS_IN_STATFS
 } vfs_in_request_t;
 

uspace/lib/c/include/vfs/vfs.h

@@ -44 +44 @@
 #include "vfs_mtab.h"
 
+
 enum vfs_change_state_type {
         VFS_PASS_HANDLE
 };
+
+struct statfs { 
+        short   f_type;     /* type of file system  */
+        long    f_bsize;    /* fundamental file system block size */
+        long    f_blocks;   /* total data blocks in file system */
+        long    f_bfree;    /* free blocks in fs */
+};
+
 
 extern char *absolutize(const char *, size_t *);
@@ -61 +70 @@
 extern async_exch_t *vfs_exchange_begin(void);
 extern void vfs_exchange_end(async_exch_t *);
-
+extern int statfs(const char *path, struct statfs *buf);
 #endif