Changeset 0ed9cb6 in mainline

Timestamp:

2013-07-25T11:22:55Z (11 years ago)

Author:

Ji?? Z?rev?cky <zarevucky.jiri@…>

Branches:

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

Children:

b1cdc44a

Parents:

ff8c87c

Message:

Implement stat() using walk() and fstat().

File:

• uspace/lib/c/generic/vfs/vfs.c (modified) (1 diff)

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

@@ -575 +575 @@
 int stat(const char *path, struct stat *stat)
 {
-        sysarg_t rc;
-        sysarg_t rc_orig;
-        aid_t req;
-        
         size_t pa_size;
         char *pa = absolutize(path, &pa_size);
-        if (!pa)
+        if (!pa) {
                 return ENOMEM;
-        
-        async_exch_t *exch = vfs_exchange_begin();
-        
-        req = async_send_0(exch, VFS_IN_STAT, NULL);
-        rc = async_data_write_start(exch, pa, pa_size);
-        if (rc != EOK) {
-                vfs_exchange_end(exch);
-                free(pa);
-                async_wait_for(req, &rc_orig);
-                if (rc_orig == EOK)
-                        return (int) rc;
-                else
-                        return (int) rc_orig;
-        }
-        rc = async_data_read_start(exch, stat, sizeof(struct stat));
-        if (rc != EOK) {
-                vfs_exchange_end(exch);
-                free(pa);
-                async_wait_for(req, &rc_orig);
-                if (rc_orig == EOK)
-                        return (int) rc;
-                else
-                        return (int) rc_orig;
-        }
-        vfs_exchange_end(exch);
-        free(pa);
-        async_wait_for(req, &rc);
+        }
+        
+        int fd = _vfs_walk(-1, pa, 0);
+        if (fd < 0) {
+                return fd;
+        }
+        
+        int rc = fstat(fd, stat);
+        close(fd);
         return rc;
 }