diff options
| author | [email protected] <[email protected]> | 2010-11-18 11:31:54 +0000 |
|---|---|---|
| committer | [email protected] <[email protected]> | 2010-11-18 11:31:54 +0000 |
| commit | d9cb84f4840c49993cfbcc80057488c50eae60cb (patch) | |
| tree | 9077055207bb6faa59cd565d37a77aa12e39b53c /examples/libc/dirent.c | |
| parent | 019b6542012115190cfbde415532c8940cc47500 (diff) | |
add libc testcase.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1061 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'examples/libc/dirent.c')
| -rw-r--r-- | examples/libc/dirent.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/examples/libc/dirent.c b/examples/libc/dirent.c new file mode 100644 index 0000000000..a763ecb022 --- /dev/null +++ b/examples/libc/dirent.c @@ -0,0 +1,56 @@ +/*
+ * dirent.c
+ *
+ * Created on: 2010-11-17
+ * Author: bernard
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <finsh.h>
+
+#include <dirent.h>
+int libc_dirent()
+{
+ DIR * dirp;
+ long int save3 = 0;
+ long int cur;
+ int i = 0;
+ int result = 0;
+ struct dirent *dp;
+
+ dirp = opendir("/");
+ for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp))
+ {
+ /* save position 3 (after fourth entry) */
+ if (i++ == 3)
+ save3 = telldir(dirp);
+
+ printf("%s\n", dp->d_name);
+
+ /* stop at 400 (just to make sure dirp->__offset and dirp->__size are
+ scrambled */
+ if (i == 400)
+ break;
+ }
+
+ printf("going back past 4-th entry...\n");
+
+ /* go back to saved entry */
+ seekdir(dirp, save3);
+
+ /* Check whether telldir equals to save3 now. */
+ cur = telldir(dirp);
+ if (cur != save3)
+ {
+ printf("seekdir (d, %ld); telldir (d) == %ld\n", save3, cur);
+ result = 1;
+ }
+
+ /* print remaining files (3-last) */
+ for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp))
+ printf("%s\n", dp->d_name);
+
+ closedir(dirp);
+ return result;
+}
+FINSH_FUNCTION_EXPORT(libc_dirent, dirent test for libc);
|