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-rw-r--r--test/readdir_inode.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/test/readdir_inode.c b/test/readdir_inode.c
new file mode 100644
index 0000000..7f46c0a
--- /dev/null
+++ b/test/readdir_inode.c
@@ -0,0 +1,45 @@
+/*
+ * Prints each directory entry and its inode as returned by 'readdir'.
+ * Skips '.' and '..' because readdir is not required to return them and
+ * some of our examples don't.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+
+int main(int argc, char* argv[])
+{
+ DIR* dirp;
+ struct dirent* dent;
+
+ if (argc != 2) {
+ fprintf(stderr, "Usage: readdir_inode dir\n");
+ return 1;
+ }
+
+ dirp = opendir(argv[1]);
+ if (dirp == NULL) {
+ perror("failed to open directory");
+ return 2;
+ }
+
+ errno = 0;
+ dent = readdir(dirp);
+ while (dent != NULL) {
+ if (strcmp(dent->d_name, ".") != 0 && strcmp(dent->d_name, "..") != 0) {
+ printf("%llu %s\n", (unsigned long long)dent->d_ino, dent->d_name);
+ }
+ dent = readdir(dirp);
+ }
+ if (errno != 0) {
+ perror("failed to read directory entry");
+ return 3;
+ }
+
+ closedir(dirp);
+
+ return 0;
+}