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authorVladimir Azarov <avm@intermediate-node.net>2024-10-01 15:47:05 +0200
committerVladimir Azarov <avm@intermediate-node.net>2024-10-01 15:47:05 +0200
commit4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch)
treeebf009bf1376a5a223a915bc27cbbd791a1316bc /src/dirent/readdir_r.c
Initial version
Diffstat (limited to 'src/dirent/readdir_r.c')
-rw-r--r--src/dirent/readdir_r.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/dirent/readdir_r.c b/src/dirent/readdir_r.c
new file mode 100644
index 0000000..0d5de5f
--- /dev/null
+++ b/src/dirent/readdir_r.c
@@ -0,0 +1,27 @@
+#include <dirent.h>
+#include <errno.h>
+#include <string.h>
+#include "__dirent.h"
+#include "lock.h"
+
+int readdir_r(DIR *restrict dir, struct dirent *restrict buf, struct dirent **restrict result)
+{
+ struct dirent *de;
+ int errno_save = errno;
+ int ret;
+
+ LOCK(dir->lock);
+ errno = 0;
+ de = readdir(dir);
+ if ((ret = errno)) {
+ UNLOCK(dir->lock);
+ return ret;
+ }
+ errno = errno_save;
+ if (de) memcpy(buf, de, de->d_reclen);
+ else buf = NULL;
+
+ UNLOCK(dir->lock);
+ *result = buf;
+ return 0;
+}