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Unified Diff: fusl/src/dirent/fdopendir.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/dirent/fdopendir.c
diff --git a/fusl/src/dirent/fdopendir.c b/fusl/src/dirent/fdopendir.c
new file mode 100644
index 0000000000000000000000000000000000000000..c377271da53919acb39f5929ded9d77f874f7e55
--- /dev/null
+++ b/fusl/src/dirent/fdopendir.c
@@ -0,0 +1,27 @@
+#include <dirent.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <stdlib.h>
+#include "__dirent.h"
+
+DIR *fdopendir(int fd)
+{
+ DIR *dir;
+ struct stat st;
+
+ if (fstat(fd, &st) < 0) {
+ return 0;
+ }
+ if (!S_ISDIR(st.st_mode)) {
+ errno = ENOTDIR;
+ return 0;
+ }
+ if (!(dir = calloc(1, sizeof *dir))) {
+ return 0;
+ }
+
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
+ dir->fd = fd;
+ return dir;
+}
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