fix missing flags arg to fstatat syscall in fstat fallback path

[musl] / src / stat / fstat.c

diff --git a/src/stat/fstat.c b/src/stat/fstat.c
index 5f64330..ab4afc0 100644 (file)
--- a/src/stat/fstat.c
+++ b/src/stat/fstat.c
@@ -1,10 +1,24 @@
 #include <sys/stat.h>
+#include <errno.h>
+#include <fcntl.h>
 #include "syscall.h"
 #include "libc.h"
 
-int fstat(int fd, struct stat *buf)
+void __procfdname(char *, unsigned);
+
+int fstat(int fd, struct stat *st)
 {
-       return syscall2(__NR_fstat64, fd, (long)buf);
+       int ret = __syscall(SYS_fstat, fd, st);
+       if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
+               return __syscall_ret(ret);
+
+       char buf[15+3*sizeof(int)];
+       __procfdname(buf, fd);
+#ifdef SYS_stat
+       return syscall(SYS_stat, buf, st);
+#else
+       return syscall(SYS_fstatat, AT_FDCWD, buf, st, 0);
+#endif
 }
 
 LFS64(fstat);