fix multiple stdio functions' behavior on zero-length operations

[musl] / src / stat / fstat.c

diff --git a/src/stat/fstat.c b/src/stat/fstat.c
index b561176..ab4afc0 100644 (file)
--- a/src/stat/fstat.c
+++ b/src/stat/fstat.c
@@ -14,7 +14,11 @@ int fstat(int fd, struct stat *st)
 
        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);