1 #include <sys/stat.h>
2 #include <errno.h>
3 #include <fcntl.h>
4 #include "syscall.h"
5
fstat(int fd,struct stat * st)6 int fstat(int fd, struct stat *st)
7 {
8 int ret = __syscall(SYS_fstat, fd, st);
9 if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
10 return __syscall_ret(ret);
11
12 char buf[15+3*sizeof(int)];
13 __procfdname(buf, fd);
14 #ifdef SYS_stat
15 return syscall(SYS_stat, buf, st);
16 #else
17 return syscall(SYS_fstatat, AT_FDCWD, buf, st, 0);
18 #endif
19 }
20
21 weak_alias(fstat, fstat64);
22