libc-bottom-half/cloudlibc/src/libc/sys/stat/fstat.c

   1 // Copyright (c) 2015-2016 Nuxi, https://nuxi.nl/
   2 //
   3 // SPDX-License-Identifier: BSD-2-Clause
   4
   5 #include <sys/stat.h>
   6
   7 #include <wasi/core.h>
   8 #include <errno.h>
   9
  10 #include "stat_impl.h"
  11
  12 int fstat(int fildes, struct stat *buf) {
  13   __wasi_filestat_t internal_stat;
  14 #ifdef __wasilibc_unmodified_upstream // fstat
  15   __wasi_errno_t error = __wasi_file_stat_fget(fildes, &internal_stat);
  16 #else
  17   __wasi_errno_t error = __wasi_fd_filestat_get(fildes, &internal_stat);
  18 #endif
  19   if (error != 0) {
  20     errno = error;
  21     return -1;
  22   }
  23   to_public_stat(&internal_stat, buf);
  24   return 0;
  25 }