diff options
Diffstat (limited to 'support/support_readdir_check.c')
-rw-r--r-- | support/support_readdir_check.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/support/support_readdir_check.c b/support/support_readdir_check.c new file mode 100644 index 0000000000..5687004276 --- /dev/null +++ b/support/support_readdir_check.c @@ -0,0 +1,30 @@ +/* Error-checking helper for xreaddir, xreaddir64. + Copyright (C) 2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <support/xdirent.h> + +#include <support/check.h> + +void * +support_readdir_check (const char *name, void *result, int saved_errno) +{ + if (result == NULL && errno != 0) + FAIL_EXIT1 ("%s: %m", name); + errno = saved_errno; + return result; +} |