diff options
Diffstat (limited to 'tests/openat-priv.h')
-rw-r--r-- | tests/openat-priv.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/tests/openat-priv.h b/tests/openat-priv.h deleted file mode 100644 index 63093f45..00000000 --- a/tests/openat-priv.h +++ /dev/null @@ -1,74 +0,0 @@ -/* Internals for openat-like functions. - - Copyright (C) 2005-2006, 2009-2024 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <https://www.gnu.org/licenses/>. */ - -/* written by Jim Meyering */ - -#ifndef _GL_HEADER_OPENAT_PRIV -#define _GL_HEADER_OPENAT_PRIV - -#include <errno.h> -#include <limits.h> -#include <stdlib.h> - -#ifdef __cplusplus -extern "C" { -#endif - - -/* Maximum number of bytes that it is safe to allocate as a single - array on the stack, and that is known as a compile-time constant. - The assumption is that we'll touch the array very quickly, or a - temporary very near the array, provoking an out-of-memory trap. On - some operating systems, there is only one guard page for the stack, - and a page size can be as small as 4096 bytes. Subtract 64 in the - hope that this will let the compiler touch a nearby temporary and - provoke a trap. */ -#define SAFER_ALLOCA_MAX (4096 - 64) - -#define SAFER_ALLOCA(m) ((m) < SAFER_ALLOCA_MAX ? (m) : SAFER_ALLOCA_MAX) - -#if defined PATH_MAX -# define OPENAT_BUFFER_SIZE SAFER_ALLOCA (PATH_MAX) -#elif defined _XOPEN_PATH_MAX -# define OPENAT_BUFFER_SIZE SAFER_ALLOCA (_XOPEN_PATH_MAX) -#else -# define OPENAT_BUFFER_SIZE SAFER_ALLOCA (1024) -#endif - -char *openat_proc_name (char buf[OPENAT_BUFFER_SIZE], int fd, char const *file); - -/* Trying to access a BUILD_PROC_NAME file will fail on systems without - /proc support, and even on systems *with* ProcFS support. Return - nonzero if the failure may be legitimate, e.g., because /proc is not - readable, or the particular .../fd/N directory is not present. */ -#define EXPECTED_ERRNO(Errno) \ - ((Errno) == ENOTDIR || (Errno) == ENOENT \ - || (Errno) == EPERM || (Errno) == EACCES \ - || (Errno) == ENOSYS /* Solaris 8 */ \ - || (Errno) == EOPNOTSUPP /* FreeBSD */) - -/* Wrapper function shared among linkat and renameat. */ -int at_func2 (int fd1, char const *file1, - int fd2, char const *file2, - int (*func) (char const *file1, char const *file2)); - - -#ifdef __cplusplus -} -#endif - -#endif /* _GL_HEADER_OPENAT_PRIV */ |