diff options
Diffstat (limited to 'lib/at-func.c')
| -rw-r--r-- | lib/at-func.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/lib/at-func.c b/lib/at-func.c index b25bc4d8..03c56788 100644 --- a/lib/at-func.c +++ b/lib/at-func.c @@ -1,5 +1,5 @@ /* Define at-style functions like fstatat, unlinkat, fchownat, etc. - Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. + Copyright (C) 2006, 2009-2013 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 @@ -17,9 +17,17 @@ /* written by Jim Meyering */ #include "dosname.h" /* solely for definition of IS_ABSOLUTE_FILE_NAME */ -#include "openat.h" -#include "openat-priv.h" -#include "save-cwd.h" + +#ifdef GNULIB_SUPPORT_ONLY_AT_FDCWD +# include <errno.h> +# ifndef ENOTSUP +# define ENOTSUP EINVAL +# endif +#else +# include "openat.h" +# include "openat-priv.h" +# include "save-cwd.h" +#endif #ifdef AT_FUNC_USE_F1_COND # define CALL_FUNC(F) \ @@ -61,17 +69,22 @@ FUNC_RESULT AT_FUNC_NAME (int fd, char const *file AT_FUNC_POST_FILE_PARAM_DECLS) { + VALIDATE_FLAG (flag); + + if (fd == AT_FDCWD || IS_ABSOLUTE_FILE_NAME (file)) + return CALL_FUNC (file); + +#ifdef GNULIB_SUPPORT_ONLY_AT_FDCWD + errno = ENOTSUP; + return FUNC_FAIL; +#else + { /* Be careful to choose names unlikely to conflict with AT_FUNC_POST_FILE_PARAM_DECLS. */ struct saved_cwd saved_cwd; int saved_errno; FUNC_RESULT err; - VALIDATE_FLAG (flag); - - if (fd == AT_FDCWD || IS_ABSOLUTE_FILE_NAME (file)) - return CALL_FUNC (file); - { char proc_buf[OPENAT_BUFFER_SIZE]; char *proc_file = openat_proc_name (proc_buf, fd, file); @@ -125,6 +138,8 @@ AT_FUNC_NAME (int fd, char const *file AT_FUNC_POST_FILE_PARAM_DECLS) if (saved_errno) errno = saved_errno; return err; + } +#endif } #undef CALL_FUNC #undef FUNC_RESULT |