diff options
Diffstat (limited to 'gnulib/lib/unistd.in.h')
| -rw-r--r-- | gnulib/lib/unistd.in.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/gnulib/lib/unistd.in.h b/gnulib/lib/unistd.in.h index 4b6c4b901..c1a2d2ba9 100644 --- a/gnulib/lib/unistd.in.h +++ b/gnulib/lib/unistd.in.h @@ -1,5 +1,5 @@ /* Substitute for and wrapper around <unistd.h>. - Copyright (C) 2003-2008 Free Software Foundation, Inc. + Copyright (C) 2003-2009 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by @@ -29,7 +29,7 @@ #ifndef _GL_UNISTD_H #define _GL_UNISTD_H -/* mingw doesn't define the SEEK_* macros in <unistd.h>. */ +/* mingw doesn't define the SEEK_* or *_FILENO macros in <unistd.h>. */ #if !(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) # include <stdio.h> #endif @@ -87,6 +87,17 @@ /* The definition of GL_LINK_WARNING is copied here. */ +/* OS/2 EMX lacks these macros. */ +#ifndef STDIN_FILENO +# define STDIN_FILENO 0 +#endif +#ifndef STDOUT_FILENO +# define STDOUT_FILENO 1 +#endif +#ifndef STDERR_FILENO +# define STDERR_FILENO 2 +#endif + /* Declare overridden functions. */ #ifdef __cplusplus @@ -475,6 +486,23 @@ extern int lchown (char const *file, uid_t owner, gid_t group); #endif +#if @GNULIB_LINK@ +/* Create a new hard link for an existing file. + Return 0 if successful, otherwise -1 and errno set. + See POSIX:2001 specification + <http://www.opengroup.org/susv3xsh/link.html>. */ +# if !@HAVE_LINK@ +extern int link (const char *path1, const char *path2); +# endif +#elif defined GNULIB_POSIXCHECK +# undef link +# define link(path1,path2) \ + (GL_LINK_WARNING ("link is unportable - " \ + "use gnulib module link for portability"), \ + link (path1, path2)) +#endif + + #if @GNULIB_LSEEK@ # if @REPLACE_LSEEK@ /* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END. |