/* Like <fcntl.h>, but with non-working flags defined to 0.
- Copyright (C) 2006-2008 Free Software Foundation, Inc.
+ Copyright (C) 2006-2010 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
/* Special invocation convention. */
#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
+#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */
+# include <sys/stat.h>
+#endif
#@INCLUDE_NEXT@ @NEXT_FCNTL_H@
#else
#ifndef _GL_FCNTL_H
#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
+#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */
+# include <sys/stat.h>
+#endif
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_FCNTL_H@
#ifndef _GL_FCNTL_H
#define _GL_FCNTL_H
+#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */
+# include <unistd.h>
+#endif
+
+
+/* The definition of _GL_ARG_NONNULL is copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
/* Declare overridden functions. */
extern "C" {
#endif
+#if @GNULIB_FCNTL@
+# if @REPLACE_FCNTL@
+# undef fcntl
+# define fcntl rpl_fcntl
+# endif
+# if !@HAVE_FCNTL@ || @REPLACE_FCNTL@
+extern int fcntl (int fd, int action, ...);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fcntl
+# if HAVE_RAW_DECL_FCNTL
+_GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - "
+ "use gnulib module fcntl for portability");
+# endif
+#endif
+
#if @GNULIB_OPEN@
# if @REPLACE_OPEN@
# undef open
# define open rpl_open
-extern int open (const char *filename, int flags, ...);
+extern int open (const char *filename, int flags, ...) _GL_ARG_NONNULL ((1));
# endif
+#elif defined GNULIB_POSIXCHECK
+# undef open
+/* Assume open is always declared. */
+_GL_WARN_ON_USE (open, "open is not always POSIX compliant - "
+ "use gnulib module open for portability");
#endif
-#ifdef FCHDIR_REPLACEMENT
-/* gnulib internal function. */
-extern void _gl_register_fd (int fd, const char *filename);
+#if @GNULIB_OPENAT@
+# if @REPLACE_OPENAT@
+# undef openat
+# define openat rpl_openat
+# endif
+# if !@HAVE_OPENAT@ || @REPLACE_OPENAT@
+extern int openat (int fd, char const *file, int flags, /* mode_t mode */ ...)
+ _GL_ARG_NONNULL ((2));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef openat
+# if HAVE_RAW_DECL_OPENAT
+_GL_WARN_ON_USE (openat, "openat is not portable - "
+ "use gnulib module openat for portability");
+# endif
#endif
#ifdef __cplusplus
}
#endif
-/* Fix up the FD_* macros. */
+/* Fix up the FD_* macros, only known to be missing on mingw. */
#ifndef FD_CLOEXEC
# define FD_CLOEXEC 1
#endif
+/* Fix up the supported F_* macros. Intentionally leave other F_*
+ macros undefined. Only known to be missing on mingw. */
+
+#ifndef F_DUPFD_CLOEXEC
+# define F_DUPFD_CLOEXEC 0x40000000
+/* Witness variable: 1 if gnulib defined F_DUPFD_CLOEXEC, 0 otherwise. */
+# define GNULIB_defined_F_DUPFD_CLOEXEC 1
+#else
+# define GNULIB_defined_F_DUPFD_CLOEXEC 0
+#endif
+
+#ifndef F_DUPFD
+# define F_DUPFD 1
+#endif
+
+#ifndef F_GETFD
+# define F_GETFD 2
+#endif
+
/* Fix up the O_* macros. */
#if !defined O_DIRECT && defined O_DIRECTIO
# define O_SYNC 0
#endif
+#ifndef O_TTY_INIT
+# define O_TTY_INIT 0
+#endif
+
/* For systems that distinguish between text and binary I/O.
O_BINARY is usually declared in fcntl.h */
#if !defined O_BINARY && defined _O_BINARY
# define O_TEXT 0
#endif
+/* Fix up the AT_* macros. */
+
+/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its
+ value exceeds INT_MAX, so its use as an int doesn't conform to the
+ C standard, and GCC and Sun C complain in some cases. If the bug
+ is present, undef AT_FDCWD here, so it can be redefined below. */
+#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553
+# undef AT_FDCWD
+#endif
+
+/* Use the same bit pattern as Solaris 9, but with the proper
+ signedness. The bit pattern is important, in case this actually is
+ Solaris with the above workaround. */
+#ifndef AT_FDCWD
+# define AT_FDCWD (-3041965)
+#endif
+
+/* Use the same values as Solaris 9. This shouldn't matter, but
+ there's no real reason to differ. */
+#ifndef AT_SYMLINK_NOFOLLOW
+# define AT_SYMLINK_NOFOLLOW 4096
+#endif
+
+#ifndef AT_REMOVEDIR
+# define AT_REMOVEDIR 1
+#endif
+
+/* Solaris 9 lacks these two, so just pick unique values. */
+#ifndef AT_SYMLINK_FOLLOW
+# define AT_SYMLINK_FOLLOW 2
+#endif
+
+#ifndef AT_EACCESS
+# define AT_EACCESS 4
+#endif
+
#endif /* _GL_FCNTL_H */
#endif /* _GL_FCNTL_H */