import winsup-2000-02-17 snapshot

1 files changed, 258 insertions, 0 deletions

diff --git a/winsup/mingw/include/io.h b/winsup/mingw/include/io.h
new file mode 100644
index 000000000..e30f8687e
--- /dev/null
+++ b/winsup/mingw/include/io.h
@@ -0,0 +1,258 @@
+/* 
+ * io.h
+ *
+ * System level I/O functions and types.
+ *
+ * This file is part of the Mingw32 package.
+ *
+ * Contributors:
+ *  Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
+ *
+ *  THIS SOFTWARE IS NOT COPYRIGHTED
+ *
+ *  This source code is offered for use in the public domain. You may
+ *  use, modify or distribute it freely.
+ *
+ *  This code is distributed in the hope that it will be useful but
+ *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
+ *  DISCLAMED. This includes but is not limited to warranties of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Revision$
+ * $Author$
+ * $Date$
+ *
+ */
+
+#ifndef	__STRICT_ANSI__
+
+#ifndef	_IO_H_
+#define	_IO_H_
+
+/* All the headers include this file. */
+#include <_mingw.h>
+
+/* We need the definition of FILE anyway... */
+#include <stdio.h>
+
+/* MSVC's io.h contains the stuff from dir.h, so I will too.
+ * NOTE: This also defines off_t, the file offset type, through
+ *       an inclusion of sys/types.h */
+#ifndef __STRICT_ANSI__
+
+#include <sys/types.h>	/* To get time_t. */
+
+/*
+ * Attributes of files as returned by _findfirst et al.
+ */
+#define	_A_NORMAL	0x00000000
+#define	_A_RDONLY	0x00000001
+#define	_A_HIDDEN	0x00000002
+#define	_A_SYSTEM	0x00000004
+#define	_A_VOLID	0x00000008
+#define	_A_SUBDIR	0x00000010
+#define	_A_ARCH		0x00000020
+
+
+#ifndef RC_INVOKED
+
+#ifndef	_FSIZE_T_DEFINED
+typedef	unsigned long	_fsize_t;
+#define _FSIZE_T_DEFINED
+#endif
+
+/*
+ * The following structure is filled in by _findfirst or _findnext when
+ * they succeed in finding a match.
+ */
+struct _finddata_t
+{
+	unsigned	attrib;		/* Attributes, see constants above. */
+	time_t		time_create;
+	time_t		time_access;	/* always midnight local time */
+	time_t		time_write;
+	_fsize_t	size;
+	char		name[FILENAME_MAX];	/* may include spaces. */
+};
+
+#ifndef _WFINDDATA_T_DEFINED
+struct _wfinddata_t {
+    	unsigned	attrib;
+    	time_t		time_create;	/* -1 for FAT file systems */
+    	time_t		time_access;	/* -1 for FAT file systems */
+    	time_t		time_write;
+    	_fsize_t	size;
+    	wchar_t		name[FILENAME_MAX];	/* may include spaces. */
+};
+#define _WFINDDATA_T_DEFINED
+#endif
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Functions for searching for files. _findfirst returns -1 if no match
+ * is found. Otherwise it returns a handle to be used in _findnext and
+ * _findclose calls. _findnext also returns -1 if no match could be found,
+ * and 0 if a match was found. Call _findclose when you are finished.
+ */
+int	_findfirst (const char*, struct _finddata_t*);
+int	_findnext (int, struct _finddata_t*);
+int	_findclose (int);
+
+int	_chdir (const char*);
+char*	_getcwd (char*, int);
+int	_mkdir (const char*);
+char*	_mktemp (char*);
+int	_rmdir (const char*);
+
+
+#ifndef _NO_OLDNAMES
+
+#ifndef _UWIN
+int	chdir (const char*);
+char*	getcwd (char*, int);
+int	mkdir (const char*);
+char*	mktemp (char*);
+int	rmdir (const char*);
+#endif /* _UWIN */
+
+#endif /* Not _NO_OLDNAMES */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* Not RC_INVOKED */
+
+#endif	/* Not __STRICT_ANSI__ */
+
+/* TODO: Maximum number of open handles has not been tested, I just set
+ * it the same as FOPEN_MAX. */
+#define	HANDLE_MAX	FOPEN_MAX
+
+
+/* Some defines for _access nAccessMode (MS doesn't define them, but
+ * it doesn't seem to hurt to add them). */
+#define	F_OK	0	/* Check for file existence */
+#define	X_OK	1	/* Check for execute permission. */
+#define	W_OK	2	/* Check for write permission */
+#define	R_OK	4	/* Check for read permission */
+
+#ifndef RC_INVOKED
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+int		_access (const char*, int);
+int		_chsize (int, long);
+int		_close (int);
+
+/* NOTE: The only significant bit in unPermissions appears to be bit 7 (0x80),
+ *       the "owner write permission" bit (on FAT). */
+int		_creat (const char*, unsigned);
+
+int		_dup (int);
+int		_dup2 (int, int);
+long		_filelength (int);
+int		_fileno (FILE*);
+long		_get_osfhandle (int);
+int		_isatty (int);
+
+/* In a very odd turn of events this function is excluded from those
+ * files which define _STREAM_COMPAT. This is required in order to
+ * build GNU libio because of a conflict with _eof in streambuf.h
+ * line 107. Actually I might just be able to change the name of
+ * the enum member in streambuf.h... we'll see. TODO */
+#ifndef	_STREAM_COMPAT
+int		_eof (int);
+#endif
+
+/* LK_... locking commands defined in sys/locking.h. */
+int		_locking (int, int, long);
+
+long		_lseek (int, long, int);
+
+/* Optional third argument is unsigned unPermissions. */
+int		_open (const char*, int, ...);
+
+int		_open_osfhandle (long, int);
+int		_pipe (int *, unsigned int, int);
+int		_read (int, void*, unsigned int);
+
+/* SH_... flags for nShFlags defined in share.h
+ * Optional fourth argument is unsigned unPermissions */
+int		_sopen (const char*, int, int, ...);
+
+long		_tell (int);
+/* Should umask be in sys/stat.h and/or sys/types.h instead? */
+int		_umask (int);
+int		_unlink (const char*);
+int		_write (int, const void*, unsigned int);
+
+/* Wide character versions. Also declared in wchar.h. */
+int 		_waccess(const wchar_t *, int);
+int 		_wchmod(const wchar_t *, int);
+int 		_wcreat(const wchar_t *, int);
+long 		_wfindfirst(wchar_t *, struct _wfinddata_t *);
+int 		_wfindnext(long, struct _wfinddata_t *);
+int 		_wunlink(const wchar_t *);
+int 		_wrename(const wchar_t *, const wchar_t *);
+int 		_wopen(const wchar_t *, int, ...);
+int 		_wsopen(const wchar_t *, int, int, ...);
+wchar_t * 	_wmktemp(wchar_t *);
+
+
+#ifndef	_NO_OLDNAMES
+/*
+ * Non-underscored versions of non-ANSI functions to improve portability.
+ * These functions live in libmoldname.a.
+ */
+
+#ifndef _UWIN
+int		access (const char*, int);
+int		chsize (int, long );
+int		close (int);
+int		creat (const char*, int);
+int		dup (int);
+int		dup2 (int, int);
+int		eof (int);
+long		filelength (int);
+int		fileno (FILE*);
+int		isatty (int);
+long		lseek (int, long, int);
+int		open (const char*, int, ...);
+int		read (int, void*, unsigned int);
+int		sopen (const char*, int, int, ...);
+long		tell (int);
+int		umask (int);
+int		unlink (const char*);
+int		write (int, const void*, unsigned int);
+#endif /* _UWIN */
+
+/* Wide character versions. Also declared in wchar.h. */
+int 		waccess(const wchar_t *, int);
+int 		wchmod(const wchar_t *, int);
+int 		wcreat(const wchar_t *, int);
+long 		wfindfirst(wchar_t *, struct _wfinddata_t *);
+int 		wfindnext(long, struct _wfinddata_t *);
+int 		wunlink(const wchar_t *);
+int 		wrename(const wchar_t *, const wchar_t *);
+int 		wopen(const wchar_t *, int, ...);
+int 		wsopen(const wchar_t *, int, int, ...);
+wchar_t * 	wmktemp(wchar_t *);
+
+#endif	/* Not _NO_OLDNAMES */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* Not RC_INVOKED */
+
+#endif	/* _IO_H_ not defined */
+
+#endif	/* Not strict ANSI */
+