Quelle utils.h Sprache: C

/****************************************************************************
**
*W utils.h XGAP Source Frank Celler
**
**
*Y Copyright 1995-1997, Lehrstuhl D fuer Mathematik, RWTH Aachen, Germany
*Y Copyright 1997, Frank Celler, Huerth, Germany
**
** This file contains the utility functions and macros used in XGAP,
** basically the list functions ('ELM', 'LEN', 'AddList', and 'List') and
** the debug macro ('DEBUG'). This file also includes all the necessary
** system and X11 include files and defines the following data types:
**
** Boolean "True" or "False" (defined by X11)
** Char a "Char" will be able to hold one character
** Int a 32-bit signed integer
** Long an integer able to hold a pointer
** Pointer a generic pointer
** Short a 16-bit signed integer
** String an array of chars
** UChar unsigned version of "Char"
** UInt a 32-bit unsigned integer
** ULong unsigned version of "Long"
** UShort a 16-bit unsigned integer
**
** List( <len> )
** -------------
** 'List' creates a new list able to hold <len> pointers of type 'Pointer'.
**
** AddList( <lst>, <elm> )
** -----------------------
** 'AddList' appends the new element <elm> of type 'Pointer' to <lst>,
** enlarging the list if necessary.
**
** ELM( <lst>, )
** -----------------
** 'ELM' returns the .th element of <lst>.
**
** LEN( <lst> )
** ------------
** 'LEN' returns the length of <lst>.
**
** DEBUG( <type>, ( <debug-text>, ... ) )
** --------------------------------------
** 'DEBUG' uses 'printf' to print the <debug-text> in case that 'Debug' &&
** <type> is true. The text is preceded by the line number and the source
** file name. The following types are available: D_LIST, D_XCMD, D_COMM.
*/
#ifndef _utils_h
#define _utils_h

/****************************************************************************
**
*F Include . . . . . . . . . . . . . . . . . . . . . . system include files
*/
#include "config.h"

#if HAVE_TERMIO_H
#undef HAVE_SGTTY_H
#define HAVE_SGTTY_H 0
#endif

#include <stdio.h>

#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>

#include <pwd.h>

#include <signal.h>
#include <time.h>

#include <sys/errno.h>
#include <sys/param.h>
#include <sys/resource.h>
#include <sys/select.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>

#if HAVE_TERMIOS_H
# include <termios.h>
#else
#if HAVE_TERMIO_H
# include <termio.h>
#else
# include <sgtty.h>
#endif
#endif

/****************************************************************************
**
*F Include . . . . . . . . . . . . . . . . . . . . . . . . X11 include files
*/
#include <X11/X.h> /* X11 basic definition */
#include <X11/Xos.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/StringDefs.h>
#include <X11/keysym.h>

#include <X11/Intrinsic.h> /* X Intrinsic */
#include <X11/IntrinsicP.h>
#include <X11/CoreP.h>
#include <X11/Composite.h>
#include <X11/Shell.h>

#include <X11/cursorfont.h> /* cursor font */

#include <X11/Xaw/AsciiText.h> /* Athena widgets */
#include <X11/Xaw/Box.h>
#include <X11/Xaw/Cardinals.h>
#include <X11/Xaw/Command.h>
#include <X11/Xaw/Dialog.h>
#include <X11/Xaw/Form.h>
#include <X11/Xaw/Label.h>
#include <X11/Xaw/List.h>
#include <X11/Xaw/MenuButton.h>
#include <X11/Xaw/Paned.h>
#include <X11/Xaw/Scrollbar.h>
#include <X11/Xaw/SimpleMenu.h>
#include <X11/Xaw/SmeBSB.h>
#include <X11/Xaw/SmeLine.h>
#include <X11/Xaw/Text.h>
#include <X11/Xaw/TextP.h>
#include <X11/Xaw/TextSink.h>
#include <X11/Xaw/TextSrc.h>
#include <X11/Xaw/TextSrcP.h>
#include <X11/Xaw/Viewport.h>
#include <X11/Xaw/ViewportP.h>
#include <X11/Xaw/XawInit.h>

/****************************************************************************
**

*T Char . . . . . . . . . . . . . . . . . . . . . . . . . . . . a character
*/
typedef char Char;

/****************************************************************************
**
*T Int . . . . . . . . . . . . . . . . . . . . . . . . . . . a signed 32-bit
*/
typedef int Int;

/****************************************************************************
**
*T Long . . . . . . . . . . . . . . a signed integer able to hold a pointer
*/
typedef long Long;

/****************************************************************************
**
*T Pointer . . . . . . . . . . . . . . . . . . . . . . . . a generic pointer
*/
typedef void * Pointer;

/****************************************************************************
**
*T Short . . . . . . . . . . . . . . . . . . . . . . . . . . a signed 16-bit
*/
typedef short Short;

/****************************************************************************
**
*T UChar . . . . . . . . . . . . . . . . . . . . . . . an unsigned character
*/
typedef unsigned char UChar;

/****************************************************************************
**
*T UInt . . . . . . . . . . . . . . . . . . . . . . . . an unsigned 32-bit
*/
typedef unsigned int UInt;

/****************************************************************************
**
*T ULong . . . . . . . . . . . . an unsigned integer able to hold a pointer
*/
typedef unsigned long ULong;

/****************************************************************************
**
*T UShort . . . . . . . . . . . . . . . . . . . . . . . an unsigned 16-bit
*/
typedef unsigned short UShort;

/****************************************************************************
**

*F DEBUG(( <str> )) . . . . . . . . . . . . . . . print <str> as debug info
*/
extern Int Debug;

#define D_LIST 1
#define D_XCMD 2
#define D_COMM 4

#define DEBUG(a,b) { \
 if ( Debug & a ) { \
 printf( "%04d:%s: ", __LINE__, __FILE__ ); \
 printf b; \
 } \
 } while(0)

/****************************************************************************
**
*F MAX( <a>, ) . . . . . . . . . . . . . . . . . maximum of <a> and 
*/
#undef MAX
#define MAX(a,b) (((a) < (b)) ? (b) : (a))

/****************************************************************************
**
*F MIN( <a>, ) . . . . . . . . . . . . . . . . . minimum of <a> and 
*/
#undef MIN
#define MIN(a,b) (((a) < (b)) ? (a) : (b))

/****************************************************************************
**

*T TypeList . . . . . . . . . . . . . . . . . . . . . . . . list structure
*/
typedef struct _list
{
 UInt size;
 UInt len;
 Pointer * ptr;
}
* TypeList;

/****************************************************************************
**
*F ELM( <lst>, ) . . . . . . . . . . . . . . . . th element of a list
*/
#define ELM(lst,i) (lst->ptr[i])

/****************************************************************************
**
*F LEN( <lst> ) . . . . . . . . . . . . . . . . . . . . . length of a list
*/
#define LEN(lst) (lst->len)

/****************************************************************************
**
*F AddList( <lst>, <elm> ) . . . . . . . . add list element <elm> to <list>
*/
#ifdef DEBUG_ON
 extern void ADD_LIST( String, Int, TypeList, Pointer );
# define AddList(a,b) ADD_LIST( __FILE__, __LINE__, a, b )
#else
 extern void AddList( TypeList, Pointer );
#endif

/****************************************************************************
**
*F List( <len> ) . . . . . . . . . . . . . . . . . . . create a new list
*/
#ifdef DEBUG_ON
 extern TypeList LIST( String, Int, UInt );
# define List(a) LIST( __FILE__, __LINE__, a )
#else
 extern TypeList List( UInt );
#endif

#endif

/****************************************************************************
**

*E utils.h . . . . . . . . . . . . . . . . . . . . . . . . . . . . ends here
*/

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