utils.h revision 9ff100ac 
1#ifndef UTILS_H
2#define	UTILS_H 1
3
4  /*\
5   *
6   *                          COPYRIGHT 1990
7   *                    DIGITAL EQUIPMENT CORPORATION
8   *                       MAYNARD, MASSACHUSETTS
9   *                        ALL RIGHTS RESERVED.
10   *
11   * THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE AND
12   * SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION.
13   * DIGITAL MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE
14   * FOR ANY PURPOSE.  IT IS SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED
15   * WARRANTY.
16   *
17   * IF THE SOFTWARE IS MODIFIED IN A MANNER CREATING DERIVATIVE COPYRIGHT
18   * RIGHTS, APPROPRIATE LEGENDS MAY BE PLACED ON THE DERIVATIVE WORK IN
19   * ADDITION TO THAT SET FORTH ABOVE.
20   *
21   * Permission to use, copy, modify, and distribute this software and its
22   * documentation for any purpose and without fee is hereby granted, provided
23   * that the above copyright notice appear in all copies and that both that
24   * copyright notice and this permission notice appear in supporting
25   * documentation, and that the name of Digital Equipment Corporation not be
26   * used in advertising or publicity pertaining to distribution of the
27   * software without specific, written prior permission.
28  \*/
29
30/***====================================================================***/
31
32#ifdef HAVE_CONFIG_H
33#include "config.h"
34#endif
35
36#include 	<stdio.h>
37#include	<X11/Xos.h>
38#include	<X11/Xfuncproto.h>
39#include	<X11/Xfuncs.h>
40#include 	<stdarg.h>
41#include	<stddef.h>
42
43_XFUNCPROTOBEGIN
44
45#ifndef NUL
46#define	NUL	'\0'
47#endif
48
49/***====================================================================***/
50
51#ifndef OPAQUE_DEFINED
52typedef void *Opaque;
53#endif
54#ifndef NullOpaque
55#define	NullOpaque	((Opaque)NULL)
56#endif
57
58#ifndef BOOLEAN_DEFINED
59typedef char Boolean;
60#endif
61
62#ifndef True
63#define	True	((Boolean)1)
64#define	False	((Boolean)0)
65#endif                          /* ndef True */
66#define	booleanText(b)	((b)?"True":"False")
67
68#ifndef COMPARISON_DEFINED
69typedef int Comparison;
70
71#define	Greater		((Comparison)1)
72#define	Equal		((Comparison)0)
73#define	Less		((Comparison)-1)
74#define	CannotCompare	((Comparison)-37)
75#define	comparisonText(c)	((c)?((c)<0?"Less":"Greater"):"Equal")
76#endif
77
78/***====================================================================***/
79
80extern Boolean uSetErrorFile(const char *name);
81
82extern void uInformation(const char *s, ...)_X_ATTRIBUTE_PRINTF(1, 2);
83extern void uAction(const char *s, ...) _X_ATTRIBUTE_PRINTF(1, 2);
84extern void uWarning(const char *s, ...) _X_ATTRIBUTE_PRINTF(1, 2);
85extern void uError(const char *s, ...) _X_ATTRIBUTE_PRINTF(1, 2);
86extern void uInternalError(const char *s, ...) _X_ATTRIBUTE_PRINTF(1, 2);
87
88/***====================================================================***/
89
90#define	NullString	((char *)NULL)
91
92#define	uStringText(s)		((s)==NullString?"<NullString>":(s))
93#define	uStringEqual(s1,s2)	(uStringCompare(s1,s2)==Equal)
94#define	uStringPrefix(p,s)	(strncmp(p,s,strlen(p))==0)
95#define	uStringCompare(s1,s2)	(strcmp(s1,s2))
96#define	uStrCaseEqual(s1,s2)	(uStrCaseCmp(s1,s2)==0)
97#ifdef HAVE_STRCASECMP
98#define	uStrCaseCmp(s1,s2)	(strcasecmp(s1,s2))
99#else
100extern int uStrCaseCmp(const char *s1, const char *s2);
101#endif
102#define	uStringDup(s1)		(strdup(s1))
103
104/***====================================================================***/
105
106_XFUNCPROTOEND
107
108#endif                          /* UTILS_H */
109