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/*******************************************************************************
* *
* motif.c: Determine stability of Motif *
* *
* Copyright (C) 2003 Nathaniel Gray *
* *
* This is free software; you can redistribute it and/or modify it under the *
* terms of the GNU General Public License as published by the Free Software *
* Foundation; either version 2 of the License, or (at your option) any later *
* version. In addition, you may distribute versions of this program linked to *
* Motif or Open Motif. See README for details. *
* *
* This software is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
* for more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* software; if not, write to the Free Software Foundation, Inc., 59 Temple *
* Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* Nirvana Text Editor *
* July 28, 1992 *
* *
* Written by Nathaniel Gray *
* *
* Modifications by: *
* Scott Tringali *
* *
*******************************************************************************/
/*
* About the different #defines that Motif gives us:
* All Motifs #define several values. These are the values in
* Open Motif 2.1.30, for example:
* #define XmVERSION 2
* #define XmREVISION 1
* #define XmUPDATE_LEVEL 30
* #define XmVersion (XmVERSION * 1000 + XmREVISION)
* #define XmVERSION_STRING "@(#)Motif Version 2.1.30"
*
* In addition, LessTif #defines several values as shown here for
* version 0.93.0:
* #define LESSTIF_VERSION 0
* #define LESSTIF_REVISION 93
* #define LesstifVersion (LESSTIF_VERSION * 1000 + LESSTIF_REVISION)
* #define LesstifVERSION_STRING \
* "@(#)GNU/LessTif Version 2.1 Release 0.93.0"
*
* Also, in LessTif the XmVERSION_STRING is identical to the
* LesstifVERSION_STRING. Unfortunately, the only way to find out the
* "update level" of a LessTif release is to parse the LesstifVERSION_STRING.
*/
#include "motif.h"
#include <Xm/Xm.h>
#include <string.h>
#ifdef LESSTIF_VERSION
static enum MotifStability GetLessTifStability(void);
#else
static enum MotifStability GetOpenMotifStability(void);
#endif
/*
* These are versions of LessTif that are known to be stable with NEdit in
* Motif 2.1 mode.
*/
static const char *const knownGoodLesstif[] = {
"0.92.32",
"0.93.0",
"0.93.12",
"0.93.18",
#ifndef __x86_64
"0.93.94", /* 64-bit build .93.94 is broken */
#endif
NULL
};
/*
* These are versions of LessTif that are known NOT to be stable with NEdit in
* Motif 2.1 mode.
*/
const char *const knownBadLessTif[] = {
"0.93.25",
"0.93.29",
"0.93.34"
"0.93.36",
"0.93.39",
"0.93.40",
"0.93.41",
"0.93.44",
#ifdef __x86_64
"0.93.94", /* 64-bit build .93.94 is broken */
#endif
"0.93.95b", /* SF bug 1087192 */
"0.94.4", /* Alt-H, ESC => crash */
"0.95.0", /* same as above */
NULL
};
#ifdef LESSTIF_VERSION
static enum MotifStability GetLessTifStability(void)
{
int i;
const char *rev = NULL;
/* We assume that the lesstif version is the string after the last
space. */
rev = strrchr(LesstifVERSION_STRING, ' ');
if (rev == NULL)
return MotifUnknown;
rev += 1;
/* Check for known good LessTif versions */
for (i = 0; knownGoodLesstif[i]; i++)
if (!strcmp(rev, knownGoodLesstif[i]))
return MotifKnownGood;
/* Check for known bad LessTif versions */
for (i = 0; knownBadLessTif[i]; i++)
if (!strcmp(rev, knownBadLessTif[i]))
return MotifKnownBad;
return MotifUnknown;
}
#else
/* The stability depends on the patch level, so fold it into the
usual XmVersion for easy comparison. */
static const int XmFullVersion = (XmVersion * 100 + XmUPDATE_LEVEL);
static enum MotifStability GetOpenMotifStability(void)
{
enum MotifStability result = MotifUnknown;
const Boolean really222 =
(strcmp("@(#)Motif Version 2.2.2", XmVERSION_STRING) == 0);
if (XmFullVersion <= 200200) /* 1.0 - 2.1 are fine */
{
result = MotifKnownGood;
}
else if ((XmFullVersion < 200202) || really222) /* 2.2.0 - 2.2.2 are bad */
{
result = MotifKnownBad;
}
else if (XmFullVersion >= 200203 && XmFullVersion <= 200304) /* 2.2.3 - 2.3 is good */
{
result = MotifKnownGood;
}
else /* Anything else unknown */
{
result = MotifUnknown;
}
return result;
}
#endif
enum MotifStability GetMotifStability(void)
{
#ifdef LESSTIF_VERSION
return GetLessTifStability();
#else
return GetOpenMotifStability();
#endif
}
const char *GetMotifStableVersions(void)
{
int i;
static char msg[sizeof knownGoodLesstif * 80];
for (i = 0; knownGoodLesstif[i] != NULL; i++)
{
strcat(msg, knownGoodLesstif[i]);
strcat(msg, "\n");
}
strcat(msg, "OpenMotif 2.1.30\n");
strcat(msg, "OpenMotif 2.2.3\n");
strcat(msg, "OpenMotif 2.3\n");
strcat(msg, "OpenMotif 2.3.4\n");
return msg;
}
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