BasiliskII/src/prefs.cpp

/*
 *  prefs.cpp - Preferences handling
 *
 *  Basilisk II (C) 1997-1999 Christian Bauer
 *
 *  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
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>

#include "sysdeps.h"
#include "sys.h"
#include "prefs.h"


// Common preferences items (those which exist on all platforms)
// Except for "disk", "floppy", "cdrom", "scsiX", "screen", "rom" and "ether",
// these are guaranteed to be in the prefs; "disk", "floppy" and "cdrom" can
// occur multiple times
prefs_desc common_prefs_items[] = {
        {"disk", TYPE_STRING, true},            // Device/file names of Mac volumes (disk.cpp)
        {"floppy", TYPE_STRING, true},          // Device/file names of Mac floppy drives (sony.cpp)
        {"cdrom", TYPE_STRING, true},           // Device/file names of Mac CD-ROM drives (cdrom.cpp)
        {"extfs", TYPE_STRING, false},          // Root path of ExtFS (extfs.cpp)
        {"scsi0", TYPE_STRING, false},          // SCSI targets for Mac SCSI ID 0..6 (scsi_*.cpp)
        {"scsi1", TYPE_STRING, false},
        {"scsi2", TYPE_STRING, false},
        {"scsi3", TYPE_STRING, false},
        {"scsi4", TYPE_STRING, false},
        {"scsi5", TYPE_STRING, false},
        {"scsi6", TYPE_STRING, false},
        {"screen", TYPE_STRING, false},         // Video mode (video.cpp)
        {"seriala", TYPE_STRING, false},        // Device name of Mac serial port A (serial_*.cpp)
        {"serialb", TYPE_STRING, false},        // Device name of Mac serial port B (serial_*.cpp)
        {"ether", TYPE_STRING, false},          // Device name of Mac ethernet adapter (ether_*.cpp)
        {"rom", TYPE_STRING, false},            // Path of ROM file (main_*.cpp)
        {"bootdrive", TYPE_INT16, false},       // Boot drive number (main_*.cpp)
        {"bootdriver", TYPE_INT16, false},      // Boot driver number (main_*.cpp)
        {"ramsize", TYPE_INT32, false},         // Size of Mac RAM in bytes (main_*.cpp)
        {"frameskip", TYPE_INT32, false},       // Number of frames to skip in refreshed video modes (video_*.cpp)
        {"modelid", TYPE_INT32, false},         // Mac Model ID (Gestalt Model ID minus 6) (rom_patches.cpp)
        {"fpu", TYPE_BOOLEAN, false},           // Enable FPU emulation (main_*.cpp)
        {"nocdrom", TYPE_BOOLEAN, false},       // Don't install CD-ROM driver (cdrom.cpp/rom_patches.cpp)
        {"nosound", TYPE_BOOLEAN, false},       // Don't enable sound output (audio_*.cpp)
        {"nogui", TYPE_BOOLEAN, false},         // Disable GUI (main_*.cpp)
        {NULL, TYPE_END, false} // End of list
};


// Prefs item are stored in a linked list of these nodes
struct prefs_node {
        prefs_node *next;
        const char *name;
        prefs_type type;
        void *data;
};

// List of prefs nodes
static prefs_node *the_prefs;


/*
 *  Initialize preferences
 */

void PrefsInit(void)
{
        // Start with empty list
        the_prefs = NULL;

        // Set defaults
        SysAddSerialPrefs();
        PrefsAddInt16("bootdriver", 0);
        PrefsAddInt16("bootdrive", 0);
        PrefsAddInt32("ramsize", 8 * 1024 * 1024);
        PrefsAddInt32("frameskip", 6);
        PrefsAddInt32("modelid", 5);    // Mac IIci
        PrefsAddBool("fpu", false);
        PrefsAddBool("nocdrom", false);
        PrefsAddBool("nosound", false);
        PrefsAddBool("nogui", false);
        AddPlatformPrefsDefaults();

        // Load preferences from settings file
        LoadPrefs();
}


/*
 *  Deinitialize preferences
 */

void PrefsExit(void)
{
        // Free prefs list
        prefs_node *p = the_prefs, *next;
        while (p) {
                next = p->next;
                free((void *)p->name);
                free(p->data);
                delete p;
                p = next;
        }
}


/*
 *  Find preferences descriptor by keyword
 */

static const prefs_desc *find_prefs_desc(const char *name, const prefs_desc *list)
{
        while (list->type != TYPE_ANY) {
                if (strcmp(list->name, name) == 0)
                        return list;
                list++;
        }
        return NULL;
}


/*
 *  Set prefs items
 */

static void add_data(const char *name, prefs_type type, void *data, int size)
{
        void *d = malloc(size);
        if (d == NULL)
                return;
        memcpy(d, data, size);
        prefs_node *p = new prefs_node;
        p->next = 0;
        p->name = strdup(name);
        p->type = type;
        p->data = d;
        if (the_prefs) {
                prefs_node *prev = the_prefs;
                while (prev->next)
                        prev = prev->next;
                prev->next = p;
        } else
                the_prefs = p;
}

void PrefsAddString(const char *name, const char *s)
{
        add_data(name, TYPE_STRING, (void *)s, strlen(s) + 1);
}

void PrefsAddBool(const char *name, bool b)
{
        add_data(name, TYPE_BOOLEAN, &b, sizeof(bool));
}

void PrefsAddInt16(const char *name, int16 val)
{
        add_data(name, TYPE_INT16, &val, sizeof(int16));
}

void PrefsAddInt32(const char *name, int32 val)
{
        add_data(name, TYPE_INT32, &val, sizeof(int32));
}


/*
 *  Replace prefs items
 */

static prefs_node *find_node(const char *name, prefs_type type, int index = 0)
{
        prefs_node *p = the_prefs;
        int i = 0;
        while (p) {
                if ((type == TYPE_ANY || p->type == type) && !strcmp(p->name, name)) {
                        if (i == index)
                                return p;
                        else
                                i++;
                }
                p = p->next;
        }
        return NULL;
}

void PrefsReplaceString(const char *name, const char *s, int index)
{
        prefs_node *p = find_node(name, TYPE_STRING, index);
        if (p) {
                free(p->data);
                p->data = strdup(s);
        } else
                add_data(name, TYPE_STRING, (void *)s, strlen(s) + 1);
}

void PrefsReplaceBool(const char *name, bool b)
{
        prefs_node *p = find_node(name, TYPE_BOOLEAN);
        if (p)
                *(bool *)(p->data) = b;
        else
                add_data(name, TYPE_BOOLEAN, &b, sizeof(bool));
}

void PrefsReplaceInt16(const char *name, int16 val)
{
        prefs_node *p = find_node(name, TYPE_INT16);
        if (p)
                *(int16 *)(p->data) = val;
        else
                add_data(name, TYPE_INT16, &val, sizeof(int16));
}

void PrefsReplaceInt32(const char *name, int32 val)
{
        prefs_node *p = find_node(name, TYPE_INT32);
        if (p)
                *(int32 *)(p->data) = val;
        else
                add_data(name, TYPE_INT32, &val, sizeof(int32));
}


/*
 *  Get prefs items
 */

const char *PrefsFindString(const char *name, int index)
{
        prefs_node *p = find_node(name, TYPE_STRING, index);
        if (p)
                return (char *)(p->data);
        else
                return NULL;
}

bool PrefsFindBool(const char *name)
{
        prefs_node *p = find_node(name, TYPE_BOOLEAN, 0);
        if (p)
                return *(bool *)(p->data);
        else
                return false;
}

int16 PrefsFindInt16(const char *name)
{
        prefs_node *p = find_node(name, TYPE_INT16, 0);
        if (p)
                return *(int16 *)(p->data);
        else
                return 0;
}

int32 PrefsFindInt32(const char *name)
{
        prefs_node *p = find_node(name, TYPE_INT32, 0);
        if (p)
                return *(int32 *)(p->data);
        else
                return 0;
}


/*
 *  Remove prefs items
 */

void PrefsRemoveItem(const char *name, int index)
{
        prefs_node *p = find_node(name, TYPE_ANY, index);
        if (p) {
                free((void *)p->name);
                free(p->data);
                prefs_node *q = the_prefs;
                if (q == p) {
                        the_prefs = NULL;
                        delete p;
                        return;
                }
                while (q) {
                        if (q->next == p) {
                                q->next = p->next;
                                delete p;
                                return;
                        }
                        q = q->next;
                }
        }
}


/*
 *  Load prefs from stream (utility function for LoadPrefs() implementation)
 */

void LoadPrefsFromStream(FILE *f)
{
        char line[256];
        while(fgets(line, 255, f)) {
                // Read line
                int len = strlen(line);
                if (len == 0)
                        continue;
                line[len-1] = 0;

                // Comments begin with "#" or ";"
                if (line[0] == '#' || line[0] == ';')
                        continue;

                // Terminate string after keyword
                char *p = line;
                while (!isspace(*p)) p++;
                *p++ = 0;

                // Skip whitespace until value
                while (isspace(*p)) p++;
                if (*p == 0)
                        continue;
                char *keyword = line;
                char *value = p;
                int32 i = atol(value);

                // Look for keyword first in common item list, then in platform specific list
                const prefs_desc *desc = find_prefs_desc(keyword, common_prefs_items);
                if (desc == NULL)
                        desc = find_prefs_desc(keyword, platform_prefs_items);
                if (desc == NULL) {
                        printf("WARNING: Unknown preferences keyword '%s'\n", keyword);
                        continue;
                }

                // Add item to prefs
                switch (desc->type) {
                        case TYPE_STRING:
                                if (desc->multiple)
                                        PrefsAddString(keyword, value);
                                else
                                        PrefsReplaceString(keyword, value);
                                break;
                        case TYPE_BOOLEAN:
                                PrefsReplaceBool(keyword, !strcmp(value, "true"));
                                break;
                        case TYPE_INT16:
                                PrefsReplaceInt16(keyword, i);
                                break;
                        case TYPE_INT32:
                                PrefsReplaceInt32(keyword, i);
                                break;
                        default:
                                break;
                }
        }
}


/*
 *  Save settings to stream (utility function for SavePrefs() implementation)
 */

static void write_prefs(FILE *f, const prefs_desc *list)
{
        while (list->type != TYPE_ANY) {
                switch (list->type) {
                        case TYPE_STRING: {
                                int index = 0;
                                const char *str;
                                while ((str = PrefsFindString(list->name, index++)) != NULL)
                                        fprintf(f, "%s %s\n", list->name, str);
                                break;
                        }
                        case TYPE_BOOLEAN:
                                fprintf(f, "%s %s\n", list->name, PrefsFindBool(list->name) ? "true" : "false");
                                break;
                        case TYPE_INT16:
                                fprintf(f, "%s %d\n", list->name, PrefsFindInt16(list->name));
                                break;
                        case TYPE_INT32:
                                fprintf(f, "%s %ld\n", list->name, PrefsFindInt32(list->name));
                                break;
                        default:
                                break;
                }
                list++;
        }
}

void SavePrefsToStream(FILE *f)
{
        write_prefs(f, common_prefs_items);
        write_prefs(f, platform_prefs_items);
}
Revision:	1.2
Committed:	1999-10-19T17:41:18Z (24 years, 7 months ago) by cebix
Branch:	MAIN
CVS Tags:	snapshot-21101999
Changes since 1.1:	+1 -0 lines
Log Message:	- added external file system - moved most init/deinit code to InitAll()/ExitAll() in main.cpp
#	User	Rev	Content
1	cebix	1.1	/*
2			* prefs.cpp - Preferences handling
3			*
4			* Basilisk II (C) 1997-1999 Christian Bauer
5			*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19			*/
20
21			#include <string.h>
22			#include <stdlib.h>
23			#include <stdio.h>
24			#include <ctype.h>
25
26			#include "sysdeps.h"
27			#include "sys.h"
28			#include "prefs.h"
29
30
31			// Common preferences items (those which exist on all platforms)
32			// Except for "disk", "floppy", "cdrom", "scsiX", "screen", "rom" and "ether",
33			// these are guaranteed to be in the prefs; "disk", "floppy" and "cdrom" can
34			// occur multiple times
35			prefs_desc common_prefs_items[] = {
36			{"disk", TYPE_STRING, true}, // Device/file names of Mac volumes (disk.cpp)
37			{"floppy", TYPE_STRING, true}, // Device/file names of Mac floppy drives (sony.cpp)
38			{"cdrom", TYPE_STRING, true}, // Device/file names of Mac CD-ROM drives (cdrom.cpp)
39	cebix	1.2	{"extfs", TYPE_STRING, false}, // Root path of ExtFS (extfs.cpp)
40	cebix	1.1	{"scsi0", TYPE_STRING, false}, // SCSI targets for Mac SCSI ID 0..6 (scsi_*.cpp)
41			{"scsi1", TYPE_STRING, false},
42			{"scsi2", TYPE_STRING, false},
43			{"scsi3", TYPE_STRING, false},
44			{"scsi4", TYPE_STRING, false},
45			{"scsi5", TYPE_STRING, false},
46			{"scsi6", TYPE_STRING, false},
47			{"screen", TYPE_STRING, false}, // Video mode (video.cpp)
48			{"seriala", TYPE_STRING, false}, // Device name of Mac serial port A (serial_*.cpp)
49			{"serialb", TYPE_STRING, false}, // Device name of Mac serial port B (serial_*.cpp)
50			{"ether", TYPE_STRING, false}, // Device name of Mac ethernet adapter (ether_*.cpp)
51			{"rom", TYPE_STRING, false}, // Path of ROM file (main_*.cpp)
52			{"bootdrive", TYPE_INT16, false}, // Boot drive number (main_*.cpp)
53			{"bootdriver", TYPE_INT16, false}, // Boot driver number (main_*.cpp)
54			{"ramsize", TYPE_INT32, false}, // Size of Mac RAM in bytes (main_*.cpp)
55			{"frameskip", TYPE_INT32, false}, // Number of frames to skip in refreshed video modes (video_*.cpp)
56			{"modelid", TYPE_INT32, false}, // Mac Model ID (Gestalt Model ID minus 6) (rom_patches.cpp)
57			{"fpu", TYPE_BOOLEAN, false}, // Enable FPU emulation (main_*.cpp)
58			{"nocdrom", TYPE_BOOLEAN, false}, // Don't install CD-ROM driver (cdrom.cpp/rom_patches.cpp)
59			{"nosound", TYPE_BOOLEAN, false}, // Don't enable sound output (audio_*.cpp)
60			{"nogui", TYPE_BOOLEAN, false}, // Disable GUI (main_*.cpp)
61			{NULL, TYPE_END, false} // End of list
62			};
63
64
65			// Prefs item are stored in a linked list of these nodes
66			struct prefs_node {
67			prefs_node *next;
68			const char *name;
69			prefs_type type;
70			void *data;
71			};
72
73			// List of prefs nodes
74			static prefs_node *the_prefs;
75
76
77			/*
78			* Initialize preferences
79			*/
80
81			void PrefsInit(void)
82			{
83			// Start with empty list
84			the_prefs = NULL;
85
86			// Set defaults
87			SysAddSerialPrefs();
88			PrefsAddInt16("bootdriver", 0);
89			PrefsAddInt16("bootdrive", 0);
90			PrefsAddInt32("ramsize", 8 * 1024 * 1024);
91			PrefsAddInt32("frameskip", 6);
92			PrefsAddInt32("modelid", 5); // Mac IIci
93			PrefsAddBool("fpu", false);
94			PrefsAddBool("nocdrom", false);
95			PrefsAddBool("nosound", false);
96			PrefsAddBool("nogui", false);
97			AddPlatformPrefsDefaults();
98
99			// Load preferences from settings file
100			LoadPrefs();
101			}
102
103
104			/*
105			* Deinitialize preferences
106			*/
107
108			void PrefsExit(void)
109			{
110			// Free prefs list
111			prefs_node p = the_prefs, next;
112			while (p) {
113			next = p->next;
114			free((void *)p->name);
115			free(p->data);
116			delete p;
117			p = next;
118			}
119			}
120
121
122			/*
123			* Find preferences descriptor by keyword
124			*/
125
126			static const prefs_desc find_prefs_desc(const char name, const prefs_desc *list)
127			{
128			while (list->type != TYPE_ANY) {
129			if (strcmp(list->name, name) == 0)
130			return list;
131			list++;
132			}
133			return NULL;
134			}
135
136
137			/*
138			* Set prefs items
139			*/
140
141			static void add_data(const char name, prefs_type type, void data, int size)
142			{
143			void *d = malloc(size);
144			if (d == NULL)
145			return;
146			memcpy(d, data, size);
147			prefs_node *p = new prefs_node;
148			p->next = 0;
149			p->name = strdup(name);
150			p->type = type;
151			p->data = d;
152			if (the_prefs) {
153			prefs_node *prev = the_prefs;
154			while (prev->next)
155			prev = prev->next;
156			prev->next = p;
157			} else
158			the_prefs = p;
159			}
160
161			void PrefsAddString(const char name, const char s)
162			{
163			add_data(name, TYPE_STRING, (void *)s, strlen(s) + 1);
164			}
165
166			void PrefsAddBool(const char *name, bool b)
167			{
168			add_data(name, TYPE_BOOLEAN, &b, sizeof(bool));
169			}
170
171			void PrefsAddInt16(const char *name, int16 val)
172			{
173			add_data(name, TYPE_INT16, &val, sizeof(int16));
174			}
175
176			void PrefsAddInt32(const char *name, int32 val)
177			{
178			add_data(name, TYPE_INT32, &val, sizeof(int32));
179			}
180
181
182			/*
183			* Replace prefs items
184			*/
185
186			static prefs_node find_node(const char name, prefs_type type, int index = 0)
187			{
188			prefs_node *p = the_prefs;
189			int i = 0;
190			while (p) {
191			if ((type == TYPE_ANY \|\| p->type == type) && !strcmp(p->name, name)) {
192			if (i == index)
193			return p;
194			else
195			i++;
196			}
197			p = p->next;
198			}
199			return NULL;
200			}
201
202			void PrefsReplaceString(const char name, const char s, int index)
203			{
204			prefs_node *p = find_node(name, TYPE_STRING, index);
205			if (p) {
206			free(p->data);
207			p->data = strdup(s);
208			} else
209			add_data(name, TYPE_STRING, (void *)s, strlen(s) + 1);
210			}
211
212			void PrefsReplaceBool(const char *name, bool b)
213			{
214			prefs_node *p = find_node(name, TYPE_BOOLEAN);
215			if (p)
216			(bool )(p->data) = b;
217			else
218			add_data(name, TYPE_BOOLEAN, &b, sizeof(bool));
219			}
220
221			void PrefsReplaceInt16(const char *name, int16 val)
222			{
223			prefs_node *p = find_node(name, TYPE_INT16);
224			if (p)
225			(int16 )(p->data) = val;
226			else
227			add_data(name, TYPE_INT16, &val, sizeof(int16));
228			}
229
230			void PrefsReplaceInt32(const char *name, int32 val)
231			{
232			prefs_node *p = find_node(name, TYPE_INT32);
233			if (p)
234			(int32 )(p->data) = val;
235			else
236			add_data(name, TYPE_INT32, &val, sizeof(int32));
237			}
238
239
240			/*
241			* Get prefs items
242			*/
243
244			const char PrefsFindString(const char name, int index)
245			{
246			prefs_node *p = find_node(name, TYPE_STRING, index);
247			if (p)
248			return (char *)(p->data);
249			else
250			return NULL;
251			}
252
253			bool PrefsFindBool(const char *name)
254			{
255			prefs_node *p = find_node(name, TYPE_BOOLEAN, 0);
256			if (p)
257			return (bool )(p->data);
258			else
259			return false;
260			}
261
262			int16 PrefsFindInt16(const char *name)
263			{
264			prefs_node *p = find_node(name, TYPE_INT16, 0);
265			if (p)
266			return (int16 )(p->data);
267			else
268			return 0;
269			}
270
271			int32 PrefsFindInt32(const char *name)
272			{
273			prefs_node *p = find_node(name, TYPE_INT32, 0);
274			if (p)
275			return (int32 )(p->data);
276			else
277			return 0;
278			}
279
280
281			/*
282			* Remove prefs items
283			*/
284
285			void PrefsRemoveItem(const char *name, int index)
286			{
287			prefs_node *p = find_node(name, TYPE_ANY, index);
288			if (p) {
289			free((void *)p->name);
290			free(p->data);
291			prefs_node *q = the_prefs;
292			if (q == p) {
293			the_prefs = NULL;
294			delete p;
295			return;
296			}
297			while (q) {
298			if (q->next == p) {
299			q->next = p->next;
300			delete p;
301			return;
302			}
303			q = q->next;
304			}
305			}
306			}
307
308
309			/*
310			* Load prefs from stream (utility function for LoadPrefs() implementation)
311			*/
312
313			void LoadPrefsFromStream(FILE *f)
314			{
315			char line[256];
316			while(fgets(line, 255, f)) {
317			// Read line
318			int len = strlen(line);
319			if (len == 0)
320			continue;
321			line[len-1] = 0;
322
323			// Comments begin with "#" or ";"
324			if (line[0] == '#' \|\| line[0] == ';')
325			continue;
326
327			// Terminate string after keyword
328			char *p = line;
329			while (!isspace(*p)) p++;
330			*p++ = 0;
331
332			// Skip whitespace until value
333			while (isspace(*p)) p++;
334			if (*p == 0)
335			continue;
336			char *keyword = line;
337			char *value = p;
338			int32 i = atol(value);
339
340			// Look for keyword first in common item list, then in platform specific list
341			const prefs_desc *desc = find_prefs_desc(keyword, common_prefs_items);
342			if (desc == NULL)
343			desc = find_prefs_desc(keyword, platform_prefs_items);
344			if (desc == NULL) {
345			printf("WARNING: Unknown preferences keyword '%s'\n", keyword);
346			continue;
347			}
348
349			// Add item to prefs
350			switch (desc->type) {
351			case TYPE_STRING:
352			if (desc->multiple)
353			PrefsAddString(keyword, value);
354			else
355			PrefsReplaceString(keyword, value);
356			break;
357			case TYPE_BOOLEAN:
358			PrefsReplaceBool(keyword, !strcmp(value, "true"));
359			break;
360			case TYPE_INT16:
361			PrefsReplaceInt16(keyword, i);
362			break;
363			case TYPE_INT32:
364			PrefsReplaceInt32(keyword, i);
365			break;
366			default:
367			break;
368			}
369			}
370			}
371
372
373			/*
374			* Save settings to stream (utility function for SavePrefs() implementation)
375			*/
376
377			static void write_prefs(FILE f, const prefs_desc list)
378			{
379			while (list->type != TYPE_ANY) {
380			switch (list->type) {
381			case TYPE_STRING: {
382			int index = 0;
383			const char *str;
384			while ((str = PrefsFindString(list->name, index++)) != NULL)
385			fprintf(f, "%s %s\n", list->name, str);
386			break;
387			}
388			case TYPE_BOOLEAN:
389			fprintf(f, "%s %s\n", list->name, PrefsFindBool(list->name) ? "true" : "false");
390			break;
391			case TYPE_INT16:
392			fprintf(f, "%s %d\n", list->name, PrefsFindInt16(list->name));
393			break;
394			case TYPE_INT32:
395			fprintf(f, "%s %ld\n", list->name, PrefsFindInt32(list->name));
396			break;
397			default:
398			break;
399			}
400			list++;
401			}
402			}
403
404			void SavePrefsToStream(FILE *f)
405			{
406			write_prefs(f, common_prefs_items);
407			write_prefs(f, platform_prefs_items);
408			}