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1.1 root 1: /*
2: * UAE - The Un*x Amiga Emulator
3: *
4: * Config file handling
5: * This still needs some thought before it's complete...
6: *
7: * Copyright 1998 Brian King, Bernd Schmidt
8: */
9:
10: #include "sysconfig.h"
11: #include "sysdeps.h"
12:
13: #include <ctype.h>
14:
15: #include "config.h"
16: #include "options.h"
17: #include "threaddep/penguin.h"
18: #include "uae.h"
19: #include "autoconf.h"
20:
21: struct mount_data {
22: struct mount_data *next;
23: int secs, heads, reserved, bs, ro;
24: char *aname, *root;
25: };
26:
27: /* @@@ need to get rid of this... just cut part of the manual and print that
28: * as a help text. */
29: struct cfg_lines
30: {
31: const char *config_label, *config_help;
32: };
33:
34: static struct cfg_lines opttable[] =
35: {
36: {"help", "Prints this help" },
37: {"config_description", "" },
38: {"use_gui", "Enable the GUI? If no, then goes straight to emulator" },
39: {"use_debugger", "Enable the debugger?" },
40: {"cpu_speed", "can be max, real, or a number between 1 and 20" },
41: {"cpu_type", "Can be 68000, 68010, 68020, 68020/68881" },
42: {"cpu_compatible", "yes enables compatibility-mode" },
43: {"cpu_24bit_addressing", "must be set to 'no' in order for Z3mem or P96mem to work" },
44: {"autoconfig", "yes = add filesystems and extra ram" },
45: {"accuracy", "emulation accuracy, default is 2" },
46: {"log_illegal_mem", "print illegal memory access by Amiga software?" },
47: {"fastmem_size", "Size in megabytes of fast-memory" },
48: {"chipmem_size", "Size in megabytes of chip-memory" },
49: {"bogomem_size", "Size in megabytes of bogo-memory at 0xC00000" },
50: {"a3000mem_size", "Size in megabytes of A3000 memory" },
51: {"gfxcard_size", "Size in megabytes of Picasso96 graphics-card memory" },
52: {"z3mem_size", "Size in megabytes of Zorro-III expansion memory" },
53: {"gfx_test_speed", "Test graphics speed?" },
54: {"framerate", "Print every nth frame" },
55: {"gfx_width", "Screen width" },
56: {"gfx_height", "Screen height" },
57: {"gfx_lores", "Treat display as lo-res?" },
58: {"gfx_linemode", "Can be none, double, or scanlines" },
59: {"gfx_fullscreen_amiga", "Amiga screens are fullscreen?" },
60: {"gfx_fullscreen_picasso", "Picasso screens are fullscreen?" },
61: {"gfx_correct_aspect", "Correct aspect ratio?" },
62: {"gfx_center_horizontal", "Center display horizontally?" },
63: {"gfx_center_vertical", "Center display vertically?" },
64: {"gfx_colour_mode", "" },
65: {"32bit_blits", "Enable 32 bit blitter emulation" },
66: {"immediate_blits", "Perform blits immediately" },
67: {"gfxlib_replacement", "Use graphics.library replacement?" },
68: {"sound_output", "" },
69: {"sound_frequency", "" },
70: {"sound_bits", "" },
71: {"sound_channels", "" },
72: {"sound_min_buff", "" },
73: {"sound_max_buff", "" },
74: {"parallel_on_demand", "" },
75: {"serial_on_demand", "" },
76: {"joyport0", "" },
77: {"joyport1", "" },
78: {"kickstart_rom_file", "Kickstart ROM image, (C) Copyright Amiga, Inc." },
79: {"kickstart_key_file", "Key-file for encrypted ROM images (from Cloanto's Amiga Forever)" },
80: {"floppy0", "Diskfile for drive 0" },
81: {"floppy1", "Diskfile for drive 1" },
82: {"floppy2", "Diskfile for drive 2" },
83: {"floppy3", "Diskfile for drive 3" },
84: {"hardfile", "access,sectors, surfaces, reserved, blocksize, path format" },
85: {"filesystem", "access,'Amiga volume-name':'host directory path' - where 'access' can be 'read-only' or 'read-write'" }
86: };
87:
88: static const char *linemode1[] = { "none", "double", "scanlines", 0 };
89: static const char *linemode2[] = { "n", "d", "s", 0 };
90: static const char *speedmode[] = { "max", "real", 0 };
91: static const char *cpumode[] = { "68000", "68000", "68010", "68010",
92: "68ec020", "68020", "68ec020/68881", "68020/68881", 0 };
93: static const char *portmode[] = { "joy0", "joy1", "mouse", "kbd1", "kbd2", "kbd3", 0 };
94: static const char *colormode1[] = { "8bit", "15bit", "16bit", "8bit_dither", "4bit_dither", "32bit", 0 };
95: static const char *colormode2[] = { "8", "15", "16", "8d", "4d", "32", 0 };
96: static const char *soundmode[] = { "none", "interrupts", "normal", "exact", 0 };
97: static const char *stereomode1[] = { "mono", "stereo", 0 };
98: static const char *stereomode2[] = { "m", "s", 0 };
99: static const char *stereomode3[] = { "1", "2", 0 };
100:
101: #define UNEXPANDED "$(FILE_PATH)"
102:
103: static int match_string (const char *table[], const char *str)
104: {
105: int i;
106: for (i = 0; table[i] != 0; i++)
107: if (strcasecmp (table[i], str) == 0)
108: return i;
109: return -1;
110: }
111:
112: char *cfgfile_subst_path (const char *path, const char *subst, const char *file)
113: {
114: /* @@@ use strcasecmp for some targets. */
115: if (strlen (path) > 0 && strncmp (file, path, strlen (path)) == 0) {
116: int l;
117: char *p = xmalloc (strlen (file) + strlen (subst) + 2);
118: strcpy (p, subst);
119: l = strlen (p);
120: while (l > 0 && p[l - 1] == '/')
121: p[--l] = '\0';
122: l = strlen (path);
123: while (file[l] == '/')
124: l++;
125: strcat (p, "/"); strcat (p, file + l);
126: return p;
127: }
128: return my_strdup (file);
129: }
130:
131: void save_options (FILE *f, struct uae_prefs *p)
132: {
133: struct strlist *sl;
134: char *str;
135: int i;
136:
137: fprintf (f, "config_description=%s\n", p->description);
138:
139: for (sl = p->unknown_lines; sl; sl = sl->next)
140: fprintf (f, "%s\n", sl->str);
141:
142: fprintf (f, "%s.rom_path=%s\n", TARGET_NAME, p->path_rom);
143: fprintf (f, "%s.floppy_path=%s\n", TARGET_NAME, p->path_floppy);
144: fprintf (f, "%s.hardfile_path=%s\n", TARGET_NAME, p->path_hardfile);
145:
146: fprintf (f, "use_gui=%s\n", p->start_gui ? "true" : "false");
147: fprintf (f, "use_debugger=%s\n", p->start_debugger ? "true" : "false");
148: str = cfgfile_subst_path (p->path_rom, UNEXPANDED, p->romfile);
149: fprintf (f, "kickstart_rom_file=%s\n", str);
150: free (str);
151: str = cfgfile_subst_path (p->path_rom, UNEXPANDED, p->keyfile);
152: fprintf (f, "kickstart_key_file=%s\n", str);
153: free (str);
154:
155: for (i = 0; i < 4; i++) {
156: str = cfgfile_subst_path (p->path_floppy, UNEXPANDED, p->df[i]);
157: fprintf (f, "floppy%d=%s\n", i, str);
158: free (str);
159: }
160: fprintf (f, "parallel_on_demand=%s\n", p->parallel_demand ? "true" : "false");
161: fprintf (f, "serial_on_demand=%s\n", p->serial_demand ? "true" : "false");
162:
163: fprintf (f, "sound_output=%s\n", soundmode[p->produce_sound]);
164: fprintf (f, "sound_channels=%s\n", stereomode1[p->stereo]);
165: fprintf (f, "sound_bits=%d\n", p->sound_bits);
166: fprintf (f, "sound_min_buff=%d\n", p->sound_minbsiz);
167: fprintf (f, "sound_max_buff=%d\n", p->sound_maxbsiz);
168: fprintf (f, "sound_frequency=%d\n", p->sound_freq);
169:
170: fprintf (f, "sound_pri_time=%d\n", p->sound_pri_time);
171: fprintf (f, "sound_pri_cutoff=%d\n", p->sound_pri_cutoff);
172:
173: fprintf (f, "joyport0=%s\n", portmode[p->jport0]);
174: fprintf (f, "joyport1=%s\n", portmode[p->jport1]);
175:
176: fprintf (f, "framerate=%d\n", p->framerate);
177:
178: fprintf (f, "gfx_width=%d\n", p->gfx_width);
179: fprintf (f, "gfx_height=%d\n", p->gfx_height);
180: fprintf (f, "gfx_lores=%s\n", p->gfx_lores ? "true" : "false");
181: fprintf (f, "gfx_linemode=%s\n", linemode1[p->gfx_linedbl]);
182: fprintf (f, "gfx_correct_aspect=%s\n", p->gfx_correct_aspect ? "true" : "false");
183: fprintf (f, "gfx_fullscreen_amiga=%s\n", p->gfx_afullscreen ? "true" : "false");
184: fprintf (f, "gfx_fullscreen_picasso=%s\n", p->gfx_pfullscreen ? "true" : "false");
185: fprintf (f, "gfx_center_horizontal=%s\n", p->gfx_xcenter ? "true" : "false");
186: fprintf (f, "gfx_center_vertical=%s\n", p->gfx_ycenter ? "true" : "false");
187: fprintf (f, "gfx_colour_mode=%s\n", colormode1[p->color_mode]);
188:
189: fprintf (f, "32bit_blits=%s\n", p->blits_32bit_enabled ? "true" : "false");
190: fprintf (f, "immediate_blits=%s\n", p->immediate_blits ? "true" : "false");
191:
192: fprintf (f, "fastmem_size=%d\n", p->fastmem_size / 0x100000);
193: fprintf (f, "a3000mem_size=%d\n", p->a3000mem_size / 0x100000);
194: fprintf (f, "z3mem_size=%d\n", p->z3fastmem_size / 0x100000);
195: fprintf (f, "bogomem_size=%d\n", p->bogomem_size / 0x40000);
196: fprintf (f, "gfxcard_size=%d\n", p->gfxmem_size / 0x100000);
197: fprintf (f, "chipmem_size=%d\n", p->chipmem_size / 0x80000);
198:
199: if (currprefs.m68k_speed > 0)
200: fprintf (f, "cpu_speed=%d\n", p->m68k_speed);
201: else
202: fprintf (f, "cpu_speed=%s\n", p->m68k_speed == -1 ? "max" : "real");
203:
204: fprintf (f, "cpu_type=%s\n", cpumode[p->cpu_level * 2 + !p->address_space_24]);
205: fprintf (f, "cpu_compatible=%s\n", p->cpu_compatible ? "true" : "false");
206: fprintf (f, "autoconfig=%s\n", p->automount_uaedev ? "true" : "false");
207:
208: fprintf (f, "accuracy=%d\n", p->emul_accuracy);
209: fprintf (f, "log_illegal_mem=%s\n", p->illegal_mem ? "true" : "false");
210:
211: fprintf (f, "kbd_lang=%s\n", (p->keyboard_lang == KBD_LANG_DE ? "de"
212: : p->keyboard_lang == KBD_LANG_ES ? "es"
213: : p->keyboard_lang == KBD_LANG_US ? "us"
214: : p->keyboard_lang == KBD_LANG_SE ? "se"
215: : p->keyboard_lang == KBD_LANG_FR ? "fr"
216: : p->keyboard_lang == KBD_LANG_IT ? "it"
217: : "FOO"));
218:
219: write_filesys_config (p->mountinfo, UNEXPANDED, p->path_hardfile, f);
220:
221: /* Don't write gfxlib/gfx_test_speed options. */
222: }
223:
224: int cfgfile_yesno (char *option, char *value, char *name, int *location)
225: {
226: if (strcmp (option, name) != 0)
227: return 0;
228: if (strcasecmp (value, "yes") == 0 || strcasecmp (value, "y") == 0
229: || strcasecmp (value, "true") == 0 || strcasecmp (value, "t") == 0)
230: *location = 1;
231: else if (strcasecmp (value, "no") == 0 || strcasecmp (value, "n") == 0
232: || strcasecmp (value, "false") == 0 || strcasecmp (value, "f") == 0)
233: *location = 0;
234: else
235: write_log ("Option `%s' requires a value of either `yes' or `no'.\n", option);
236: return 1;
237: }
238:
239: int cfgfile_intval (char *option, char *value, char *name, int *location, int scale)
240: {
241: int base = 10;
242: char *endptr;
243: if (strcmp (option, name) != 0)
244: return 0;
245: /* I guess octal isn't popular enough to worry about here... */
246: if (value[0] == '0' && value[1] == 'x')
247: value += 2, base = 16;
248: *location = strtol (value, &endptr, base) * scale;
249:
250: if (*endptr != '\0' || *value == '\0')
251: write_log ("Option `%s' requires a numeric argument.\n", option);
252: return 1;
253: }
254:
255: int cfgfile_strval (char *option, char *value, char *name, int *location, const char *table[], int more)
256: {
257: int val;
258: if (strcmp (option, name) != 0)
259: return 0;
260: val = match_string (table, value);
261: if (val == -1) {
262: if (! more)
263: write_log ("Unknown value for option `%s'.\n", option);
264: return 1;
265: }
266: *location = val;
267: return 1;
268: }
269:
270: int cfgfile_string (char *option, char *value, char *name, char *location, int maxsz)
271: {
272: if (strcmp (option, name) != 0)
273: return 0;
274: strncpy (location, value, maxsz - 1);
275: location[maxsz - 1] = '\0';
276: return 1;
277: }
278:
279: static int getintval (char **p, int *result, int delim)
280: {
281: char *value = *p;
282: int base = 10;
283: char *endptr;
284: char *p2 = strchr (*p, delim);
285:
286: if (p2 == 0)
287: return 0;
288:
289: *p2++ = '\0';
290:
291: if (value[0] == '0' && value[1] == 'x')
292: value += 2, base = 16;
293: *result = strtol (value, &endptr, base);
294: *p = p2;
295:
296: if (*endptr != '\0' || *value == '\0')
297: return 0;
298:
299: return 1;
300: }
301:
302: int cfgfile_parse_option (struct uae_prefs *p, char *option, char *value,
303: struct mount_data **pmqueue)
304: {
305: char *section = 0;
306: char *tmpp;
307: for (tmpp = option; *tmpp != '\0'; tmpp++)
308: if (isupper (*tmpp))
309: *tmpp = tolower (*tmpp);
310: tmpp = strchr (option, '.');
311: if (tmpp) {
312: section = option;
313: option = tmpp + 1;
314: *tmpp = '\0';
315: if (strcmp (section, TARGET_NAME) == 0) {
316: /* We special case the various path options here. */
317: if (cfgfile_string (option, value, "rom_path", p->path_rom, 256)
318: || cfgfile_string (option, value, "floppy_path", p->path_floppy, 256)
319: || cfgfile_string (option, value, "hardfile_path", p->path_hardfile, 256))
320: return 1;
321: return target_parse_option (p, option, value);
322: }
323: return 0;
324: }
325: if (cfgfile_yesno (option, value, "use_debugger", &p->start_debugger)
326: || cfgfile_yesno (option, value, "use_gui", &p->start_gui)
327: || cfgfile_yesno (option, value, "immediate_blits", &p->immediate_blits)
328: || cfgfile_yesno (option, value, "32bit_blits", &p->blits_32bit_enabled)
329: || cfgfile_yesno (option, value, "gfx_lores", &p->gfx_lores)
330: || cfgfile_yesno (option, value, "gfx_correct_aspect", &p->gfx_correct_aspect)
331: || cfgfile_yesno (option, value, "gfx_fullscreen_amiga", &p->gfx_afullscreen)
332: || cfgfile_yesno (option, value, "gfx_fullscreen_picasso", &p->gfx_pfullscreen)
333: || cfgfile_yesno (option, value, "gfx_center_horizontal", &p->gfx_xcenter)
334: || cfgfile_yesno (option, value, "gfx_center_vertical", &p->gfx_ycenter)
335: || cfgfile_yesno (option, value, "cpu_compatible", &p->cpu_compatible)
336: || cfgfile_yesno (option, value, "cpu_24bit_addressing", &p->address_space_24)
337: || cfgfile_yesno (option, value, "autoconfig", &p->automount_uaedev)
338: || cfgfile_yesno (option, value, "parallel_on_demand", &p->parallel_demand)
339: || cfgfile_yesno (option, value, "serial_on_demand", &p->serial_demand)
340: || cfgfile_yesno (option, value, "log_illegal_mem", &p->illegal_mem))
341: return 1;
342: if (cfgfile_intval (option, value, "accuracy", &p->emul_accuracy, 1)
343: || cfgfile_intval (option, value, "sound_min_buff", &p->sound_minbsiz, 1)
344: || cfgfile_intval (option, value, "sound_max_buff", &p->sound_maxbsiz, 1)
345: || cfgfile_intval (option, value, "sound_frequency", &p->sound_freq, 1)
346: || cfgfile_intval (option, value, "sound_bits", &p->sound_bits, 1)
347: || cfgfile_intval (option, value, "sound_pri_cutoff", &p->sound_pri_cutoff, 1)
348: || cfgfile_intval (option, value, "sound_pri_time", &p->sound_pri_time, 1)
349: || cfgfile_intval (option, value, "framerate", &p->framerate, 1)
350: || cfgfile_intval (option, value, "gfx_width", &p->gfx_width, 1)
351: || cfgfile_intval (option, value, "gfx_height", &p->gfx_height, 1)
352: || cfgfile_intval (option, value, "fastmem_size", &p->fastmem_size, 0x100000)
353: || cfgfile_intval (option, value, "a3000mem_size", &p->a3000mem_size, 0x100000)
354: || cfgfile_intval (option, value, "z3mem_size", &p->z3fastmem_size, 0x100000)
355: || cfgfile_intval (option, value, "bogomem_size", &p->bogomem_size, 0x40000)
356: || cfgfile_intval (option, value, "gfxcard_size", &p->gfxmem_size, 0x100000)
357: || cfgfile_intval (option, value, "chipmem_size", &p->chipmem_size, 0x80000))
358: return 1;
359: if (cfgfile_strval (option, value, "sound_output", &p->produce_sound, soundmode, 0)
360: || cfgfile_strval (option, value, "sound_channels", &p->stereo, stereomode1, 1)
361: || cfgfile_strval (option, value, "sound_channels", &p->stereo, stereomode2, 1)
362: || cfgfile_strval (option, value, "sound_channels", &p->stereo, stereomode3, 0)
363: || cfgfile_strval (option, value, "joyport0", &p->jport0, portmode, 0)
364: || cfgfile_strval (option, value, "joyport1", &p->jport1, portmode, 0)
365: || cfgfile_strval (option, value, "gfx_linemode", &p->gfx_linedbl, linemode1, 1)
366: || cfgfile_strval (option, value, "gfx_linemode", &p->gfx_linedbl, linemode2, 0)
367: || cfgfile_strval (option, value, "gfx_colour_mode", &p->color_mode, colormode1, 1)
368: || cfgfile_strval (option, value, "gfx_colour_mode", &p->color_mode, colormode2, 0)
369: || cfgfile_strval (option, value, "gfx_color_mode", &p->color_mode, colormode1, 1)
370: || cfgfile_strval (option, value, "gfx_color_mode", &p->color_mode, colormode2, 0))
371: return 1;
372: if (cfgfile_string (option, value, "floppy0", p->df[0], 256)
373: || cfgfile_string (option, value, "floppy1", p->df[1], 256)
374: || cfgfile_string (option, value, "floppy2", p->df[2], 256)
375: || cfgfile_string (option, value, "floppy3", p->df[3], 256)
376: || cfgfile_string (option, value, "kickstart_rom_file", p->romfile, 256)
377: || cfgfile_string (option, value, "kickstart_key_file", p->keyfile, 256)
378: || cfgfile_string (option, value, "description", p->description, 256))
379: return 1;
380:
381: /* Tricky ones... */
382: if (cfgfile_strval (option, value, "cpu_type", &p->cpu_level, cpumode, 0)) {
383: p->address_space_24 = !(p->cpu_level & 1);
384: p->cpu_level >>= 1;
385: return 1;
386: }
387: if (cfgfile_strval (option, value, "cpu_speed", &p->m68k_speed, speedmode, 1)) {
388: p->m68k_speed--;
389: return 1;
390: }
391: if (cfgfile_intval (option, value, "cpu_speed", &p->m68k_speed, 1))
392: return 1;
393:
394: if (strcmp (option, "kbd_lang") == 0) {
395: KbdLang l;
396: if ((l = KBD_LANG_DE, strcasecmp (value, "de") == 0)
397: || (l = KBD_LANG_SE, strcasecmp (value, "se") == 0)
398: || (l = KBD_LANG_US, strcasecmp (value, "us") == 0)
399: || (l = KBD_LANG_FR, strcasecmp (value, "fr") == 0)
400: || (l = KBD_LANG_IT, strcasecmp (value, "it") == 0)
401: || (l = KBD_LANG_ES, strcasecmp (value, "es") == 0))
402: p->keyboard_lang = l;
403: else
404: write_log ("Unknown keyboard language\n");
405: return 1;
406: }
407:
408: if (strcmp (option, "filesystem") == 0
409: || strcmp (option, "hardfile") == 0)
410: {
411: struct mount_data *data = xmalloc (sizeof (struct mount_data));
412: char *tmpp = strchr (value, ',');
413:
414: if (tmpp == 0)
415: goto invalid_fs;
416:
417: *tmpp++ = '\0';
418: if (strcmp (value, "0") == 0 || strcasecmp (value, "ro") == 0
419: || strcasecmp (value, "readonly") == 0
420: || strcasecmp (value, "read-only") == 0)
421: data->ro = 1;
422: else if (strcmp (value, "1") == 0 || strcasecmp (value, "rw") == 0
423: || strcasecmp (value, "readwrite") == 0
424: || strcasecmp (value, "read-write") == 0)
425: data->ro = 0;
426: else
427: goto invalid_fs;
428: data->secs = 0; data->heads = 0; data->reserved = 0; data->bs = 0;
429:
430: value = tmpp;
431: if (strcmp (option, "filesystem") == 0) {
432: tmpp = strchr (value, ':');
433: if (tmpp == 0)
434: goto invalid_fs;
435: *tmpp++ = '\0';
436: data->aname = my_strdup (value);
437: data->root = my_strdup (tmpp);
438: } else {
439: if (! getintval (&value, &data->secs, ',')
440: || ! getintval (&value, &data->heads, ',')
441: || ! getintval (&value, &data->reserved, ',')
442: || ! getintval (&value, &data->bs, ','))
443: goto invalid_fs;
444: data->root = my_strdup (value);
445: data->aname = 0;
446: }
447: if (pmqueue == 0) {
448: char *str = cfgfile_subst_path (UNEXPANDED, p->path_hardfile, data->root);
449: tmpp = add_filesys_unit (p->mountinfo, data->aname, str, data->ro, data->secs,
450: data->heads, data->reserved, data->bs);
451: free (str);
452: if (tmpp)
453: write_log ("Error: %s\n", tmpp);
454: free (data->root);
455: if (data->aname)
456: free (data->aname);
457: free (data);
458: } else {
459: data->next = *pmqueue;
460: *pmqueue = data;
461: }
462: return 1;
463:
464: invalid_fs:
465: free (data);
466: write_log ("Invalid filesystem/hardfile specification.\n");
467: return 1;
468: }
469:
470: return 0;
471: }
472:
473: void cfgfile_parse_line (struct uae_prefs *p, char *line, struct mount_data **pmqueue)
474: {
475: int i;
476: char *orig_line = my_strdup (line);
477: char *line1, *line2;
478:
479: line1 = line;
480: line2 = strchr (line, '=');
481: if (! line2) {
482: write_log ("CFGFILE: line was incomplete with only %s\n", line1);
483: return;
484: }
485:
486: *line2++ = '\0';
487:
488: /* Get rid of whitespace. */
489: line2[strcspn (line2, "\t \r\n")] = '\0';
490: line2 += strspn (line2, "\t \r\n");
491: line[strcspn (line, "\t \r\n")] = '\0';
492: line += strspn (line, "\t \r\n");
493:
494: if (! cfgfile_parse_option (p, line, line2, pmqueue)) {
495: struct strlist *u = xmalloc (sizeof (struct strlist));
496: u->str = orig_line;
497: u->next = p->unknown_lines;
498: p->unknown_lines = u;
499: } else
500: free (orig_line);
501: }
502:
503: static void subst (char *p, char *f, int n)
504: {
505: char *str = cfgfile_subst_path (UNEXPANDED, p, f);
506: strncpy (f, str, n - 1);
507: f[n - 1] = '\0';
508: free (str);
509: }
510:
511: int cfgfile_load (struct uae_prefs *p, const char *filename)
512: {
513: struct mount_data *q = 0;
514: char *str;
515: int i;
516:
517: FILE *fh;
518: char line[256];
519:
520: fh = fopen (filename, "rt");
521: if (! fh)
522: return 0;
523:
524: while (fgets (line, 256, fh) != 0) {
525: line[strcspn (line, "\t \r\n")] = '\0';
526: if (strlen (line) > 0)
527: cfgfile_parse_line (p, line, &q);
528: }
529: fclose (fh);
530:
531: for (i = 0; i < 4; i++)
532: subst (p->path_floppy, p->df[i], sizeof p->df[i]);
533: subst (p->path_rom, p->romfile, sizeof p->romfile);
534: subst (p->path_rom, p->keyfile, sizeof p->keyfile);
535:
536: while (q != 0) {
537: const char *errstr;
538: struct mount_data *data = q;
539:
540: str = cfgfile_subst_path (UNEXPANDED, p->path_hardfile, data->root);
541: errstr = add_filesys_unit (p->mountinfo, data->aname, str, data->ro, data->secs,
542: data->heads, data->reserved, data->bs);
543: free (str);
544:
545: if (errstr)
546: write_log ("Error: %s\n", errstr);
547: q = data->next;
548: free (data->root);
549: if (data->aname)
550: free (data->aname);
551: free (data);
552: }
553:
554: return 1;
555: }
556:
557: int cfgfile_save (struct uae_prefs *p, const char *filename)
558: {
559: FILE *fh = fopen (filename, "w");
560: if (! fh)
561: return 0;
562:
563: save_options (fh, p);
564: fclose (fh);
565: return 1;
566: }
567:
568: int cfgfile_get_description (const char *filename, char *description)
569: {
570: int result = 0;
571: struct uae_prefs p;
572: default_prefs (&p);
573: strcpy (p.description, "");
574: if (cfgfile_load (&p, filename) && strlen (p.description) != 0) {
575: result = 1;
576: strcpy (description, p.description);
577: }
578: discard_prefs (&p);
579: return result;
580: }
581:
582: void cfgfile_show_usage (void)
583: {
584: int i;
585: fprintf (stderr, "UAE Configuration Help:\n" \
586: "=======================\n");
587: for (i = 0; i < sizeof opttable / sizeof *opttable; i++)
588: fprintf (stderr, "%s: %s\n", opttable[i].config_label, opttable[i].config_help);
589: }
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