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/* |
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* prefs.cpp - Preferences handling |
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* |
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* Basilisk II (C) 1997-2000 Christian Bauer |
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* Basilisk II (C) 1997-2008 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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}; |
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// List of prefs nodes |
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static prefs_node *the_prefs; |
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static prefs_node *the_prefs = NULL; |
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|
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// Prototypes |
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static const prefs_desc *find_prefs_desc(const char *name); |
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/* |
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* Initialize preferences |
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*/ |
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void PrefsInit(void) |
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void PrefsInit(const char *vmdir, int &argc, char **&argv) |
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{ |
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// Start with empty list |
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the_prefs = NULL; |
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|
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// Set defaults |
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AddPrefsDefaults(); |
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AddPlatformPrefsDefaults(); |
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// Load preferences from settings file |
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LoadPrefs(); |
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LoadPrefs(vmdir); |
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|
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// Override prefs with command line options |
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for (int i=1; i<argc; i++) { |
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|
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// Options are of the form '--keyword' |
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const char *option = argv[i]; |
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if (!option || strlen(option) < 3 || option[0] != '-' || option[1] != '-') |
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continue; |
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const char *keyword = option + 2; |
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|
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// Find descriptor for keyword |
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const prefs_desc *d = find_prefs_desc(keyword); |
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if (d == NULL) |
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continue; |
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argv[i] = NULL; |
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|
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// Get value |
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i++; |
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if (i >= argc) { |
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fprintf(stderr, "Option '%s' must be followed by a value\n", option); |
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continue; |
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} |
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const char *value = argv[i]; |
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argv[i] = NULL; |
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|
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// Add/replace prefs item |
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switch (d->type) { |
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case TYPE_STRING: |
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if (d->multiple) |
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PrefsAddString(keyword, value); |
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else |
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PrefsReplaceString(keyword, value); |
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break; |
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|
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case TYPE_BOOLEAN: { |
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if (!strcmp(value, "true") || !strcmp(value, "on") || !strcmp(value, "yes")) |
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PrefsReplaceBool(keyword, true); |
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else if (!strcmp(value, "false") || !strcmp(value, "off") || !strcmp(value, "no")) |
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PrefsReplaceBool(keyword, false); |
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else |
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fprintf(stderr, "Value for option '%s' must be 'true' or 'false'\n", option); |
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break; |
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} |
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|
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case TYPE_INT32: |
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PrefsReplaceInt32(keyword, atoi(value)); |
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break; |
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|
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default: |
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break; |
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} |
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} |
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|
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// Remove processed arguments |
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for (int i=1; i<argc; i++) { |
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int k; |
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for (k=i; k<argc; k++) |
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if (argv[k] != NULL) |
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break; |
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if (k > i) { |
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k -= i; |
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for (int j=i+k; j<argc; j++) |
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argv[j-k] = argv[j]; |
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argc -= k; |
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} |
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} |
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|
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#ifdef SHEEPSHAVER |
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// System specific initialization |
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prefs_init(); |
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#endif |
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} |
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void PrefsExit(void) |
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{ |
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#ifdef SHEEPSHAVER |
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// System specific deinitialization |
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prefs_exit(); |
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#endif |
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|
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// Free prefs list |
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prefs_node *p = the_prefs, *next; |
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while (p) { |
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delete p; |
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p = next; |
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} |
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the_prefs = NULL; |
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} |
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|
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|
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/* |
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* Print preferences options help |
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*/ |
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|
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static void print_options(const prefs_desc *list) |
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{ |
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while (list->type != TYPE_END) { |
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if (list->help) { |
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const char *typestr, *defstr; |
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char numstr[32]; |
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switch (list->type) { |
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case TYPE_STRING: |
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typestr = "STRING"; |
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defstr = PrefsFindString(list->name); |
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if (defstr == NULL) |
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defstr = "none"; |
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break; |
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case TYPE_BOOLEAN: |
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typestr = "BOOL"; |
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if (PrefsFindBool(list->name)) |
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defstr = "true"; |
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else |
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defstr = "false"; |
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break; |
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case TYPE_INT32: |
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typestr = "NUMBER"; |
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sprintf(numstr, "%d", PrefsFindInt32(list->name)); |
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defstr = numstr; |
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break; |
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default: |
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typestr = "<unknown>"; |
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defstr = "none"; |
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break; |
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} |
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printf(" --%s %s\n %s [default=%s]\n", list->name, typestr, list->help, defstr); |
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} |
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list++; |
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} |
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} |
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|
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void PrefsPrintUsage(void) |
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{ |
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printf("\nGeneral options:\n"); |
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print_options(common_prefs_items); |
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printf("\nPlatform-specific options:\n"); |
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print_options(platform_prefs_items); |
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printf("\nBoolean options are specified as '--OPTION true|on|yes' or\n'--OPTION false|off|no'.\n"); |
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} |
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return NULL; |
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} |
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static const prefs_desc *find_prefs_desc(const char *name) |
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{ |
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const prefs_desc *d = find_prefs_desc(name, common_prefs_items); |
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if (d == NULL) |
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d = find_prefs_desc(name, platform_prefs_items); |
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return d; |
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} |
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|
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/* |
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* Set prefs items |
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add_data(name, TYPE_BOOLEAN, &b, sizeof(bool)); |
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} |
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void PrefsAddInt16(const char *name, int16 val) |
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{ |
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add_data(name, TYPE_INT16, &val, sizeof(int16)); |
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} |
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void PrefsAddInt32(const char *name, int32 val) |
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{ |
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add_data(name, TYPE_INT32, &val, sizeof(int32)); |
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add_data(name, TYPE_BOOLEAN, &b, sizeof(bool)); |
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} |
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void PrefsReplaceInt16(const char *name, int16 val) |
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{ |
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prefs_node *p = find_node(name, TYPE_INT16); |
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if (p) |
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*(int16 *)(p->data) = val; |
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else |
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add_data(name, TYPE_INT16, &val, sizeof(int16)); |
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} |
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void PrefsReplaceInt32(const char *name, int32 val) |
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{ |
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prefs_node *p = find_node(name, TYPE_INT32); |
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return false; |
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} |
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int16 PrefsFindInt16(const char *name) |
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{ |
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prefs_node *p = find_node(name, TYPE_INT16, 0); |
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if (p) |
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return *(int16 *)(p->data); |
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else |
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return 0; |
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} |
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|
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int32 PrefsFindInt32(const char *name) |
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{ |
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prefs_node *p = find_node(name, TYPE_INT32, 0); |
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char *value = p; |
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int32 i = atol(value); |
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// Look for keyword first in common item list, then in platform specific list |
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const prefs_desc *desc = find_prefs_desc(keyword, common_prefs_items); |
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if (desc == NULL) |
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desc = find_prefs_desc(keyword, platform_prefs_items); |
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// Look for keyword first in prefs item list |
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const prefs_desc *desc = find_prefs_desc(keyword); |
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if (desc == NULL) { |
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printf("WARNING: Unknown preferences keyword '%s'\n", keyword); |
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continue; |
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case TYPE_BOOLEAN: |
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PrefsReplaceBool(keyword, !strcmp(value, "true")); |
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break; |
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case TYPE_INT16: |
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PrefsReplaceInt16(keyword, i); |
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break; |
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case TYPE_INT32: |
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PrefsReplaceInt32(keyword, i); |
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break; |
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case TYPE_BOOLEAN: |
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fprintf(f, "%s %s\n", list->name, PrefsFindBool(list->name) ? "true" : "false"); |
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break; |
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case TYPE_INT16: |
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fprintf(f, "%s %d\n", list->name, PrefsFindInt16(list->name)); |
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break; |
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case TYPE_INT32: |
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fprintf(f, "%s %d\n", list->name, PrefsFindInt32(list->name)); |
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break; |