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annotate config.c @ 1863:d60f2d7c02a5

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Differentiate between the full Sega mapper and the SRAM only one. Fixes crash on save state load for Phantasy Star IV and other games that use the same mapper
author Michael Pavone <pavone@retrodev.com>
date Tue, 14 May 2019 23:20:35 -0700
parents a4cae960fd08
children 93960907807a
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rev   line source
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1 /*
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2 Copyright 2013 Michael Pavone
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3 This file is part of BlastEm.
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
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5 */
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6 #include "tern.h"
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7 #include "util.h"
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8 #include "paths.h"
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9 #include <stdio.h>
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10 #include <stdlib.h>
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11 #include <string.h>
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12
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13 #ifdef __MINGW64_VERSION_MAJOR
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14 #define MINGW_W64_VERSION (__MINGW64_VERSION_MAJOR * 1000 + __MINGW64_VERSION_MINOR)
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15 #else
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16 #define MINGW_W64_VERSION 0
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17 #endif
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19 #if defined(_WIN32) && (MINGW_W64_VERSION < 3003)
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20 char * strtok_r(char * input, char * sep, char ** state)
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21 {
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22 if (input) {
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23 *state = input;
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24 }
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25 char * ret = *state;
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26 while (**state && **state != *sep)
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27 {
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28 ++*state;
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29 }
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30 if (**state)
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31 {
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32 **state = 0;
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33 ++*state;
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34 return ret;
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35 }
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36 return NULL;
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37 }
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38 #endif
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39
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40 static tern_node * parse_config_int(char **state, int started, int *line)
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41 {
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42 char *config_data, *curline;
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43 tern_node * head = NULL;
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44 config_data = started ? NULL : *state;
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45 while ((curline = strtok_r(config_data, "\n", state)))
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46 {
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47
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48 config_data = NULL;
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49 curline = strip_ws(curline);
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50 int len = strlen(curline);
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51 if (!len) {
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52 (*line)++;
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53 continue;
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54 }
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55 if (curline[0] == '#') {
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56 (*line)++;
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57 continue;
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58 }
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59 if (curline[0] == '}') {
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60 if (started) {
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61 return head;
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62 }
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63 fatal_error("unexpected } on line %d\n", *line);
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64 }
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65
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66 char * end = curline + len - 1;
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67 if (*end == '{') {
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68 *end = 0;
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69 curline = strip_ws(curline);
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70 (*line)++;
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71 head = tern_insert_node(head, curline, parse_config_int(state, 1, line));
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72 } else {
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73 char * val = strip_ws(split_keyval(curline));
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74 char * key = curline;
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75 if (*val) {
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76 head = tern_insert_ptr(head, key, strdup(val));
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77 } else {
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78 fprintf(stderr, "Key %s is missing a value on line %d\n", key, *line);
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79 }
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80 (*line)++;
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81 }
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82 }
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83 return head;
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84 }
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85
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86 tern_node *parse_config(char * config_data)
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87 {
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88 int line = 1;
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89 return parse_config_int(&config_data, 0, &line);
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90 }
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91
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92 typedef struct {
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93 char *buf;
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94 uint32_t capacity;
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95 uint32_t size;
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96 uint32_t indent;
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97 } serialize_state;
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98
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99 static void ensure_buf_capacity(uint32_t ensure, serialize_state *state)
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100 {
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101 if (ensure + state->size > state->capacity) {
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102 state->capacity = state->capacity * 2;
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103 state->buf = realloc(state->buf, state->capacity);
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104 }
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105 }
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106
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107 static void indent(serialize_state *state)
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108 {
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109 memset(state->buf + state->size, '\t', state->indent);
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110 state->size += state->indent;
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111 }
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112
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113 static void serialize_config_int(tern_node *config, serialize_state *state);
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114
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115 static void serialize_iter(char *key, tern_val val, uint8_t valtype, void *data)
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116 {
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117 serialize_state *state = data;
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118 uint32_t keylen = strlen(key);
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119 uint32_t vallen = 0;
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120 if (valtype == TVAL_PTR) {
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121 vallen = strlen(val.ptrval);
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122 }
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123 ensure_buf_capacity(state->indent + keylen + 2 + vallen, state);
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124 state->buf[state->size++] = '\n';
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125 indent(state);
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126 memcpy(state->buf + state->size, key, keylen);
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127 state->size += keylen;
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128 state->buf[state->size++] = ' ';
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129 if (valtype == TVAL_PTR) {
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130 memcpy(state->buf + state->size, val.ptrval, vallen);
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131 state->size += vallen;
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132 } else {
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133 serialize_config_int(val.ptrval, state);
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134 }
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135 }
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136
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137 static void serialize_config_int(tern_node *config, serialize_state *state)
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138 {
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139 ensure_buf_capacity(1, state);
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140 state->buf[state->size++] = '{';
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141 state->indent++;
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Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
142
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
143 tern_foreach(config, serialize_iter, state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
144
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
145 --state->indent;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
146 ensure_buf_capacity(2 + state->indent, state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
147 state->buf[state->size++] = '\n';
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
148 indent(state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
149 state->buf[state->size++] = '}';
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
150 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
151
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
152 char *serialize_config(tern_node *config, uint32_t *size_out)
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
153 {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
154 serialize_state state = {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
155 .size = 0,
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
156 .capacity = 1024,
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
157 .indent = 0
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
158 };
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
159 state.buf = malloc(state.capacity);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
160 tern_foreach(config, serialize_iter, &state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
161 //serialize_config_int(config, &state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
162 *size_out = state.size;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
163 return state.buf;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
164 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
165
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
166 tern_node *parse_config_file(char *config_path)
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
167 {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
168 tern_node * ret = NULL;
816
7ed55a361e79 Use binary mode for reading shaders and config files so we actually get the number of bytes we expect
Michael Pavone <pavone@retrodev.com>
parents: 799
diff changeset
169 FILE * config_file = fopen(config_path, "rb");
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
170 if (!config_file) {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
171 goto open_fail;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
172 }
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
173 long config_size = file_size(config_file);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
174 if (!config_size) {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 goto config_empty;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
176 }
1783
eda8df5bc74c Minor cleanup
Michael Pavone <pavone@retrodev.com>
parents: 1693
diff changeset
177 char *config_data = calloc(config_size + 1, 1);
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
178 if (fread(config_data, 1, config_size, config_file) != config_size) {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
179 goto config_read_fail;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
180 }
796
41f73c76b978 Fix some memory issues
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 795
diff changeset
181
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
182 ret = parse_config(config_data);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
183 config_read_fail:
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
184 free(config_data);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
185 config_empty:
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
186 fclose(config_file);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
187 open_fail:
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
188 return ret;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
189 }
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190
1489
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
191 uint8_t serialize_config_file(tern_node *config, char *path)
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
192 {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
193 FILE *f = fopen(path, "w");
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
194 if (!f) {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
195 return 0;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
196 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
197 uint32_t buf_size;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
198 char *buffer = serialize_config(config, &buf_size);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
199 uint8_t ret = buf_size == fwrite(buffer, 1, buf_size, f);
1593
24508cb54f87 Fix a number of other memory errors (mostly leaks again) identified by valgrind
Michael Pavone <pavone@retrodev.com>
parents: 1555
diff changeset
200 free(buffer);
1489
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
201 fclose(f);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
202 return ret;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
203 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
204
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
205 tern_node *parse_bundled_config(char *config_name)
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
206 {
1693
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
207 tern_node *ret = NULL;
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
208 #ifdef CONFIG_PATH
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
209 if (!strcmp("default.cfg", config_name) || !strcmp("blastem.cfg", config_name)) {
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
210 char *confpath = path_append(CONFIG_PATH, config_name);
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
211 ret = parse_config_file(confpath);
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
212 free(confpath);
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
213 } else {
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
214 #endif
1140
4490c9c12272 Detect system type from filename if header based methods fail. Allow overriding system type from command line.
Michael Pavone <pavone@retrodev.com>
parents: 876
diff changeset
215 uint32_t confsize;
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
216 char *confdata = read_bundled_file(config_name, &confsize);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
217 if (confdata) {
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
218 confdata[confsize] = 0;
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
219 ret = parse_config(confdata);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
220 free(confdata);
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
221 }
1693
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
222 #ifdef CONFIG_PATH
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
223 }
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
224 #endif
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
225 return ret;
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
226 }
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
227
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
228 tern_node *load_overrideable_config(char *name, char *bundled_name, uint8_t *used_config_dir)
1599
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
229 {
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
230 char const *confdir = get_config_dir();
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
231 char *confpath = NULL;
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
232 tern_node *ret;
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
233 if (confdir) {
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
234 confpath = path_append(confdir, name);
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
235 ret = parse_config_file(confpath);
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
236 }
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
237 free(confpath);
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
238 if (used_config_dir) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
239 *used_config_dir = ret != NULL;
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
240 }
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
241
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
242 if (!ret) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
243 ret = parse_bundled_config(name);
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
244 if (!ret) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
245 ret = parse_bundled_config(bundled_name);
1599
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
246 }
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
247 }
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
248
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
249 return ret;
1599
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
250 }
1fc61c844ec5 Allow selecting controller type when controllers have an SDL 2 mapping, but heuristics fail to idenify details
Michael Pavone <pavone@retrodev.com>
parents: 1593
diff changeset
251
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
252 static uint8_t app_config_in_config_dir;
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
253 tern_node *load_config()
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
254 {
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
255 tern_node *ret = load_overrideable_config("blastem.cfg", "default.cfg", &app_config_in_config_dir);
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
256
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
257 if (!ret) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
258 if (get_config_dir()) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
259 fatal_error("Failed to find a config file at %s or in the blastem executable directory\n", get_config_dir());
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
260 } else {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
261 fatal_error("Failed to find a config file in the BlastEm executable directory and the config directory path could not be determined\n");
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
262 }
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
263 }
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
264 return ret;
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
265 }
1485
369da70ee2c2 Filter file list in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1140
diff changeset
266
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
267 void persist_config_at(tern_node *app_config, tern_node *to_save, char *fname)
1489
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
268 {
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
269 char*use_exe_dir = tern_find_path_default(app_config, "ui\0config_in_exe_dir\0", (tern_val){.ptrval = "off"}, TVAL_PTR).ptrval;
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
270 char *confpath;
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
271 if (!strcmp(use_exe_dir, "on")) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
272 confpath = path_append(get_exe_dir(), fname);
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
273 if (app_config == to_save && app_config_in_config_dir) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
274 //user switched to "portable" configs this session and there is an
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
275 //existing config file in the user-specific config directory
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
276 //delete it so we don't end up loading it next time
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
277 char *oldpath = path_append(get_config_dir(), fname);
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
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278 delete_file(oldpath);
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279 free(oldpath);
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280 }
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281 } else {
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282 char const *confdir = get_config_dir();
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283 if (!confdir) {
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284 fatal_error("Failed to locate config file directory\n");
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285 }
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286 ensure_dir_exists(confdir);
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287 confpath = path_append(confdir, fname);
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288 }
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289 if (!serialize_config_file(to_save, confpath)) {
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290 fatal_error("Failed to write config to %s\n", confpath);
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291 }
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292 free(confpath);
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293 }
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294
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295 void persist_config(tern_node *config)
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296 {
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297 persist_config_at(config, config, "blastem.cfg");
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298 }
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299
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300 char **get_extension_list(tern_node *config, uint32_t *num_exts_out)
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301 {
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302 char *ext_filter = strdup(tern_find_path_default(config, "ui\0extensions\0", (tern_val){.ptrval = "bin gen md smd sms gg"}, TVAL_PTR).ptrval);
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303 uint32_t num_exts = 0, ext_storage = 5;
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304 char **ext_list = malloc(sizeof(char *) * ext_storage);
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305 char *cur_filter = ext_filter;
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306 while (*cur_filter)
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307 {
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308 if (num_exts == ext_storage) {
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309 ext_storage *= 2;
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310 ext_list = realloc(ext_list, sizeof(char *) * ext_storage);
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311 }
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312 ext_list[num_exts++] = cur_filter;
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313 cur_filter = split_keyval(cur_filter);
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314 }
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315 *num_exts_out = num_exts;
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316 return ext_list;
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317 }
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318
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319 #define DEFAULT_LOWPASS_CUTOFF 3390
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320 uint32_t get_lowpass_cutoff(tern_node *config)
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321 {
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322 char * lowpass_cutoff_str = tern_find_path(config, "audio\0lowpass_cutoff\0", TVAL_PTR).ptrval;
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323 return lowpass_cutoff_str ? atoi(lowpass_cutoff_str) : DEFAULT_LOWPASS_CUTOFF;
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324 }