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annotate config.c @ 2009:4ace0fef6f8f

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Add support for the parts of the KMod debug ports used by SGDK
author Mike Pavone <pavone@retrodev.com>
date Mon, 19 Oct 2020 15:46:16 -0700
parents 5433252329fb
children 193b804c9845
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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 "config.h"
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <string.h>
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13
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14 #ifdef __MINGW64_VERSION_MAJOR
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15 #define MINGW_W64_VERSION (__MINGW64_VERSION_MAJOR * 1000 + __MINGW64_VERSION_MINOR)
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16 #else
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17 #define MINGW_W64_VERSION 0
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18 #endif
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19
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20 #if defined(_WIN32) && (MINGW_W64_VERSION < 3003)
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21 char * strtok_r(char * input, char * sep, char ** state)
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22 {
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23 if (input) {
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24 *state = input;
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25 }
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26 char * ret = *state;
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27 while (**state && **state != *sep)
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28 {
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29 ++*state;
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30 }
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31 if (**state)
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32 {
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33 **state = 0;
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34 ++*state;
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35 return ret;
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36 }
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37 return NULL;
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38 }
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39 #endif
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40
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41 static tern_node * parse_config_int(char **state, int started, int *line)
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42 {
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43 char *config_data, *curline;
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44 tern_node * head = NULL;
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45 config_data = started ? NULL : *state;
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46 while ((curline = strtok_r(config_data, "\n", state)))
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47 {
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48
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49 config_data = NULL;
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50 curline = strip_ws(curline);
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51 int len = strlen(curline);
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52 if (!len) {
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53 (*line)++;
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54 continue;
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55 }
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56 if (curline[0] == '#') {
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57 (*line)++;
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58 continue;
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59 }
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60 if (curline[0] == '}') {
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61 if (started) {
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62 return head;
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63 }
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64 fatal_error("unexpected } on line %d\n", *line);
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65 }
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66
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67 char * end = curline + len - 1;
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68 if (*end == '{') {
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69 *end = 0;
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70 curline = strip_ws(curline);
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71 (*line)++;
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72 head = tern_insert_node(head, curline, parse_config_int(state, 1, line));
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73 } else {
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74 char * val = strip_ws(split_keyval(curline));
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75 char * key = curline;
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76 if (*val) {
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77 head = tern_insert_ptr(head, key, strdup(val));
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78 } else {
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79 fprintf(stderr, "Key %s is missing a value on line %d\n", key, *line);
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80 }
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81 (*line)++;
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82 }
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83 }
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84 return head;
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85 }
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86
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87 tern_node *parse_config(char * config_data)
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88 {
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89 int line = 1;
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90 return parse_config_int(&config_data, 0, &line);
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91 }
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92
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93 typedef struct {
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94 char *buf;
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95 uint32_t capacity;
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96 uint32_t size;
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97 uint32_t indent;
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98 } serialize_state;
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99
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100 static void ensure_buf_capacity(uint32_t ensure, serialize_state *state)
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101 {
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102 if (ensure + state->size > state->capacity) {
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103 state->capacity = state->capacity * 2;
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104 state->buf = realloc(state->buf, state->capacity);
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105 }
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106 }
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107
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108 static void indent(serialize_state *state)
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109 {
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110 memset(state->buf + state->size, '\t', state->indent);
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111 state->size += state->indent;
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112 }
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113
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114 static void serialize_config_int(tern_node *config, serialize_state *state);
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115
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116 static void serialize_iter(char *key, tern_val val, uint8_t valtype, void *data)
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117 {
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118 serialize_state *state = data;
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119 uint32_t keylen = strlen(key);
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120 uint32_t vallen = 0;
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121 if (valtype == TVAL_PTR) {
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122 vallen = strlen(val.ptrval);
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123 }
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124 ensure_buf_capacity(state->indent + keylen + 2 + vallen, state);
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125 state->buf[state->size++] = '\n';
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126 indent(state);
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127 memcpy(state->buf + state->size, key, keylen);
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128 state->size += keylen;
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129 state->buf[state->size++] = ' ';
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130 if (valtype == TVAL_PTR) {
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131 memcpy(state->buf + state->size, val.ptrval, vallen);
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132 state->size += vallen;
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133 } else {
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134 serialize_config_int(val.ptrval, state);
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135 }
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136 }
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137
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138 static void serialize_config_int(tern_node *config, serialize_state *state)
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139 {
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140 ensure_buf_capacity(1, state);
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141 state->buf[state->size++] = '{';
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142 state->indent++;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
143
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
144 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
145
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
146 --state->indent;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
147 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
148 state->buf[state->size++] = '\n';
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
149 indent(state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
150 state->buf[state->size++] = '}';
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
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
153 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
154 {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
155 serialize_state state = {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
156 .size = 0,
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
157 .capacity = 1024,
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
158 .indent = 0
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
159 };
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
160 state.buf = malloc(state.capacity);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
161 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
162 //serialize_config_int(config, &state);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
163 *size_out = state.size;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
164 return state.buf;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
165 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
166
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
167 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
168 {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
169 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
170 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
171 if (!config_file) {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
172 goto open_fail;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
173 }
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
174 long config_size = file_size(config_file);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 if (!config_size) {
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
176 goto config_empty;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
177 }
1783
eda8df5bc74c Minor cleanup
Michael Pavone <pavone@retrodev.com>
parents: 1693
diff changeset
178 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
179 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
180 goto config_read_fail;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
181 }
796
41f73c76b978 Fix some memory issues
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 795
diff changeset
182
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
183 ret = parse_config(config_data);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
184 config_read_fail:
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
185 free(config_data);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
186 config_empty:
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
187 fclose(config_file);
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
188 open_fail:
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
189 return ret;
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 }
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191
1489
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
192 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
193 {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
194 FILE *f = fopen(path, "w");
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
195 if (!f) {
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
196 return 0;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
197 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
198 uint32_t buf_size;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
199 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
200 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
201 free(buffer);
1489
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
202 fclose(f);
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
203 return ret;
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
204 }
637fbc3b5063 Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents: 1485
diff changeset
205
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
206 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
207 {
1693
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
208 tern_node *ret = NULL;
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
209 #ifdef CONFIG_PATH
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
210 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
211 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
212 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
213 free(confpath);
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
214 } else {
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
215 #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
216 uint32_t confsize;
875
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
217 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
218 if (confdata) {
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
219 confdata[confsize] = 0;
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
220 ret = parse_config(confdata);
54ffba3768d6 Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
221 free(confdata);
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
222 }
1693
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
223 #ifdef CONFIG_PATH
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
224 }
ba3fb7a3be6b Added some Makefile options to build a packaging friendly executable
Michael Pavone <pavone@retrodev.com>
parents: 1599
diff changeset
225 #endif
859
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
226 return ret;
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
227 }
46bb673eed4e Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
228
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
229 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
230 {
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 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
232 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
233 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
234 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
235 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
236 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
237 }
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
238 free(confpath);
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
239 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
240 *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
241 }
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
242
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
243 if (!ret) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
244 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
245 if (!ret) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
246 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
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 }
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
249
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
250 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
251 }
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
252
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
253 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
254 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
255 {
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
256 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
257
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
258 if (!ret) {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
259 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
260 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
261 } else {
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
262 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
263 }
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
264 }
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
265 return ret;
430
7f84090ab1cd Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
266 }
1485
369da70ee2c2 Filter file list in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents: 1140
diff changeset
267
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
268 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
269 {
1852
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
270 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
271 char *confpath;
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
Michael Pavone <pavone@retrodev.com>
parents: 1783
diff changeset
272 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
273 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
274 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
275 //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
276 //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
277 //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
278 char *oldpath = path_append(get_config_dir(), fname);
a4cae960fd08 Allow config file to be saved with executable for "portable" setups
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279 delete_file(oldpath);
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280 free(oldpath);
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281 }
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282 } else {
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283 char const *confdir = get_config_dir();
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284 if (!confdir) {
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285 fatal_error("Failed to locate config file directory\n");
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286 }
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287 ensure_dir_exists(confdir);
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288 confpath = path_append(confdir, fname);
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289 }
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290 if (!serialize_config_file(to_save, confpath)) {
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291 fatal_error("Failed to write config to %s\n", confpath);
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292 }
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293 free(confpath);
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294 }
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295
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296 void persist_config(tern_node *config)
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297 {
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298 persist_config_at(config, config, "blastem.cfg");
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299 }
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300
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301 char **get_extension_list(tern_node *config, uint32_t *num_exts_out)
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302 {
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303 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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304 uint32_t num_exts = 0, ext_storage = 5;
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305 char **ext_list = malloc(sizeof(char *) * ext_storage);
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306 char *cur_filter = ext_filter;
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307 while (*cur_filter)
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308 {
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309 if (num_exts == ext_storage) {
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310 ext_storage *= 2;
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311 ext_list = realloc(ext_list, sizeof(char *) * ext_storage);
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312 }
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313 ext_list[num_exts++] = cur_filter;
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314 cur_filter = split_keyval(cur_filter);
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315 }
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316 *num_exts_out = num_exts;
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317 return ext_list;
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318 }
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319
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320 #define DEFAULT_LOWPASS_CUTOFF 3390
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321 uint32_t get_lowpass_cutoff(tern_node *config)
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322 {
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323 char * lowpass_cutoff_str = tern_find_path(config, "audio\0lowpass_cutoff\0", TVAL_PTR).ptrval;
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324 return lowpass_cutoff_str ? atoi(lowpass_cutoff_str) : DEFAULT_LOWPASS_CUTOFF;
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325 }
1900
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326
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327 tern_node *get_systems_config(void)
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328 {
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329 static tern_node *systems;
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330 if (!systems) {
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331 systems = parse_bundled_config("systems.cfg");
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332 }
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333 return systems;
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334 }
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335
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336 tern_node *get_model(tern_node *config, system_type stype)
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337 {
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338 char *model = tern_find_path_default(config, "system\0model\0", (tern_val){.ptrval = "md1va3"}, TVAL_PTR).ptrval;
1900
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339 return tern_find_node(get_systems_config(), model);
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340 }