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1 #include <stdio.h> |
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2 #include <stdlib.h> |
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3 #include <stdbool.h> |
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4 #include <string.h> |
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5 #include <err.h> |
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6 |
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7 #include "ini.h" |
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8 |
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9 #define LENGTH(x) (sizeof (x)/ sizeof (x[0])) |
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10 |
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11 /* |
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12 * Use this test file with the ini_test.conf like this : |
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13 * |
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14 * # |
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15 * # config file ini_test.conf |
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16 * # |
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17 * [general] |
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18 * nickname = "markand" |
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19 * email = "markand@malikania.fr" |
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20 * |
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21 * [ui] |
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22 * verbose = true |
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23 * editor = vim |
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24 * |
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25 * # multiple definition |
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26 * [host] |
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27 * alias = "freenode" |
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28 * host = "irc.freenode.net" |
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29 * port = 6667 |
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30 * |
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31 * [host] |
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32 * alias = "malikania" |
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33 * host = "irc.malikania.fr" |
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34 * port = 6667 |
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35 */ |
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36 |
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37 static void |
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38 list_servers(const INI_Config *config) |
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39 { |
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40 /* Server parameters */ |
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41 char *alias = NULL, *host = NULL; |
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42 int port = 0; |
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43 |
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44 /* Extract server information */ |
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45 INI_Handler settings[] = { |
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46 /* option, destination, conversion function */ |
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47 { "alias", &alias, &ini_convert_string }, |
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48 { "host", &host, &ini_convert_string }, |
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49 { "port", &port, &ini_convert_int } |
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50 }; |
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51 |
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52 INI_Section *sc; |
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53 |
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54 /* |
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55 * All sections are added as linked list, so you can just |
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56 * seek all and keep only the ones you want. |
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57 */ |
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58 for (sc = config->sections; sc != NULL; sc = sc->next) { |
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59 /* Keep only [host] */ |
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60 if (strcmp(sc->key, "host") != 0) |
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61 continue; |
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62 |
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63 ini_dispatch(sc, settings, LENGTH(settings)); |
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64 printf("-- new server\n"); |
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65 printf("-> alias = %s\n", (alias != NULL) ? alias : "<null>"); |
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66 printf("-> host = %s\n", (host != NULL) ? host : "<null>"); |
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67 printf("-> port = %d\n", port); |
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68 |
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69 free(alias); alias = NULL; |
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70 free(host); host = NULL; |
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71 } |
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72 } |
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73 |
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74 static void |
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75 list_options(const INI_Config *config) |
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76 { |
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77 char *nickname = NULL, *email = NULL, *editor = NULL; |
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78 bool verbose = 0; |
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79 |
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80 /* Extract [general] to their values */ |
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81 INI_Handler general[] = { |
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82 /* option, destination, conversion function */ |
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83 { "nickname", &nickname, &ini_convert_string }, |
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84 { "email", &email, &ini_convert_string } |
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85 }; |
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86 |
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87 /* Extract [ui] to their values */ |
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88 INI_Handler ui[] = { |
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89 /* option, destination, conversion function */ |
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90 { "verbose", &verbose, &ini_convert_bool }, |
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91 { "editor", &editor, &ini_convert_string } |
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92 }; |
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93 |
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94 INI_Section *sc; |
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95 |
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96 /* Always check if the section is present before dispatching */ |
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97 if ((sc = ini_select_section(config, "general")) != NULL) |
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98 ini_dispatch(sc, general, LENGTH(general)); |
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99 if ((sc = ini_select_section(config, "ui")) != NULL) |
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100 ini_dispatch(sc, ui, LENGTH(ui)); |
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101 |
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102 printf("-- general\n"); |
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103 printf("-> nickname = %s\n", (nickname != NULL) ? nickname : "<null>"); |
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104 printf("-> email = %s\n", (email != NULL) ? email : "<null>"); |
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105 printf("-- ui\n"); |
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106 printf("-> verbose = %s\n", (verbose) ? "true" : "false"); |
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107 printf("-> editor = %s\n", (editor != NULL) ? editor : "<null>"); |
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108 |
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109 free(nickname); free(email); free(editor); |
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110 } |
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111 |
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112 static void |
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113 list_raw(const INI_Config *config) |
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114 { |
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115 INI_Section *sc; |
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116 INI_Option *opt; |
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117 |
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118 printf("-- dump of config\n"); |
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119 for (sc = config->sections; sc != NULL; sc = sc->next) |
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120 for (opt = sc->options; opt != NULL; opt = opt->next) |
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121 printf("%s.%s = %s\n", sc->key, opt->key, |
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122 (opt->value == NULL) ? "<null>" : opt->value); |
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123 } |
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124 |
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125 int |
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126 main(void) |
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127 { |
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128 INI_Config *config; |
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129 |
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130 /* |
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131 * 1. Try to load the file, it may fails (not found, permissions, |
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132 * memory, ...) so check everytime. |
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133 * |
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134 * INI_VERBOSE flag is great to tell the user about typo in file |
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135 */ |
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136 if ((config = ini_load("ini_test.conf", INI_VERBOSE)) == NULL) |
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137 errx(1, "%s", ini_get_error()); |
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138 |
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139 /* 2. List all servers found as [host] */ |
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140 list_servers(config); |
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141 |
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142 /* 3. List options from [general] and [ui] */ |
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143 list_options(config); |
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144 |
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145 /* 4. List all options from all sections */ |
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146 list_raw(config); |
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147 |
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148 /* Finally free everything */ |
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149 ini_free(config, 1, 1); |
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150 |
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151 return 0; |
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152 } |
