Mercurial > ~mikael > mcabber > hg
annotate mcabber/src/settings.c @ 895:b461d7ee6d96
Minor changes
Cosmetic change + fix for a small memory leak when the configuration file
doesn't exist.
| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Fri, 02 Jun 2006 20:39:01 +0200 |
| parents | a0ddc43b421e |
| children | 303408ef5e5d |
| rev | line source |
|---|---|
| 279 | 1 /* |
| 2 * settings.c -- Configuration stuff | |
| 393 | 3 * |
| 699 | 4 * Copyright (C) 2005, 2006 Mikael Berthe <bmikael@lists.lilotux.net> |
| 279 | 5 * |
| 6 * This program is free software; you can redistribute it and/or modify | |
| 7 * it under the terms of the GNU General Public License as published by | |
| 8 * the Free Software Foundation; either version 2 of the License, or (at | |
| 9 * your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
| 17 * along with this program; if not, write to the Free Software | |
| 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
| 19 * USA | |
| 20 */ | |
| 21 | |
| 22 #include <strings.h> | |
| 23 #include <stdlib.h> | |
|
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24 #include <ctype.h> |
| 279 | 25 |
| 26 #include "settings.h" | |
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27 #include "commands.h" |
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28 #include "utils.h" |
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29 #include "logprint.h" |
| 279 | 30 |
| 31 static GSList *option; | |
| 32 static GSList *alias; | |
| 33 static GSList *binding; | |
| 34 | |
| 35 | |
| 36 typedef struct { | |
| 37 gchar *name; | |
| 38 gchar *value; | |
| 39 } T_setting; | |
| 40 | |
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41 static inline GSList **get_list_ptr(guint type) |
| 279 | 42 { |
| 43 if (type == SETTINGS_TYPE_OPTION) return &option; | |
| 44 else if (type == SETTINGS_TYPE_ALIAS) return &alias; | |
| 45 else if (type == SETTINGS_TYPE_BINDING) return &binding; | |
| 46 return NULL; | |
| 47 } | |
| 48 | |
| 49 // Return a pointer to the node with the requested key, or NULL if none found | |
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50 static GSList *settings_find(GSList *list, const gchar *key) |
| 279 | 51 { |
| 52 GSList *ptr; | |
| 393 | 53 |
| 279 | 54 if (!list) return NULL; |
| 55 | |
| 56 for (ptr = list ; ptr; ptr = g_slist_next(ptr)) | |
| 57 if (!strcasecmp(key, ((T_setting*)ptr->data)->name)) | |
| 58 break; | |
| 59 | |
| 60 return ptr; | |
| 61 } | |
| 62 | |
| 63 /* -- */ | |
| 64 | |
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65 // cfg_read_file(filename) |
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66 // Read and parse config file "filename". If filename is NULL, |
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67 // try to open the configuration file at the default locations. |
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68 // |
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69 int cfg_read_file(char *filename) |
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70 { |
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71 FILE *fp; |
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72 char *buf; |
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73 char *line, *eol; |
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74 unsigned int ln = 0; |
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75 int err = 0; |
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76 |
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77 if (!filename) { |
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78 // Use default config file locations |
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79 char *home = getenv("HOME"); |
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80 if (!home) { |
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81 scr_LogPrint(LPRINT_LOG, "Can't find home dir!"); |
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82 fprintf(stderr, "Can't find home dir!\n"); |
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83 return -1; |
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84 } |
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85 filename = g_new(char, strlen(home)+24); |
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86 sprintf(filename, "%s/.mcabber/mcabberrc", home); |
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87 if ((fp = fopen(filename, "r")) == NULL) { |
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88 // 2nd try... |
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89 sprintf(filename, "%s/.mcabberrc", home); |
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90 if ((fp = fopen(filename, "r")) == NULL) { |
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91 fprintf(stderr, "Cannot open config file!\n"); |
| 895 | 92 g_free(filename); |
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93 return -1; |
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94 } |
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95 } |
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96 // Check configuration file permissions |
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97 // As it could contain sensitive data, we make it user-readable only |
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98 checkset_perm(filename, TRUE); |
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99 // Check mcabber dir. There we just warn, we don't change the modes |
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100 sprintf(filename, "%s/.mcabber/", home); |
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101 checkset_perm(filename, FALSE); |
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102 g_free(filename); |
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103 } else { |
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104 if ((fp = fopen(filename, "r")) == NULL) { |
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105 perror("Cannot open configuration file"); |
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106 return -2; |
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107 } |
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108 // Check configuration file permissions (see above) |
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109 checkset_perm(filename, TRUE); |
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110 } |
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111 |
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112 buf = g_new(char, 512); |
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113 |
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114 while (fgets(buf+1, 511, fp) != NULL) { |
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115 // The first char is reserved to add a '/', to make a command line |
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116 line = buf+1; |
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117 ln++; |
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118 |
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119 // Strip leading spaces |
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120 while (isspace(*line)) |
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121 line++; |
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122 |
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123 // Make eol point to the last char of the line |
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124 for (eol = line ; *eol ; eol++) |
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125 ; |
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126 if (eol > line) |
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127 eol--; |
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128 |
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129 // Strip trailing spaces |
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130 while (eol > line && isspace(*eol)) |
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131 *eol-- = 0; |
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132 |
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133 // Ignore empty lines and comments |
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134 if ((*line == '\n') || (*line == '\0') || (*line == '#')) |
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135 continue; |
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136 |
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137 if ((strchr(line, '=') != NULL)) { |
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138 // Only accept the set, alias and bind commands |
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139 if (strncmp(line, "set ", 4) && |
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140 strncmp(line, "bind ", 5) && |
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141 strncmp(line, "alias ", 6)) { |
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142 scr_LogPrint(LPRINT_LOGNORM, |
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143 "Error in configuration file (l. %d): bad command", ln); |
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144 err++; |
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145 continue; |
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146 } |
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147 *(--line) = '/'; // Set the leading '/' to build a command line |
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148 process_command(line); // Process the command |
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149 } else { |
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150 scr_LogPrint(LPRINT_LOGNORM, |
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151 "Error in configuration file (l. %d): no assignment", ln); |
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152 err++; |
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153 } |
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154 } |
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155 g_free(buf); |
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156 fclose(fp); |
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157 return err; |
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158 } |
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159 |
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160 // parse_assigment(assignment, pkey, pval) |
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161 // Read assignment and split it to key, value |
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162 // |
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163 // If this is an assignment, the function will return TRUE and |
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164 // set *pkey and *pval (*pval is set to NULL if value field is empty). |
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165 // |
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166 // If this isn't a assignment (no = char), the function will set *pval |
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167 // to NULL and return FALSE. |
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168 // |
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169 // The caller should g_free() *pkey and *pval (if not NULL) after use. |
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170 guint parse_assigment(gchar *assignment, const gchar **pkey, const gchar **pval) |
|
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171 { |
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172 char *key, *val, *t, *p; |
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173 |
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174 *pkey = *pval = NULL; |
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175 |
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176 key = assignment; |
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177 // Remove leading spaces in option name |
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178 while ((!isalnum(*key)) && (*key != '=') && *key) { |
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179 //if (!isblank(*key)) |
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180 // scr_LogPrint("Error in assignment parsing!"); |
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181 key++; |
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182 } |
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183 if (!*key) return FALSE; // Empty assignment |
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184 |
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185 if (*key == '=') { |
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186 //scr_LogPrint("Cannot parse assignment!"); |
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187 return FALSE; |
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188 } |
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189 // Ok, key points to the option name |
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190 |
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191 for (val = key+1 ; *val && (*val != '=') ; val++) |
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192 if (!isalnum(*val) && !isblank(*val) && (*val != '_') && (*val != '-')) { |
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193 // Key should only have alnum chars... |
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194 //scr_LogPrint("Error in assignment parsing!"); |
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195 return FALSE; |
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196 } |
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197 // Remove trailing spaces in option name: |
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198 for (t = val-1 ; t > key && isblank(*t) ; t--) |
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199 ; |
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200 // Check for embedded whitespace characters |
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201 for (p = key; p < t; p++) { |
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202 if (isblank(*p)) { |
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203 //scr_LogPrint("Error in assignment parsing!" |
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204 // " (Name should not contain space chars)"); |
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205 return FALSE; |
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206 } |
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207 } |
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208 |
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209 *pkey = g_strndup(key, t+1-key); |
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210 |
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211 if (!*val) return FALSE; // Not an assignment |
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212 |
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213 // Remove leading and trailing spaces in option value: |
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214 for (val++; *val && isblank(*val) ; val++) ; |
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215 for (t = val ; *t ; t++) ; |
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216 for (t-- ; t >= val && isblank(*t) ; t--) ; |
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217 |
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218 if (t < val) return TRUE; // no value (variable reset for example) |
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219 |
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220 // If the value begins and ends with quotes ("), these quotes are |
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221 // removed and whitespace is not stripped |
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222 if ((t>val) && (*val == '"' && *t == '"')) { |
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223 val++; |
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224 t--; |
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225 } |
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226 *pval = g_strndup(val, t+1-val); |
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227 return TRUE; |
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228 } |
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229 |
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230 void settings_set(guint type, const gchar *key, const gchar *value) |
| 279 | 231 { |
| 232 GSList **plist; | |
| 233 GSList *sptr; | |
| 234 T_setting *setting; | |
| 235 | |
| 236 plist = get_list_ptr(type); | |
| 237 if (!plist) return; | |
| 238 | |
| 239 sptr = settings_find(*plist, key); | |
| 240 if (sptr) { | |
| 241 // The setting has been found. We will update it or delete it. | |
| 242 setting = (T_setting*)sptr->data; | |
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243 g_free(setting->value); |
| 279 | 244 if (!value) { |
| 245 // Let's remove the setting | |
| 246 g_free(setting->name); | |
| 247 *plist = g_slist_delete_link(*plist, sptr); | |
| 248 } else { | |
| 249 // Let's update the setting | |
| 250 setting->value = g_strdup(value); | |
| 251 } | |
| 252 } else if (value) { | |
| 253 setting = g_new(T_setting, 1); | |
| 254 setting->name = g_strdup(key); | |
| 255 setting->value = g_strdup(value); | |
| 256 *plist = g_slist_append(*plist, setting); | |
| 257 } | |
| 258 } | |
| 259 | |
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260 void settings_del(guint type, const gchar *key) |
| 279 | 261 { |
| 262 settings_set(type, key, NULL); | |
| 263 } | |
| 264 | |
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265 const gchar *settings_get(guint type, const gchar *key) |
| 279 | 266 { |
| 267 GSList **plist; | |
| 268 GSList *sptr; | |
| 269 T_setting *setting; | |
| 270 | |
| 271 plist = get_list_ptr(type); | |
| 272 sptr = settings_find(*plist, key); | |
| 273 if (!sptr) return NULL; | |
| 274 | |
| 275 setting = (T_setting*)sptr->data; | |
| 276 return setting->value; | |
| 277 } | |
| 278 | |
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279 int settings_get_int(guint type, const gchar *key) |
| 279 | 280 { |
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281 const gchar *setval = settings_get(type, key); |
| 279 | 282 |
| 283 if (setval) return atoi(setval); | |
| 284 return 0; | |
| 285 } | |
| 286 | |
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287 // settings_get_status_msg(status) |
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288 // Return a string with the current status message: |
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289 // - if there is a user-defined message ("message" option), |
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290 // return this message |
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291 // - if there is a user-defined message for the given status (and no |
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292 // generic user message), it is returned |
| 521 | 293 // - if no message is found, return NULL |
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294 const gchar *settings_get_status_msg(enum imstatus status) |
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295 { |
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296 const gchar *rstatus = settings_opt_get("message"); |
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297 |
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298 if (rstatus) return rstatus; |
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299 |
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300 switch(status) { |
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301 case available: |
| 521 | 302 rstatus = settings_opt_get("message_avail"); |
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303 break; |
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304 |
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305 case freeforchat: |
| 521 | 306 rstatus = settings_opt_get("message_free"); |
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307 break; |
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308 |
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309 case dontdisturb: |
| 521 | 310 rstatus = settings_opt_get("message_dnd"); |
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311 break; |
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312 |
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313 case notavail: |
| 521 | 314 rstatus = settings_opt_get("message_notavail"); |
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315 break; |
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316 |
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317 case away: |
| 521 | 318 rstatus = settings_opt_get("message_away"); |
|
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319 break; |
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320 |
| 521 | 321 default: // offline, invisible |
| 322 break; | |
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323 } |
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324 return rstatus; |
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325 } |
| 576 | 326 |
|
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327 // settings_foreach(type, pfunction, param) |
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328 // Call pfunction(param, key, value) for each setting with requested type. |
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329 void settings_foreach(guint type, void (*pfunc)(void *param, char *k, char *v), |
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330 void *param) |
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331 { |
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332 GSList **plist; |
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Commands /alias & /bind list the key bindings and aliases
Mikael Berthe <mikael@lilotux.net>
parents:
780
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changeset
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333 GSList *ptr; |
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Commands /alias & /bind list the key bindings and aliases
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parents:
780
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334 T_setting *setting; |
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parents:
780
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335 |
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Commands /alias & /bind list the key bindings and aliases
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parents:
780
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336 plist = get_list_ptr(type); |
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parents:
780
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337 |
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Commands /alias & /bind list the key bindings and aliases
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parents:
780
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338 if (!*plist) return; |
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parents:
780
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339 |
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Commands /alias & /bind list the key bindings and aliases
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parents:
780
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340 for (ptr = *plist ; ptr; ptr = g_slist_next(ptr)) { |
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Commands /alias & /bind list the key bindings and aliases
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parents:
780
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341 setting = ptr->data; |
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parents:
780
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342 pfunc(param, setting->name, setting->value); |
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Commands /alias & /bind list the key bindings and aliases
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parents:
780
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343 } |
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Commands /alias & /bind list the key bindings and aliases
Mikael Berthe <mikael@lilotux.net>
parents:
780
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344 } |
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Commands /alias & /bind list the key bindings and aliases
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parents:
780
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345 |
| 580 | 346 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |