1 | /********************************************************************\ |
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2 | * BitlBee -- An IRC to other IM-networks gateway * |
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3 | * * |
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4 | * Copyright 2002-2008 Wilmer van der Gaast and others * |
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5 | \********************************************************************/ |
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6 | |
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7 | /* INI file reading code */ |
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8 | |
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9 | /* |
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10 | This program is free software; you can redistribute it and/or modify |
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11 | it under the terms of the GNU General Public License as published by |
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12 | the Free Software Foundation; either version 2 of the License, or |
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13 | (at your option) any later version. |
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14 | |
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15 | This program is distributed in the hope that it will be useful, |
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | GNU General Public License for more details. |
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19 | |
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20 | You should have received a copy of the GNU General Public License with |
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21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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22 | if not, write to the Free Software Foundation, Inc., 51 Franklin St., |
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23 | Fifth Floor, Boston, MA 02110-1301 USA |
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24 | */ |
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25 | #define BITLBEE_CORE |
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26 | #include "bitlbee.h" |
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27 | |
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28 | ini_t *ini_open(char *file) |
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29 | { |
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30 | int fd = -1; |
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31 | ini_t *ini = NULL; |
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32 | struct stat fi; |
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33 | |
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34 | if (file && (fd = open(file, O_RDONLY)) != -1 && |
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35 | fstat(fd, &fi) == 0 && |
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36 | fi.st_size <= 16384 && |
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37 | (ini = g_malloc(sizeof(ini_t) + fi.st_size + 1)) && |
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38 | read(fd, ini->file, fi.st_size) == fi.st_size) { |
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39 | memset(ini, 0, sizeof(ini_t)); |
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40 | ini->size = fi.st_size; |
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41 | ini->file[ini->size] = 0; |
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42 | ini->cur = ini->file; |
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43 | ini->c_section = ""; |
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44 | |
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45 | close(fd); |
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46 | |
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47 | return ini; |
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48 | } |
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49 | |
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50 | if (fd >= 0) { |
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51 | close(fd); |
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52 | } |
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53 | |
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54 | ini_close(ini); |
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55 | |
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56 | return NULL; |
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57 | } |
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58 | |
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59 | /* Strips leading and trailing whitespace and returns a pointer to the first |
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60 | non-ws character of the given string. */ |
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61 | static char *ini_strip_whitespace(char *in) |
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62 | { |
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63 | char *e; |
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64 | |
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65 | while (g_ascii_isspace(*in)) { |
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66 | in++; |
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67 | } |
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68 | |
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69 | e = in + strlen(in) - 1; |
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70 | while (e > in && g_ascii_isspace(*e)) { |
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71 | e--; |
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72 | } |
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73 | e[1] = 0; |
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74 | |
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75 | return in; |
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76 | } |
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77 | |
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78 | int ini_read(ini_t *file) |
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79 | { |
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80 | char *s; |
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81 | |
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82 | while (file->cur && file->cur < file->file + file->size) { |
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83 | char *e, *next; |
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84 | |
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85 | file->line++; |
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86 | |
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87 | /* Find the end of line */ |
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88 | if ((e = strchr(file->cur, '\n')) != NULL) { |
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89 | *e = 0; |
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90 | next = e + 1; |
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91 | } else { |
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92 | /* No more lines. */ |
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93 | e = file->cur + strlen(file->cur); |
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94 | next = NULL; |
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95 | } |
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96 | |
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97 | /* Comment? */ |
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98 | if ((s = strchr(file->cur, '#')) != NULL) { |
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99 | *s = 0; |
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100 | } |
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101 | |
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102 | file->cur = ini_strip_whitespace(file->cur); |
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103 | |
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104 | if (*file->cur == '[') { |
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105 | file->cur++; |
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106 | if ((s = strchr(file->cur, ']')) != NULL) { |
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107 | *s = 0; |
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108 | file->c_section = file->cur; |
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109 | } |
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110 | } else if ((s = strchr(file->cur, '=')) != NULL) { |
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111 | *s = 0; |
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112 | file->key = ini_strip_whitespace(file->cur); |
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113 | file->value = ini_strip_whitespace(s + 1); |
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114 | |
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115 | if ((s = strchr(file->key, '.')) != NULL) { |
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116 | *s = 0; |
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117 | file->section = file->key; |
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118 | file->key = s + 1; |
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119 | } else { |
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120 | file->section = file->c_section; |
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121 | } |
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122 | |
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123 | file->cur = next; |
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124 | return 1; |
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125 | } |
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126 | /* else: noise/comment/etc, let's just ignore it. */ |
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127 | |
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128 | file->cur = next; |
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129 | } |
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130 | |
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131 | return 0; |
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132 | } |
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133 | |
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134 | void ini_close(ini_t *file) |
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135 | { |
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136 | g_free(file); |
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137 | } |
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