1 | #include "owl.h" |
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2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | #include <unistd.h> |
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5 | #include <ctype.h> |
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6 | #include <pwd.h> |
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7 | |
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8 | static const char fileIdent[] = "$Id$"; |
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9 | |
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10 | void sepbar(char *in) |
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11 | { |
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12 | char buff[1024]; |
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13 | WINDOW *sepwin; |
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14 | owl_messagelist *ml; |
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15 | owl_view *v; |
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16 | int x, y, i; |
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17 | char *foo, *appendtosepbar; |
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18 | |
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19 | sepwin=owl_global_get_curs_sepwin(&g); |
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20 | ml=owl_global_get_msglist(&g); |
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21 | v=owl_global_get_current_view(&g); |
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22 | |
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23 | werase(sepwin); |
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24 | wattron(sepwin, A_REVERSE); |
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25 | if (owl_global_is_fancylines(&g)) { |
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26 | whline(sepwin, ACS_HLINE, owl_global_get_cols(&g)); |
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27 | } else { |
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28 | whline(sepwin, '-', owl_global_get_cols(&g)); |
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29 | } |
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30 | |
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31 | if (owl_global_is_sepbar_disable(&g)) { |
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32 | getyx(sepwin, y, x); |
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33 | wmove(sepwin, y, owl_global_get_cols(&g)-1); |
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34 | return; |
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35 | } |
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36 | |
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37 | wmove(sepwin, 0, 2); |
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38 | |
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39 | if (owl_messagelist_get_size(ml)==0) { |
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40 | strcpy(buff, " (-/-) "); |
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41 | } else { |
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42 | snprintf(buff, 1024, " (%i/%i/%i) ", owl_global_get_curmsg(&g)+1, |
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43 | owl_view_get_size(v), |
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44 | owl_messagelist_get_size(ml)); |
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45 | } |
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46 | waddstr(sepwin, buff); |
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47 | |
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48 | foo=owl_view_get_filtname(v); |
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49 | if (strcmp(foo, owl_global_get_view_home(&g))) wattroff(sepwin, A_REVERSE); |
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50 | waddstr(sepwin, " "); |
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51 | waddstr(sepwin, owl_view_get_filtname(v)); |
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52 | waddstr(sepwin, " "); |
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53 | if (strcmp(foo, owl_global_get_view_home(&g))) wattron(sepwin, A_REVERSE); |
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54 | |
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55 | if (owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) { |
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56 | getyx(sepwin, y, x); |
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57 | wmove(sepwin, y, x+2); |
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58 | wattron(sepwin, A_BOLD); |
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59 | waddstr(sepwin, " <truncated> "); |
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60 | wattroff(sepwin, A_BOLD); |
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61 | } |
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62 | |
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63 | i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g)); |
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64 | if ((i != -1) && |
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65 | (i < owl_view_get_size(v)-1)) { |
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66 | getyx(sepwin, y, x); |
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67 | wmove(sepwin, y, x+2); |
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68 | wattron(sepwin, A_BOLD); |
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69 | waddstr(sepwin, " <more> "); |
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70 | wattroff(sepwin, A_BOLD); |
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71 | } |
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72 | |
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73 | if (owl_global_get_rightshift(&g)>0) { |
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74 | getyx(sepwin, y, x); |
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75 | wmove(sepwin, y, x+2); |
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76 | snprintf(buff, 1024, " right: %i ", owl_global_get_rightshift(&g)); |
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77 | waddstr(sepwin, buff); |
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78 | } |
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79 | |
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80 | if (owl_global_is_zaway(&g) || owl_global_is_aaway(&g)) { |
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81 | getyx(sepwin, y, x); |
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82 | wmove(sepwin, y, x+2); |
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83 | wattron(sepwin, A_BOLD); |
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84 | wattroff(sepwin, A_REVERSE); |
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85 | if (owl_global_is_zaway(&g) && owl_global_is_aaway(&g)) { |
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86 | waddstr(sepwin, " AWAY "); |
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87 | } else if (owl_global_is_zaway(&g)) { |
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88 | waddstr(sepwin, " Z-AWAY "); |
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89 | } else if (owl_global_is_aaway(&g)) { |
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90 | waddstr(sepwin, " A-AWAY "); |
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91 | } |
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92 | wattron(sepwin, A_REVERSE); |
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93 | wattroff(sepwin, A_BOLD); |
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94 | } |
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95 | |
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96 | if (owl_global_get_curmsg_vert_offset(&g)) { |
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97 | getyx(sepwin, y, x); |
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98 | wmove(sepwin, y, x+2); |
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99 | wattron(sepwin, A_BOLD); |
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100 | wattroff(sepwin, A_REVERSE); |
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101 | waddstr(sepwin, " SCROLL "); |
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102 | wattron(sepwin, A_REVERSE); |
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103 | wattroff(sepwin, A_BOLD); |
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104 | } |
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105 | |
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106 | if (in) { |
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107 | getyx(sepwin, y, x); |
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108 | wmove(sepwin, y, x+2); |
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109 | waddstr(sepwin, in); |
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110 | } |
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111 | |
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112 | appendtosepbar = owl_global_get_appendtosepbar(&g); |
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113 | if (appendtosepbar && *appendtosepbar) { |
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114 | getyx(sepwin, y, x); |
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115 | wmove(sepwin, y, x+2); |
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116 | waddstr(sepwin, " "); |
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117 | waddstr(sepwin, owl_global_get_appendtosepbar(&g)); |
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118 | waddstr(sepwin, " "); |
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119 | } |
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120 | |
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121 | getyx(sepwin, y, x); |
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122 | wmove(sepwin, y, owl_global_get_cols(&g)-1); |
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123 | |
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124 | wattroff(sepwin, A_BOLD); |
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125 | wattroff(sepwin, A_REVERSE); |
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126 | wnoutrefresh(sepwin); |
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127 | } |
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128 | |
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129 | |
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130 | void pophandler_quit(int ch) |
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131 | { |
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132 | if (ch=='q') { |
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133 | owl_popwin_close(owl_global_get_popwin(&g)); |
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134 | } |
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135 | } |
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136 | |
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137 | char **atokenize(char *buffer, char *sep, int *i) |
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138 | { |
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139 | /* each element of return must be freed by user */ |
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140 | char **args; |
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141 | char *workbuff, *foo; |
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142 | int done=0, first=1, count=0; |
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143 | |
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144 | workbuff=owl_malloc(strlen(buffer)+1); |
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145 | memcpy(workbuff, buffer, strlen(buffer)+1); |
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146 | |
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147 | args=NULL; |
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148 | while (!done) { |
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149 | if (first) { |
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150 | first=0; |
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151 | foo=(char *)strtok(workbuff, sep); |
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152 | } else { |
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153 | foo=(char *)strtok(NULL, sep); |
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154 | } |
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155 | if (foo==NULL) { |
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156 | done=1; |
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157 | } else { |
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158 | args=(char **)owl_realloc(args, sizeof(char *) * (count+1)); |
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159 | args[count]=owl_malloc(strlen(foo)+1); |
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160 | strcpy(args[count], foo); |
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161 | count++; |
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162 | } |
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163 | } |
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164 | *i=count; |
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165 | owl_free(workbuff); |
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166 | return(args); |
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167 | } |
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168 | |
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169 | char *skiptokens(char *buff, int n) { |
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170 | /* skips n tokens and returns where that would be. |
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171 | * TODO: handle quotes more sanely. */ |
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172 | |
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173 | int inquotes=0; |
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174 | while (*buff && n>0) { |
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175 | while (*buff == ' ') buff++; |
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176 | while (*buff && (inquotes || *buff != ' ')) { |
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177 | if (*buff == '"' || *buff == '\'') inquotes=!inquotes; |
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178 | buff++; |
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179 | } |
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180 | while (*buff == ' ') buff++; |
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181 | n--; |
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182 | } |
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183 | return buff; |
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184 | } |
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185 | |
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186 | /* Return a "nice" version of the path. Tilde expansion is done, and |
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187 | * duplicate slashes are removed. Caller must free the return. |
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188 | */ |
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189 | char *owl_util_makepath(char *in) |
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190 | { |
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191 | int i, j, x; |
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192 | char *out, user[MAXPATHLEN]; |
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193 | struct passwd *pw; |
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194 | |
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195 | out=owl_malloc(MAXPATHLEN+1); |
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196 | out[0]='\0'; |
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197 | j=strlen(in); |
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198 | x=0; |
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199 | for (i=0; i<j; i++) { |
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200 | if (in[i]=='~') { |
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201 | if ( (i==(j-1)) || /* last character */ |
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202 | (in[i+1]=='/') ) { /* ~/ */ |
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203 | /* use my homedir */ |
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204 | pw=getpwuid(getuid()); |
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205 | if (!pw) { |
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206 | out[x]=in[i]; |
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207 | } else { |
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208 | out[x]='\0'; |
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209 | strcat(out, pw->pw_dir); |
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210 | x+=strlen(pw->pw_dir); |
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211 | } |
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212 | } else { |
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213 | /* another user homedir */ |
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214 | int a, b; |
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215 | b=0; |
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216 | for (a=i+1; i<j; a++) { |
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217 | if (in[a]==' ' || in[a]=='/') { |
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218 | break; |
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219 | } else { |
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220 | user[b]=in[a]; |
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221 | i++; |
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222 | b++; |
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223 | } |
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224 | } |
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225 | user[b]='\0'; |
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226 | pw=getpwnam(user); |
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227 | if (!pw) { |
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228 | out[x]=in[i]; |
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229 | } else { |
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230 | out[x]='\0'; |
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231 | strcat(out, pw->pw_dir); |
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232 | x+=strlen(pw->pw_dir); |
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233 | } |
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234 | } |
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235 | } else if (in[i]=='/') { |
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236 | /* check for a double / */ |
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237 | if (i<(j-1) && (in[i+1]=='/')) { |
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238 | /* do nothing */ |
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239 | } else { |
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240 | out[x]=in[i]; |
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241 | x++; |
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242 | } |
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243 | } else { |
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244 | out[x]=in[i]; |
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245 | x++; |
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246 | } |
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247 | } |
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248 | out[x]='\0'; |
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249 | return(out); |
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250 | } |
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251 | |
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252 | void atokenize_free(char **tok, int nels) |
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253 | { |
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254 | int i; |
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255 | for (i=0; i<nels; i++) { |
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256 | owl_free(tok[i]); |
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257 | } |
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258 | owl_free(tok); |
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259 | } |
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260 | |
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261 | |
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262 | void owl_parsefree(char **argv, int argc) |
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263 | { |
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264 | int i; |
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265 | |
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266 | if (!argv) return; |
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267 | |
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268 | for (i=0; i<argc; i++) { |
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269 | if (argv[i]) owl_free(argv[i]); |
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270 | } |
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271 | owl_free(argv); |
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272 | } |
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273 | |
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274 | char **owl_parseline(char *line, int *argc) |
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275 | { |
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276 | /* break a command line up into argv, argc. The caller must free |
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277 | the returned values. If there is an error argc will be set to |
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278 | -1, argv will be NULL and the caller does not need to free |
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279 | anything */ |
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280 | |
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281 | char **argv; |
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282 | int i, len, between=1; |
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283 | char *curarg; |
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284 | char quote; |
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285 | |
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286 | argv=owl_malloc(sizeof(char *)); |
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287 | len=strlen(line); |
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288 | curarg=owl_malloc(len+10); |
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289 | strcpy(curarg, ""); |
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290 | quote='\0'; |
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291 | *argc=0; |
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292 | for (i=0; i<len+1; i++) { |
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293 | /* find the first real character */ |
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294 | if (between) { |
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295 | if (line[i]==' ' || line[i]=='\t' || line[i]=='\0') { |
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296 | continue; |
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297 | } else { |
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298 | between=0; |
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299 | i--; |
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300 | continue; |
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301 | } |
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302 | } |
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303 | |
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304 | /* deal with a quote character */ |
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305 | if (line[i]=='"' || line[i]=="'"[0]) { |
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306 | /* if this type of quote is open, close it */ |
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307 | if (quote==line[i]) { |
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308 | quote='\0'; |
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309 | continue; |
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310 | } |
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311 | |
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312 | /* if no quoting is open then open with this */ |
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313 | if (quote=='\0') { |
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314 | quote=line[i]; |
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315 | continue; |
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316 | } |
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317 | |
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318 | /* if another type of quote is open then treat this as a literal */ |
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319 | curarg[strlen(curarg)+1]='\0'; |
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320 | curarg[strlen(curarg)]=line[i]; |
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321 | continue; |
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322 | } |
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323 | |
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324 | /* if it's not a space or end of command, then use it */ |
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325 | if (line[i]!=' ' && line[i]!='\t' && line[i]!='\n' && line[i]!='\0') { |
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326 | curarg[strlen(curarg)+1]='\0'; |
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327 | curarg[strlen(curarg)]=line[i]; |
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328 | continue; |
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329 | } |
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330 | |
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331 | /* otherwise, if we're not in quotes, add the whole argument */ |
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332 | if (quote=='\0') { |
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333 | /* add the argument */ |
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334 | argv=owl_realloc(argv, sizeof(char *)*((*argc)+1)); |
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335 | argv[*argc]=owl_malloc(strlen(curarg)+2); |
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336 | strcpy(argv[*argc], curarg); |
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337 | *argc=*argc+1; |
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338 | strcpy(curarg, ""); |
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339 | between=1; |
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340 | continue; |
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341 | } |
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342 | |
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343 | /* if it is a space and we're in quotes, then use it */ |
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344 | curarg[strlen(curarg)+1]='\0'; |
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345 | curarg[strlen(curarg)]=line[i]; |
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346 | } |
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347 | |
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348 | /* check for unbalanced quotes */ |
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349 | if (quote!='\0') { |
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350 | owl_parsefree(argv, *argc); |
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351 | *argc=-1; |
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352 | return(NULL); |
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353 | } |
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354 | |
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355 | return(argv); |
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356 | } |
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357 | |
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358 | /* caller must free the return */ |
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359 | char *owl_util_minutes_to_timestr(int in) |
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360 | { |
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361 | int days, hours; |
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362 | long run; |
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363 | char *out; |
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364 | |
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365 | run=in; |
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366 | |
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367 | days=run/1440; |
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368 | run-=days*1440; |
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369 | hours=run/60; |
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370 | run-=hours*60; |
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371 | |
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372 | if (days>0) { |
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373 | out=owl_sprintf("%i d %2.2i:%2.2i", days, hours, run); |
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374 | } else { |
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375 | out=owl_sprintf(" %2.2i:%2.2i", hours, run); |
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376 | } |
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377 | return(out); |
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378 | } |
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379 | |
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380 | /* return the index of the last char before a change from the first one */ |
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381 | int owl_util_find_trans(char *in, int len) |
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382 | { |
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383 | int i; |
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384 | for (i=1; i<len; i++) { |
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385 | if (in[i] != in[0]) return(i-1); |
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386 | } |
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387 | return(i); |
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388 | } |
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389 | |
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390 | /* downcase the string 'foo' */ |
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391 | void downstr(char *foo) |
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392 | { |
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393 | int i; |
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394 | for (i=0; foo[i]!='\0'; i++) { |
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395 | foo[i]=tolower(foo[i]); |
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396 | } |
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397 | } |
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398 | |
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399 | /* Caller must free response. |
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400 | * Takes in strings which are space-separated lists of tokens |
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401 | * and returns a single string containing no token more than once. |
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402 | * If prohibit is non-null, no token may start with a character |
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403 | * in prohibit. |
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404 | */ |
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405 | char *owl_util_uniq(char *A, char *B, char *prohibit) |
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406 | { |
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407 | |
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408 | char *cat, **tok; |
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409 | int toklen, i, j, first=1; |
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410 | cat = owl_malloc(strlen(A)+strlen(B)+3); |
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411 | strcpy(cat, A); |
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412 | strcat(cat, " "); |
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413 | strcat(cat, B); |
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414 | tok = atokenize(cat, " ", &toklen); |
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415 | strcpy(cat, ""); |
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416 | for (i=0; i<toklen; i++) { |
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417 | int dup=0; |
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418 | for (j=0; j<i; j++) { |
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419 | if (!strcmp(tok[i], tok[j])) dup=1; |
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420 | } |
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421 | if (!dup && (!prohibit || !strchr(prohibit, tok[i][0]))) { |
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422 | if (!first) { |
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423 | strcat(cat, " "); |
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424 | } |
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425 | first=0; |
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426 | strcat(cat, tok[i]); |
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427 | } |
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428 | } |
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429 | atokenize_free(tok, toklen); |
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430 | return(cat); |
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431 | } |
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432 | |
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433 | /* hooks for doing memory allocation et. al. in owl */ |
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434 | |
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435 | void *owl_malloc(size_t size) |
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436 | { |
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437 | return(malloc(size)); |
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438 | } |
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439 | |
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440 | void owl_free(void *ptr) |
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441 | { |
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442 | free(ptr); |
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443 | } |
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444 | |
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445 | char *owl_strdup(const char *s1) |
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446 | { |
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447 | return(strdup(s1)); |
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448 | } |
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449 | |
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450 | void *owl_realloc(void *ptr, size_t size) |
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451 | { |
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452 | return(realloc(ptr, size)); |
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453 | } |
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454 | |
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455 | /* allocates memory and returns the string or null. |
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456 | * caller must free the string. |
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457 | * from Linux sprintf man page. |
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458 | */ |
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459 | char *owl_sprintf(const char *fmt, ...) |
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460 | { |
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461 | int n, size = 100; |
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462 | char *p; |
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463 | va_list ap; |
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464 | if ((p = owl_malloc (size)) == NULL) return (NULL); |
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465 | while (1) { |
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466 | /* Try to print in the allocated space. */ |
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467 | va_start(ap, fmt); |
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468 | n = vsnprintf (p, size, fmt, ap); |
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469 | va_end(ap); |
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470 | /* If that worked, return the string. */ |
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471 | if (n > -1 && n < size) |
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472 | return p; |
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473 | /* Else try again with more space. */ |
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474 | if (n > -1) /* glibc 2.1 */ |
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475 | size = n+1; /* precisely what is needed */ |
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476 | else /* glibc 2.0 */ |
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477 | size *= 2; /* twice the old size */ |
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478 | if ((p = owl_realloc (p, size)) == NULL) |
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479 | return NULL; |
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480 | } |
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481 | } |
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482 | |
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483 | /* Return the owl color associated with the named color. Return -1 |
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484 | * if the named color is not available |
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485 | */ |
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486 | int owl_util_string_to_color(char *color) |
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487 | { |
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488 | if (!strcasecmp(color, "black")) { |
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489 | return(OWL_COLOR_BLACK); |
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490 | } else if (!strcasecmp(color, "red")) { |
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491 | return(OWL_COLOR_RED); |
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492 | } else if (!strcasecmp(color, "green")) { |
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493 | return(OWL_COLOR_GREEN); |
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494 | } else if (!strcasecmp(color, "yellow")) { |
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495 | return(OWL_COLOR_YELLOW); |
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496 | } else if (!strcasecmp(color, "blue")) { |
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497 | return(OWL_COLOR_BLUE); |
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498 | } else if (!strcasecmp(color, "magenta")) { |
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499 | return(OWL_COLOR_MAGENTA); |
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500 | } else if (!strcasecmp(color, "cyan")) { |
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501 | return(OWL_COLOR_CYAN); |
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502 | } else if (!strcasecmp(color, "white")) { |
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503 | return(OWL_COLOR_WHITE); |
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504 | } else if (!strcasecmp(color, "default")) { |
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505 | return(OWL_COLOR_DEFAULT); |
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506 | } |
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507 | return(-1); |
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508 | } |
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509 | |
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510 | /* Return a string name of the given owl color */ |
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511 | char *owl_util_color_to_string(int color) |
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512 | { |
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513 | if (color==OWL_COLOR_BLACK) return("black"); |
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514 | if (color==OWL_COLOR_RED) return("red"); |
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515 | if (color==OWL_COLOR_GREEN) return("green"); |
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516 | if (color==OWL_COLOR_YELLOW) return("yellow"); |
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517 | if (color==OWL_COLOR_BLUE) return("blue"); |
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518 | if (color==OWL_COLOR_MAGENTA) return("magenta"); |
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519 | if (color==OWL_COLOR_CYAN) return("cyan"); |
---|
520 | if (color==OWL_COLOR_WHITE) return("white"); |
---|
521 | if (color==OWL_COLOR_DEFAULT) return("default"); |
---|
522 | return("Unknown color"); |
---|
523 | } |
---|
524 | |
---|
525 | /* Get the default tty name. Caller must free the return */ |
---|
526 | char *owl_util_get_default_tty() |
---|
527 | { |
---|
528 | char *out, *tmp; |
---|
529 | |
---|
530 | if (getenv("DISPLAY")) { |
---|
531 | out=owl_strdup(getenv("DISPLAY")); |
---|
532 | } else if ((tmp=ttyname(fileno(stdout)))!=NULL) { |
---|
533 | out=owl_strdup(tmp); |
---|
534 | if (!strncmp(out, "/dev/", 5)) { |
---|
535 | owl_free(out); |
---|
536 | out=owl_strdup(tmp+5); |
---|
537 | } |
---|
538 | } else { |
---|
539 | out=owl_strdup("unknown"); |
---|
540 | } |
---|
541 | return(out); |
---|
542 | } |
---|
543 | |
---|
544 | |
---|
545 | /* Animation hack */ |
---|
546 | void owl_hack_animate() |
---|
547 | { |
---|
548 | owl_messagelist *ml; |
---|
549 | owl_message *m; |
---|
550 | owl_fmtext *fm; |
---|
551 | char *text, *ptr; |
---|
552 | int place; |
---|
553 | |
---|
554 | /* grab the first message and make sure its id is 0 */ |
---|
555 | ml=owl_global_get_msglist(&g); |
---|
556 | m=owl_messagelist_get_element(ml, 0); |
---|
557 | if (!m) return; |
---|
558 | if (owl_message_get_id(m)!=0) return; |
---|
559 | |
---|
560 | fm=owl_message_get_fmtext(m); |
---|
561 | text=owl_fmtext_get_text(fm); |
---|
562 | |
---|
563 | ptr=strstr(text, "OvO"); |
---|
564 | if (ptr) { |
---|
565 | place=ptr-text; |
---|
566 | owl_fmtext_set_char(fm, place, '-'); |
---|
567 | owl_fmtext_set_char(fm, place+2, '-'); |
---|
568 | |
---|
569 | owl_mainwin_redisplay(owl_global_get_mainwin(&g)); |
---|
570 | if (owl_popwin_is_active(owl_global_get_popwin(&g))) { |
---|
571 | owl_popwin_refresh(owl_global_get_popwin(&g)); |
---|
572 | /* TODO: this is a broken kludge */ |
---|
573 | if (owl_global_get_viewwin(&g)) { |
---|
574 | owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0); |
---|
575 | } |
---|
576 | } |
---|
577 | owl_global_set_needrefresh(&g); |
---|
578 | return; |
---|
579 | } |
---|
580 | |
---|
581 | ptr=strstr(text, "-v-"); |
---|
582 | if (ptr) { |
---|
583 | place=ptr-text; |
---|
584 | owl_fmtext_set_char(fm, place, 'O'); |
---|
585 | owl_fmtext_set_char(fm, place+2, 'O'); |
---|
586 | |
---|
587 | owl_mainwin_redisplay(owl_global_get_mainwin(&g)); |
---|
588 | if (owl_popwin_is_active(owl_global_get_popwin(&g))) { |
---|
589 | owl_popwin_refresh(owl_global_get_popwin(&g)); |
---|
590 | /* TODO: this is a broken kludge */ |
---|
591 | if (owl_global_get_viewwin(&g)) { |
---|
592 | owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0); |
---|
593 | } |
---|
594 | } |
---|
595 | owl_global_set_needrefresh(&g); |
---|
596 | return; |
---|
597 | } |
---|
598 | } |
---|
599 | |
---|
600 | /* strip leading and trailing new lines. Caller must free the |
---|
601 | * return. |
---|
602 | */ |
---|
603 | char *owl_util_stripnewlines(char *in) |
---|
604 | { |
---|
605 | |
---|
606 | char *tmp, *ptr1, *ptr2, *out; |
---|
607 | |
---|
608 | ptr1=tmp=owl_strdup(in); |
---|
609 | while (ptr1[0]=='\n') { |
---|
610 | ptr1++; |
---|
611 | } |
---|
612 | ptr2=ptr1+strlen(ptr1)-1; |
---|
613 | while (ptr2>ptr1 && ptr2[0]=='\n') { |
---|
614 | ptr2[0]='\0'; |
---|
615 | ptr2--; |
---|
616 | } |
---|
617 | |
---|
618 | out=owl_strdup(ptr1); |
---|
619 | owl_free(tmp); |
---|
620 | return(out); |
---|
621 | } |
---|
622 | |
---|
623 | /* Delete the line matching "line" from the named file. If no such |
---|
624 | * line is found the file is left intact. If backup==1 then create a |
---|
625 | * backupfile containing the original contents. This is an |
---|
626 | * inefficient impelementation which reads the entire file into |
---|
627 | * memory. |
---|
628 | */ |
---|
629 | void owl_util_file_deleteline(char *filename, char *line, int backup) |
---|
630 | { |
---|
631 | char buff[LINE], *text; |
---|
632 | char *backupfilename=""; |
---|
633 | FILE *file, *backupfile=NULL; |
---|
634 | int size, newline; |
---|
635 | |
---|
636 | /* open the file for reading */ |
---|
637 | file=fopen(filename, "r"); |
---|
638 | if (!file) { |
---|
639 | owl_function_error("Error opening file %s", filename); |
---|
640 | return; |
---|
641 | } |
---|
642 | |
---|
643 | /* open the backup file for writing */ |
---|
644 | if (backup) { |
---|
645 | backupfilename=owl_sprintf("%s.backup", filename); |
---|
646 | backupfile=fopen(backupfilename, "w"); |
---|
647 | if (!backupfile) { |
---|
648 | owl_function_error("Error opening file %s for writing", backupfilename); |
---|
649 | owl_free(backupfilename); |
---|
650 | return; |
---|
651 | } |
---|
652 | owl_free(backupfilename); |
---|
653 | } |
---|
654 | |
---|
655 | /* we'll read the entire file into memory, minus the line we don't want and |
---|
656 | * and at the same time create the backup file if necessary |
---|
657 | */ |
---|
658 | text=owl_malloc(LINE); |
---|
659 | strcpy(text, ""); |
---|
660 | size=LINE; |
---|
661 | while (fgets(buff, LINE, file)!=NULL) { |
---|
662 | /* strip the newline */ |
---|
663 | newline=0; |
---|
664 | if (buff[strlen(buff)-1]=='\n') { |
---|
665 | buff[strlen(buff)-1]='\0'; |
---|
666 | newline=1; |
---|
667 | } |
---|
668 | |
---|
669 | /* if we don't match the line, add to saved text in memory */ |
---|
670 | if (strcasecmp(buff, line)) { |
---|
671 | size+=LINE; |
---|
672 | text=owl_realloc(text, size); |
---|
673 | strcat(text, buff); |
---|
674 | if (newline) strcat(text, "\n"); |
---|
675 | } |
---|
676 | |
---|
677 | /* write to backupfile if necessary */ |
---|
678 | if (backup) { |
---|
679 | fputs(buff, backupfile); |
---|
680 | if (newline) fputs("\n", backupfile); |
---|
681 | } |
---|
682 | } |
---|
683 | if (backup) fclose(backupfile); |
---|
684 | fclose(file); |
---|
685 | |
---|
686 | /* now rewrite the original file from memory */ |
---|
687 | file=fopen(filename, "w"); |
---|
688 | if (!file) { |
---|
689 | owl_function_error("WARNING: Error opening %s for writing. Use %s to restore.", filename, backupfilename); |
---|
690 | owl_function_beep(); |
---|
691 | owl_free(line); |
---|
692 | return; |
---|
693 | } |
---|
694 | |
---|
695 | fputs(text, file); |
---|
696 | fclose(file); |
---|
697 | } |
---|
698 | |
---|
699 | /* add the string 'str' to the list 'list' of strings, only if it |
---|
700 | * is not already present |
---|
701 | */ |
---|
702 | void owl_util_list_add_unique_string(owl_list *list, char *str) |
---|
703 | { |
---|
704 | int i, j; |
---|
705 | |
---|
706 | j=owl_list_get_size(list); |
---|
707 | for (i=0; i<j; i++) { |
---|
708 | if (!strcmp(str, owl_list_get_element(list, i))) return; |
---|
709 | } |
---|
710 | owl_list_append_element(list, owl_strdup(str)); |
---|
711 | } |
---|
712 | |
---|
713 | int owl_util_common_strings_in_lists(owl_list *a, owl_list *b) |
---|
714 | { |
---|
715 | int i, j, x, y; |
---|
716 | |
---|
717 | j=owl_list_get_size(a); |
---|
718 | for (i=0; i<j; i++) { |
---|
719 | y=owl_list_get_size(b); |
---|
720 | for (x=0; x<y; x++) { |
---|
721 | if (!strcmp(owl_list_get_element(a, i), owl_list_get_element(b, x))) return(1); |
---|
722 | } |
---|
723 | } |
---|
724 | return(0); |
---|
725 | } |
---|
726 | |
---|
727 | int owl_util_max(int a, int b) |
---|
728 | { |
---|
729 | if (a>b) return(a); |
---|
730 | return(b); |
---|
731 | } |
---|
732 | |
---|
733 | int owl_util_min(int a, int b) |
---|
734 | { |
---|
735 | if (a<b) return(a); |
---|
736 | return(b); |
---|
737 | } |
---|
738 | |
---|
739 | /* Return the base class or instance from a zephyr class, by removing |
---|
740 | leading `un' or trailing `.d'. |
---|
741 | The caller is responsible for freeing the allocated string. |
---|
742 | */ |
---|
743 | char * owl_util_baseclass(char * class) |
---|
744 | { |
---|
745 | char *newClass; |
---|
746 | char *ret; |
---|
747 | char *start, *end; |
---|
748 | |
---|
749 | start = newClass = owl_strdup(class); |
---|
750 | while(!strncmp(start, "un", 2)) { |
---|
751 | start += 2; |
---|
752 | } |
---|
753 | end = start + strlen(start) - 1; |
---|
754 | while(*end == 'd' && *(end-1) == '.') { |
---|
755 | end -= 2; |
---|
756 | } |
---|
757 | *(end + 1) = 0; |
---|
758 | |
---|
759 | ret = owl_strdup(start); |
---|
760 | owl_free(newClass); |
---|
761 | |
---|
762 | return ret; |
---|
763 | } |
---|
764 | |
---|
765 | /**************************************************************************/ |
---|
766 | /************************* REGRESSION TESTS *******************************/ |
---|
767 | /**************************************************************************/ |
---|
768 | |
---|
769 | #ifdef OWL_INCLUDE_REG_TESTS |
---|
770 | |
---|
771 | #include "test.h" |
---|
772 | |
---|
773 | int owl_util_regtest(void) |
---|
774 | { |
---|
775 | int numfailed=0; |
---|
776 | |
---|
777 | printf("BEGIN testing owl_util\n"); |
---|
778 | |
---|
779 | FAIL_UNLESS("owl_util_substitute 1", |
---|
780 | !strcmp("foo", owl_text_substitute("foo", "", "Y"))); |
---|
781 | FAIL_UNLESS("owl_text_substitute 2", |
---|
782 | !strcmp("fYZYZ", owl_text_substitute("foo", "o", "YZ"))); |
---|
783 | FAIL_UNLESS("owl_text_substitute 3", |
---|
784 | !strcmp("foo", owl_text_substitute("fYZYZ", "YZ", "o"))); |
---|
785 | FAIL_UNLESS("owl_text_substitute 4", |
---|
786 | !strcmp("/u/foo/meep", owl_text_substitute("~/meep", "~", "/u/foo"))); |
---|
787 | |
---|
788 | FAIL_UNLESS("skiptokens 1", |
---|
789 | !strcmp("bar quux", skiptokens("foo bar quux", 1))); |
---|
790 | FAIL_UNLESS("skiptokens 2", |
---|
791 | !strcmp("meep", skiptokens("foo 'bar quux' meep", 2))); |
---|
792 | |
---|
793 | FAIL_UNLESS("owl_util_uniq 1", |
---|
794 | !strcmp("foo bar x", owl_util_uniq("foo", "bar x", "-"))); |
---|
795 | FAIL_UNLESS("owl_util_uniq 2", |
---|
796 | !strcmp("foo bar x", owl_util_uniq("foo", "bar -y x", "-"))); |
---|
797 | FAIL_UNLESS("owl_util_uniq 3", |
---|
798 | !strcmp("meep foo bar", owl_util_uniq("meep foo", "bar foo meep", "-"))); |
---|
799 | |
---|
800 | if (numfailed) printf("*** WARNING: failures encountered with owl_util\n"); |
---|
801 | printf("END testing owl_util (%d failures)\n", numfailed); |
---|
802 | return(numfailed); |
---|
803 | } |
---|
804 | |
---|
805 | #endif /* OWL_INCLUDE_REG_TESTS */ |
---|