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