Mercurial > hg > early-roguelike
annotate srogue/options.c @ 36:2128c7dc8a40
Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
author | elwin |
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date | Thu, 25 Nov 2010 12:21:41 +0000 |
parents | |
children | 34d7a614855e |
rev | line source |
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36
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Import Super-Rogue 9.0 from the Roguelike Restoration Project (r1490)
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1 /* |
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2 * This file has all the code for the option command. |
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3 * |
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4 * @(#)options.c 9.0 (rdk) 7/17/84 |
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5 * |
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6 * Super-Rogue |
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7 * Copyright (C) 1984 Robert D. Kindelberger |
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8 * All rights reserved. |
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9 * |
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10 * Based on "Rogue: Exploring the Dungeons of Doom" |
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11 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman |
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12 * All rights reserved. |
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13 * |
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14 * See the file LICENSE.TXT for full copyright and licensing information. |
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15 */ |
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16 |
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17 #include <termios.h> |
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18 #include <ctype.h> |
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19 #include "rogue.h" |
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20 #include "rogue.ext" |
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21 |
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22 extern struct termios terminal; |
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23 |
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24 /* |
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25 * description of an option and what to do with it |
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26 */ |
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27 struct optstruct { |
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28 char *o_name; /* option name */ |
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29 char *o_prompt; /* prompt for interactive entry */ |
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30 char *o_opt; /* pointer to thing to set */ |
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31 }; |
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32 |
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33 typedef struct optstruct OPTION; |
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34 |
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35 int put_str(), get_str(); |
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36 |
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37 OPTION optlist[] = { |
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38 { "name", "Name: ", whoami }, |
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39 { "fruit", "Fruit: ", fruit }, |
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40 { "file", "Save file: ", file_name } |
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41 }; |
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42 #define NUM_OPTS (sizeof optlist / sizeof (OPTION)) |
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43 |
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44 /* |
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45 * print and then set options from the terminal |
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46 */ |
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47 option() |
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48 { |
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49 reg OPTION *op; |
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50 reg int wh; |
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51 |
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52 wclear(hw); |
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53 touchwin(hw); |
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54 /* |
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55 * Display current values of options |
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56 */ |
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57 for (op = optlist; op < &optlist[NUM_OPTS]; op++) { |
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58 wh = op - optlist; |
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59 mvwaddstr(hw, wh, 0, op->o_prompt); |
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60 mvwaddstr(hw, wh, 16, op->o_opt); |
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61 } |
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62 /* |
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63 * Set values |
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64 */ |
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65 wmove(hw, 0, 0); |
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66 for (op = optlist; op < &optlist[NUM_OPTS]; op++) { |
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67 wmove(hw, op - optlist, 16); |
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68 if ((wh = get_str(op->o_opt, hw))) { |
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69 if (wh == QUIT) |
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70 break; |
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71 else if (op > optlist) { |
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72 wmove(hw, op - optlist, 0); |
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73 op -= 2; |
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74 } |
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75 else { |
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76 putchar(7); |
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77 wmove(hw, 0, 0); |
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78 op -= 1; |
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79 } |
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80 } |
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81 } |
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82 /* |
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83 * Switch back to original screen |
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84 */ |
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85 dbotline(hw,spacemsg); |
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86 restscr(cw); |
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87 after = FALSE; |
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88 } |
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89 |
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90 |
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91 /* |
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92 * get_str: |
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93 * Set a string option |
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94 */ |
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95 #define CTRLB 2 |
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96 get_str(opt, awin) |
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97 char *opt; |
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98 WINDOW *awin; |
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99 { |
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100 reg char *sp; |
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101 reg int c, oy, ox; |
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102 char buf[LINLEN]; |
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103 |
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104 draw(awin); |
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105 getyx(awin, oy, ox); |
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106 /* |
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107 * loop reading in the string, and put it in a temporary buffer |
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108 */ |
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109 for (sp = buf; (c=wgetch(awin)) != '\n' && c != '\r' && c != ESCAPE; |
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110 wclrtoeol(awin), draw(awin)) { |
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111 if (( (int)sp - (int)buf ) >= 50) { |
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112 *sp = '\0'; /* line was too long */ |
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113 strucpy(opt,buf,strlen(buf)); |
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114 mvwaddstr(awin, 0, 0, "Name was truncated --More--"); |
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115 wclrtoeol(awin); |
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116 draw(awin); |
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117 wait_for(awin, ' '); |
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118 mvwprintw(awin, 0, 0, "Called: %s",opt); |
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119 draw(awin); |
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120 return NORM; |
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121 } |
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122 if (c == -1) |
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123 continue; |
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124 else if(c == terminal.c_cc[VERASE]) { /* process erase char */ |
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125 if (sp > buf) { |
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126 reg int i; |
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127 |
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128 sp--; |
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129 for (i = strlen(unctrl(*sp)); i; i--) |
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130 waddch(awin, '\b'); |
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131 } |
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132 continue; |
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133 } |
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134 else if (c == terminal.c_cc[VKILL]) { /* process kill character */ |
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135 sp = buf; |
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136 wmove(awin, oy, ox); |
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137 continue; |
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138 } |
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139 else if (sp == buf) { |
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140 if (c == CTRLB) /* CTRL - B */ |
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141 break; |
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142 if (c == '~') { |
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143 strcpy(buf, home); |
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144 waddstr(awin, home); |
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145 sp += strlen(home); |
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146 continue; |
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147 } |
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148 } |
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149 *sp++ = c; |
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150 waddstr(awin, unctrl(c)); |
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151 } |
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152 *sp = '\0'; |
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153 if (sp > buf) /* only change option if something was typed */ |
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154 strucpy(opt, buf, strlen(buf)); |
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155 wmove(awin, oy, ox); |
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156 waddstr(awin, opt); |
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157 waddstr(awin, "\n\r"); |
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158 draw(awin); |
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159 if (awin == cw) |
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160 mpos += sp - buf; |
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161 if (c == CTRLB) |
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162 return MINUS; |
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163 if (c == ESCAPE) |
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164 return QUIT; |
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165 return NORM; |
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166 } |
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167 |
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168 /* |
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169 * parse_opts: |
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170 * Parse options from string, usually taken from the environment. |
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171 * the string is a series of comma seperated values, with strings |
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172 * being "name=....", with the string being defined up to a comma |
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173 * or the end of the entire option string. |
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174 */ |
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175 |
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176 parse_opts(str) |
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177 char *str; |
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178 { |
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179 reg char *sp; |
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180 reg OPTION *op; |
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181 reg int len; |
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182 |
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183 while (*str) { |
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184 for (sp = str; isalpha(*sp); sp++) /* get option name */ |
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185 continue; |
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186 len = sp - str; |
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187 for (op = optlist; op < &optlist[NUM_OPTS]; op++) { |
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188 if (EQSTR(str, op->o_name, len)) { |
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189 reg char *start; |
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190 |
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191 for (str = sp + 1; *str == '='; str++) |
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192 continue; |
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193 if (*str == '~') { |
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194 strcpy(op->o_opt, home); |
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195 start = op->o_opt + strlen(home); |
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196 while (*++str == '/') |
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197 continue; |
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198 } |
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199 else |
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200 start = (char *) op->o_opt; |
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201 for (sp = str + 1; *sp && *sp != ','; sp++) |
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202 continue; |
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203 strucpy(start, str, sp - str); |
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204 } |
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205 } |
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206 /* |
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207 * skip to start of next option name |
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208 */ |
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209 while (*sp && !isalpha(*sp)) |
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210 sp++; |
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211 str = sp; |
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212 } |
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213 } |
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214 |
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215 /* |
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216 * copy string using unctrl for things |
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217 */ |
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218 strucpy(s1, s2, len) |
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219 char *s1, *s2; |
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220 int len; |
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221 { |
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222 reg char *sp; |
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223 |
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224 while (len-- > 0) { |
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225 strcpy(s1, (sp = unctrl(*s2))); |
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226 s1 += strlen(sp); |
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227 s2++; |
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228 } |
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229 *s1 = '\0'; |
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230 } |