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annotate srogue/options.c @ 201:6fb21004a981

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Fix some preprocessor directives. Include process.h in the right place, and use the correct definition of PATH_MAX, when compiling on Windows.
author John "Elwin" Edwards
date Wed, 12 Aug 2015 16:56:19 -0400
parents 458df24e973d
children 94a0d9dd5ce1
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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 <ctype.h>
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18 #include <string.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 /*
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23 * description of an option and what to do with it
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24 */
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25 struct optstruct {
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26 char *o_name; /* option name */
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27 char *o_prompt; /* prompt for interactive entry */
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28 char *o_opt; /* pointer to thing to set */
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29 };
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30
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31 typedef struct optstruct OPTION;
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32
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33 int put_str(), get_str();
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34
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35 OPTION optlist[] = {
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36 { "name", "Name: ", whoami },
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37 { "fruit", "Fruit: ", fruit },
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38 { "file", "Save file: ", file_name }
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39 };
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40 #define NUM_OPTS (sizeof optlist / sizeof (OPTION))
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41 OPTION safeoptlist[] = {
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42 { "fruit", "Fruit: ", fruit },
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43 };
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44 #define NUM_SOPTS (sizeof safeoptlist / sizeof (OPTION))
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45
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46 /*
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47 * print and then set options from the terminal
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48 */
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49 option()
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50 {
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51 reg OPTION *op;
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52 reg int wh;
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53 OPTION *olist;
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54 int olen;
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55
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56 if (use_savedir) {
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57 olist = safeoptlist;
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58 olen = NUM_SOPTS;
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59 }
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60 else {
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61 olist = optlist;
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62 olen = NUM_OPTS;
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63 }
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64
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65 wclear(hw);
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66 touchwin(hw);
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67 /*
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68 * Display current values of options
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69 */
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70 for (op = olist; op < &olist[olen]; op++) {
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71 wh = op - olist;
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72 mvwaddstr(hw, wh, 0, op->o_prompt);
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73 mvwaddstr(hw, wh, 16, op->o_opt);
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74 }
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75 /*
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76 * Set values
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77 */
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78 wmove(hw, 0, 0);
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79 for (op = olist; op < &olist[olen]; op++) {
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80 wmove(hw, op - olist, 16);
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81 if ((wh = get_str(op->o_opt, hw))) {
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82 if (wh == QUIT)
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83 break;
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84 else if (op > olist) {
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85 wmove(hw, op - olist, 0);
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86 op -= 2;
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87 }
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88 else {
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89 putchar(7);
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90 wmove(hw, 0, 0);
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91 op -= 1;
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92 }
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93 }
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94 }
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95 /*
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96 * Switch back to original screen
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97 */
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98 dbotline(hw,spacemsg);
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99 restscr(cw);
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100 after = FALSE;
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101 }
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102
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103
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104 /*
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105 * get_str:
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106 * Set a string option
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107 */
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108 #define CTRLB 2
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109 get_str(opt, awin)
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110 char *opt;
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111 WINDOW *awin;
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112 {
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113 reg char *sp;
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114 reg int c, oy, ox;
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115 char buf[LINLEN];
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116
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117 draw(awin);
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118 getyx(awin, oy, ox);
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119 /*
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120 * loop reading in the string, and put it in a temporary buffer
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121 */
103
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122 for (sp = buf; (c=readchar(awin)) != '\n' && c != '\r' && c != ESCAPE;
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123 wclrtoeol(awin), draw(awin)) {
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124 if (sp - buf >= 50) {
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125 *sp = '\0'; /* line was too long */
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126 strucpy(opt,buf,strlen(buf));
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127 mvwaddstr(awin, 0, 0, "Name was truncated --More--");
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128 wclrtoeol(awin);
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129 draw(awin);
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130 wait_for(awin, ' ');
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131 mvwprintw(awin, 0, 0, "Called: %s",opt);
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132 draw(awin);
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133 return NORM;
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134 }
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135 if (c == -1)
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136 continue;
119
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137 else if(c == md_erasechar()) { /* process erase char */
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138 if (sp > buf) {
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139 reg int i;
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140
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141 sp--;
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142 for (i = strlen(unctrl(*sp)); i; i--)
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143 waddch(awin, '\b');
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144 }
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145 continue;
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146 }
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147 else if (c == md_killchar()) { /* process kill character */
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148 sp = buf;
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149 wmove(awin, oy, ox);
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150 continue;
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151 }
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152 else if (sp == buf) {
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153 if (c == CTRLB) /* CTRL - B */
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154 break;
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155 if (c == '~') {
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156 strcpy(buf, home);
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157 waddstr(awin, home);
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158 sp += strlen(home);
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159 continue;
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160 }
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161 }
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162 *sp++ = c;
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163 waddstr(awin, unctrl(c));
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164 }
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165 *sp = '\0';
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166 if (sp > buf) /* only change option if something was typed */
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167 strucpy(opt, buf, strlen(buf));
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168 wmove(awin, oy, ox);
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169 waddstr(awin, opt);
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170 waddstr(awin, "\n\r");
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171 draw(awin);
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172 if (awin == cw)
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173 mpos += sp - buf;
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174 if (c == CTRLB)
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175 return MINUS;
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176 if (c == ESCAPE)
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177 return QUIT;
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178 return NORM;
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179 }
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180
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181 /*
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182 * parse_opts:
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183 * Parse options from string, usually taken from the environment.
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184 * the string is a series of comma seperated values, with strings
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185 * being "name=....", with the string being defined up to a comma
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186 * or the end of the entire option string.
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187 */
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188
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189 parse_opts(str)
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190 char *str;
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191 {
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192 reg char *sp;
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193 reg OPTION *op;
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194 reg int len;
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195
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196 while (*str) {
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197 for (sp = str; isalpha(*sp); sp++) /* get option name */
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198 continue;
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199 len = sp - str;
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200 for (op = optlist; op < &optlist[NUM_OPTS]; op++) {
37
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201 /* For security, some options can't be changed. */
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202 if (!allowchange(op))
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203 continue;
36
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204 if (EQSTR(str, op->o_name, len)) {
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205 reg char *start;
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206
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207 for (str = sp + 1; *str == '='; str++)
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208 continue;
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209 if (*str == '~') {
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210 strcpy(op->o_opt, home);
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211 start = op->o_opt + strlen(home);
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212 while (*++str == '/')
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213 continue;
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214 }
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215 else
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216 start = (char *) op->o_opt;
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217 for (sp = str + 1; *sp && *sp != ','; sp++)
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218 continue;
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219 strucpy(start, str, sp - str);
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220 }
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221 }
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222 /*
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223 * skip to start of next option name
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224 */
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225 while (*sp && !isalpha(*sp))
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226 sp++;
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227 str = sp;
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228 }
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229 }
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230
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231 /*
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232 * copy string using unctrl for things
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233 */
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234 strucpy(s1, s2, len)
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235 char *s1, *s2;
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236 int len;
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237 {
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238 reg char *sp;
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239
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240 while (len-- > 0) {
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241 strcpy(s1, (sp = unctrl(*s2)));
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242 s1 += strlen(sp);
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243 s2++;
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244 }
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245 *s1 = '\0';
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246 }
37
34d7a614855e srogue: add support for SAVEDIR
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247
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248 int allowchange(OPTION *opt)
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249 {
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250 if (!use_savedir)
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251 return 1;
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252 if (!strcmp(opt->o_name, "name"))
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253 return 0;
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254 if (!strcmp(opt->o_name, "file"))
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255 return 0;
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256 return 1;
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257 }