1 | /*
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2 | * dialog - Display simple dialog boxes from shell scripts
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3 | *
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4 | * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
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5 | * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
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6 | *
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7 | * This program is free software; you can redistribute it and/or
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8 | * modify it under the terms of the GNU General Public License
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9 | * as published by the Free Software Foundation; either version 2
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10 | * of the License, or (at your option) any later version.
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11 | *
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12 | * This program is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with this program; if not, write to the Free Software
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19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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20 | */
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21 |
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22 | #include "dialog.h"
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23 |
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24 | static void Usage(const char *name);
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25 |
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26 | typedef int (jumperFn) (const char *title, int argc, const char *const *argv);
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27 |
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28 | struct Mode {
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29 | char *name;
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30 | int argmin, argmax, argmod;
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31 | jumperFn *jumper;
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32 | };
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33 |
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34 | jumperFn j_menu, j_radiolist, j_yesno, j_textbox, j_inputbox;
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35 | jumperFn j_msgbox, j_infobox;
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36 |
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37 | static struct Mode modes[] = {
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38 | {"--menu", 9, 0, 3, j_menu},
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39 | {"--radiolist", 9, 0, 3, j_radiolist},
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40 | {"--yesno", 5, 5, 1, j_yesno},
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41 | {"--textbox", 5, 5, 1, j_textbox},
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42 | {"--inputbox", 5, 6, 1, j_inputbox},
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43 | {"--msgbox", 5, 5, 1, j_msgbox},
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44 | {"--infobox", 5, 5, 1, j_infobox},
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45 | {NULL, 0, 0, 0, NULL}
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46 | };
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47 |
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48 | static struct Mode *modePtr;
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49 |
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50 | #ifdef LOCALE
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51 | #include <locale.h>
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52 | #endif
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53 |
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54 | int main(int argc, const char *const *argv)
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55 | {
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56 | int offset = 0, opt_clear = 0, end_common_opts = 0, retval;
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57 | const char *title = NULL;
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58 |
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59 | #ifdef LOCALE
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60 | (void)setlocale(LC_ALL, "");
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61 | #endif
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62 |
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63 | #ifdef TRACE
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64 | trace(TRACE_CALLS | TRACE_UPDATE);
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65 | #endif
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66 | if (argc < 2) {
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67 | Usage(argv[0]);
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68 | exit(-1);
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69 | }
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70 |
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71 | while (offset < argc - 1 && !end_common_opts) { /* Common options */
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72 | if (!strcmp(argv[offset + 1], "--title")) {
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73 | if (argc - offset < 3 || title != NULL) {
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74 | Usage(argv[0]);
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75 | exit(-1);
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76 | } else {
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77 | title = argv[offset + 2];
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78 | offset += 2;
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79 | }
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80 | } else if (!strcmp(argv[offset + 1], "--backtitle")) {
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81 | if (backtitle != NULL) {
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82 | Usage(argv[0]);
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83 | exit(-1);
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84 | } else {
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85 | backtitle = argv[offset + 2];
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86 | offset += 2;
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87 | }
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88 | } else if (!strcmp(argv[offset + 1], "--clear")) {
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89 | if (opt_clear) { /* Hey, "--clear" can't appear twice! */
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90 | Usage(argv[0]);
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91 | exit(-1);
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92 | } else if (argc == 2) { /* we only want to clear the screen */
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93 | init_dialog();
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94 | refresh(); /* init_dialog() will clear the screen for us */
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95 | end_dialog();
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96 | return 0;
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97 | } else {
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98 | opt_clear = 1;
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99 | offset++;
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100 | }
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101 | } else /* no more common options */
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102 | end_common_opts = 1;
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103 | }
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104 |
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105 | if (argc - 1 == offset) { /* no more options */
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106 | Usage(argv[0]);
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107 | exit(-1);
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108 | }
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109 | /* use a table to look for the requested mode, to avoid code duplication */
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110 |
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111 | for (modePtr = modes; modePtr->name; modePtr++) /* look for the mode */
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112 | if (!strcmp(argv[offset + 1], modePtr->name))
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113 | break;
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114 |
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115 | if (!modePtr->name)
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116 | Usage(argv[0]);
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117 | if (argc - offset < modePtr->argmin)
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118 | Usage(argv[0]);
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119 | if (modePtr->argmax && argc - offset > modePtr->argmax)
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120 | Usage(argv[0]);
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121 |
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122 | init_dialog();
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123 | retval = (*(modePtr->jumper)) (title, argc - offset, argv + offset);
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124 |
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125 | if (opt_clear) { /* clear screen before exit */
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126 | attr_clear(stdscr, LINES, COLS, screen_attr);
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127 | refresh();
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128 | }
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129 | end_dialog();
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130 |
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131 | exit(retval);
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132 | }
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133 |
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134 | /*
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135 | * Print program usage
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136 | */
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137 | static void Usage(const char *name)
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138 | {
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139 | fprintf(stderr, "\
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140 | \ndialog, by Savio Lam (lam836@cs.cuhk.hk).\
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141 | \n patched by Stuart Herbert (S.Herbert@shef.ac.uk)\
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142 | \n modified/gutted for use as a Linux kernel config tool by \
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143 | \n William Roadcap (roadcapw@cfw.com)\
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144 | \n\
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145 | \n* Display dialog boxes from shell scripts *\
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146 | \n\
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147 | \nUsage: %s --clear\
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148 | \n %s [--title <title>] [--backtitle <backtitle>] --clear <Box options>\
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149 | \n\
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150 | \nBox options:\
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151 | \n\
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152 | \n --menu <text> <height> <width> <menu height> <tag1> <item1>...\
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153 | \n --radiolist <text> <height> <width> <list height> <tag1> <item1> <status1>...\
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154 | \n --textbox <file> <height> <width>\
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155 | \n --inputbox <text> <height> <width> [<init>]\
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156 | \n --yesno <text> <height> <width>\
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157 | \n", name, name);
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158 | exit(-1);
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159 | }
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160 |
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161 | /*
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162 | * These are the program jumpers
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163 | */
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164 |
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165 | int j_menu(const char *t, int ac, const char *const *av)
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166 | {
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167 | return dialog_menu(t, av[2], atoi(av[3]), atoi(av[4]),
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168 | atoi(av[5]), av[6], (ac - 6) / 2, av + 7);
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169 | }
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170 |
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171 | int j_radiolist(const char *t, int ac, const char *const *av)
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172 | {
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173 | return dialog_checklist(t, av[2], atoi(av[3]), atoi(av[4]),
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174 | atoi(av[5]), (ac - 6) / 3, av + 6);
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175 | }
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176 |
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177 | int j_textbox(const char *t, int ac, const char *const *av)
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178 | {
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179 | return dialog_textbox(t, av[2], atoi(av[3]), atoi(av[4]));
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180 | }
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181 |
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182 | int j_yesno(const char *t, int ac, const char *const *av)
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183 | {
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184 | return dialog_yesno(t, av[2], atoi(av[3]), atoi(av[4]));
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185 | }
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186 |
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187 | int j_inputbox(const char *t, int ac, const char *const *av)
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188 | {
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189 | int ret = dialog_inputbox(t, av[2], atoi(av[3]), atoi(av[4]),
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190 | ac == 6 ? av[5] : (char *)NULL);
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191 | if (ret == 0)
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192 | fprintf(stderr, dialog_input_result);
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193 | return ret;
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194 | }
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195 |
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196 | int j_msgbox(const char *t, int ac, const char *const *av)
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197 | {
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198 | return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 1);
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199 | }
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200 |
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201 | int j_infobox(const char *t, int ac, const char *const *av)
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202 | {
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203 | return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 0);
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204 | }
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