3
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1 /* $Id: distress.c,v 1.1.1.1 1997/12/06 05:41:29 darius Exp $ */
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2
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3 /*
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4 * distress.c
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5 */
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6 #include "copyright.h"
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7
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <signal.h>
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11 #include <ctype.h>
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12 #include <string.h>
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13 #ifndef SERVER
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14 #include "Wlib.h"
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15 #endif
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16 #include "defs.h"
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17 #include "struct.h"
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18 #include "data.h"
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19 #include "gameconf.h"
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20 #include "proto.h"
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21
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22 /* #$!@$#% length of address field of messages */
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23 #define ADDRLEN 10
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24 #define MAXMACLEN 256
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25 #define MZERO bzero
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26
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27
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28 /*
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29 * The two in-line defs that follow enable us to avoid calling strcat over
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30 * and over again.
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31 */
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32 char *pappend;
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33 #define APPEND(ptr,str) \
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34 pappend = str; \
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35 while(*pappend) \
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36 *ptr++ = *pappend++;
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37
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38 #define APPEND_CAP(ptr,cap,str) \
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39 pappend = str; \
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40 while(*pappend) \
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41 { \
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42 *ptr++ = (cap ? toupper(*pappend) : *pappend); \
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43 pappend++; \
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44 }
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45
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46 /*
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47 * This is a hacked version from the K&R book. Basically it puts <n> into
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48 * <s> in reverse and then reverses the string...
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49 * MH. 10-18-93
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50 */
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51 int
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52 itoa2(n, s)
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53 int n;
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54 char s[];
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55 {
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56 int i, c, j, len;
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57
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58 if ((c = n) < 0)
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59 n = -n;
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60
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61 i = 0;
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62 do {
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63 s[i++] = n % 10 + '0';
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64 } while ((n /= 10) > 0);
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65
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66 if (c < 0)
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67 s[i++] = '-';
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68
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69 s[i] = '\0';
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70
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71 len = i--;
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72
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73 for (j = 0; i > j; j++, i--) {
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74 c = s[i];
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75 s[i] = s[j];
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76 s[j] = c;
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77 }
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78
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79 return len;
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80 }
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81
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82 /*
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83 * Like APPEND, and APPEND_CAP, APPEND_INT is an in-line function that
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84 * stops us from calling sprintf over and over again.
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85 */
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86 #define APPEND_INT(ptr, i) \
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87 ptr += itoa2(i, ptr);
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88
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89
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90 #ifdef SERVER
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91 #define ADDRLEN 10
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92 #define MAXMACLEN 85
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93 extern char *shiptypes[];
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94 #define warning(x) fprintf(stderr,x)
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95 #endif
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96
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97
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98 char *getaddr(), *getaddr2();
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99
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100
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101
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102 /* This takes an MDISTR flagged message and makes it into a dist struct */
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103 void
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104 HandleGenDistr(message, from, to, dist)
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105 char *message;
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106 struct distress *dist;
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107 unsigned char from, to;
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108 {
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109
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110 char *mtext;
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111 unsigned char i;
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112
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113 mtext = &message[ADDRLEN];
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114 #ifndef SERVER
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115 MZERO((char *) dist, sizeof(dist));
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116 #else
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117 bzero((char *) dist, sizeof(dist));
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118 #endif
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119
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120 dist->sender = from;
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121 dist->distype = mtext[0] & 0x1f;
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122 dist->macroflag = ((mtext[0] & 0x20) > 0);
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123 dist->fuelp = mtext[1] & 0x7f;
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124 dist->dam = mtext[2] & 0x7f;
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125 dist->shld = mtext[3] & 0x7f;
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126 dist->etmp = mtext[4] & 0x7f;
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127 dist->wtmp = mtext[5] & 0x7f;
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128 dist->arms = mtext[6] & 0x1f;
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129 dist->sts = mtext[7] & 0x7f;
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130 dist->wtmpflag = ((dist->sts & PFWEP) != 0) ? 1 : 0;
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131 dist->etempflag = ((dist->sts & PFENG) != 0) ? 1 : 0;
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132 dist->cloakflag = ((dist->sts & PFCLOAK) != 0) ? 1 : 0;
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133 dist->close_pl = mtext[8] & 0x7f;
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134 dist->close_en = mtext[9] & 0x7f;
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135 dist->tclose_pl = mtext[10] & 0x7f;
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136 dist->tclose_en = mtext[11] & 0x7f;
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137 dist->tclose_j = mtext[12] & 0x7f;
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138 dist->close_j = mtext[13] & 0x7f;
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139 dist->tclose_fr = mtext[14] & 0x7f;
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140 dist->close_fr = mtext[15] & 0x7f;
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141 i = 0;
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142 while ((mtext[16 + i] & 0xc0) == 0xc0 && (i < 6)) {
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143 dist->cclist[i] = mtext[16 + i] & 0x1f;
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144 i++;
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145 }
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146 dist->cclist[i] = mtext[16 + i];
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147 if (dist->cclist[i] == 0x80)
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148 dist->pre_app = 1;
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149 else
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150 dist->pre_app = 0;
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151 dist->preappend[0] = '\0';
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152
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153 if (mtext[16 + i + 1] != '\0') {
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154 strncpy(dist->preappend, &mtext[16 + i + 1], MSG_LEN - 1);
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155 dist->preappend[MSG_LEN - 1] = '\0';
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156 }
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157 }
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158
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159 /* this converts a dist struct to the appropriate text
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160 (excludes F1->FED text bit).. sorry if this is not what we said
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161 earlier jeff.. but I lost the paper towel I wrote it all down on */
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162 void
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163 Dist2Mesg(dist, buf)
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164 struct distress *dist;
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165 char *buf;
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166 {
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167 int len, i;
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168
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169 sprintf(buf, "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c",
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170 (dist->macroflag << 5) + (dist->distype),
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171 dist->fuelp | 0x80,
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172 dist->dam | 0x80,
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173 dist->shld | 0x80,
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174 dist->etmp | 0x80,
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175 dist->wtmp | 0x80,
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176 dist->arms | 0x80,
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177 dist->sts | 0x80,
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178 dist->close_pl | 0x80,
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179 dist->close_en | 0x80,
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180 dist->tclose_pl | 0x80,
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181 dist->tclose_en | 0x80,
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182 dist->tclose_j | 0x80,
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183 dist->close_j | 0x80,
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184 dist->tclose_fr | 0x80,
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185 dist->close_fr | 0x80);
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186
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187 /* cclist better be terminated properly otherwise we hose here */
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188 i = 0;
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189 while (((dist->cclist[i] & 0xc0) == 0xc0)) {
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190 buf[16 + i] = dist->cclist[i];
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191 i++;
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192 }
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193 /* get the pre/append cclist terminator in there */
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194 buf[16 + i] = dist->cclist[i];
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195 buf[16 + i + 1] = '\0';
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196
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197 len = 16 + i + 1;
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198 if (dist->preappend[0] != '\0') {
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199 strncat(buf, dist->preappend, MSG_LEN - len); /* false sense of
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200 security? */
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201 buf[MSG_LEN - 1] = '\0';
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202 }
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203 }
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204
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205 /* small permutation on the newmacro code... this takes a pointer to
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206 ** a distress structure and a pointer to a macro syntax string,
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207 ** and converts it into a line of text.
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208 ** 9/1/93 - jn
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209 */
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210 int
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211 makedistress(dist, cry, pm)
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212 struct distress *dist; /* the info */
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213 char *cry; /* the call for help! (output) - should be
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214 array */
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215 char *pm; /* macro to parse, used for distress and
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216 macro */
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217 {
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218 char buf1[10 * MAXMACLEN];
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219 char *pbuf1;
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220 char buf2[10 * MAXMACLEN];
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221 char buf3[10 * MAXMACLEN];
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222 char tmp[10 * MAXMACLEN];
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223 int index = 0;
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224 int index2 = 0;
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225 int index3 = 0;
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226 int cap = 0;
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227 struct player *sender;
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228 struct player *j;
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229 struct planet *l;
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230 char *strcap();
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231 #ifndef SERVER
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232 extern int ping_tloss_sc; /* total % loss 0--100, server to client */
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233 extern int ping_tloss_cs; /* total % loss 0--100, client to server */
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234 extern int ping_av; /* average rt */
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235 extern int ping_sd; /* standard deviation */
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236 #endif
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237 char c;
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238
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239
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240 sender = &players[dist->sender];
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241
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242 if (!(*pm)) {
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243 cry[0] = '\0';
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244 return (0);
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245 }
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246 buf1[0] = '\0';
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247 pbuf1 = buf1;
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248
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249 /* first step is to substitute variables */
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250 while (*pm) {
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251 if (*pm == '%') {
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252 pm++;
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253
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254 if (!pm)
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255 continue;
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256
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257 switch (c = *(pm++)) {
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258 case ' ':
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259 APPEND(pbuf1, " \0");
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260 break;
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261 case 'O': /* push a 3 character team name into buf */
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262 cap = 1;
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263 case 'o': /* push a 3 character team name into buf */
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264 APPEND_CAP(pbuf1, cap, teaminfo[sender->p_teami].shortname);
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265 cap = 0;
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266 break;
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267 case 'a': /* push army number into buf */
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268 APPEND_INT(pbuf1, dist->arms);
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269 break;
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270 case 'd': /* push damage into buf */
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271 APPEND_INT(pbuf1, dist->dam);
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272 break;
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273 case 's': /* push shields into buf */
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274 APPEND_INT(pbuf1, dist->shld);
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275 break;
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276 case 'f': /* push fuel into buf */
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277 APPEND_INT(pbuf1, dist->fuelp);
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278 break;
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279 case 'w': /* push wtemp into buf */
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280 APPEND_INT(pbuf1, dist->wtmp);
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281 break;
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282 case 'e': /* push etemp into buf */
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283 APPEND_INT(pbuf1, dist->etmp);
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284 break;
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285
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286 case 'P': /* push player id into buf */
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287 case 'G': /* push friendly player id into buf */
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288 case 'H': /* push enemy target player id into buf */
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289
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290 case 'p': /* push player id into buf */
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291 case 'g': /* push friendly player id into buf */
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292 case 'h': /* push enemy target player id into buf */
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293
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294 switch (c) {
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295 case 'p':
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296 j = &players[dist->tclose_j];
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297 break;
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298 case 'g':
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299 j = &players[dist->tclose_fr];
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300 break;
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301 case 'h':
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302 j = &players[dist->tclose_en];
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303 break;
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304 case 'P':
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305 j = &players[dist->close_j];
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306 break;
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307 case 'G':
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308 j = &players[dist->close_fr];
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309 break;
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310 default:
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311 j = &players[dist->close_en];
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312 break;
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313 }
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314 tmp[0] = j->p_mapchars[1];
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315 tmp[1] = '\0';
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316 APPEND(pbuf1, tmp);
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317 break;
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318
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319 case 'n': /* push planet armies into buf */
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320 l = &planets[dist->tclose_pl];
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321 APPEND_INT(pbuf1,
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322 ((l->pl_info & idx_to_mask(sender->p_teami))
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323 ? l->pl_armies : -1));
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324 break;
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325 case 'B':
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326 cap = 1;
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327 case 'b': /* push planet into buf */
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328 l = &planets[dist->close_pl];
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329 tmp[0] = l->pl_name[0] - 'A' + 'a';
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330 tmp[1] = l->pl_name[1];
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331 tmp[2] = l->pl_name[2];
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332 tmp[3] = '\0';
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333 APPEND_CAP(pbuf1, cap, tmp);
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334 cap = 0;
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335 break;
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336 case 'L':
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337 cap = 1;
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338 case 'l': /* push planet into buf */
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339 l = &planets[dist->tclose_pl];
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340 tmp[0] = l->pl_name[0] - 'A' + 'a';
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341 tmp[1] = l->pl_name[1];
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342 tmp[2] = l->pl_name[2];
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343 tmp[3] = '\0';
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344 APPEND_CAP(pbuf1, cap, tmp);
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345 cap = 0;
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346 break;
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347 case 'Z': /* push a 3 character team name into buf */
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348 cap = 1;
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349 case 'z': /* push a 3 character team name into buf */
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350 l = &planets[dist->tclose_pl];
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351 APPEND_CAP(pbuf1, cap,
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352 teaminfo[mask_to_idx(l->pl_owner)].shortname);
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353 cap = 0;
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354 break;
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355 case 't': /* push a team character into buf */
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356 l = &planets[dist->tclose_pl];
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357 tmp[0] = teaminfo[mask_to_idx(l->pl_owner)].letter;
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358 tmp[1] = '\0';
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359 APPEND(pbuf1, tmp);
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360 break;
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361 case 'T': /* push my team into buf */
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362 tmp[0] = teaminfo[sender->p_teami].letter;
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363 tmp[1] = '\0';
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364 APPEND(pbuf1, tmp);
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365 break;
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366 case 'c': /* push my id char into buf */
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367 tmp[0] = sender->p_mapchars[1];
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368 tmp[1] = '\0';
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369 APPEND(pbuf1, tmp);
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370 break;
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371 case 'W': /* push WTEMP flag into buf */
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372 if (dist->wtmpflag)
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373 tmp[0] = '1';
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374 else
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375 tmp[0] = '0';
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376 tmp[1] = '\0';
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377 APPEND(pbuf1, tmp);
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378 break;
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379 case 'E': /* push ETEMP flag into buf */
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380 if (dist->etempflag)
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381 tmp[0] = '1';
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382 else
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383 tmp[0] = '0';
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384 tmp[1] = '\0';
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385 APPEND(pbuf1, tmp);
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386 break;
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387 case 'K':
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388 cap = 1;
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389 case 'k':
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390 if (cap)
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391 j = &players[dist->tclose_en];
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392 else
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393 j = sender;
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394
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395 if (j->p_ship->s_type == STARBASE)
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396 sprintf(tmp, "%5.2f", j->p_stats.st_sbkills / 100.0);
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397 else
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398 sprintf(tmp, "%5.2f", (j->p_stats.st_kills + j->p_stats.st_tkills) / 100.0);
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399 APPEND(pbuf1, tmp);
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400 break;
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401
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402 case 'U': /* push player name into buf */
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403 cap = 1;
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404 case 'u': /* push player name into buf */
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405 j = &players[dist->tclose_en];
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406 APPEND_CAP(pbuf1, cap, j->p_name);
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407 cap = 0;
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408 break;
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409 case 'I': /* my player name into buf */
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410 cap = 1;
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411 case 'i': /* my player name into buf */
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412 APPEND_CAP(pbuf1, cap, sender->p_name);
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413 cap = 0;
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414 break;
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415 case 'S': /* push ship type into buf */
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416 #ifndef SERVER
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417 *pbuf1++ = sender->p_ship->s_desig[0];
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418 *pbuf1++ = sender->p_ship->s_desig[1];
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419 #else
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420 APPEND(pbuf1, shiptypes[sender->p_ship->s_type]);
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421 #endif
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422 break;
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423
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424 #ifdef SERVER
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425 case 'v': /* push average ping round trip time into buf */
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426 case 'V': /* push ping stdev into buf */
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427 case 'y': /* push packet loss into buf */
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428 APPEND(pbuf1, "0\0");
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429 case 'M': /* push capitalized lastMessage into buf */
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430 case 'm': /* push lastMessage into buf */
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431 break;
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432 #else
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433 case 'M': /* push capitalized lastMessage into buf */
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434 cap = 1;
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435 case 'm': /* push lastMessage into buf */
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436 APPEND_CAP(pbuf1, cap, lastMessage);
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437 cap = 0;
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438 break;
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439
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440 case 'v': /* push average ping round trip time into buf */
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441 APPEND_INT(pbuf1, ping_av);
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442 break;
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443
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444 case 'V': /* push ping stdev into buf */
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445 APPEND_INT(pbuf1, ping_sd);
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446 break;
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447
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448 case 'y': /* push packet loss into buf */
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449 /* this is the weighting formula used be socket.c ntserv */
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450 APPEND_INT(pbuf1, (2 * ping_tloss_sc + ping_tloss_cs) / 3);
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451 break;
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452 #endif
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453
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454 case '*': /* push %} into buf */
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455 APPEND(pbuf1, "%*\0");
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456 break;
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457 case '}': /* push %} into buf */
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458 APPEND(pbuf1, "%}\0");
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459 break;
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460 case '{': /* push %{ into buf */
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461 APPEND(pbuf1, "%{\0");
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462 break;
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463 case '!': /* push %! into buf */
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464 APPEND(pbuf1, "%!\0");
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465 break;
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466 case '?': /* push %? into buf */
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467 APPEND(pbuf1, "%?\0");
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468 break;
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469 case '%': /* push %% into buf */
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470 APPEND(pbuf1, "%%\0");
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471 break;
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472 default:
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473 /* try to continue
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474 ** bad macro character is skipped entirely,
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475 ** the message will be parsed without whatever %. has occurred. - jn
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476 */
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477 warning("Bad Macro character in distress!");
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478 fprintf(stderr, "Unrecognizable special character in distress pass 1: %c\n", *(pm - 1));
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479 break;
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480 }
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481 } else {
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482 tmp[0] = *pm;
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483 tmp[1] = '\0';
|
|
484 APPEND(pbuf1, tmp);
|
|
485 pm++;
|
|
486 }
|
|
487
|
|
488 }
|
|
489
|
|
490 *pbuf1 = '\0';
|
|
491
|
|
492 /* second step is to evaluate tests, buf1->buf2 */
|
|
493 testmacro(buf1, buf2, &index, &index2);
|
|
494 buf2[index2] = '\0';
|
|
495
|
|
496 if (index2 <= 0) {
|
|
497 cry[0] = '\0';
|
|
498 return (0);
|
|
499 }
|
|
500 index2 = 0;
|
|
501
|
|
502 /* third step is to include conditional text, buf2->buf3 */
|
|
503 condmacro(buf2, buf3, &index2, &index3, 1);
|
|
504
|
|
505 if (index3 <= 0) {
|
|
506 cry[0] = '\0';
|
|
507 return (0);
|
|
508 }
|
|
509 buf3[index3] = '\0';
|
|
510
|
|
511 cry[0] = '\0';
|
|
512 strncat(cry, buf3, MSG_LEN);
|
|
513
|
|
514 return (index3);
|
|
515 }
|
|
516
|
|
517 int
|
|
518 testmacro(bufa, bufb, inda, indb)
|
|
519 char *bufa;
|
|
520 char *bufb;
|
|
521 int *inda;
|
|
522 int *indb;
|
|
523 {
|
|
524 int state = 0;
|
|
525
|
|
526 if (*indb >= 10 * MAXMACLEN)
|
|
527 return 0;
|
|
528 /* maybe we should do something more "safe" here (and at other returns)? */
|
|
529
|
|
530
|
|
531 while (bufa[*inda] && (*indb < 10 * MAXMACLEN)) {
|
|
532 if (state) {
|
|
533 switch (bufa[(*inda)++]) {
|
|
534 case '*': /* push %* into buf */
|
|
535 if (*indb < 10 * MAXMACLEN - 2) {
|
|
536 bufb[*indb] = '%';
|
|
537 (*indb)++;
|
|
538 bufb[*indb] = '*';
|
|
539 (*indb)++;
|
|
540 } else
|
|
541 return (0); /* we are full, so we are done */
|
|
542 state = 0;
|
|
543 continue;
|
|
544 break;
|
|
545
|
|
546 case '%': /* push %% into buf */
|
|
547 if (*indb < 10 * MAXMACLEN - 2) {
|
|
548 bufb[*indb] = '%';
|
|
549 (*indb)++;
|
|
550 bufb[*indb] = '%';
|
|
551 (*indb)++;
|
|
552 } else
|
|
553 return (0); /* we are full, so we are done */
|
|
554 state = 0;
|
|
555 continue;
|
|
556 break;
|
|
557
|
|
558 case '{': /* push %{ into buf */
|
|
559 if (*indb < 10 * MAXMACLEN - 2) {
|
|
560 bufb[*indb] = '%';
|
|
561 (*indb)++;
|
|
562 bufb[*indb] = '{';
|
|
563 (*indb)++;
|
|
564 } else
|
|
565 return (0); /* we are full, so we are done */
|
|
566 state = 0;
|
|
567 continue;
|
|
568 break;
|
|
569
|
|
570 case '}': /* push %} into buf */
|
|
571 if (*indb < 10 * MAXMACLEN - 2) {
|
|
572 bufb[*indb] = '%';
|
|
573 (*indb)++;
|
|
574 bufb[*indb] = '}';
|
|
575 (*indb)++;
|
|
576 } else
|
|
577 return (0); /* we are full, so we are done */
|
|
578 state = 0;
|
|
579 continue;
|
|
580 break;
|
|
581
|
|
582 case '!': /* push %! into buf */
|
|
583 if (*indb < 10 * MAXMACLEN - 2) {
|
|
584 bufb[*indb] = '%';
|
|
585 (*indb)++;
|
|
586 bufb[*indb] = '!';
|
|
587 (*indb)++;
|
|
588 } else
|
|
589 return (0); /* we are full, so we are done */
|
|
590 state = 0;
|
|
591 continue;
|
|
592 break;
|
|
593
|
|
594 case '?': /* the dreaded conditional, evaluate it */
|
|
595 bufb[*indb] = '0' + solvetest(bufa, inda);
|
|
596 (*indb)++;
|
|
597 state = 0;
|
|
598 continue;
|
|
599 break;
|
|
600
|
|
601 default:
|
|
602 warning("Bad character in Macro!");
|
|
603 printf("Unrecognizable special character in macro pass2: %c Trying to continue.\n",
|
|
604 bufa[(*inda) - 1]);
|
|
605 state = 0;
|
|
606 continue;
|
|
607 break;
|
|
608 }
|
|
609 }
|
|
610 if (bufa[*inda] == '%') {
|
|
611 state++;
|
|
612 (*inda)++;
|
|
613 continue;
|
|
614 }
|
|
615 state = 0;
|
|
616
|
|
617
|
|
618 if (*indb < 10 * MAXMACLEN) {
|
|
619 bufb[*indb] = bufa[*inda];
|
|
620 (*inda)++;
|
|
621 (*indb)++;
|
|
622 } else
|
|
623 return (0);
|
|
624 }
|
|
625
|
|
626 return (0);
|
|
627 }
|
|
628
|
|
629 int
|
|
630 solvetest(bufa, inda)
|
|
631 char *bufa;
|
|
632 int *inda;
|
|
633 {
|
|
634 int state = 0;
|
|
635 char bufh[10 * MAXMACLEN];
|
|
636 char bufc[10 * MAXMACLEN];
|
|
637 int indh = 0, indc = 0, i;
|
|
638 char operation;
|
|
639
|
|
640
|
|
641 while (bufa[*inda] &&
|
|
642 bufa[*inda] != '<' &&
|
|
643 bufa[*inda] != '>' &&
|
|
644 bufa[*inda] != '=') {
|
|
645
|
|
646 bufh[indh++] = bufa[(*inda)++];
|
|
647 }
|
|
648 bufh[indh] = '\0';
|
|
649
|
|
650 operation = bufa[(*inda)++];
|
|
651
|
|
652 while (bufa[*inda] &&
|
|
653 !(state &&
|
|
654 ((bufa[*inda] == '?') ||
|
|
655 (bufa[*inda] == '{')))) {
|
|
656
|
|
657 if (state && (bufa[*inda] == '%' ||
|
|
658 bufa[*inda] == '!' ||
|
|
659 bufa[*inda] == '}')) {
|
|
660 bufc[indc++] = '%';
|
|
661 } else if (bufa[*inda] == '%') {
|
|
662 state = 1;
|
|
663 (*inda)++;
|
|
664 continue;
|
|
665 }
|
|
666 state = 0;
|
|
667 bufc[indc++] = bufa[(*inda)++];
|
|
668 }
|
|
669 bufc[indc] = '\0';
|
|
670
|
|
671 if (bufa[*inda])
|
|
672 (*inda)--;
|
|
673
|
|
674 if (!operation) /* incomplete is truth, just ask Godel */
|
|
675 return (1);
|
|
676
|
|
677 switch (operation) {
|
|
678 case '=': /* character by character equality */
|
|
679 if (indc != indh)
|
|
680 return (0);
|
|
681 for (i = 0; i < indc; i++) {
|
|
682 if (bufc[i] != bufh[i])
|
|
683 return (0);
|
|
684 }
|
|
685 return (1);
|
|
686 break;
|
|
687
|
|
688 case '<':
|
|
689 if (atoi(bufh) < atoi(bufc))
|
|
690 return (1);
|
|
691 else
|
|
692 return (0);
|
|
693 break;
|
|
694
|
|
695 case '>':
|
|
696 if (atoi(bufh) > atoi(bufc))
|
|
697 return (1);
|
|
698 else
|
|
699 return (0);
|
|
700 break;
|
|
701
|
|
702 default:
|
|
703 warning("Bad operation in Macro!");
|
|
704 printf("Unrecognizable operation in macro pass3: %c Trying to continue.\n",
|
|
705 operation);
|
|
706 return (1); /* don't know what happened, pretend we do */
|
|
707 break;
|
|
708 }
|
|
709 }
|
|
710
|
|
711 int
|
|
712 condmacro(bufa, bufb, inda, indb, flag)
|
|
713 char *bufa;
|
|
714 char *bufb;
|
|
715 int *inda;
|
|
716 int *indb;
|
|
717 int flag;
|
|
718 {
|
|
719 int newflag, include;
|
|
720 int state = 0;
|
|
721
|
|
722
|
|
723 if (*indb >= MAXMACLEN)
|
|
724 return 0;
|
|
725
|
|
726 include = flag;
|
|
727
|
|
728 while (bufa[*inda] && (*indb < MAXMACLEN)) {
|
|
729 if (state) {
|
|
730 switch (bufa[(*inda)++]) {
|
|
731 case '}': /* done with this conditional, return */
|
|
732 return (0);
|
|
733 break;
|
|
734
|
|
735 case '{': /* handle new conditional */
|
|
736 if (*indb > 0) {
|
|
737 (*indb)--;
|
|
738 if (bufb[*indb] == '0')
|
|
739 newflag = 0;
|
|
740 else
|
|
741 newflag = 1;
|
|
742 } else /* moron starting with cond, assume true */
|
|
743 newflag = 1;
|
|
744
|
|
745 if (include)
|
|
746 condmacro(bufa, bufb, inda, indb, newflag);
|
|
747 else {
|
|
748 (*indb)++;
|
|
749 *inda = skipmacro(bufa, *inda);
|
|
750 }
|
|
751
|
|
752 state = 0;
|
|
753 continue;
|
|
754 break;
|
|
755
|
|
756 case '!': /* handle not indicator */
|
|
757 if (flag)
|
|
758 include = 0;
|
|
759 else
|
|
760 include = 1;
|
|
761
|
|
762 state = 0;
|
|
763 continue;
|
|
764 break;
|
|
765
|
|
766 case '%': /* push % into buf */
|
|
767 if (include) {
|
|
768 if (*indb < MAXMACLEN) {
|
|
769 bufb[*indb] = '%';
|
|
770 (*indb)++;
|
|
771 } else
|
|
772 return (0);
|
|
773 }
|
|
774 state = 0;
|
|
775 continue;
|
|
776
|
|
777 default:
|
|
778 warning("Bad character in Macro!");
|
|
779 printf("Unrecognizable special character in macro pass4: %c Trying to continue.\n",
|
|
780 bufa[(*inda) - 1]);
|
|
781 }
|
|
782 }
|
|
783 if (bufa[*inda] == '%') {
|
|
784 state++;
|
|
785 (*inda)++;
|
|
786 continue;
|
|
787 }
|
|
788 state = 0;
|
|
789
|
|
790
|
|
791 if (include) {
|
|
792 if (*indb < MAXMACLEN) {
|
|
793 bufb[*indb] = bufa[*inda];
|
|
794 (*inda)++;
|
|
795 (*indb)++;
|
|
796 } else
|
|
797 return (0);
|
|
798 } else
|
|
799 (*inda)++;
|
|
800 }
|
|
801 return (0);
|
|
802 }
|
|
803
|
|
804 int
|
|
805 skipmacro(buf, index)
|
|
806 char buf[];
|
|
807 int index;
|
|
808 {
|
|
809 int state = 0;
|
|
810 int end = 0;
|
|
811
|
|
812 if (index == 0)
|
|
813 index++;
|
|
814
|
|
815 while (buf[index] && !end) {
|
|
816 if (state) {
|
|
817 switch (buf[index++]) {
|
|
818 case '{':
|
|
819 index = skipmacro(buf, index);
|
|
820 continue;
|
|
821 break;
|
|
822 case '}':
|
|
823 end = 1;
|
|
824 continue;
|
|
825 break;
|
|
826 case '!':
|
|
827 case '%':
|
|
828 state = 0;
|
|
829 continue;
|
|
830 break;
|
|
831 default:
|
|
832 warning("Bad character in Macro!");
|
|
833 printf("Unrecognizable special character in macro pass5: %c Trying to continue.\n",
|
|
834 buf[index - 1]);
|
|
835 }
|
|
836 }
|
|
837 if (buf[index] == '%') {
|
|
838 state++;
|
|
839 index++;
|
|
840 continue;
|
|
841 }
|
|
842 state = 0;
|
|
843 index++;
|
|
844 }
|
|
845
|
|
846 return (index);
|
|
847 }
|
|
848
|
|
849
|
|
850 /* return a pointer to a capitalized copy of string s */
|
|
851 char *
|
|
852 strcap(s)
|
|
853 char *s;
|
|
854 {
|
|
855 static char buf[256]; /* returns static */
|
|
856 register char *t = buf;
|
|
857
|
|
858 while (*s) {
|
|
859 if (islower(*s))
|
|
860 *t++ = toupper(*s++);
|
|
861 else
|
|
862 *t++ = *s++;
|
|
863 }
|
|
864 *t = 0;
|
|
865 if (buf[255]) {
|
|
866 fprintf(stderr, "ERROR: String constant overwritten\n");
|
|
867 return NULL;
|
|
868 }
|
|
869 return buf;
|
|
870 }
|