annotate 3rdparty/packages/uucpbb/src/procbatch.c @ 1772:5ba8e711a1a3

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author boisy
date Fri, 01 Apr 2005 22:04:25 +0000
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1 /* procbatch.c Process a batch of news articles.
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2 Copyright (C) 1994 Brad Spencer
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3
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4 This file is part of the OS-9 UUCP package, UUCPbb.
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5
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6 This program is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program; if not, write to the Free Software
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18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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19
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20 The author of UUCPbb, Bob Billson, can be contacted at:
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21 bob@kc2wz.bubble.org or uunet!kc2wz!bob or by snail mail:
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22 21 Bates Way, Westfield, NJ 07090
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23 */
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24
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25 #include "uucp.h"
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26 #include "rnews.h"
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27 #include "mbuf.h"
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28
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29 EXTERN int debuglvl;
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30
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31 QQ flag gotgroup;
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32 QQ char *refline = NULL;
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33
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34 /* Silly, hu.... */
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35 QQ char *junk = "junk";
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36 QQ char *space = " ";
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37
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38 char lbuf[512];
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39
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40 int free();
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41 long xatol();
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42 struct mbuf *mwrite();
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43
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44
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45 int procbatch (fd, initalbuf, gh)
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46 FILE *fd;
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47 char *initalbuf;
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48 struct mbuf *gh;
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49 {
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50 struct mbuf *gg, *mp = NULL, *mh = NULL;
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51 long origlen, length = -1;
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52 char *groupname = NULL;
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53 int rr, r;
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54
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55 while (feof (fd) == 0)
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56 {
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57 if (strncmp (initalbuf, "#! rnews ", 9) != 0)
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58 log ("Not a batch line");
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59
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60 origlen = length = xatol (initalbuf+9);
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61
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62 if (debuglvl > 8)
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63 {
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64 sprintf (lbuf, "loop... %ld", length);
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65 log (lbuf);
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66 }
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67 gotgroup = FALSE;
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68
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69 if (length > 0)
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70 {
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71 if (debuglvl > 5)
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72 {
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73 sprintf (lbuf, "article length: %ld", length);
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74 log (lbuf);
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75 }
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76
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77 while ((length > 0) && (feof(fd) == 0))
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78 {
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79 if (!gotgroup)
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80 r = procnewgroup (fd, initalbuf, mp, mh, groupname);
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81 else
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82 {
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83 if (gotgroup)
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84 procoldgroup (origlen, gh, mp, mh, groupname);
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85
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86 /* Read, either the remaining length or BIGBUF,
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87 whichever fits */
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88
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89 r = (length > BIGBUF) ? BIGBUF : length;
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90
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91 if (debuglvl > 8)
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92 {
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93 sprintf (lbuf, "reading: %d %ld", r, length);
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94 log (lbuf);
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95 }
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96
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97 if ((rr = fread (initalbuf, 1, r, fd)) != r)
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98 log ("procbatch: Read error");
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99
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100 r = rr;
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101
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102 if (debuglvl > 8)
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103 {
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104 sprintf (lbuf, "read: %d %ld", r, length);
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105 log (lbuf);
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106 }
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107
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108 crlf (initalbuf, r);
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109
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110 /* Write the just-read-in block */
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111 for (gg = gh; gg != NULL; gg = gg->mbuf_next)
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112 if (((struct groups *)gg->cbuf)->artfd != NULL)
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113 {
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114 fwrite (initalbuf, 1, r,
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115 ((struct groups *)gg->cbuf)->artfd);
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116 }
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117 }
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118
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119 /* Subtract the amount read */
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120 length -= r;
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121 }
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122
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123 /* Close all the open files */
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124 for (gg = gh; gg != NULL; gg = gg->mbuf_next)
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125 if (((struct groups *)gg->cbuf)->artfd != NULL)
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126 {
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127 fclose (((struct groups *)gg->cbuf)->artfd);
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128 ((struct groups *)gg->cbuf)->artfd = NULL;
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129 }
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130
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131 /* Reset the groupname and refline strings. */
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132 groupname = refline = NULL;
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133
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134 /* Free up the mbuf list, since these mbufs have simple cbufs
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135 then just use 'free' */
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136
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137 if (mh != NULL)
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138 {
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139 mfree (mh, free);
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140 mp = mh = NULL;
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141 }
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142
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143 /* There might be more batches */
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144 if (getline (fd, initalbuf) != -1)
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145 {
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146
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147 /* If something is messed up, then skip until something
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148 sane is found */
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149
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150 if (strncmp (initalbuf, "#! rnews ", 9) != 0)
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151 {
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152 if (debuglvl > 1)
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153 {
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154 strcpy (lbuf, "Mugged article, '");
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155 strncat(lbuf, initalbuf, 20);
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156 log (lbuf);
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157 }
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158
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159 if (resync (fd, initalbuf) == TRUE)
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160 break;
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161 }
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162 }
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163 }
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164 else
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165 {
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166 /* If the length is messed up, then skip until something sane
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167 is found */
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168
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169 if (debuglvl > 1)
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170 {
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171 sprintf (lbuf, "Bad length '%ld'", length);
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172 log (lbuf);
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173 }
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174
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175 if (resync (fd, initalbuf) == TRUE)
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176 break;
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177 }
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178 }
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179 }
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180
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181
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182
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183 int procnewgroup (fd, initalbuf, mp, mh, groupname)
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184 FILE *fd;
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185 char *initalbuf;
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186 struct mbuf *mp, *mh;
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187 char *groupname;
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188 {
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189 int r;
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190
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191 r = getline (fd, initalbuf);
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192
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193 if (debuglvl > 8)
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194 lineis (lbuf, initalbuf);
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195
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196 mp = mwrite (mp, &mh, initalbuf, strlen (initalbuf) + 1);
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197
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198 if (strncmp (mp->cbuf,"Newsgroups: ",12) == 0)
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199 {
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200 groupname = &mp->cbuf[12];
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201
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202 if (debuglvl > 1)
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203 {
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204 sprintf (lbuf, "Newsgroup: %s", groupname);
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205 log (lbuf);
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206 }
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207
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208 if (refline != NULL)
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209 gotgroup = TRUE;
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210 }
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211
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212 /* Bob says that the Reference line shouldn't have tabs in it */
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213 if (strncmp (mp->cbuf, "References: ", 12) == 0)
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214 {
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215 refline = mp->cbuf;
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216 fixref (refline);
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217
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218 if (debuglvl > 2)
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219 {
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220 sprintf (lbuf, "Reference line is: '%s'", refline);
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221 log (lbuf);
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222 }
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223
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224 if (groupname != NULL)
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225 gotgroup = TRUE;
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226 }
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227
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228 if (mp->cbuf[0] == '\0')
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229 {
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230 if (groupname == NULL)
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231 {
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232 if (debuglvl > 1)
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233 log ("No newsgroup given, junking article");
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234
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235 groupname = junk;
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236 }
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237 gotgroup = TRUE;
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238 }
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239 return (r);
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240 }
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241
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242
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243
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244 int procoldgroup (origlength, gh, mp, mh, groupname)
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245 long origlength;
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246 struct mbuf *gh, *mp, *mh;
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247 char *groupname;
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248 {
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249 register struct mbuf *gg;
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250
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251 openarts (gh, groupname);
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252
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253 /* See note in procart.c */
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254 if ((origlength - 1) > 0)
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255 for (gg = gh; gg != NULL; gg = gg->mbuf_next)
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256 if (((struct groups *)gg->cbuf)->artfd != NULL)
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257 {
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258 if (lseek (fileno (((struct groups *)gg->cbuf)->artfd),
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259 origlength - 1, 0) == -1)
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260 {
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261 sprintf (lbuf, "Couldn't seek %ld %d",
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262 origlength-1, errno);
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263 log (lbuf);
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264 }
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265 write (fileno (((struct groups *) gg->cbuf)->artfd),
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266 space, 1);
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267
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268 if (lseek (fileno (((struct groups *)gg->cbuf)->artfd),
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269 0l, 0) == -1)
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270 {
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271 sprintf (lbuf, "Couldn't seek back %ld %d",
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272 origlength, errno);
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273 log (lbuf);
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274 }
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275 }
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276
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277 for (gg = gh; gg != NULL; gg = gg->mbuf_next)
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278 if (((struct groups *)gg->cbuf)->artfd != NULL)
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279 for (mp = mh; mp != NULL; mp = mp->mbuf_next)
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280 fprintf (((struct groups *)gg->cbuf)->artfd,
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281 "%s\n", mp->cbuf);
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282 gotgroup = TRUE;
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283 }
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284
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285
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286
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287 /* We hit a bad length. Try to get things back in sync. Return TRUE if we
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288 succeed. Return FALSE on EOF. */
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289
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290 int resync (fd, initalbuf)
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291 FILE *fd;
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292 char *initalbuf;
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293 {
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294 while (getline (fd, initalbuf) != -1)
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295 if (strncmp (initalbuf, "#! rnews ", 9) == 0)
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296 return (TRUE);
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297 else if (debuglvl > 5)
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298 {
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299 strncat (strcpy (lbuf, "skip.... '"), initalbuf, 20);
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300 log (lbuf);
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301 }
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302 return (FALSE);
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303 }
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304
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305
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306
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307 /* Change all the line feeds to carrage returns. */
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308
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309 int crlf (s, len)
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310 char *s;
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311 int len;
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312 {
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313 register char *bscan;
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314
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315 for (bscan = s + len; --bscan >= s; )
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316 if (*bscan == '\x0A')
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317 *bscan = '\x0D';
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318 }