11 | 12 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,418 @@ |
1 |
+ |
|
2 |
+/* test program -> switch speed */ |
|
3 |
+ |
|
4 |
+ |
|
5 |
+/* parsing: compact form: |
|
6 |
+ * Via: v: |
|
7 |
+ * From: f: |
|
8 |
+ * To: t: |
|
9 |
+ * Cseq: n/a |
|
10 |
+ * Call-ID: i: |
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11 |
+ * Contact: m: |
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12 |
+ * Max-Forwards: n/a |
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13 |
+ * Route: n/a |
|
14 |
+ */ |
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15 |
+ |
|
16 |
+enum { INITIAL=0, |
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17 |
+ VIA1, VIA2, |
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18 |
+ FROM1, FROM2, FROM3, |
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19 |
+ TO1, |
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+ C_START, CSEQ2, CSEQ3, |
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+ CALLID2, CALLID3, CALLID4, CALLID5, CALLID6, |
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22 |
+ CONTACT2, CONTACT3, CONTACT4, CONTACT5, CONTACT6, |
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+ M_START, MAXFORWARDS2, MAXFORWARDS3, MAXFORWARDS4, MAXFORWARDS5, |
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+ MAXFORWARDS6, MAXFORWARDS7, MAXFORWARDS8, MAXFORWARDS9, MAXFORWARDS10, |
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+ MAXFORWARDS11, |
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+ ROUTE1, ROUTE2, ROUTE3, ROUTE4, |
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27 |
+ /* final states*/ |
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28 |
+ F_VIA=1000, F_FROM, F_TO, F_CSEQ, F_CALLID, F_CONTACT, F_MAXFORWARDS, |
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+ F_ROUTE, |
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30 |
+ I_START, |
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31 |
+ |
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32 |
+ UNKNOWN_HEADER=200, |
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+ BODY=220, |
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+ LF=25000, |
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35 |
+ }; |
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+ |
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37 |
+#include <stdio.h> |
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38 |
+ |
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39 |
+int main(int argc, char** argv) |
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40 |
+{ |
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41 |
+ |
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42 |
+ char* t; |
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43 |
+ register int state; |
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44 |
+ int i; |
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45 |
+ int err; |
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46 |
+ err=0; |
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47 |
+ |
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48 |
+ state=INITIAL; |
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49 |
+ printf(" %s (%d)\n", argv[0], argc); |
|
50 |
+ if (argc<2){ |
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51 |
+ fprintf(stderr, " no parameters\n"); |
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52 |
+ exit(-1); |
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53 |
+ } |
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54 |
+ |
|
55 |
+ for (i=0;i<10000000;i++){ |
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56 |
+ |
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57 |
+ for(t=argv[1];*t;t++){ |
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58 |
+ switch(*t){ |
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59 |
+ case 'V': |
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60 |
+ case 'v': |
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61 |
+ switch(state){ |
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62 |
+ case INITIAL: |
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63 |
+ state=VIA1; |
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64 |
+ break; |
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65 |
+ case UNKNOWN_HEADER: break; |
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66 |
+ default: |
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67 |
+ state=UNKNOWN_HEADER; |
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68 |
+ } |
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69 |
+ break; |
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70 |
+ case 'I': |
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71 |
+ case 'i': |
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72 |
+ switch(state){ |
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73 |
+ case VIA1: |
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74 |
+ state=VIA2; |
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75 |
+ break; |
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76 |
+ case CALLID5: |
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77 |
+ state=CALLID6; |
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78 |
+ break; |
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79 |
+ case INITIAL: |
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80 |
+ state=I_START; |
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81 |
+ break; |
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82 |
+ case UNKNOWN_HEADER: break; |
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83 |
+ default: |
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84 |
+ state=UNKNOWN_HEADER; |
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85 |
+ } |
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86 |
+ break; |
|
87 |
+ case 'A': |
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88 |
+ case 'a': |
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89 |
+ switch(state){ |
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90 |
+ case VIA2: |
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91 |
+ state=F_VIA; |
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92 |
+ break; |
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93 |
+ case C_START: /*CALLID1*/ |
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94 |
+ state=CALLID2; |
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95 |
+ break; |
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96 |
+ case CONTACT4: |
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97 |
+ state=CONTACT5; |
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98 |
+ break; |
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99 |
+ case M_START: |
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100 |
+ state=MAXFORWARDS2; |
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101 |
+ break; |
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102 |
+ case MAXFORWARDS8: |
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103 |
+ state=MAXFORWARDS9; |
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104 |
+ break; |
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105 |
+ case UNKNOWN_HEADER: break; |
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106 |
+ default: |
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107 |
+ state=UNKNOWN_HEADER; |
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108 |
+ } |
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109 |
+ break; |
|
110 |
+ case 'F': |
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111 |
+ case 'f': |
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112 |
+ switch(state){ |
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113 |
+ case INITIAL: |
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114 |
+ state=FROM1; |
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115 |
+ break; |
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116 |
+ case MAXFORWARDS4: |
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117 |
+ state=MAXFORWARDS5; |
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118 |
+ break; |
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119 |
+ case UNKNOWN_HEADER: break; |
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120 |
+ default: |
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121 |
+ state=UNKNOWN_HEADER; |
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122 |
+ } |
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123 |
+ break; |
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124 |
+ case 'R': |
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125 |
+ case 'r': |
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126 |
+ switch(state){ |
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127 |
+ case INITIAL: |
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128 |
+ state=ROUTE1; |
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129 |
+ break; |
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130 |
+ case FROM1: |
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131 |
+ state=FROM2; |
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132 |
+ break; |
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133 |
+ case MAXFORWARDS6: |
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134 |
+ state=MAXFORWARDS7; |
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135 |
+ break; |
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136 |
+ case MAXFORWARDS9: |
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137 |
+ state=MAXFORWARDS10; |
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138 |
+ break; |
|
139 |
+ case UNKNOWN_HEADER: break; |
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140 |
+ default: |
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141 |
+ state=UNKNOWN_HEADER; |
|
142 |
+ } |
|
143 |
+ break; |
|
144 |
+ case 'O': |
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145 |
+ case 'o': |
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146 |
+ switch(state){ |
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147 |
+ case FROM2: |
|
148 |
+ state=FROM3; |
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149 |
+ break; |
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150 |
+ case TO1: |
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151 |
+ state=F_TO; |
|
152 |
+ break; |
|
153 |
+ case C_START: /*CONTACT1 */ |
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154 |
+ state=CONTACT2; |
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155 |
+ break; |
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156 |
+ case ROUTE1: |
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157 |
+ state=ROUTE2; |
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158 |
+ break; |
|
159 |
+ case MAXFORWARDS5: |
|
160 |
+ state=MAXFORWARDS6; |
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161 |
+ break; |
|
162 |
+ case UNKNOWN_HEADER: break; |
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163 |
+ default: |
|
164 |
+ state=UNKNOWN_HEADER; |
|
165 |
+ } |
|
166 |
+ break; |
|
167 |
+ case 'M': |
|
168 |
+ case 'm': |
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169 |
+ switch(state){ |
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170 |
+ case INITIAL: |
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171 |
+ state=M_START; |
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172 |
+ break; |
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173 |
+ case FROM3: |
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174 |
+ state=F_FROM; |
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175 |
+ break; |
|
176 |
+ case UNKNOWN_HEADER: break; |
|
177 |
+ default: |
|
178 |
+ state=UNKNOWN_HEADER; |
|
179 |
+ } |
|
180 |
+ break; |
|
181 |
+ case 'T': |
|
182 |
+ case 't': |
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183 |
+ switch(state){ |
|
184 |
+ case INITIAL: |
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185 |
+ state=TO1; |
|
186 |
+ break; |
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187 |
+ case CONTACT3: |
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188 |
+ state=CONTACT4; |
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189 |
+ break; |
|
190 |
+ case CONTACT6: |
|
191 |
+ state=F_CONTACT; |
|
192 |
+ break; |
|
193 |
+ case ROUTE3: |
|
194 |
+ state=ROUTE4; |
|
195 |
+ break; |
|
196 |
+ case UNKNOWN_HEADER: break; |
|
197 |
+ default: |
|
198 |
+ state=UNKNOWN_HEADER; |
|
199 |
+ } |
|
200 |
+ break; |
|
201 |
+ case 'C': |
|
202 |
+ case 'c': |
|
203 |
+ switch(state){ |
|
204 |
+ case INITIAL: |
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205 |
+ state=C_START; |
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206 |
+ break; |
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207 |
+ case CONTACT5: |
|
208 |
+ state=CONTACT6; |
|
209 |
+ break; |
|
210 |
+ case UNKNOWN_HEADER: break; |
|
211 |
+ default: |
|
212 |
+ state=UNKNOWN_HEADER; |
|
213 |
+ } |
|
214 |
+ break; |
|
215 |
+ case 'S': |
|
216 |
+ case 's': |
|
217 |
+ switch(state){ |
|
218 |
+ case C_START: |
|
219 |
+ state=CSEQ2; |
|
220 |
+ break; |
|
221 |
+ case MAXFORWARDS11: |
|
222 |
+ state=F_MAXFORWARDS; |
|
223 |
+ break; |
|
224 |
+ case UNKNOWN_HEADER: break; |
|
225 |
+ default: |
|
226 |
+ state=UNKNOWN_HEADER; |
|
227 |
+ } |
|
228 |
+ break; |
|
229 |
+ case 'E': |
|
230 |
+ case 'e': |
|
231 |
+ switch(state){ |
|
232 |
+ case CSEQ2: |
|
233 |
+ state=CSEQ3; |
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234 |
+ break; |
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235 |
+ case ROUTE4: |
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236 |
+ state=F_ROUTE; |
|
237 |
+ break; |
|
238 |
+ case UNKNOWN_HEADER: break; |
|
239 |
+ default: |
|
240 |
+ state=UNKNOWN_HEADER; |
|
241 |
+ } |
|
242 |
+ break; |
|
243 |
+ case 'Q': |
|
244 |
+ case 'q': |
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245 |
+ switch(state){ |
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246 |
+ case CSEQ3: |
|
247 |
+ state=F_CSEQ; |
|
248 |
+ break; |
|
249 |
+ case UNKNOWN_HEADER: break; |
|
250 |
+ default: |
|
251 |
+ state=UNKNOWN_HEADER; |
|
252 |
+ } |
|
253 |
+ break; |
|
254 |
+ case 'L': |
|
255 |
+ case 'l': |
|
256 |
+ switch(state){ |
|
257 |
+ case CALLID2: |
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258 |
+ state=CALLID3; |
|
259 |
+ break; |
|
260 |
+ case CALLID3: |
|
261 |
+ state=CALLID4; |
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262 |
+ break; |
|
263 |
+ case UNKNOWN_HEADER: break; |
|
264 |
+ default: |
|
265 |
+ state=UNKNOWN_HEADER; |
|
266 |
+ } |
|
267 |
+ break; |
|
268 |
+ case 'D': |
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269 |
+ case 'd': |
|
270 |
+ switch(state){ |
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271 |
+ case CALLID6: |
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272 |
+ state=F_CALLID; |
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273 |
+ break; |
|
274 |
+ case MAXFORWARDS10: |
|
275 |
+ state=MAXFORWARDS11; |
|
276 |
+ break; |
|
277 |
+ case UNKNOWN_HEADER: break; |
|
278 |
+ default: |
|
279 |
+ state=UNKNOWN_HEADER; |
|
280 |
+ } |
|
281 |
+ break; |
|
282 |
+ case 'N': |
|
283 |
+ case 'n': |
|
284 |
+ switch(state){ |
|
285 |
+ case CONTACT2: |
|
286 |
+ state=CONTACT3; |
|
287 |
+ break; |
|
288 |
+ case UNKNOWN_HEADER: break; |
|
289 |
+ default: |
|
290 |
+ state=UNKNOWN_HEADER; |
|
291 |
+ } |
|
292 |
+ break; |
|
293 |
+ case 'X': |
|
294 |
+ case 'x': |
|
295 |
+ switch(state){ |
|
296 |
+ case MAXFORWARDS2: |
|
297 |
+ state=MAXFORWARDS3; |
|
298 |
+ break; |
|
299 |
+ case UNKNOWN_HEADER: break; |
|
300 |
+ default: |
|
301 |
+ state=UNKNOWN_HEADER; |
|
302 |
+ } |
|
303 |
+ break; |
|
304 |
+ case '-': |
|
305 |
+ switch(state){ |
|
306 |
+ case CALLID4: |
|
307 |
+ state=CALLID5; |
|
308 |
+ break; |
|
309 |
+ case MAXFORWARDS3: |
|
310 |
+ state=MAXFORWARDS4; |
|
311 |
+ break; |
|
312 |
+ case UNKNOWN_HEADER: break; |
|
313 |
+ default: |
|
314 |
+ state=UNKNOWN_HEADER; |
|
315 |
+ } |
|
316 |
+ break; |
|
317 |
+ case 'W': |
|
318 |
+ case 'w': |
|
319 |
+ switch(state){ |
|
320 |
+ case MAXFORWARDS7: |
|
321 |
+ state=MAXFORWARDS8; |
|
322 |
+ break; |
|
323 |
+ case UNKNOWN_HEADER: break; |
|
324 |
+ default: |
|
325 |
+ state=UNKNOWN_HEADER; |
|
326 |
+ } |
|
327 |
+ break; |
|
328 |
+ case 'U': |
|
329 |
+ case 'u': |
|
330 |
+ switch(state){ |
|
331 |
+ case ROUTE2: |
|
332 |
+ state=ROUTE3; |
|
333 |
+ break; |
|
334 |
+ case UNKNOWN_HEADER: break; |
|
335 |
+ default: |
|
336 |
+ state=UNKNOWN_HEADER; |
|
337 |
+ } |
|
338 |
+ break; |
|
339 |
+ case ' ': |
|
340 |
+ switch(state){ |
|
341 |
+ case INITIAL: |
|
342 |
+ break; /*eat space */ |
|
343 |
+ case F_VIA: |
|
344 |
+ case F_FROM: |
|
345 |
+ case F_TO: |
|
346 |
+ case F_CSEQ: |
|
347 |
+ case F_CALLID: |
|
348 |
+ case F_CONTACT: |
|
349 |
+ case F_MAXFORWARDS: |
|
350 |
+ case F_ROUTE: |
|
351 |
+ break; /* eat trailing space*/ |
|
352 |
+ case VIA1: |
|
353 |
+ /*compact form: v: */ |
|
354 |
+ state=F_VIA; |
|
355 |
+ break; |
|
356 |
+ case FROM1: |
|
357 |
+ /*compact form f:*/ |
|
358 |
+ state=F_FROM; |
|
359 |
+ break; |
|
360 |
+ case TO1: |
|
361 |
+ /*compact form t:*/ |
|
362 |
+ state=F_TO; |
|
363 |
+ break; |
|
364 |
+ case I_START: |
|
365 |
+ /*compact form i: (Call-ID)*/ |
|
366 |
+ state=F_CALLID; |
|
367 |
+ break; |
|
368 |
+ case M_START: |
|
369 |
+ /*compact form m: (Contact)*/ |
|
370 |
+ state=F_CONTACT; |
|
371 |
+ break; |
|
372 |
+ case UNKNOWN_HEADER: break; |
|
373 |
+ default: |
|
374 |
+ state=UNKNOWN_HEADER; |
|
375 |
+ } |
|
376 |
+ break; |
|
377 |
+ case ':': |
|
378 |
+ switch(state){ |
|
379 |
+ case F_VIA: |
|
380 |
+ case VIA1: /* compact form*/ |
|
381 |
+ case F_FROM: |
|
382 |
+ case FROM1: /*compact form*/ |
|
383 |
+ case F_TO: |
|
384 |
+ case TO1: /*compact form*/ |
|
385 |
+ case F_CSEQ: |
|
386 |
+ case F_CALLID: |
|
387 |
+ case I_START: /*compact form*/ |
|
388 |
+ case F_CONTACT: |
|
389 |
+ case M_START: /*compact form*/ |
|
390 |
+ case F_MAXFORWARDS: |
|
391 |
+ case F_ROUTE: |
|
392 |
+ // printf("found header, state=%d\n", state); |
|
393 |
+ state=INITIAL; /* reset to test*/ |
|
394 |
+ break; |
|
395 |
+ case UNKNOWN_HEADER: |
|
396 |
+ default: |
|
397 |
+ /*printf("found unkown header, state=%d\n", |
|
398 |
+ state);*/ |
|
399 |
+ err=1; |
|
400 |
+ state=INITIAL; |
|
401 |
+ } |
|
402 |
+ break; |
|
403 |
+ default: |
|
404 |
+ /*fprintf(stderr, "Unexpected char <%c> encountered" |
|
405 |
+ " state=%d\n", *t, state); |
|
406 |
+ exit(-1);*/ |
|
407 |
+ state=UNKNOWN_HEADER; |
|
408 |
+ } |
|
409 |
+ } |
|
410 |
+ |
|
411 |
+ } //for i |
|
412 |
+ if (err) printf("Error unknown header\n"); |
|
413 |
+ printf("final state=%d\n", state); |
|
414 |
+ |
|
415 |
+ exit(0); |
|
416 |
+ |
|
417 |
+} |
|
418 |
+ |
0 | 419 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,413 @@ |
1 |
+ |
|
2 |
+/* test program -> via parse */ |
|
3 |
+ |
|
4 |
+ |
|
5 |
+/* parsing: compact form: |
|
6 |
+ */ |
|
7 |
+ |
|
8 |
+/* |
|
9 |
+ * still TODO/test: |
|
10 |
+ * - parse next via |
|
11 |
+ * - return a list of header structs |
|
12 |
+ * - '[' ']' ipv6 parsing! |
|
13 |
+ * - return list of params |
|
14 |
+ * - test ^\s...' |
|
15 |
+ * - add support for parsing via front (SIP/2.0/UDP) |
|
16 |
+ */ |
|
17 |
+ |
|
18 |
+#include <stdio.h> |
|
19 |
+ |
|
20 |
+enum{ F_HOST, P_HOST, |
|
21 |
+ L_PORT, F_PORT, P_PORT, |
|
22 |
+ L_PARAM, F_PARAM, P_PARAM, |
|
23 |
+ L_VIA, F_VIA, |
|
24 |
+ F_COMMENT, P_COMMENT, |
|
25 |
+ F_CRLF, |
|
26 |
+ F_LF |
|
27 |
+ }; |
|
28 |
+ |
|
29 |
+#define LOG(lev, fmt, args...) fprintf(stderr, fmt, ## args) |
|
30 |
+ |
|
31 |
+int main(int argc, char** argv) |
|
32 |
+{ |
|
33 |
+ |
|
34 |
+ char* tmp; |
|
35 |
+ register int state; |
|
36 |
+ int saved_state; |
|
37 |
+ int c_nest; |
|
38 |
+ int i; |
|
39 |
+ int port; |
|
40 |
+ char* host; |
|
41 |
+ char* port_str; |
|
42 |
+ char* param; |
|
43 |
+ char* comment; |
|
44 |
+ char* next_via; |
|
45 |
+ |
|
46 |
+ host=port_str=param=comment=next_via=0; |
|
47 |
+ |
|
48 |
+ printf(" %s (%d)\n", argv[0], argc); |
|
49 |
+ if (argc<2){ |
|
50 |
+ fprintf(stderr, " no parameters\n"); |
|
51 |
+ exit(-1); |
|
52 |
+ } |
|
53 |
+ |
|
54 |
+ |
|
55 |
+ c_nest=0; |
|
56 |
+ state=F_HOST; |
|
57 |
+ for(tmp=argv[1];*tmp;tmp++){ |
|
58 |
+ switch(*tmp){ |
|
59 |
+ case ' ': |
|
60 |
+ switch(state){ |
|
61 |
+ case F_HOST:/*eat the spaces*/ |
|
62 |
+ break; |
|
63 |
+ case P_HOST: |
|
64 |
+ *tmp=0;/*mark end of host*/ |
|
65 |
+ state=L_PORT; |
|
66 |
+ break; |
|
67 |
+ case L_PORT: /*eat the spaces*/ |
|
68 |
+ case F_PORT: |
|
69 |
+ break; |
|
70 |
+ case P_PORT: |
|
71 |
+ *tmp=0; /*end of port */ |
|
72 |
+ state=L_PARAM; |
|
73 |
+ break; |
|
74 |
+ case L_PARAM: /* eat the space */ |
|
75 |
+ case F_PARAM: |
|
76 |
+ break; |
|
77 |
+ case P_PARAM: |
|
78 |
+ /* *tmp=0;*/ /*!?end of param*/ |
|
79 |
+ state=L_PARAM; |
|
80 |
+ break; |
|
81 |
+ case L_VIA: |
|
82 |
+ case F_VIA: /* eat the space */ |
|
83 |
+ break; |
|
84 |
+ case F_COMMENT: |
|
85 |
+ case P_COMMENT: |
|
86 |
+ break; |
|
87 |
+ case F_CRLF: |
|
88 |
+ case F_LF: |
|
89 |
+ /*previous=crlf and now =' '*/ |
|
90 |
+ state=saved_state; |
|
91 |
+ break; |
|
92 |
+ default: |
|
93 |
+ LOG(L_CRIT,"BUG: parse_via" |
|
94 |
+ " on <%c>\n",*tmp); |
|
95 |
+ goto error; |
|
96 |
+ } |
|
97 |
+ break; |
|
98 |
+ case '\n': |
|
99 |
+ switch(state){ |
|
100 |
+ case F_HOST:/*eat the spaces*/ |
|
101 |
+ case L_PORT: /*eat the spaces*/ |
|
102 |
+ case F_PORT: |
|
103 |
+ case L_PARAM: /* eat the space */ |
|
104 |
+ case F_PARAM: |
|
105 |
+ case F_VIA: /* eat the space */ |
|
106 |
+ case L_VIA: |
|
107 |
+ case F_COMMENT: |
|
108 |
+ case P_COMMENT: |
|
109 |
+ saved_state=state; |
|
110 |
+ state=F_LF; |
|
111 |
+ break; |
|
112 |
+ case P_HOST: |
|
113 |
+ *tmp=0;/*mark end of host*/ |
|
114 |
+ saved_state=L_PORT; |
|
115 |
+ state=F_LF; |
|
116 |
+ break; |
|
117 |
+ case P_PORT: |
|
118 |
+ *tmp=0; /*end of port */ |
|
119 |
+ saved_state=L_PARAM; |
|
120 |
+ state=F_LF; |
|
121 |
+ break; |
|
122 |
+ case P_PARAM: |
|
123 |
+ /* *tmp=0;*/ /*!?end of param*/ |
|
124 |
+ saved_state=L_PARAM; |
|
125 |
+ state=F_LF; |
|
126 |
+ break; |
|
127 |
+ default: |
|
128 |
+ LOG(L_CRIT,"BUG: parse_via" |
|
129 |
+ " on <%c>\n",*tmp); |
|
130 |
+ goto error; |
|
131 |
+ } |
|
132 |
+ break; |
|
133 |
+ case ':': |
|
134 |
+ switch(state){ |
|
135 |
+ case F_HOST: |
|
136 |
+ LOG(L_ERR,"ERROR:parse_via:" |
|
137 |
+ " no host found\n"); |
|
138 |
+ goto error; |
|
139 |
+ case P_HOST: |
|
140 |
+ *tmp=0; /*mark end of host*/ |
|
141 |
+ state=F_PORT; |
|
142 |
+ break; |
|
143 |
+ case L_PORT: |
|
144 |
+ state=F_PORT; |
|
145 |
+ break; |
|
146 |
+ case P_PORT: |
|
147 |
+ LOG(L_ERR, "ERROR:parse_via:" |
|
148 |
+ " bad port\n"); |
|
149 |
+ goto error; |
|
150 |
+ case L_PARAM: |
|
151 |
+ case F_PARAM: |
|
152 |
+ case P_PARAM: |
|
153 |
+ case F_COMMENT: |
|
154 |
+ case P_COMMENT: |
|
155 |
+ LOG(L_ERR, "ERROR:parse_via:" |
|
156 |
+ " bad char <%c> in state %d\n", |
|
157 |
+ *tmp,state); |
|
158 |
+ goto error; |
|
159 |
+ case L_VIA: |
|
160 |
+ case F_VIA: |
|
161 |
+ LOG(L_ERR, "ERROR:parse_via:" |
|
162 |
+ " bad char in compact via\n"); |
|
163 |
+ goto error; |
|
164 |
+ case F_CRLF: |
|
165 |
+ case F_LF: |
|
166 |
+ /*previous=crlf and now !=' '*/ |
|
167 |
+ goto endofheader; |
|
168 |
+ default: |
|
169 |
+ LOG(L_CRIT,"BUG: parse_via" |
|
170 |
+ " on <%c> state %d\n", |
|
171 |
+ *tmp, state); |
|
172 |
+ goto error; |
|
173 |
+ } |
|
174 |
+ break; |
|
175 |
+ case ';': |
|
176 |
+ switch(state){ |
|
177 |
+ case F_HOST: |
|
178 |
+ LOG(L_ERR,"ERROR:parse_via:" |
|
179 |
+ " no host found\n"); |
|
180 |
+ goto error; |
|
181 |
+ case P_HOST: |
|
182 |
+ case P_PORT: |
|
183 |
+ *tmp=0; /*mark the end*/ |
|
184 |
+ case L_PORT: |
|
185 |
+ case L_PARAM: |
|
186 |
+ state=F_PARAM; |
|
187 |
+ break; |
|
188 |
+ case F_PORT: |
|
189 |
+ case F_COMMENT: |
|
190 |
+ case P_COMMENT: |
|
191 |
+ LOG(L_ERR, "ERROR:parse_via:" |
|
192 |
+ " bad char <%c> in state %d\n", |
|
193 |
+ *tmp,state); |
|
194 |
+ goto error; |
|
195 |
+ case F_PARAM: |
|
196 |
+ LOG(L_ERR, "ERROR:parse_via:" |
|
197 |
+ " null param?\n"); |
|
198 |
+ goto error; |
|
199 |
+ case P_PARAM: |
|
200 |
+ /*hmm next, param?*/ |
|
201 |
+ state=F_PARAM; |
|
202 |
+ break; |
|
203 |
+ case L_VIA: |
|
204 |
+ case F_VIA: |
|
205 |
+ LOG(L_ERR, "ERROR:parse_via:" |
|
206 |
+ " bad char <%c> in next via\n", |
|
207 |
+ *tmp); |
|
208 |
+ goto error; |
|
209 |
+ case F_CRLF: |
|
210 |
+ case F_LF: |
|
211 |
+ /*previous=crlf and now !=' '*/ |
|
212 |
+ goto endofheader; |
|
213 |
+ |
|
214 |
+ default: |
|
215 |
+ LOG(L_CRIT,"BUG: parse_via" |
|
216 |
+ " on <%c> state %d\n", |
|
217 |
+ *tmp, state); |
|
218 |
+ goto error; |
|
219 |
+ } |
|
220 |
+ break; |
|
221 |
+ case ',': |
|
222 |
+ switch(state){ |
|
223 |
+ case F_HOST: |
|
224 |
+ LOG(L_ERR,"ERROR:parse_via:" |
|
225 |
+ " no host found\n"); |
|
226 |
+ goto error; |
|
227 |
+ case P_HOST: |
|
228 |
+ case P_PORT: |
|
229 |
+ *tmp=0; /*mark the end*/ |
|
230 |
+ case L_PORT: |
|
231 |
+ case L_PARAM: |
|
232 |
+ case P_PARAM: |
|
233 |
+ case L_VIA: |
|
234 |
+ state=F_VIA; |
|
235 |
+ break; |
|
236 |
+ case F_PORT: |
|
237 |
+ case F_PARAM: |
|
238 |
+ case F_COMMENT: |
|
239 |
+ case P_COMMENT: |
|
240 |
+ LOG(L_ERR, "ERROR:parse_via:" |
|
241 |
+ " invalid char <%c> in state" |
|
242 |
+ " %d\n", *tmp,state); |
|
243 |
+ goto error; |
|
244 |
+ case F_VIA: |
|
245 |
+ /* do nothing, eat ","*/ |
|
246 |
+ break; |
|
247 |
+ case F_CRLF: |
|
248 |
+ case F_LF: |
|
249 |
+ /*previous=crlf and now !=' '*/ |
|
250 |
+ goto endofheader; |
|
251 |
+ default: |
|
252 |
+ LOG(L_CRIT,"BUG: parse_via" |
|
253 |
+ " on <%c> state %d\n", |
|
254 |
+ *tmp, state); |
|
255 |
+ goto error; |
|
256 |
+ } |
|
257 |
+ break; |
|
258 |
+ case '(': |
|
259 |
+ switch(state){ |
|
260 |
+ case F_HOST: |
|
261 |
+ case F_PORT: |
|
262 |
+ case F_PARAM: |
|
263 |
+ case F_VIA: |
|
264 |
+ LOG(_ERR,"ERROR:parse_via" |
|
265 |
+ " on <%c> state %d\n", |
|
266 |
+ *tmp, state); |
|
267 |
+ goto error; |
|
268 |
+ case P_HOST: |
|
269 |
+ case P_PORT: |
|
270 |
+ case P_PARAM: |
|
271 |
+ *tmp=0; /*mark the end*/ |
|
272 |
+ case L_PORT: |
|
273 |
+ case L_PARAM: |
|
274 |
+ case L_VIA: |
|
275 |
+ state=F_COMMENT; |
|
276 |
+ c_nest++; |
|
277 |
+ printf("found '(', state=%d, c_nest=%d\n", |
|
278 |
+ state, c_nest); |
|
279 |
+ *tmp=0; |
|
280 |
+ break; |
|
281 |
+ case P_COMMENT: |
|
282 |
+ case F_COMMENT: |
|
283 |
+ c_nest++; |
|
284 |
+ break; |
|
285 |
+ case F_CRLF: |
|
286 |
+ case F_LF: |
|
287 |
+ /*previous=crlf and now !=' '*/ |
|
288 |
+ goto endofheader; |
|
289 |
+ default: |
|
290 |
+ LOG(L_CRIT,"BUG: parse_via" |
|
291 |
+ " on <%c> state %d\n", |
|
292 |
+ *tmp, state); |
|
293 |
+ goto error; |
|
294 |
+ } |
|
295 |
+ break; |
|
296 |
+ case ')': |
|
297 |
+ switch(state){ |
|
298 |
+ case F_COMMENT: |
|
299 |
+ case P_COMMENT: |
|
300 |
+ if (c_nest){ |
|
301 |
+ c_nest--; |
|
302 |
+ if(c_nest==0){ |
|
303 |
+ state=L_VIA; |
|
304 |
+ *tmp=0; |
|
305 |
+ printf("out of comment\n"); |
|
306 |
+ break; |
|
307 |
+ } |
|
308 |
+ }else{ |
|
309 |
+ LOG(L_ERR,"ERROR:" |
|
310 |
+ "parse_via: " |
|
311 |
+ "missing '(' - " |
|
312 |
+ "nesting = %d\n", |
|
313 |
+ c_nest); |
|
314 |
+ goto error; |
|
315 |
+ } |
|
316 |
+ break; |
|
317 |
+ case F_HOST: |
|
318 |
+ case F_PORT: |
|
319 |
+ case F_PARAM: |
|
320 |
+ case F_VIA: |
|
321 |
+ case P_HOST: |
|
322 |
+ case P_PORT: |
|
323 |
+ case P_PARAM: |
|
324 |
+ case L_PORT: |
|
325 |
+ case L_PARAM: |
|
326 |
+ case L_VIA: |
|
327 |
+ LOG(L_ERR,"ERROR:parse_via" |
|
328 |
+ " on <%c> state %d\n", |
|
329 |
+ *tmp, state); |
|
330 |
+ goto error; |
|
331 |
+ case F_CRLF: |
|
332 |
+ case F_LF: |
|
333 |
+ /*previous=crlf and now !=' '*/ |
|
334 |
+ goto endofheader; |
|
335 |
+ default: |
|
336 |
+ LOG(L_CRIT,"BUG: parse_via" |
|
337 |
+ " on <%c> state %d\n", |
|
338 |
+ *tmp, state); |
|
339 |
+ goto error; |
|
340 |
+ } |
|
341 |
+ break; |
|
342 |
+ default: |
|
343 |
+ switch(state){ |
|
344 |
+ case F_HOST: |
|
345 |
+ state=P_HOST; |
|
346 |
+ host=tmp; |
|
347 |
+ break; |
|
348 |
+ case P_HOST: |
|
349 |
+ break; |
|
350 |
+ case F_PORT: |
|
351 |
+ state=P_PORT; |
|
352 |
+ port_str=tmp; |
|
353 |
+ break; |
|
354 |
+ case P_PORT: |
|
355 |
+ /*check if number?*/ |
|
356 |
+ break; |
|
357 |
+ case F_PARAM: |
|
358 |
+ state=P_PARAM; |
|
359 |
+ param=tmp; |
|
360 |
+ break; |
|
361 |
+ case P_PARAM: |
|
362 |
+ break; |
|
363 |
+ case F_VIA: |
|
364 |
+ next_via=tmp; |
|
365 |
+ printf("found new via on <%c>\n", *tmp); |
|
366 |
+ goto skip; |
|
367 |
+ case L_PORT: |
|
368 |
+ case L_PARAM: |
|
369 |
+ case L_VIA: |
|
370 |
+ LOG(L_ERR,"ERROR:parse_via" |
|
371 |
+ " on <%c> state %d (default)\n", |
|
372 |
+ *tmp, state); |
|
373 |
+ goto error; |
|
374 |
+ case F_COMMENT: |
|
375 |
+ printf("starting comment parsing on %c \n",*tmp); |
|
376 |
+ state=P_COMMENT; |
|
377 |
+ comment=tmp; |
|
378 |
+ break; |
|
379 |
+ case P_COMMENT: |
|
380 |
+ break; |
|
381 |
+ case F_CRLF: |
|
382 |
+ case F_LF: |
|
383 |
+ /*previous=crlf and now !=' '*/ |
|
384 |
+ goto endofheader; |
|
385 |
+ default: |
|
386 |
+ LOG(L_ERR, "BUG:parse_via:" |
|
387 |
+ " invalid char <%c>" |
|
388 |
+ " in state %d\n", |
|
389 |
+ *tmp, state); |
|
390 |
+ goto error; |
|
391 |
+ } |
|
392 |
+ |
|
393 |
+ |
|
394 |
+ } |
|
395 |
+ } |
|
396 |
+goto endofheader; |
|
397 |
+error: |
|
398 |
+ fprintf(stderr, "error\n"); |
|
399 |
+ |
|
400 |
+skip: |
|
401 |
+ printf("skipping\n"); |
|
402 |
+endofheader: |
|
403 |
+ printf("end of header reached, state=%d\n", state); |
|
404 |
+ if (host) printf("host=%s\n", host); |
|
405 |
+ if (port) printf("port=%s\n", port_str); |
|
406 |
+ if (param) printf("params=%s\n", param); |
|
407 |
+ if (comment) printf("comment=%s\n", comment); |
|
408 |
+ if(next_via) printf("next_via=%s\n", next_via); |
|
409 |
+ printf("rest=<%s>\n", tmp); |
|
410 |
+ |
|
411 |
+ exit(0); |
|
412 |
+} |
|
413 |
+ |