FreeCalypso > hg > themwi-system-sw
annotate libsip/get_header.c @ 233:60f6e561bfb8
libnumdb2: start with readbin.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 14 Aug 2023 13:10:38 -0800 |
parents | 5427b26525cd |
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1 /* |
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2 * In this module we implement functions for retrieving individual |
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3 * header fields from struct sip_pkt_rx. |
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4 */ |
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5 |
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6 #include <string.h> |
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7 #include <strings.h> |
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8 #include "parse.h" |
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9 |
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10 char * |
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11 get_single_header(msg, name, altname, dupp) |
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12 struct sip_pkt_rx *msg; |
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13 char *name, *altname; |
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14 int *dupp; |
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15 { |
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16 unsigned n; |
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17 char *ret; |
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18 |
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19 for (n = 0; n < msg->num_hdr_fields; n++) { |
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20 if (!strcasecmp(msg->hdr_fields[n].field_name, name)) |
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21 break; |
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22 if (altname && |
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23 !strcasecmp(msg->hdr_fields[n].field_name, altname)) |
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24 break; |
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25 } |
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26 if (n >= msg->num_hdr_fields) |
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27 return 0; |
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28 ret = msg->hdr_fields[n].field_value; |
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29 if (!dupp) |
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30 return ret; |
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31 for (n++; n < msg->num_hdr_fields; n++) { |
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32 if (!strcasecmp(msg->hdr_fields[n].field_name, name)) |
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33 *dupp = 1; |
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34 if (altname && |
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35 !strcasecmp(msg->hdr_fields[n].field_name, altname)) |
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36 *dupp = 1; |
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37 } |
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38 return ret; |
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39 } |