mirror of
https://github.com/yarrick/iodine.git
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55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
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* Copyright (c) 2006 Bjorn Andersson <flex@kryo.se>, Erik Ekman <yarrick@kryo.se>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <string.h>
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int
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readname(char *packet, char *dst, char *src)
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{
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char l;
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int len;
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int offset;
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len = 0;
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while(*src) {
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l = *src++;
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len++;
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if(l & 0x80 && l & 0x40) {
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offset = ((src[-1] & 0x3f) << 8) | src[0];
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readname(packet, dst, packet + offset);
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dst += strlen(dst);
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break;
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}
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while(l) {
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*dst++ = *src++;
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l--;
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len++;
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}
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*dst++ = '.';
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}
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*dst = '\0';
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src++;
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len++;
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return len;
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}
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