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cleaning
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2e6e493549
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28
read.c
28
read.c
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@ -20,40 +20,42 @@ static int
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readname_loop(char *packet, char **src, char *dst, size_t length, size_t loop)
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readname_loop(char *packet, char **src, char *dst, size_t length, size_t loop)
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{
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{
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char *dummy;
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char *dummy;
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char *s;
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char *d;
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int len;
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int len;
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char *p;
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char c;
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char c;
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if (loop <= 0)
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if (loop <= 0)
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return 0;
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return 0;
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len = 0;
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len = 0;
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p = *src;
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s = *src;
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while(*p && len < length - 2) {
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d = dst;
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c = *p++;
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while(*s && len < length - 2) {
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c = *s++;
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/* is this a compressed label? */
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/* is this a compressed label? */
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if((c & 0xc0) == 0xc0) {
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if((c & 0xc0) == 0xc0) {
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dummy = packet + (((p[-1] & 0x3f) << 8) | p[0]);
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dummy = packet + (((s[-1] & 0x3f) << 8) | s[0]);
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len += readname_loop(packet, &dummy, dst, length - len, loop - 1);
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len += readname_loop(packet, &dummy, d, length - len, loop - 1);
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break;
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break;
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}
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}
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while(c && len < length - 2) {
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while(c && len < length - 2) {
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*dst++ = *p++;
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*d++ = *s++;
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len++;
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len++;
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c--;
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c--;
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}
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}
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if (*p != 0 && len < length - 2)
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if (*s != 0 && len < length - 2)
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*dst++ = '.';
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*d++ = '.';
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else
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*dst++ = '\0';
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}
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}
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(*src) = p+1;
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(*src) = s+1;
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return strlen(dst);
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dst[len] = '\0';
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return len;
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}
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}
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int
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int
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