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cleaning

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This commit is contained in:
Bjorn Andersson 2006-08-24 22:18:24 +00:00
parent 2e6e493549
commit b52787a74b
1 changed files with 15 additions and 13 deletions
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28
read.c
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@ -20,40 +20,42 @@ static int
readname_loop(char *packet, char **src, char *dst, size_t length, size_t loop)
{
char *dummy;
char *s;
char *d;
int len;
char *p;
char c;
if (loop <= 0)
return 0;
len = 0;
p = *src;
while(*p && len < length - 2) {
c = *p++;
s = *src;
d = dst;
while(*s && len < length - 2) {
c = *s++;
/* is this a compressed label? */
if((c & 0xc0) == 0xc0) {
dummy = packet + (((p[-1] & 0x3f) << 8) | p[0]);
len += readname_loop(packet, &dummy, dst, length - len, loop - 1);
dummy = packet + (((s[-1] & 0x3f) << 8) | s[0]);
len += readname_loop(packet, &dummy, d, length - len, loop - 1);
break;
}
while(c && len < length - 2) {
*dst++ = *p++;
*d++ = *s++;
len++;
c--;
}
if (*p != 0 && len < length - 2)
*dst++ = '.';
else
*dst++ = '\0';
if (*s != 0 && len < length - 2)
*d++ = '.';
}
(*src) = p+1;
(*src) = s+1;
return strlen(dst);
dst[len] = '\0';
return len;
}
int