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fix regression in dn_expand/reverse dns

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off-by-one error copying the name components was yielding junk at the
beginning and truncating one character at the end (of every
component).
This commit is contained in:
Rich Felker
2013-08-23 21:25:01 -04:00
parent d2c42ed25f
commit 7211551e9f
1 changed files with 1 additions and 1 deletions
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src/network/dn_expand.c
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@ -17,7 +17,7 @@ int __dn_expand(const unsigned char *base, const unsigned char *end, const unsig
} else if (*p) { } else if (*p) {
j = *p+1; j = *p+1;
if (j>=end-p || j>space) return -1; if (j>=end-p || j>space) return -1;
while (--j) *dest++ = *p++; while (--j) *dest++ = *++p;
*dest++ = *++p ? '.' : 0; *dest++ = *++p ? '.' : 0;
} else { } else {
if (len < 0) len = p+1-src; if (len < 0) len = p+1-src;