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author | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
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committer | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
commit | 4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch) | |
tree | ebf009bf1376a5a223a915bc27cbbd791a1316bc /src/network/dn_skipname.c |
Initial version
Diffstat (limited to 'src/network/dn_skipname.c')
-rw-r--r-- | src/network/dn_skipname.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/network/dn_skipname.c b/src/network/dn_skipname.c new file mode 100644 index 0000000..eba65bb --- /dev/null +++ b/src/network/dn_skipname.c @@ -0,0 +1,15 @@ +#include <resolv.h> + +int dn_skipname(const unsigned char *s, const unsigned char *end) +{ + const unsigned char *p = s; + while (p < end) + if (!*p) return p-s+1; + else if (*p>=192) + if (p+1<end) return p-s+2; + else break; + else + if (end-p<*p+1) break; + else p += *p + 1; + return -1; +} |