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-rw-r--r--mdk-stage1/dietlibc/libcruft/dn_expand.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libcruft/dn_expand.c b/mdk-stage1/dietlibc/libcruft/dn_expand.c
new file mode 100644
index 000000000..e111a91a4
--- /dev/null
+++ b/mdk-stage1/dietlibc/libcruft/dn_expand.c
@@ -0,0 +1,11 @@
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
+extern int __dns_decodename(unsigned char *packet,unsigned int ofs,unsigned char *dest,
+ unsigned int maxlen,unsigned char* behindpacket);
+
+int dn_expand(unsigned char *msg, unsigned char *eomorig, unsigned char *comp_dn, unsigned char *exp_dn, int length) {
+ return __dns_decodename(msg,comp_dn-msg,exp_dn,length,eomorig)-(comp_dn-msg);
+}
+