Remove the c-ares dependency

1 files changed, 31 insertions, 0 deletions

diff --git a/src/rexmpp_dns.h b/src/rexmpp_dns.h
new file mode 100644
index 0000000..f9c8b81
--- /dev/null
+++ b/src/rexmpp_dns.h
@@ -0,0 +1,31 @@
+/**
+   @file rexmpp_dns.h
+   @brief DNS helper functions
+   @author defanor <defanor@uberspace.net>
+   @date 2020
+   @copyright MIT license.
+*/
+
+
+#ifndef REXMPP_DNS_H
+#define REXMPP_DNS_H
+
+#include <stdint.h>
+
+struct rexmpp_dns_srv {
+  uint16_t priority;
+  uint16_t weight;
+  uint16_t port;
+  char target[256];
+};
+
+/**
+   @brief Parses an SRV DNS RR's RDATA.
+   @param[in] in SRV record's RDATA.
+   @param[in] in_len Length of the input data in octets.
+   @param[out] out A structure to fill with data.
+   @returns 0 on success, non-zero on parsing failure.
+*/
+int rexmpp_parse_srv (char *in, int in_len, struct rexmpp_dns_srv *out);
+
+#endif