From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/network/res_query.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 src/network/res_query.c (limited to 'src/network/res_query.c') diff --git a/src/network/res_query.c b/src/network/res_query.c new file mode 100644 index 00000000..4ebeb102 --- /dev/null +++ b/src/network/res_query.c @@ -0,0 +1,20 @@ +#include +#include "__dns.h" + +int res_query(const char *name, int class, int type, unsigned char *dest, int len) +{ + if (class != 1 || len < 512) + return -1; + switch(__dns_doqueries(dest, name, &type, 1)) { + case EAI_NONAME: + h_errno = HOST_NOT_FOUND; + return -1; + case EAI_AGAIN: + h_errno = TRY_AGAIN; + return -1; + case EAI_FAIL: + h_errno = NO_RECOVERY; + return -1; + } + return 512; +} -- cgit v1.2.1