From 5352b5075e6fac123e5d868b3e87cde538a047e4 Mon Sep 17 00:00:00 2001
From: Erik Ekman <yarrick@kryo.se>
Date: Sat, 24 Jan 2009 16:39:05 +0000
Subject: [PATCH] Make it build and fix tests in cygwin

---
 src/common.c   |  6 +++++-
 src/dns.c      |  4 ++++
 src/iodine.c   |  4 ++++
 src/iodined.c  |  7 ++++++-
 src/windows.h  | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 tests/Makefile |  2 +-
 tests/dns.c    |  4 ++++
 tests/read.c   |  4 ++++
 8 files changed, 77 insertions(+), 3 deletions(-)
 create mode 100644 src/windows.h

diff --git a/src/common.c b/src/common.c
index 22b6d38..31639ad 100644
--- a/src/common.c
+++ b/src/common.c
@@ -15,7 +15,11 @@
  */
 
 #include <arpa/inet.h>
+#ifndef __CYGWIN__
 #include <arpa/nameser.h>
+#else
+#include "windows.h"
+#endif
 #include <netinet/in.h>
 #ifdef DARWIN
 #include <arpa/nameser8_compat.h>
@@ -38,7 +42,7 @@
 #include "common.h"
 
 /* daemon(3) exists only in 4.4BSD or later, and in GNU libc */
-#if !(defined(BSD) && (BSD >= 199306)) && !defined(__GLIBC__)
+#if !(defined(__CYGWIN__)) && !(defined(BSD) && (BSD >= 199306)) && !defined(__GLIBC__)
 static int daemon(int nochdir, int noclose)
 {
  	int fd, i;
diff --git a/src/dns.c b/src/dns.c
index df06fd1..670efb6 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -15,7 +15,11 @@
  */
 
 #include <arpa/inet.h>
+#ifndef __CYGWIN__
 #include <arpa/nameser.h>
+#else
+#include "windows.h"
+#endif
 #ifdef DARWIN
 #include <arpa/nameser8_compat.h>
 #endif
diff --git a/src/iodine.c b/src/iodine.c
index 67a9bff..84f948a 100644
--- a/src/iodine.c
+++ b/src/iodine.c
@@ -32,7 +32,11 @@
 #include <pwd.h>
 #include <arpa/inet.h>
 #include <zlib.h>
+#ifndef __CYGWIN__
 #include <arpa/nameser.h>
+#else
+#include "windows.h"
+#endif
 #ifdef DARWIN
 #include <arpa/nameser8_compat.h>
 #endif
diff --git a/src/iodined.c b/src/iodined.c
index 3295d44..04ac796 100644
--- a/src/iodined.c
+++ b/src/iodined.c
@@ -36,7 +36,11 @@
 #include <netinet/in_systm.h>
 #include <netinet/ip.h>
 #include <zlib.h>
+#ifndef __CYGWIN__
 #include <arpa/nameser.h>
+#else
+#include "windows.h"
+#endif
 #ifdef DARWIN
 #include <arpa/nameser8_compat.h>
 #endif
@@ -799,6 +803,7 @@ read_dns(int fd, struct query *q)
 		memcpy((struct sockaddr*)&q->from, (struct sockaddr*)&from, addrlen);
 		q->fromlen = addrlen;
 		
+#ifndef __CYGWIN__
 		for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL; 
 			cmsg = CMSG_NXTHDR(&msg, cmsg)) { 
 			
@@ -809,7 +814,7 @@ read_dns(int fd, struct query *q)
 				break;
 			} 
 		}
-
+#endif
 		return strlen(q->name);
 	} else if (r < 0) { 
 		/* Error */
diff --git a/src/windows.h b/src/windows.h
new file mode 100644
index 0000000..cf98847
--- /dev/null
+++ b/src/windows.h
@@ -0,0 +1,49 @@
+#define T_A 1
+#define T_NS 2
+#define T_NULL 10
+
+#define C_IN 1
+
+#define NOERROR 0
+#define SERVFAIL 2
+#define NXDOMAIN 3
+#define NOTIMP 4
+#define REFUSED 5
+
+typedef struct {
+        unsigned        id :16;         /* query identification number */
+#if BYTE_ORDER == BIG_ENDIAN
+                        /* fields in third byte */
+        unsigned        qr: 1;          /* response flag */
+        unsigned        opcode: 4;      /* purpose of message */
+        unsigned        aa: 1;          /* authoritive answer */
+        unsigned        tc: 1;          /* truncated message */
+        unsigned        rd: 1;          /* recursion desired */
+                        /* fields in fourth byte */
+        unsigned        ra: 1;          /* recursion available */
+        unsigned        unused :1;      /* unused bits (MBZ as of 4.9.3a3) */
+        unsigned        ad: 1;          /* authentic data from named */
+        unsigned        cd: 1;          /* checking disabled by resolver */
+        unsigned        rcode :4;       /* response code */
+#endif
+#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
+                        /* fields in third byte */
+        unsigned        rd :1;          /* recursion desired */
+        unsigned        tc :1;          /* truncated message */
+        unsigned        aa :1;          /* authoritive answer */
+        unsigned        opcode :4;      /* purpose of message */
+        unsigned        qr :1;          /* response flag */
+                        /* fields in fourth byte */
+        unsigned        rcode :4;       /* response code */
+        unsigned        cd: 1;          /* checking disabled by resolver */
+        unsigned        ad: 1;          /* authentic data from named */
+        unsigned        unused :1;      /* unused bits (MBZ as of 4.9.3a3) */
+        unsigned        ra :1;          /* recursion available */
+#endif
+                        /* remaining bytes */
+        unsigned        qdcount :16;    /* number of question entries */
+        unsigned        ancount :16;    /* number of answer entries */
+        unsigned        nscount :16;    /* number of authority entries */
+        unsigned        arcount :16;    /* number of resource entries */
+} HEADER;
+
diff --git a/tests/Makefile b/tests/Makefile
index 79f51f0..6dea799 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -23,5 +23,5 @@ $(TEST): $(OBJS) $(SRCOBJS)
 
 clean:
 	@echo "Cleaning tests/"
-	@rm -f *~ *.core $(TEST) $(OBJS)
+	@rm -f *~ *.core $(TEST){,exe} $(OBJS)
 
diff --git a/tests/dns.c b/tests/dns.c
index 185f158..eec28e4 100644
--- a/tests/dns.c
+++ b/tests/dns.c
@@ -23,7 +23,11 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <sys/stat.h>
+#ifndef __CYGWIN__
 #include <arpa/nameser.h>
+#else
+#include "windows.h"
+#endif
 
 #include "common.h"
 #include "dns.h"
diff --git a/tests/read.c b/tests/read.c
index ab55341..8c7618b 100644
--- a/tests/read.c
+++ b/tests/read.c
@@ -18,7 +18,11 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <sys/stat.h>
+#ifndef __CYGWIN__
 #include <arpa/nameser.h>
+#else
+#include "windows.h"
+#endif
 #ifdef DARWIN
 #include <arpa/nameser8_compat.h>
 #endif