FreeBSD support

Makefile

@@ -22,7 +22,8 @@ LOBJS = src/nameinfo.o \
 
 CFLAGS  += -Wall -O0 -g -std=c99 -D_GNU_SOURCE -pipe
 NO_AS_NEEDED = -Wl,--no-as-needed
-LDFLAGS = -shared -fPIC $(NO_AS_NEEDED) -ldl -lpthread
+LIBDL   = -ldl
+LDFLAGS = -shared -fPIC $(NO_AS_NEEDED) $(LIBDL) -lpthread
 INC     = 
 PIC     = -fPIC
 AR      = $(CROSS_COMPILE)ar

configure

@@ -34,7 +34,11 @@ parsearg() {
 }
 
 ismac() {
-	uname -s | grep Darwin
+	uname -s | grep Darwin >/dev/null
+}
+
+isbsd() {
+	uname -s | grep BSD >/dev/null
 }
 
 while true ; do
@@ -83,6 +87,9 @@ if ismac ; then
 	echo MAC_CFLAGS+=-DIS_MAC=1>>config.mak
 	echo LD_SET_SONAME=-Wl,-install_name,>>config.mak
 	echo INSTALL_FLAGS=-m>>config.mak
+elif isbsd ; then
+	echo LIBDL=>>config.mak
+	echo "CFLAGS+=-DIS_BSD">>config.mak
 fi
 
 echo done, now run make \&\& make install

src/hostentdb.c

@@ -28,11 +28,16 @@ static void hdb_add(struct hostent_list* hl, char* host, ip_type ip) {
 }
 
 static void hdb_fill(struct hostent_list *hl) {
+#ifndef IS_BSD
 	struct hostent* hp;
 	while((hp = gethostent()))
 		if(hp->h_addrtype == AF_INET && hp->h_length == sizeof(in_addr_t)) {
 			hdb_add(hl, hp->h_name, (ip_type) { .as_int = *((in_addr_t*)(hp->h_addr_list[0])) });
 		}
+#else
+	/* FreeBSD hangs on gethostent(). since this feature is not crucial, we just do nothing */
+	(void) hl;
+#endif
 }
 
 void hdb_init(struct hostent_list *hl) {