From 58ce252432d5a407c84a3bc3720298ce2291d6a7 Mon Sep 17 00:00:00 2001
From: Joel Grunbaum <joelgrun@gmail.com>
Date: Sun, 18 Oct 2020 13:34:45 +0000
Subject: [PATCH] trying to make include and source directories

---
 include/dns.h |   12 ++++++++++++
 Makefile      |   24 +++++++++++++++++-------
 2 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index 80b5744..ce02a41 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,22 @@
 CC=gcc
-OBJ=main.o dns.o
-DEPS=dns.h
-CFLAGS=-g
+_OBJ=main.o dns.o
+_DEPS=dns.h
+IDIR=include
+CFLAGS=-I$(IDIR) -Wall -g
+ODIR=obj
+SRCDIR=src
 
-default: all
+DEPS = $(patsubst %,$(IDIR)/%,$(_DEPS))
+OBJ = $(patsubst %,$(ODIR)/%,$(_OBJ))
 
-%.o: %.c $(DEPS)
+default: a.out
+
+%.o: %c $(DEPS)
 	$(CC) $(CFLAGS) -c -o $@ $<
 
-all: $(OBJ)
-	$(CC) $(CFLAGS) $^
+a.out: $(_OBJ)
+	$(CC) $(CFLAGS) -o $@ $^
+
+.PHONY: clean
+clean:
+	rm -rf *.o *~
diff --git a/include/dns.h b/include/dns.h
new file mode 100644
index 0000000..b6e6a90
--- /dev/null
+++ b/include/dns.h
@@ -0,0 +1,12 @@
+// DNS resource records
+#define T_A 1					// IPv4 address
+#define T_NS 2					// Name Server
+#define T_CNAME 5				// Cannonical name
+#define T_SOA 6					// State of Authority
+#define T_PTR 12				// Domain name pointer
+#define T_MX 15					// Mail exchange
+#define T_TXT 16				// Text record
+#define T_AAAA 28				// IPv6 address
+
+void resolve(unsigned char* buf, char* hostname, char* dns_ip, int query_type);
+void print_packet(unsigned char* buf);

--
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