From 9776ff15a091507ceb95ccf41c01d09282ae24f8 Mon Sep 17 00:00:00 2001
From: John Jones <jmjatlanta@jmjatlanta.com>
Date: Tue, 21 Mar 2017 15:08:01 +0000
Subject: [PATCH] c99 and endian changes for centos

---
 crypto/encoding/Makefile    | 2 +-
 crypto/sha1.c               | 5 +++++
 include/libp2p/net/p2pnet.h | 1 +
 peer/Makefile               | 2 +-
 secio/Makefile              | 2 +-
 test/Makefile               | 4 ++--
 utils/Makefile              | 2 +-
 7 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/crypto/encoding/Makefile b/crypto/encoding/Makefile
index 7fdf705..7eda9dd 100644
--- a/crypto/encoding/Makefile
+++ b/crypto/encoding/Makefile
@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = -O0 -I../../include -g3
+CFLAGS = -O0 -I../../include -g3 -std=c99
 LFLAGS =
 DEPS = ../../include/libp2p/crypto/encoding/base58.h ../../include/libp2p/crypto/encoding/base64.h \
 	../../include/libp2p/crypto/encoding/x509.h ../../include/libp2p/crypto/encoding/base16.h \
diff --git a/crypto/sha1.c b/crypto/sha1.c
index 50784c8..192e2d2 100644
--- a/crypto/sha1.c
+++ b/crypto/sha1.c
@@ -100,6 +100,11 @@ void SHA1_Transform(uint32_t state[5], const uint8_t buffer[64]);
 
 /* blk0() and blk() perform the initial expand. */
 /* I got the idea of expanding during the round function from SSLeay */
+// NOTE: Need to do endianness better
+#if (!defined(__BYTE_ORDER__))
+#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
+#endif
+
 #if (defined(__BYTE_ORDER__)&&(__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
 #define blk0(i) block->l[i]
 #elif (defined(__BYTE_ORDER__)&&(__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
diff --git a/include/libp2p/net/p2pnet.h b/include/libp2p/net/p2pnet.h
index 132eaf3..a6b3446 100644
--- a/include/libp2p/net/p2pnet.h
+++ b/include/libp2p/net/p2pnet.h
@@ -2,6 +2,7 @@
 #define P2PNET_H
 
 #include <stdint.h>
+#include <unistd.h>
 
 	int socket_open4();
    int socket_bind4(int s, uint32_t ip, uint16_t port);
diff --git a/peer/Makefile b/peer/Makefile
index 0d989e9..0ff9452 100644
--- a/peer/Makefile
+++ b/peer/Makefile
@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = -O0 -I../include -I../../c-protobuf -I../../c-multihash/include -I../../c-multiaddr/include -g3
+CFLAGS = -O0 -I../include -I../../c-protobuf -I../../c-multihash/include -I../../c-multiaddr/include -g3 -std=c99
 LFLAGS =
 DEPS = 
 OBJS = peer.o peerstore.o providerstore.o
diff --git a/secio/Makefile b/secio/Makefile
index 0baa3c7..31bb4fc 100644
--- a/secio/Makefile
+++ b/secio/Makefile
@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = -O0 -Wall -I../include -I../../c-protobuf
+CFLAGS = -O0 -Wall -I../include -I../../c-protobuf -std=c99
 
 ifdef DEBUG
 CFLAGS += -g3
diff --git a/test/Makefile b/test/Makefile
index aabceac..cfdab55 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = -O0 -I../include -I. -I../../c-multihash/include -I../../c-multiaddr/include
+CFLAGS = -O0 -I../include -I. -I../../c-multihash/include -I../../c-multiaddr/include -std=c99
 
 ifdef DEBUG
 CFLAGS += -g3
@@ -25,4 +25,4 @@ clean:
 	rm -f *.o
 	rm -f testit_libp2p
 
-test: clean testit_libp2p
\ No newline at end of file
+test: clean testit_libp2p
diff --git a/utils/Makefile b/utils/Makefile
index 1921f2c..ca4b4a9 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = -O0 -Wall -I../include -I../../c-multiaddr/include
+CFLAGS = -O0 -Wall -I../include -I../../c-multiaddr/include -std=c99
 
 ifdef DEBUG
 CFLAGS += -g3