From a41f4a0c08e126cf3d3f04a2bf878d605c983362 Mon Sep 17 00:00:00 2001
From: Michel Machado <michel@digirati.com.br>
Date: Wed, 14 May 2014 09:44:36 -0400
Subject: [PATCH] Add support for Windows/Cygwin

This commit is based on Tom Hall's patch.
---
 Makefile | 7 +++++++
 README   | 4 ++++
 utils.c  | 4 ++--
 utils.h  | 6 +++++-
 4 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 3ab0701..4a1df3b 100644
--- a/Makefile
+++ b/Makefile
@@ -12,5 +12,12 @@ mac:
 	gcc -o f3write utils.o f3write.o -lm
 	gcc -o f3read utils.o f3read.o
 
+cygwin:
+	gcc -Wall -Wno-char-subscripts -DCYGWIN -c utils.c
+	gcc -Wall -Wno-char-subscripts -DCYGWIN -c f3write.c
+	gcc -Wall -Wno-char-subscripts -DCYGWIN -c f3read.c
+	gcc -o f3write utils.o f3write.o -lm
+	gcc -o f3read utils.o f3read.o
+
 clean:
 	rm -f *.o f3write f3read
diff --git a/README b/README
index 0ac0912..a4e3fe9 100644
--- a/README
+++ b/README
@@ -6,6 +6,10 @@ make linux
 
 make mac
 
+### Compile on Windows with Cygwin
+
+make cygwin
+
 ### Use example
 
 ./f3write /media/5EBD-5C80/
diff --git a/utils.c b/utils.c
index 0595e29..db22f68 100644
--- a/utils.c
+++ b/utils.c
@@ -141,7 +141,7 @@ void print_header(FILE *f, char *name)
 	"\n", name);
 }
 
-#ifdef APPLE_MAC
+#if defined(APPLE_MAC) || defined (CYGWIN)
 
 #include <stdio.h>
 #include <stdint.h>
@@ -216,4 +216,4 @@ int lrand48_r(struct drand48_data *buffer, long int *result)
 	return __nrand48_r(buffer->__x, buffer, result);
 }
 
-#endif	/* APPLE_MAC */
+#endif	/* APPLE_MAC or CYGWIN */
diff --git a/utils.h b/utils.h
index 556503e..771e384 100644
--- a/utils.h
+++ b/utils.h
@@ -64,6 +64,10 @@ static inline int posix_fadvise(int fd, off_t offset, off_t len, int advice)
 	}
 }
 
+#endif	/* APPLE_MAC */
+
+#if defined(APPLE_MAC) || defined(CYGWIN)
+
 /*
  * The following functions were copied from GNU Library C to make F3
  * more portable.
@@ -89,6 +93,6 @@ extern int srand48_r(long int __seedval, struct drand48_data *__buffer)
 extern int lrand48_r(struct drand48_data *__restrict __buffer,
 	long int *__restrict __result) __attribute__ ((nonnull(1, 2)));
 
-#endif	/* APPLE_MAC */
+#endif	/* APPLE_MAC or CYGWIN */
 
 #endif	/* HEADER_UTILS_H */