Added Windows support via MinGW

Makefile.Win

@@ -0,0 +1,82 @@
+#############################################################
+# TO BE CHANGED BY EACH USER TO POINT TO include/ AND lib/ 
+# DIRS HOLDING CFITSIO *.h AND libcfitsio IF THEY ARE NOT IN 
+# THE STANDARD PLACES
+# 
+
+CFITSIOINCDIR =  E:\\Programs\\msys64\\mingw64\\include
+LIBDIR        =  E:\\Programs\\msys64\\mingw64\\lib
+BINDIR        =  E:\\Programs\\msys64\\mingw64\\bin
+
+#
+#
+#############################################################
+# COMPILATION OPTIONS BELOW
+# 
+
+# another good memory checker is valgrind : http://valgrind.kde.org/index.html
+# valgrind --tool=memcheck hotpants
+
+# for memory checking with libefence
+# LIBS  = -L$(LIBDIR) -lm -lcfitsio -lefence
+
+# for profiling with gprof
+# COPTS = -pg -fprofile-arcs -funroll-loops -O3 -ansi -pedantic-errors -Wall -I$(CFITSIOINCDIR) 
+
+# for gdbugging
+# COPTS = -g3 -funroll-loops -O3 -ansi -pedantic-errors -Wall -I$(CFITSIOINCDIR) 
+
+# standard usage
+# recently added -std=c99 after a bug report
+COPTS = -funroll-loops -fcommon -O3 -ansi -std=c99 -pedantic-errors -Wall -I$(CFITSIOINCDIR) -D_GNU_SOURCE -DSIZEOF_VOID_P=8 -DMS_WIN64 -static
+LIBS  = -L$(LIBDIR) -lm -lcfitsio -L$(LBINDIR) -lz
+
+# compiler
+CC    = gcc 
+
+#
+#
+############################################################# 
+# BELOW SHOULD BE OK, UNLESS YOU WANT TO COPY THE EXECUTABLES
+# SOMEPLACE AFTER THEY ARE BUILT eg. hotpants
+#
+
+STDH  = functions.h globals.h defaults.h
+ALL   = main.o vargs.o alard.o functions.o 
+
+all:	hotpants extractkern maskim
+
+hotpants: $(ALL)
+	$(CC) $(ALL) -o hotpants $(LIBS) $(COPTS)
+#	cp hotpants ../../bin/$(ARCH)
+
+main.o: $(STDH) main.c
+	$(CC) $(COPTS)  -c main.c
+
+alard.o: $(STDH) alard.c
+	$(CC) $(COPTS)  -c alard.c
+
+functions.o: $(STDH) functions.c
+	$(CC) $(COPTS)  -c functions.c
+
+vargs.o: $(STDH) vargs.c
+	$(CC) $(COPTS)  -c vargs.c
+
+extractkern : extractkern.o 
+	$(CC) extractkern.o -o extractkern $(LIBS) $(COPTS)
+
+extractkern.o : $(STDH) extractkern.c
+	$(CC) $(COPTS)  -c extractkern.c
+
+maskim : maskim.o
+	$(CC) maskim.o -o maskim $(LIBS) $(COPTS)
+
+maskim.o: $(STDH) maskim.c
+	$(CC) $(COPTS)  -c maskim.c
+
+clean :
+	rm -f *.o
+	rm -f *~ .*~
+	rm -f hotpants
+	rm -f extractkern
+	rm -f maskim

main.c

@@ -12,6 +12,12 @@
 #include "globals.h"
 #include "functions.h"
 
+
+#ifdef __MINGW32__
+#include <stddef.h>
+#endif
+
+
 int main(int argc,char *argv[]) {
     int         i,j,k,l,m;                              /* generic indices */
     char        scrStr[SCRLEN];                         /* scratch string */
@@ -248,7 +254,13 @@ int main(int argc,char *argv[]) {
         fits_write_key_str(oPtr, "AUTHOR", "unknown", "Who ran the software", &status);
 
     /* host name */
-    if (!gethostname(hInfo, 80))
+#ifdef __MINGW32__
+    strncpy(hInfo, "Unknown", sizeof(hInfo)/sizeof(char));
+#else
+    gethostname(hInfo, 80);
+#endif
+
+    if (hInfo)
         fits_write_key_str(oPtr, "ORIGIN", hInfo, "Where it was done", &status);
 
     /* what was it fired up */