Added Windows support

Makefile

@@ -39,17 +39,20 @@ else
   LIMESDR ?= no
 endif
 
-UNAME := $(shell uname)
+ifeq ($(OS),Windows_NT) 
+  DETECTED_OS := Windows
+else
+  DETECTED_OS := $(shell sh -c 'uname 2>/dev/null || echo Unknown')
+endif
 
-ifeq ($(UNAME), Linux)
-  CPPFLAGS += -D_DEFAULT_SOURCE
+ifeq ($(DETECTED_OS), Linux)
   LIBS += -lrt
   LIBS_USB += -lusb-1.0
   LIBS_CURSES := -lncurses
   CPUFEATURES ?= yes
 endif
 
-ifeq ($(UNAME), Darwin)
+ifeq ($(DETECTED_OS), Darwin)
   ifneq ($(shell sw_vers -productVersion | egrep '^10\.([0-9]|1[01])\.'),) # Mac OS X ver <= 10.11
     CPPFLAGS += -DMISSING_GETTIME
     COMPAT += compat/clock_gettime/clock_gettime.o
@@ -61,29 +64,37 @@ ifeq ($(UNAME), Darwin)
   CPUFEATURES ?= yes
 endif
 
-ifeq ($(UNAME), OpenBSD)
+ifeq ($(DETECTED_OS), OpenBSD)
   CPPFLAGS += -DMISSING_NANOSLEEP
   COMPAT += compat/clock_nanosleep/clock_nanosleep.o
   LIBS_USB += -lusb-1.0
   LIBS_CURSES := -lncurses
+  CPUFEATURES ?= yes
 endif
 
-ifeq ($(UNAME), FreeBSD)
-  CPPFLAGS += -D_DEFAULT_SOURCE
+ifeq ($(DETECTED_OS), FreeBSD)
   LIBS += -lrt
   LIBS_USB += -lusb
   LIBS_CURSES := -lncurses
 endif
 
-ifeq ($(UNAME), NetBSD)
-  CFLAGS += -D_DEFAULT_SOURCE
+ifeq ($(DETECTED_OS), NetBSD)
   LIBS += -lrt
   LIBS_USB += -lusb-1.0
   LIBS_CURSES := -lcurses
 endif
 
-CPUFEATURES ?= no
+ifeq ($(DETECTED_OS), Windows)
+  # TODO: Perhaps copy the DLL files to the output folder if the OS is Windows?
+  CPPFLAGS += -DMISSING_TIME_R_FUNCS -DMISSING_CURSES_H_NCURSES -D_USE_MATH_DEFINES
+  LIBS += -lws2_32 -lsystre
+  LIBS_USB += -lusb-1.0
+  LIBS_CURSES := -lncurses
+  CPUFEATURES ?= yes
+endif
 
+
+CPUFEATURES ?= no
 ifeq ($(CPUFEATURES),yes)
   include Makefile.cpufeatures
   CPPFLAGS += -DENABLE_CPUFEATURES -Icpu_features/include
@@ -202,7 +213,9 @@ starch-benchmark: cpu.o dsp/helpers/tables.o $(CPUFEATURES_OBJS) $(STARCH_OBJS)
 	$(CC) -g -o $@ $^ $(LDFLAGS) $(LIBS)
 
 clean:
-	rm -f *.o oneoff/*.o compat/clock_gettime/*.o compat/clock_nanosleep/*.o cpu_features/src/*.o dsp/generated/*.o dsp/helpers/*.o $(CPUFEATURES_OBJS) dump1090 view1090 faup1090 cprtests crctests oneoff/convert_benchmark oneoff/decode_comm_b oneoff/dsp_error_measurement oneoff/uc8_capture_stats starch-benchmark
+	rm -f dump1090 view1090 faup1090 cprtests crctests oneoff/convert_benchmark oneoff/decode_comm_b oneoff/dsp_error_measurement oneoff/uc8_capture_stats starch-benchmark
+	find . -type f -name '*.o' -exec rm {} +
+	find . -type f -name '*.exe' -exec rm {} +
 
 test: cprtests
 	./cprtests

README.md

@@ -74,6 +74,28 @@ libhackrf.
 ``make LIMESDR=no`` will disable LimeSDR support and remove the dependency on
 libLimeSuite.
 
+## Building on MSYS2
+
+Install PothosSDR on the default location and install MSYS2.
+#### Building with MinGW-w64
+```
+$ pacman -S mingw-w64-x86_64-toolchain mingw-w64-x86_64-ncurses mingw-w64-x86_64-libsystre mingw-w64-x86_64-libusb
+$ alias make=mingw32-make
+$ PKG_CONFIG_PATH="/c/PothosSDR/lib/pkgconfig:$PKG_CONFIG_PATH" make -j$(nproc)
+```
+#### Building with Clang
+```
+$ pacman -S mingw-w64-clang-x86_64-toolchain mingw-w64-clang-x86_64-ncurses mingw-w64-clang-x86_64-libsystre mingw-w64-clang-x86_64-libusb
+$ alias make=mingw32-make
+$ PKG_CONFIG_PATH="/c/PothosSDR/lib/pkgconfig:$PKG_CONFIG_PATH" make -j$(nproc)
+```
+#### Building with MinGW-w64/UCRT
+```
+$ pacman -S mingw-w64-ucrt-x86_64-toolchain mingw-w64-ucrt-x86_64-ncurses mingw-w64-ucrt-x86_64-libsystre mingw-w64-ucrt-x86_64-libgnurx
+$ alias make=mingw32-make
+$ PKG_CONFIG_PATH="/c/PothosSDR/lib/pkgconfig:$PKG_CONFIG_PATH" make -j$(nproc)
+```
+
 ## Building on OSX
 
 Minimal testing on Mojave 10.14.6, YMMV.

anet.c

@@ -51,17 +51,29 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#ifdef _WIN32
+#  include <winsock2.h>
+#  include <ws2def.h>
+#  include <ws2tcpip.h>
+#  include <Windows.h>
+#  define socklen_t int
+#  define sockaddr_storage sockaddr
+#  define p_setsockopt_optval_t const char*
+#else
+#  include <sys/socket.h>
+#  include <sys/un.h>
+#  include <netinet/in.h>
+#  include <netinet/tcp.h>
+#  include <arpa/inet.h>
+#  include <unistd.h>
+#  include <netdb.h>
+#  define p_setsockopt_optval_t void*
+#endif
 #include <sys/types.h>
-#include <sys/socket.h>
 #include <sys/stat.h>
-#include <sys/un.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-#include <unistd.h>
 #include <fcntl.h>
 #include <string.h>
-#include <netdb.h>
+
 #include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
@@ -80,6 +92,7 @@ static void anetSetError(char *err, const char *fmt, ...)
 
 int anetNonBlock(char *err, int fd)
 {
+#if !defined(_WIN32)
     int flags;
 
     /* Set the socket nonblocking.
@@ -93,14 +106,21 @@ int anetNonBlock(char *err, int fd)
         anetSetError(err, "fcntl(F_SETFL,O_NONBLOCK): %s", strerror(errno));
         return ANET_ERR;
     }
-
+#else
+    u_long mode = 1;  // 1 to enable non-blocking socket
+    int errorCode = ioctlsocket(fd, FIONBIO, &mode);
+    if (errorCode != 0) {
+        anetSetError(err, "ioctlsocket(FIONBIO): %d", errorCode);
+        return ANET_ERR;
+    }
+#endif
     return ANET_OK;
 }
 
 int anetTcpNoDelay(char *err, int fd)
 {
     int yes = 1;
-    if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) == -1)
+    if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (p_setsockopt_optval_t)&yes, sizeof(yes)) == -1)
     {
         anetSetError(err, "setsockopt TCP_NODELAY: %s", strerror(errno));
         return ANET_ERR;
@@ -110,7 +130,7 @@ int anetTcpNoDelay(char *err, int fd)
 
 int anetSetSendBuffer(char *err, int fd, int buffsize)
 {
-    if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (void*)&buffsize, sizeof(buffsize)) == -1)
+    if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (p_setsockopt_optval_t)&buffsize, sizeof(buffsize)) == -1)
     {
         anetSetError(err, "setsockopt SO_SNDBUF: %s", strerror(errno));
         return ANET_ERR;
@@ -121,7 +141,7 @@ int anetSetSendBuffer(char *err, int fd, int buffsize)
 int anetTcpKeepAlive(char *err, int fd)
 {
     int yes = 1;
-    if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void*)&yes, sizeof(yes)) == -1) {
+    if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (p_setsockopt_optval_t)&yes, sizeof(yes)) == -1) {
         anetSetError(err, "setsockopt SO_KEEPALIVE: %s", strerror(errno));
         return ANET_ERR;
     }
@@ -138,7 +158,7 @@ static int anetCreateSocket(char *err, int domain)
 
     /* Make sure connection-intensive things like the redis benckmark
      * will be able to close/open sockets a zillion of times */
-    if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (void*)&on, sizeof(on)) == -1) {
+    if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (p_setsockopt_optval_t)&on, sizeof(on)) == -1) {
         anetSetError(err, "setsockopt SO_REUSEADDR: %s", strerror(errno));
         return ANET_ERR;
     }
@@ -239,7 +259,7 @@ int anetWrite(int fd, char *buf, int count)
 static int anetListen(char *err, int s, struct sockaddr *sa, socklen_t len) {
     if (sa->sa_family == AF_INET6) {
         int on = 1;
-        setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on));
+        setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, (p_setsockopt_optval_t)&on, sizeof(on));
     }
 
     if (bind(s,sa,len) == -1) {

compat/compat.h

@@ -5,33 +5,18 @@
  * Platform-specific bits
  */
 
-#if defined(__APPLE__)
-
-/*
- * Mach endian conversion
- */
-# include <libkern/OSByteOrder.h>
-# define bswap_16 OSSwapInt16
-# define bswap_32 OSSwapInt32
-# define bswap_64 OSSwapInt64
-# include <machine/endian.h>
-# define le16toh(x) OSSwapLittleToHostInt16(x)
-# define le32toh(x) OSSwapLittleToHostInt32(x)
-# define le64toh(x) OSSwapLittleToHostInt64(x)
-
-#elif defined(__FreeBSD__)
-#include <sys/endian.h>
-
-#else // other platforms
-
-# include <endian.h>
-
-#endif
+#include "endian.h"
 
 /* clock_* and time-related types */
 
 #include <time.h>
 
+//MSVC/MinGW has no _r time functions
+#ifdef MISSING_TIME_R_FUNCS
+#  define localtime_r(T,Tm) (localtime_s(Tm,T) ? NULL : Tm)
+#  define gmtime_r(T,Tm) (gmtime_s(Tm,T) ? NULL : Tm)
+#endif
+
 #if defined(CLOCK_REALTIME)
 #  define HAVE_CLOCKID_T
 #endif

compat/endian.h

@@ -0,0 +1,115 @@
+// "License": Public Domain
+// I, Mathias Panzenböck, place this file hereby into the public domain. Use it at your own risk for whatever you like.
+// In case there are jurisdictions that don't support putting things in the public domain you can also consider it to
+// be "dual licensed" under the BSD, MIT and Apache licenses, if you want to. This code is trivial anyway. Consider it
+// an example on how to get the endian conversion functions on different platforms.
+
+#ifndef PORTABLE_ENDIAN_H__
+#define PORTABLE_ENDIAN_H__
+
+#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
+
+#	define __WINDOWS__
+
+#endif
+
+#if defined(__linux__) || defined(__CYGWIN__)
+
+#	include <endian.h>
+
+#elif defined(__APPLE__)
+
+#	include <libkern/OSByteOrder.h>
+
+#	define htobe16(x) OSSwapHostToBigInt16(x)
+#	define htole16(x) OSSwapHostToLittleInt16(x)
+#	define be16toh(x) OSSwapBigToHostInt16(x)
+#	define le16toh(x) OSSwapLittleToHostInt16(x)
+
+#	define htobe32(x) OSSwapHostToBigInt32(x)
+#	define htole32(x) OSSwapHostToLittleInt32(x)
+#	define be32toh(x) OSSwapBigToHostInt32(x)
+#	define le32toh(x) OSSwapLittleToHostInt32(x)
+
+#	define htobe64(x) OSSwapHostToBigInt64(x)
+#	define htole64(x) OSSwapHostToLittleInt64(x)
+#	define be64toh(x) OSSwapBigToHostInt64(x)
+#	define le64toh(x) OSSwapLittleToHostInt64(x)
+
+#	define __BYTE_ORDER    BYTE_ORDER
+#	define __BIG_ENDIAN    BIG_ENDIAN
+#	define __LITTLE_ENDIAN LITTLE_ENDIAN
+#	define __PDP_ENDIAN    PDP_ENDIAN
+
+#elif defined(__OpenBSD__)
+
+#	include <sys/endian.h>
+
+#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
+
+#	include <sys/endian.h>
+
+#	define be16toh(x) betoh16(x)
+#	define le16toh(x) letoh16(x)
+
+#	define be32toh(x) betoh32(x)
+#	define le32toh(x) letoh32(x)
+
+#	define be64toh(x) betoh64(x)
+#	define le64toh(x) letoh64(x)
+
+#elif defined(__WINDOWS__)
+
+#	if BYTE_ORDER == LITTLE_ENDIAN
+
+#		define htobe16(x) __builtin_bswap16(x)
+#		define htole16(x) (x)
+#		define be16toh(x) __builtin_bswap16(x)
+#		define le16toh(x) (x)
+
+#		define htobe32(x) __builtin_bswap32(x)
+#		define htole32(x) (x)
+#		define be32toh(x) __builtin_bswap32(x)
+#		define le32toh(x) (x)
+
+#		define htobe64(x) __builtin_bswap64(x)
+#		define htole64(x) (x)
+#		define be64toh(x) __builtin_bswap64(x)
+#		define le64toh(x) (x)
+
+#	elif BYTE_ORDER == BIG_ENDIAN
+
+		/* that would be xbox 360 */
+#		define htobe16(x) (x)
+#		define htole16(x) __builtin_bswap16(x)
+#		define be16toh(x) (x)
+#		define le16toh(x) __builtin_bswap16(x)
+
+#		define htobe32(x) (x)
+#		define htole32(x) __builtin_bswap32(x)
+#		define be32toh(x) (x)
+#		define le32toh(x) __builtin_bswap32(x)
+
+#		define htobe64(x) (x)
+#		define htole64(x) __builtin_bswap64(x)
+#		define be64toh(x) (x)
+#		define le64toh(x) __builtin_bswap64(x)
+
+#	else
+
+#		error byte order not supported
+
+#	endif
+
+#	define __BYTE_ORDER    BYTE_ORDER
+#	define __BIG_ENDIAN    BIG_ENDIAN
+#	define __LITTLE_ENDIAN LITTLE_ENDIAN
+#	define __PDP_ENDIAN    PDP_ENDIAN
+
+#else
+
+#	error platform not supported
+
+#endif
+
+#endif

dump1090.c

@@ -920,6 +920,7 @@ int main(int argc, char **argv) {
         }
     }
 
+    modesDeInitNet();
     interactiveCleanup();
 
     // Write final stats