build with mingw

[fw/stlink] / mingw / mingw.h

diff --git a/mingw/mingw.h b/mingw/mingw.h
new file mode 100644 (file)
index 0000000..93b3702
--- /dev/null
+++ b/mingw/mingw.h
@@ -0,0 +1,61 @@
+#ifdef __MINGW32__
+
+#include <io.h>
+
+#include <winsock.h>
+
+#define ENOTCONN        WSAENOTCONN
+#define EWOULDBLOCK     WSAEWOULDBLOCK
+#define ENOBUFS         WSAENOBUFS
+#define ECONNRESET      WSAECONNRESET
+#define ESHUTDOWN       WSAESHUTDOWN
+#define EAFNOSUPPORT    WSAEAFNOSUPPORT
+#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
+#define EINPROGRESS     WSAEINPROGRESS
+#define EISCONN         WSAEISCONN
+
+/* winsock doesn't feature poll(), so there is a version implemented
+ * in terms of select() in mingw.c. The following definitions
+ * are copied from linux man pages. A poll() macro is defined to
+ * call the version in mingw.c.
+ */
+#define POLLIN      0x0001    /* There is data to read */
+#define POLLPRI     0x0002    /* There is urgent data to read */
+#define POLLOUT     0x0004    /* Writing now will not block */
+#define POLLERR     0x0008    /* Error condition */
+#define POLLHUP     0x0010    /* Hung up */
+#define POLLNVAL    0x0020    /* Invalid request: fd not open */
+struct pollfd {
+    SOCKET fd;        /* file descriptor */
+    short events;     /* requested events */
+    short revents;    /* returned events */
+};
+#define poll(x, y, z)        win32_poll(x, y, z)
+
+/* These wrappers do nothing special except set the global errno variable if
+ * an error occurs (winsock doesn't do this by default). They set errno
+ * to unix-like values (i.e. WSAEWOULDBLOCK is mapped to EAGAIN), so code
+ * outside of this file "shouldn't" have to worry about winsock specific error
+ * handling.
+ */
+#define socket(x, y, z)      win32_socket(x, y, z)
+#define connect(x, y, z)     win32_connect(x, y, z)
+#define accept(x, y, z)      win32_accept(x, y, z)
+#define shutdown(x, y)       win32_shutdown(x, y)
+
+/* Winsock uses int instead of the usual socklen_t */
+typedef int socklen_t;
+
+int     win32_poll(struct pollfd *, unsigned int, int);
+SOCKET  win32_socket(int, int, int);
+int     win32_connect(SOCKET, struct sockaddr*, socklen_t);
+SOCKET  win32_accept(SOCKET, struct sockaddr*, socklen_t *);
+int     win32_shutdown(SOCKET, int);
+
+#define strtok_r(x, y, z)      win32_strtok_r(x, y, z)
+#define strsep(x,y) win32_strsep(x,y)
+
+char *win32_strtok_r(char *s, const char *delim, char **lasts);
+char *win32_strsep(char **stringp, const char *delim);
+
+#endif