Add osdep-cgywin.c as a copy of osdep-linux.c, from J Raynor.

TODO

@@ -132,5 +132,3 @@
 	  binding to a command that says "next key from $othertable" and so
 	  on. means -n can go away as well
 	* customizable command aliases
-	* get_cwd for cgywin
-

configure.ac

@@ -501,6 +501,10 @@ case "$host_os" in
 		AC_MSG_RESULT(hpux)
 		PLATFORM=hpux
 		;;
+	*cygwin*)
+		AC_MSG_RESULT(cygwin)
+		PLATFORM=cygwin
+		;;
 	*)
 		AC_MSG_RESULT(unknown)
 		PLATFORM=unknown

osdep-cygwin.c

@@ -0,0 +1,88 @@
+/* $Id$ */
+
+/*
+ * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <event.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "tmux.h"
+
+char *
+osdep_get_name(int fd, unused char *tty)
+{
+	FILE	*f;
+	char	*path, *buf;
+	size_t	 len;
+	int	 ch;
+	pid_t	 pgrp;
+
+	if ((pgrp = tcgetpgrp(fd)) == -1)
+		return (NULL);
+
+	xasprintf(&path, "/proc/%lld/cmdline", (long long) pgrp);
+	if ((f = fopen(path, "r")) == NULL) {
+		free(path);
+		return (NULL);
+	}
+	free(path);
+
+	len = 0;
+	buf = NULL;
+	while ((ch = fgetc(f)) != EOF) {
+		if (ch == '\0')
+			break;
+		buf = xrealloc(buf, 1, len + 2);
+		buf[len++] = ch;
+	}
+	if (buf != NULL)
+		buf[len] = '\0';
+
+	fclose(f);
+	return (buf);
+}
+
+char *
+osdep_get_cwd(int fd)
+{
+	static char	 target[MAXPATHLEN + 1];
+	char		*path;
+	pid_t		 pgrp;
+	ssize_t		 n;
+
+	if ((pgrp = tcgetpgrp(fd)) == -1)
+		return (NULL);
+
+	xasprintf(&path, "/proc/%lld/cwd", (long long) pgrp);
+	n = readlink(path, target, MAXPATHLEN);
+	free(path);
+	if (n > 0) {
+		target[n] = '\0';
+		return (target);
+	}
+	return (NULL);
+}
+
+struct event_base *
+osdep_event_init(void)
+{
+	return (event_init());
+}