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diff -u -r -N ../tmux-1.8/compat/forkpty-linux.c ./compat/forkpty-linux.c
--- ../tmux-1.8/compat/forkpty-linux.c 1970-01-01 01:00:00.000000000 +0100
+++ ./compat/forkpty-linux.c 2014-01-08 12:44:00.885192436 +0100
@@ -0,0 +1,63 @@
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <stdlib.h>
+#include <termios.h>
+#include <unistd.h>
+
+int login_tty(int fd)
+{
+ setsid();
+ if (ioctl(fd, TIOCSCTTY, NULL) == -1) return -1;
+ dup2(fd, 0);
+ dup2(fd, 1);
+ dup2(fd, 2);
+ if (fd > 2) close(fd);
+ return 0;
+}
+
+int openpty(int *amaster, int *aslave, char *name, struct termios *termp, struct winsize *winp)
+{
+ char buf[512];
+ int master, slave;
+
+ master = open("/dev/ptmx", O_RDWR);
+ if (master == -1) return -1;
+ if (grantpt(master) || unlockpt(master) || ptsname_r(master, buf, sizeof buf)) goto fail;
+
+ slave = open(buf, O_RDWR | O_NOCTTY);
+ if (slave == -1) goto fail;
+
+ /* XXX Should we ignore errors here? */
+ if (termp) tcsetattr(slave, TCSAFLUSH, termp);
+ if (winp) ioctl(slave, TIOCSWINSZ, winp);
+
+ *amaster = master;
+ *aslave = slave;
+ if (name != NULL) strcpy(name, buf);
+ return 0;
+
+fail:
+ close(master);
+ return -1;
+}
+
+
+int forkpty(int *amaster, char *name, struct termios *termp, struct winsize *winp)
+{
+ int master, slave, pid;
+ if (openpty(&master, &slave, name, termp, winp) == -1) return -1;
+ switch (pid = fork()) {
+ case -1:
+ return -1;
+ case 0:
+ close(master);
+ if (login_tty (slave)) _exit (1);
+ return 0;
+ default:
+ *amaster = master;
+ close (slave);
+ return pid;
+ }
+}
diff -u -r -N ../tmux-1.8/compat/imsg-buffer.c ./compat/imsg-buffer.c
--- ../tmux-1.8/compat/imsg-buffer.c 2013-02-10 17:20:15.000000000 +0100
+++ ./compat/imsg-buffer.c 2014-01-08 12:33:53.721206934 +0100
@@ -28,6 +28,10 @@
#include "tmux.h"
+#ifndef IOV_MAX
+# define IOV_MAX 1024
+#endif
+
int ibuf_realloc(struct ibuf *, size_t);
void ibuf_enqueue(struct msgbuf *, struct ibuf *);
void ibuf_dequeue(struct msgbuf *, struct ibuf *);