diff -Naur ttyrec-1.0.8-orig/io.c ttyrex-ttyrex/io.c
--- ttyrec-1.0.8-orig/io.c	2006-06-11 17:52:50.000000000 +0200
+++ ttyrex-ttyrex/io.c	2012-10-03 01:12:39.000000000 +0200
@@ -33,6 +33,8 @@
 
 #include <assert.h>
 #include <errno.h>
+#include <endian.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -40,50 +42,28 @@
 
 #include "ttyrec.h"
 
-#define SWAP_ENDIAN(val) ((unsigned int) ( \
-    (((unsigned int) (val) & (unsigned int) 0x000000ffU) << 24) | \
-    (((unsigned int) (val) & (unsigned int) 0x0000ff00U) <<  8) | \
-    (((unsigned int) (val) & (unsigned int) 0x00ff0000U) >>  8) | \
-    (((unsigned int) (val) & (unsigned int) 0xff000000U) >> 24)))
-
-static int 
-is_little_endian ()
-{
-    static int retval = -1;
-
-    if (retval == -1) {
-	int n = 1;
-	char *p = (char *)&n;
-	char x[] = {1, 0, 0, 0};
-
-	assert(sizeof(int) == 4);
-
-	if (memcmp(p, x, 4) == 0) {
-	    retval = 1;
-	} else {
-	    retval = 0;
-	}
-    }
-
-    return retval;
-}
-
-static int
-convert_to_little_endian (int x)
-{
-    if (is_little_endian()) {
-	return x;
-    } else {
-	return SWAP_ENDIAN(x);
-    }
+#define SWAP_ENDIAN(val) ((uint32_t) ( \
+    (((uint32_t) (val) & (uint32_t) 0x000000ffU) << 24) | \
+    (((uint32_t) (val) & (uint32_t) 0x0000ff00U) <<  8) | \
+    (((uint32_t) (val) & (uint32_t) 0x00ff0000U) >>  8) | \
+    (((uint32_t) (val) & (uint32_t) 0xff000000U) >> 24)))
+
+static uint32_t
+convert_to_little_endian (uint32_t x)
+{
+#if BYTE_ORDER == LITTLE_ENDIAN
+  return x;
+#else
+  return SWAP_ENDIAN(x);
+#endif
 }
 
 int
 read_header (FILE *fp, Header *h)
 {
-    int buf[3];
+    uint32_t buf[3];
 
-    if (fread(buf, sizeof(int), 3, fp) == 0) {
+    if (fread(buf, sizeof(uint32_t), 3, fp) == 0) {
 	return 0;
     }
 
@@ -97,13 +77,13 @@
 int
 write_header (FILE *fp, Header *h)
 {
-    int buf[3];
+    uint32_t buf[3];
 
     buf[0] = convert_to_little_endian(h->tv.tv_sec);
     buf[1] = convert_to_little_endian(h->tv.tv_usec);
     buf[2] = convert_to_little_endian(h->len);
 
-    if (fwrite(buf, sizeof(int), 3, fp) == 0) {
+    if (fwrite(buf, sizeof(uint32_t), 3, fp) == 0) {
 	return 0;
     }
 
@@ -158,4 +138,5 @@
 	fprintf(stderr, "%s: fdopen failed: %s\n", progname, strerror(errno));
 	exit(EXIT_FAILURE);
     }
+    return fp;
 }
diff -Naur ttyrec-1.0.8-orig/io.h ttyrex-ttyrex/io.h
--- ttyrec-1.0.8-orig/io.h	2006-06-11 17:52:50.000000000 +0200
+++ ttyrex-ttyrex/io.h	2012-10-03 01:12:39.000000000 +0200
@@ -9,5 +9,6 @@
 int     edup            (int oldfd);
 int     edup2           (int oldfd, int newfd);
 FILE*   efdopen         (int fd, const char *mode);
+void    set_progname (const char *name);
 
 #endif
diff -Naur ttyrec-1.0.8-orig/Makefile ttyrex-ttyrex/Makefile
--- ttyrec-1.0.8-orig/Makefile	2006-06-11 17:52:50.000000000 +0200
+++ ttyrex-ttyrex/Makefile	2012-10-03 01:12:39.000000000 +0200
@@ -1,7 +1,10 @@
 CC = gcc
-CFLAGS = -O2
+DEFS= -DSVR4 -D_GNU_SOURCE
+CFLAGS = -O2 -g -fomit-frame-pointer -Wall $(DEFS)
 VERSION = 1.0.8
 
+DESTDIR=
+
 TARGET = ttyrec ttyplay ttytime
 
 DIST =	ttyrec.c ttyplay.c ttyrec.h io.c io.h ttytime.c\
@@ -18,6 +21,9 @@
 ttytime: ttytime.o io.o
 	$(CC) $(CFLAGS) -o ttytime ttytime.o io.o
 
+install:
+	install ttyrec ttyplay ttytime $(DESTDIR)/usr/bin
+
 clean:
 	rm -f *.o $(TARGET) ttyrecord *~
 
diff -Naur ttyrec-1.0.8-orig/ttyplay.1 ttyrex-ttyrex/ttyplay.1
--- ttyrec-1.0.8-orig/ttyplay.1	2006-06-11 17:52:50.000000000 +0200
+++ ttyrex-ttyrex/ttyplay.1	2012-10-03 01:12:39.000000000 +0200
@@ -38,6 +38,9 @@
 .BI \- " or " s
  halve the speed of playback.
 .TP
+.BI 0
+set playback speed to 0, pausing playback.
+.TP
 .BI 1
 set playback to speed 1.0 again.
 
diff -Naur ttyrec-1.0.8-orig/ttyplay.c ttyrex-ttyrex/ttyplay.c
--- ttyrec-1.0.8-orig/ttyplay.c	2006-06-11 17:52:50.000000000 +0200
+++ ttyrex-ttyrex/ttyplay.c	2012-10-03 01:12:39.000000000 +0200
@@ -83,16 +83,21 @@
     static struct timeval drift = {0, 0};
     struct timeval start;
     struct timeval diff = timeval_diff(prev, cur);
+    struct timeval *diffp = &diff;
     fd_set readfs;
 
     gettimeofday(&start, NULL);
 
-    assert(speed != 0);
-    diff = timeval_diff(drift, timeval_div(diff, speed));
+    if (speed == 0.0)
+      diffp = NULL;
+    else
+      diff = timeval_diff(drift, timeval_div(diff, speed));
+
     if (diff.tv_sec < 0) {
 	diff.tv_sec = diff.tv_usec = 0;
     }
 
+    FD_ZERO(&readfs);
     FD_SET(STDIN_FILENO, &readfs);
     /* 
      * We use select() for sleeping with subsecond precision.
@@ -101,9 +106,10 @@
      * Save "diff" since select(2) may overwrite it to {0, 0}. 
      */
     struct timeval orig_diff = diff;
-    select(1, &readfs, NULL, NULL, &diff);
+    int r;
+    r = select(1, &readfs, NULL, NULL, diffp); /* skip if a user hits any key */
     diff = orig_diff;  /* Restore the original diff value. */
-    if (FD_ISSET(0, &readfs)) { /* a user hits a character? */
+    if (r > 0 && FD_ISSET(0, &readfs)) { /* a user hits a character? */
         char c;
         read(STDIN_FILENO, &c, 1); /* drain the character */
         switch (c) {
@@ -118,6 +124,9 @@
         case '1':
             speed = 1.0;
             break;
+        case '0':
+            speed = 0.0;
+            break;
         }
 	drift.tv_sec = drift.tv_usec = 0;
     } else {
@@ -136,14 +145,21 @@
 ttynowait (struct timeval prev, struct timeval cur, double speed)
 {
     /* do nothing */
-    return 0; /* Speed isn't important. */
+    return 1.0; /* Speed isn't important. */
 }
 
 int
 ttyread (FILE *fp, Header *h, char **buf)
 {
+    fpos_t pos;
+    int can_seek=0;
+    if (fgetpos(fp, &pos) == 0) {
+	can_seek=1;
+    }
+    clearerr(fp);
+
     if (read_header(fp, h) == 0) {
-	return 0;
+	goto err;
     }
 
     *buf = malloc(h->len);
@@ -152,9 +168,21 @@
     }
 	
     if (fread(*buf, 1, h->len, fp) == 0) {
-	perror("fread");
+	goto err;
     }
     return 1;
+
+err:
+    if (ferror(fp)) {
+	perror("fread");
+    }
+    else {
+	/* Short read. Seek back to before header, to set up for retry. */
+	if (can_seek) {
+	    fsetpos(fp, &pos);
+	}
+    }
+    return 0;
 }
 
 int
@@ -202,7 +230,9 @@
 	}
 
 	if (!first_time) {
-	    speed = wait_func(prev, h.tv, speed);
+	    do {
+		speed = wait_func(prev, h.tv, speed);
+	    } while (speed == 0.0);
 	}
 	first_time = 0;
 
@@ -252,7 +282,6 @@
 FILE *
 input_from_stdin (void)
 {
-    FILE *fp;
     int fd = edup(STDIN_FILENO);
     edup2(STDOUT_FILENO, STDIN_FILENO);
     return efdopen(fd, "r");
diff -Naur ttyrec-1.0.8-orig/ttyrec.1 ttyrex-ttyrex/ttyrec.1
--- ttyrec-1.0.8-orig/ttyrec.1	2006-06-11 17:52:50.000000000 +0200
+++ ttyrex-ttyrex/ttyrec.1	2012-10-03 01:12:39.000000000 +0200
@@ -7,7 +7,7 @@
 .SH SYNOPSIS
 .br
 .B ttyrec
-.I "[\-a][\-u] [file]"
+.I "[\-a] [\-f] [\-u] [\-e command] [\-l limit] [file]"
 .br
 .SH DESCRIPTION
 .B Ttyrec
@@ -36,6 +36,9 @@
 .IR ttyrecord ,
 rather than overwriting it.
 .TP
+.B \-f
+Instead of failing, try hard to just run a shell without recording.
+.TP
 .B \-u
 With this option,
 .B ttyrec
@@ -54,8 +57,9 @@
 Invoke 
 .I command
 when ttyrec starts.
-
-
+.TP
+.BI \-l " limit"
+Only log the first limit bytes of each second.
 .SH ENVIRONMENT
 .TP
 .I SHELL
diff -Naur ttyrec-1.0.8-orig/ttyrec.c ttyrex-ttyrex/ttyrec.c
--- ttyrec-1.0.8-orig/ttyrec.c	2006-06-11 17:52:50.000000000 +0200
+++ ttyrex-ttyrex/ttyrec.c	2012-10-03 01:12:39.000000000 +0200
@@ -39,6 +39,10 @@
  * - modify `script' to create `ttyrec'.
  */
 
+/* 2012-10-03 Antoine Amarilli <a3nm@a3nm.net>
+ * - add -f and -l
+ */
+
 /*
  * script
  */
@@ -92,6 +96,8 @@
 void doinput(void);
 void dooutput(void);
 void doshell(const char*);
+void spawnshell();
+void dowrites(Header, int, char*);
 
 char	*shell;
 FILE	*fscript;
@@ -112,19 +118,29 @@
 #endif /* !SVR4 */
 int	aflg;
 int	uflg;
+int	force;
+int	limit;
+char *command = NULL;
+
+static void
+resize(int dummy) {
+	/* transmit window change information to the child */
+	(void) ioctl(0, TIOCGWINSZ, (char *)&win);
+	(void) ioctl(master, TIOCSWINSZ, (char *)&win);
+}
 
 int
 main(argc, argv)
 	int argc;
 	char *argv[];
 {
+	struct sigaction sa;
 	extern int optind;
 	int ch;
 	void finish();
 	char *getenv();
-	char *command = NULL;
 
-	while ((ch = getopt(argc, argv, "aue:h?")) != EOF)
+	while ((ch = getopt(argc, argv, "auefl:h?")) != EOF)
 		switch((char)ch) {
 		case 'a':
 			aflg++;
@@ -135,10 +151,16 @@
 		case 'e':
 			command = strdup(optarg);
 			break;
+		case 'l':
+			limit = atoi(optarg);
+			break;
+		case 'f':
+                        force = 1;
+                        break;
 		case 'h':
 		case '?':
 		default:
-			fprintf(stderr, _("usage: ttyrec [-u] [-e command] [-a] [file]\n"));
+			fprintf(stderr, _("usage: ttyrec [-u] [-e command] [-a] [-f] [-l limit] [file]\n"));
 			exit(1);
 		}
 	argc -= optind;
@@ -148,36 +170,45 @@
 		fname = argv[0];
 	else
 		fname = "ttyrecord";
-	if ((fscript = fopen(fname, aflg ? "a" : "w")) == NULL) {
-		perror(fname);
-		fail();
-	}
-	setbuf(fscript, NULL);
 
 	shell = getenv("SHELL");
 	if (shell == NULL)
 		shell = "/bin/sh";
 
-	getmaster();
-	fixtty();
-
-	(void) signal(SIGCHLD, finish);
-	child = fork();
-	if (child < 0) {
-		perror("fork");
-		fail();
-	}
-	if (child == 0) {
-		subchild = child = fork();
-		if (child < 0) {
-			perror("fork");
-			fail();
-		}
-		if (child)
-			dooutput();
-		else
-			doshell(command);
+	if ((fscript = fopen(fname, aflg ? "a" : "w")) == NULL) {
+		if (!force) perror(fname);
+                fail();
 	}
+        setbuf(fscript, NULL);
+
+        getmaster();
+        fixtty();
+
+	sigemptyset(&sa.sa_mask);
+	sa.sa_flags = 0;
+	sa.sa_handler = finish;
+	sigaction(SIGCHLD, &sa, NULL);
+        child = fork();
+        if (child < 0) {
+                if (!force) perror("fork");
+                fail();
+        }
+        if (child == 0) {
+                subchild = child = fork();
+                if (child < 0) {
+                        if (!force) perror("fork");
+                        fail();
+                }
+                if (child) {
+                        sa.sa_flags = SA_RESTART;
+                        sigaction(SIGCHLD, &sa, NULL);
+                        dooutput();
+                } else
+                        doshell(command);
+        }
+        sa.sa_handler = resize;
+        sa.sa_flags = SA_RESTART;
+        sigaction(SIGWINCH, &sa, NULL);
 	doinput();
 
 	return 0;
@@ -209,14 +240,10 @@
 	union wait status;
 #endif /* !SVR4 */
 	register int pid;
-	register int die = 0;
 
 	while ((pid = wait3((int *)&status, WNOHANG, 0)) > 0)
 		if (pid == child)
-			die = 1;
-
-	if (die)
-		done();
+			break;
 }
 
 struct linebuf {
@@ -250,8 +277,8 @@
     }
 }
 
-void
-check_output(const char *str, int len)
+static void
+uu_check_output(const char *str, int len)
 {
     static struct linebuf lbuf = {"", 0};
     int i;
@@ -276,11 +303,42 @@
     }
 }
 
+static int
+check_output(char *str, int len)
+{
+    char *p;
+
+    /* If we see query string, remove it */
+    /* ESC [ > 0 c : Send Device Attributes */
+    if (len >= 5 && (p = strstr(str, "\e[>0c")) != NULL) {
+	if (len == 5)
+	    return 0;
+	memmove(p, p+5, len-5+1-(p-str));
+	return len-5;
+    }
+
+    return len;
+}
+
+void
+dowrites(Header h, int cc, char *obuf) {
+		if ((cc = check_output(obuf, cc))) {
+			(void) write_header(fscript, &h);
+			(void) fwrite(obuf, 1, cc, fscript);
+		}
+}
+
 void
 dooutput()
 {
 	int cc;
+        int lcc = 0;
 	char obuf[BUFSIZ];
+	char lobuf[BUFSIZ];
+        time_t lastsec = 0;
+        int readsec = 0;
+        Header h;
+        Header lh;
 
 	setbuf(stdout, NULL);
 	(void) close(0);
@@ -288,18 +346,42 @@
 	(void) close(slave);
 #endif
 	for (;;) {
-		Header h;
 
 		cc = read(master, obuf, BUFSIZ);
-		if (cc <= 0)
+		if (cc <= 0) {
+                        if (lcc) {
+                          // do the last chunk of ignored data
+                          dowrites(lh, lcc, lobuf);
+                          lcc = 0;
+                        }
 			break;
+                }
 		if (uflg)
-		    check_output(obuf, cc);
+		    uu_check_output(obuf, cc);
 		h.len = cc;
 		gettimeofday(&h.tv, NULL);
 		(void) write(1, obuf, cc);
-		(void) write_header(fscript, &h);
-		(void) fwrite(obuf, 1, cc, fscript);
+                if (limit) {
+                  if (h.tv.tv_sec == lastsec) {
+                    if (readsec >= limit) {
+                      // TODO: avoid this by cycling between two buffers
+                      strncpy(lobuf, obuf, BUFSIZ);
+                      lcc = cc;
+                      lh = h;
+                      continue;
+                    }
+                    readsec += cc;
+                  } else {
+                    if (lcc) {
+                      // do the last chunk of ignored data
+                      dowrites(lh, lcc, lobuf);
+                      lcc = 0;
+                    }
+                    lastsec = h.tv.tv_sec;
+                    readsec = cc;
+                  }
+                }
+                dowrites(h, cc, obuf);
 	}
 	done();
 }
@@ -324,11 +406,7 @@
 	(void) dup2(slave, 2);
 	(void) close(slave);
 
-	if (!command) {
-		execl(shell, strrchr(shell, '/') + 1, "-i", 0);
-	} else {
-		execl(shell, strrchr(shell, '/') + 1, "-c", command, 0);	
-	}
+        spawnshell();
 	perror(shell);
 	fail();
 }
@@ -340,6 +418,9 @@
 
 	rtt = tt;
 #if defined(SVR4)
+#if !defined(XCASE)
+#define XCASE 0
+#endif
 	rtt.c_iflag = 0;
 	rtt.c_lflag &= ~(ISIG|ICANON|XCASE|ECHO|ECHOE|ECHOK|ECHONL);
 	rtt.c_oflag = OPOST;
@@ -359,7 +440,10 @@
 void
 fail()
 {
-
+        if (force) {
+                spawnshell();
+                perror(shell);
+        }
 	(void) kill(0, SIGTERM);
 	done();
 }
@@ -383,7 +467,7 @@
 	(void) tcgetattr(0, &tt);
 	(void) ioctl(0, TIOCGWINSZ, (char *)&win);
 	if ((master = open("/dev/ptmx", O_RDWR)) < 0) {
-		perror("open(\"/dev/ptmx\", O_RDWR)");
+		if (!force) perror("open(\"/dev/ptmx\", O_RDWR)");
 		fail();
 	}
 #else /* !SVR4 */
@@ -397,7 +481,7 @@
 #else
 #ifdef HAVE_getpt
 	if ((master = getpt()) < 0) {
-		perror("getpt()");
+		if (!force) perror("getpt()");
 		fail();
 	}
 #else
@@ -446,32 +530,34 @@
 	grantpt( master);
 	unlockpt(master);
 	if ((slave = open((const char *)ptsname(master), O_RDWR)) < 0) {
-		perror("open(fd, O_RDWR)");
+		if (!force) perror("open(fd, O_RDWR)");
 		fail();
 	}
 	if (isastream(slave)) {
 		if (ioctl(slave, I_PUSH, "ptem") < 0) {
-			perror("ioctl(fd, I_PUSH, ptem)");
+			if (!force) perror("ioctl(fd, I_PUSH, ptem)");
 			fail();
 		}
 		if (ioctl(slave, I_PUSH, "ldterm") < 0) {
-			perror("ioctl(fd, I_PUSH, ldterm)");
+			if (!force) perror("ioctl(fd, I_PUSH, ldterm)");
 			fail();
 		}
 #ifndef _HPUX_SOURCE
 		if (ioctl(slave, I_PUSH, "ttcompat") < 0) {
-			perror("ioctl(fd, I_PUSH, ttcompat)");
+			if (!force) perror("ioctl(fd, I_PUSH, ttcompat)");
 			fail();
 		}
 #endif
-		(void) ioctl(0, TIOCGWINSZ, (char *)&win);
 	}
+	(void) tcsetattr(slave, TCSAFLUSH, &tt);
+	(void) ioctl(slave, TIOCSWINSZ, (char *)&win);
+	(void) ioctl(slave, TIOCSCTTY, 0);
 #else /* !SVR4 */
 #ifndef HAVE_openpty
 	line[strlen("/dev/")] = 't';
 	slave = open(line, O_RDWR);
 	if (slave < 0) {
-		perror(line);
+		if (!force) perror(line);
 		fail();
 	}
 	(void) tcsetattr(slave, TCSAFLUSH, &tt);
@@ -481,3 +567,15 @@
 	(void) ioctl(slave, TIOCSCTTY, 0);
 #endif /* SVR4 */
 }
+
+void
+spawnshell()
+{
+        force = 0;
+
+	if (!command) {
+		execl(shell, strrchr(shell, '/') + 1, "-i", NULL);
+	} else {
+		execl(shell, strrchr(shell, '/') + 1, "-c", command, NULL);
+	}
+}