Add -z option to ignore EOF character rather than exiting.

diff --git a/sersniff.8 b/sersniff.8
index 97d012e917a10ecbcee90355184b7b8a2835b354..1714cffd7474e544a64150aba11f1b5054501360 100644 (file)
--- a/sersniff.8
+++ b/sersniff.8
@@ -19,7 +19,7 @@
 sersniff \- a program to tunnel/sniff between 2 serial ports
 .SH SYNOPSIS
 .B sersniff
-.RI [-h] [-i DEVICE ] [-o DEVICE] [-b BAUD] [-s] [-n] [-w USECS]
+.RI [-h] [-i DEVICE ] [-o DEVICE] [-b BAUD] [-s] [-n] [-w USECS] [-z]
 .SH DESCRIPTION
 This manual page explains how to use the
 .B sersniff
@@ -63,6 +63,10 @@ How many microsecs to wait before reporting a delay
 .TP
 .B \-x
 Show hex characters instead of normal ASCII characters.
+.TP
+.B \-z
+Don't quit when an EOF character is received.
+.TP
 .B \-f
 Specify the format string that should be used to print hex characters.
 .SH AUTHOR

diff --git a/sersniff.c b/sersniff.c
index 45572dc15f91b61c70a490e2aa87aa95fdd8a0c4..bb6664fb95f928169e4461481ef2179b7f4413a6 100644 (file)
--- a/sersniff.c
+++ b/sersniff.c
@@ -4,6 +4,7 @@
        working out the protocol between a Nokia 9000i and NServer.
        Written by Jonathan McDowell for Project Purple, 1999
        Extra stuff by Cornelius Cook (cook@cpoint.net), 1999
+       OSX support and EOF support by Pete Baker (peteb4ker@gmail.com), 2011
 
        This program is free software; you can redistribute it and/or
        modify it under the terms of the GNU General Public License
@@ -23,6 +24,7 @@
        07/09/1999 - Started writing.
        21Nov1999  - Cook: added command line support and extra error checking
        27Nov1999  - Cook: added select, timer & changed output look
+       24Jun2011 - Baker: Added OSX support. Added EOF character support
 */
 
 #define VERSION "0.0.4"
@@ -126,7 +128,7 @@ void outputchar(unsigned char c, int port, int alpha,
        disp_outputstr(port, todisplay, usec_threshold, usec_waited, name1, name2);
 }
 
-void mainloop(int port1, int port2, int silent, int alpha, long usec_threshold, char *name1, char *name2, char *format)
+void mainloop(int port1, int port2, int silent, int alpha, int quit_on_eof, long usec_threshold, char *name1, char *name2, char *format)
 {
        unsigned char c1, c2;
        int rc;
@@ -179,7 +181,7 @@ void mainloop(int port1, int port2, int silent, int alpha, long usec_threshold,
                                timediff=0;
                                if (!silent) write(port2,&c1,1);
                        }
-                       if (rc==0) {
+                       if (rc==0 && quit_on_eof==1) {
                                /* EOF? */
                                quit=1;
                        }
@@ -196,7 +198,7 @@ void mainloop(int port1, int port2, int silent, int alpha, long usec_threshold,
                                timediff=0;
                                if (!silent) write(port1,&c2,1);
                        }       
-                       if (rc==0) {
+                       if (rc==0 && quit_on_eof==1) {
                                /* EOF? */
                                quit=1;
                        }
@@ -246,6 +248,7 @@ void usage()
 "                      (default is %d)\n"
 "-s            Silent - don't pass data from port1 <=> port2,\n"
 "                      just display what we see from them.\n"
+"-z            Don't quit when an EOF character is received.\n"
 ,VERSION,USEC);
        exit(1);
 }
@@ -266,9 +269,10 @@ int main(int argc, char *argv[])
        int silent=0;
        long usec_threshold=USEC;
        int setup_port=1;
+       int quit_on_eof=1;
        char *format=NULL;
 
-       while ((optret=getopt(argc,argv,"hxsni:l:o:c:b:w:1:2:f:"))!=EOF) {
+       while ((optret=getopt(argc,argv,"hxsnzi:l:o:c:b:w:1:2:f:"))!=EOF) {
                switch (optret) {
                case '?': case 'h': case ':':
                        usage();
@@ -327,6 +331,9 @@ int main(int argc, char *argv[])
                case 'f':
                        format=strdup(optarg);
                        break;
+               case 'z':
+                       quit_on_eof=0;
+                       break;
                }
        }
 
@@ -358,7 +365,7 @@ int main(int argc, char *argv[])
                exit(1);
        }
 
-       mainloop(port1, port2, silent, show_alpha, usec_threshold, name1, name2, format);
+       mainloop(port1, port2, silent, show_alpha, quit_on_eof, usec_threshold, name1, name2, format);
 
        /* Clean up */
        if (dev1) free(dev1);