Fix 1887179, and add new command line option "-i"

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@999 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -1,3 +1,9 @@
+2008-02-07  Kolja Waschk <kawk>
+
+    * src/jtag.c, doc/jtag.1: Fix dropthrough to caller if -n was given
+        (fixes [1887179] reported by A.Dyer), add command line option "-i"
+        to run interactive mode even after executing commands from files
+
 2008-02-07  Arnim Laeuger  <arniml@users.sourceforge.net>
 
     * src/tap/cable/ft2232.c (ft2232_connect): check parport driver setting

jtag/doc/jtag.1

@@ -17,6 +17,9 @@ UrJTAG is a software package which enables working with JTAG-aware (IEEE
 .I \-h, \-\-help
 Display a short help text and exit
 .TP
+.I \-i, \-\-interactive
+Enter interactive mode after executing commands from files (this is the default if no files are named on the command line)
+.TP
 .I \-n, \-\-norc
 Disable reading ~/.jtag/rc on startup
 .TP

jtag/src/jtag.c

@@ -336,6 +336,7 @@ main( int argc, char *const argv[] )
 	int i;
 	int c;
 	int norc = 0;
+	int interactive = 0;
 	int help = 0;
 	int version = 0;
 	
@@ -358,6 +359,7 @@ main( int argc, char *const argv[] )
 		{
 			{"version", no_argument,      0, 'v'},
 			{"norc",    no_argument,      0, 'n'},
+			{"interactive", no_argument,  0, 'i'},
 			{"help",    no_argument,      0, 'h'},
 			{0, 0, 0, 0}
 		};
@@ -365,7 +367,7 @@ main( int argc, char *const argv[] )
 		/* `getopt_long' stores the option index here. */
 		int option_index = 0;
 
-		c = getopt_long (argc, argv, "vnh",
+		c = getopt_long (argc, argv, "vnhi",
 		long_options, &option_index);
 
 		/* Detect the end of the options. */
@@ -382,6 +384,10 @@ main( int argc, char *const argv[] )
 			norc = 1;
 			break;
 
+		case 'i':
+			interactive = 1;
+			break;
+
 		case 'h':
 		default:
 			help = 1;
@@ -401,10 +407,9 @@ main( int argc, char *const argv[] )
 		printf (_("  -h, --help          display this help and exit\n"));
 		printf (_("  -v, --version       display version information and exit\n"));
 		printf ("\n");
-
 		printf (_("  -n, --norc          disable reading ~/.jtag/rc on startup\n"));
+		printf (_("  -i, --interactive   enter interactive mode after reading files\n"));
 		printf ("\n");
-
 		printf (_("  [FILE]              file containing commands to execute\n"));
 		printf ("\n");
 
@@ -455,7 +460,8 @@ main( int argc, char *const argv[] )
 				break;
 			}
 		}
-		return 0;
+
+		if(!interactive) return 0;
 	}
 
 	/* input from stdin */
@@ -497,7 +503,7 @@ main( int argc, char *const argv[] )
 	jtag_create_jtagdir();
 
 	/* Parse and execute the RC file */
-	if(!norc) go = jtag_parse_rc();
+	go = norc ? 1 : jtag_parse_rc();
 
 	if (go) {