blob/src command.c,1.9,1.10

[Stefan E. <se...@us...>]

Update of /cvsroot/blob/blob/src
In directory usw-pr-cvs1:/tmp/cvs-serv31277

Modified Files:
	command.c 
Log Message:
- added calls for command line history


Index: command.c
===================================================================
RCS file: /cvsroot/blob/blob/src/command.c,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -r1.9 -r1.10
--- command.c	2001/10/03 16:09:09	1.9
+++ command.c	2001/10/05 12:07:27	1.10
@@ -36,6 +36,7 @@
 #endif
 
 #include "command.h"
+#include "command_hist.h"
 #include "errno.h"
 #include "init.h"
 #include "serial.h"
@@ -48,7 +49,6 @@
 extern u32 __commandlist_end;
 
 
-
 /* the first command */
 commandlist_t *commands;
 
@@ -193,11 +193,13 @@
 	int i;
 	int numRead;
 	int maxRead = len - 1;
-	
+
 	TimerClearOverflow();
 
 	startTime = TimerGetTime();
 
+	cmdhist_reset();
+
 	for(numRead = 0, i = 0; numRead < maxRead;) {
 		/* try to get a byte from the serial port */
 		while(!SerialInputByte(&c)) {
@@ -208,6 +210,7 @@
 			   (timeout * TICKS_PER_SECOND)) {
 				/* timeout */
 				command[i++] = '\0';
+				cmdhist_push( command );
 				return(numRead);
 			}
 		}
@@ -217,6 +220,7 @@
 
 			/* print newline */
 			SerialOutputByte('\n');
+			cmdhist_push( command );
 			return(numRead);
 		} else if(c == '\b') { /* FIXME: is this backspace? */
 			if(i > 0) {
@@ -225,6 +229,36 @@
 				/* cursor one position back. */
 				SerialOutputString("\b \b");
 			}
+		} else if ( c == CMDHIST_KEY_UP ) {
+			char *cmd = NULL;
+			/* get cmd from history */
+			if ( cmdhist_next( &cmd ) != 0 )
+				continue;
+
+			/* clear line */
+			while ( numRead-- ) {
+				SerialOutputString("\b \b");
+			}
+
+			/* display it */
+			SerialOutputString(cmd);
+			i = numRead = strlen( cmd );
+			strcpy( command, cmd );
+		} else if ( c == CMDHIST_KEY_DN ) {
+			char *cmd = NULL;
+			/* get cmd from history */
+			if ( cmdhist_prev( &cmd ) != 0 )
+				continue;
+
+			/* clear line */
+			while ( numRead-- ) {
+				SerialOutputString("\b \b");
+			}
+
+			/* display it */
+			SerialOutputString(cmd);
+			i = numRead = strlen( cmd );
+			strcpy( command, cmd );
 		} else {
 			command[i++] = c;
 			numRead++;
@@ -234,5 +268,7 @@
 		}
 	}
 
+	cmdhist_push( command );
 	return(numRead);
 }
+