X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Flibreadline.so_src%2Fmain.c;h=5937c6bd3d25cb59edc3d827099f067684fea136;hb=f8cde3fab5eb27ebacf9d76a7ac478a68a36a38b;hp=a12abc595f01a583782b4badfbbd01268ad88afc;hpb=8b31abd0e78318f75f952e59a8c3b65eea41cb86;p=tpg%2Facess2.git

diff --git a/Usermode/Libraries/libreadline.so_src/main.c b/Usermode/Libraries/libreadline.so_src/main.c
index a12abc59..5937c6bd 100644
--- a/Usermode/Libraries/libreadline.so_src/main.c
+++ b/Usermode/Libraries/libreadline.so_src/main.c
@@ -10,6 +10,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <errno.h>
 
 #define STDIN_FD	0
 #define STDOUT_FD	1
@@ -105,6 +106,7 @@ char *Readline_NonBlock(tReadline *Info)
 	}
 	
 	// Return NULL when command is still being edited
+	errno = EAGAIN;
 	return NULL;
 }
 
@@ -116,7 +118,7 @@ char *Readline(tReadline *Info)
 	struct ptymode	mode = {.InputMode = 0, .OutputMode = 0};
 	_SysIOCtl(STDIN_FD, PTY_IOCTL_SETMODE, &mode);
 	
-	while( NULL == (ret = Readline_NonBlock(Info)) );
+	while( NULL == (ret = Readline_NonBlock(Info)) && errno == EAGAIN );
 
 	// stty +echo,canon
 	mode.InputMode = PTYIMODE_CANON|PTYIMODE_ECHO;
@@ -280,7 +282,7 @@ int Readline_int_ParseCharacter(tReadline *Info, char *Input)
 	case '\b':
 		if(Info->BufferWritePos <= 0)	break;	// Protect against underflows
 		// Write the backsapce
-		_SysWrite(STDOUT_FD, &ch, 1);
+		_SysWrite(STDOUT_FD, "\b \b", 3);
 		if(Info->BufferWritePos == Info->BufferUsed)	// Simple case: End of string
 		{
 			Info->BufferUsed --;