From 38897b2053f81eb7f46d936159c8f29ecb5c4e99 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Thu, 11 Aug 2005 16:43:37 +0000
Subject: Generate interrupt key (according to terminal settings) when user
 presses DEL.

---
 src/cmd/9term/9term.c  | 14 +++++++++++---
 src/cmd/9term/SunOS.c  |  9 +++++++++
 src/cmd/9term/bsdpty.c |  9 +++++++++
 src/cmd/9term/term.h   |  1 +
 4 files changed, 30 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/cmd/9term/9term.c b/src/cmd/9term/9term.c
index c18e78c1..33104df1 100644
--- a/src/cmd/9term/9term.c
+++ b/src/cmd/9term/9term.c
@@ -946,13 +946,16 @@ key(Rune r)
 	}
 
 	if(r == 0x7F){	/* DEL: send interrupt; what a mess */
+		char rubout[1];
+		
 		if(holdon){
 			holdon = 0;
 			drawhold(holdon);
 		}
 		t.qh = t.q0 = t.q1 = t.nr;
 		show(t.q0);
-		write(rcfd, "\x7F", 1);
+		rubout[0] = getintr(sfd);
+		write(rcfd, rubout, 1);
 		return;
 	}
 
@@ -1031,7 +1034,7 @@ consready(void)
 	/* look to see if there is a complete line */
 	for(i=t.qh; i<t.nr; i++){
 		c = t.r[i];
-		if(c=='\n' || c=='\004' || c=='\x7F')
+		if(c=='\n' || c=='\004' || c==0x7F)
 			return 1;
 	}
 	return 0;
@@ -1062,7 +1065,12 @@ consread(void)
 			c = *p;
 			p += width;
 			n -= width;
-			if(!raw && (c == '\n' || c == '\004' || c == '\x7F'))
+			if(c == 0x7F){
+				*(p-1) = getintr(sfd);
+				if(!raw)
+					break;
+			}
+			if(!raw && (c == '\n' || c == '\004'))
 				break;
 		}
 		n = p-buf;
diff --git a/src/cmd/9term/SunOS.c b/src/cmd/9term/SunOS.c
index 467f0d23..77ef2823 100644
--- a/src/cmd/9term/SunOS.c
+++ b/src/cmd/9term/SunOS.c
@@ -95,3 +95,12 @@ setecho(int fd, int newe)
 	}
 	return old;
 }
+
+int
+getintr(int fd)
+{
+	if((tcgetattr(fd, &ttmode) < 0)
+		return 0x7F;
+	return ttmode.c_cc[VINTR];
+}
+
diff --git a/src/cmd/9term/bsdpty.c b/src/cmd/9term/bsdpty.c
index 0de9137d..915836a8 100644
--- a/src/cmd/9term/bsdpty.c
+++ b/src/cmd/9term/bsdpty.c
@@ -117,3 +117,12 @@ setecho(int fd, int newe)
 	}
 	return old;
 }
+
+int
+getintr(int fd)
+{
+	if(tcgetattr(fd, &ttmode) < 0)
+		return 0x7F;
+	return ttmode.c_cc[VINTR];
+}
+
diff --git a/src/cmd/9term/term.h b/src/cmd/9term/term.h
index 62ef0e68..272b4847 100644
--- a/src/cmd/9term/term.h
+++ b/src/cmd/9term/term.h
@@ -6,3 +6,4 @@ extern int rcstart(int, char*[], int*, int*);
 extern int isecho(int);
 extern int setecho(int, int);
 extern int noecho;
+extern int getintr(int);
-- 
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