Fix from Keith Bostic <bostic@bsdi.com> for bug in sed dealing with

continuation lines.

Submitted by:	Keith Bostic via Kirk McKusick

1 files changed, 7 insertions, 5 deletions

diff --git a/usr.bin/sed/compile.c b/usr.bin/sed/compile.c
index 9f13fd7..b793d08 100644
--- a/usr.bin/sed/compile.c
+++ b/usr.bin/sed/compile.c
@@ -615,7 +615,7 @@ compile_tr(p, transtab)
 static char *
 compile_text()
 {
-	int asize, size;
+	int asize, esc_nl, size;
 	char *text, *p, *op, *s;
 	char lbuf[_POSIX2_LINE_MAX + 1];
 
@@ -626,13 +626,15 @@ compile_text()
 		op = s = text + size;
 		p = lbuf;
 		EATSPACE();
-		for (; *p; p++) {
-			if (*p == '\\')
-				p++;
+		for (esc_nl = 0; *p != '\0'; p++) {
+			if (*p == '\\' && *p++ == '\0') {
+				esc_nl = 1;
+				break;
+			}
 			*s++ = *p;
 		}
 		size += s - op;
-		if (p[-2] != '\\') {
+		if (!esc_nl) {
 			*s = '\0';
 			break;
 		}