t...@burken:~/test/mawk/mawk-1.3.3/rexp$ diff -u rexp2.c.orig rexp2.c
--- rexp2.c.orig 2009-01-06 20:05:46.000000000 +0100
+++ rexp2.c 2009-01-06 20:06:33.000000000 +0100
@@ -323,6 +323,8 @@
register STATE *p ;
unsigned *lenp ;
{
+ if (!p) return (char *) 0;
+
if (p[0].type == M_STR && p[1].type == M_ACCEPT)
{
*lenp = p->len ;
The output becomes
$./mawk -v RS='\n|'
mawk: line 0: regular expression compile failed (missing operand)
|
$
/Jörgen
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