From 62390091b7ff715e9336cc69a3ee41a6c458221e Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Fri, 5 Mar 2004 05:13:56 +0000
Subject: Update libregexp with recent bug fixes from Plan 9.

---
 src/libregexp/rregexec.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

(limited to 'src/libregexp/rregexec.c')

diff --git a/src/libregexp/rregexec.c b/src/libregexp/rregexec.c
index e96c9721..eece0eb9 100644
--- a/src/libregexp/rregexec.c
+++ b/src/libregexp/rregexec.c
@@ -45,7 +45,7 @@ rregexec1(Reprog *progp,	/* program to run */
 			switch(j->starttype) {
 			case RUNE:
 				while(*s != j->startchar) {
-					if(*s == 0)
+					if(*s == 0 || s == j->reol)
 						return match;
 					s++;
 				}
@@ -54,7 +54,7 @@ rregexec1(Reprog *progp,	/* program to run */
 				if(s == bol)
 					break;
 				while(*s != '\n') {
-					if(*s == 0)
+					if(*s == 0 || s == j->reol)
 						return match;
 					s++;
 				}
@@ -72,7 +72,7 @@ rregexec1(Reprog *progp,	/* program to run */
 		nl->inst = 0;
 
 		/* Add first instruction to current list */
-		_rrenewemptythread(tl, progp->startinst, s);
+		_rrenewemptythread(tl, progp->startinst, ms, s);
 
 		/* Execute machine until current list is empty */
 		for(tlp=tl; tlp->inst; tlp++){
@@ -80,7 +80,7 @@ rregexec1(Reprog *progp,	/* program to run */
 				switch(inst->type){
 				case RUNE:	/* regular character */
 					if(inst->u1.r == r)
-						if(_renewthread(nl, inst->u2.next, &tlp->se)==nle)
+						if(_renewthread(nl, inst->u2.next, ms, &tlp->se)==nle)
 							return -1;
 					break;
 				case LBRA:
@@ -91,11 +91,11 @@ rregexec1(Reprog *progp,	/* program to run */
 					continue;
 				case ANY:
 					if(r != '\n')
-						if(_renewthread(nl, inst->u2.next, &tlp->se)==nle)
+						if(_renewthread(nl, inst->u2.next, ms, &tlp->se)==nle)
 							return -1;
 					break;
 				case ANYNL:
-					if(_renewthread(nl, inst->u2.next, &tlp->se)==nle)
+					if(_renewthread(nl, inst->u2.next, ms, &tlp->se)==nle)
 							return -1;
 					break;
 				case BOL:
@@ -110,7 +110,7 @@ rregexec1(Reprog *progp,	/* program to run */
 					ep = inst->u1.cp->end;
 					for(rp = inst->u1.cp->spans; rp < ep; rp += 2)
 						if(r >= rp[0] && r <= rp[1]){
-							if(_renewthread(nl, inst->u2.next, &tlp->se)==nle)
+							if(_renewthread(nl, inst->u2.next, ms, &tlp->se)==nle)
 								return -1;
 							break;
 						}
@@ -121,12 +121,12 @@ rregexec1(Reprog *progp,	/* program to run */
 						if(r >= rp[0] && r <= rp[1])
 							break;
 					if(rp == ep)
-						if(_renewthread(nl, inst->u2.next, &tlp->se)==nle)
+						if(_renewthread(nl, inst->u2.next, ms, &tlp->se)==nle)
 							return -1;
 					break;
 				case OR:
 					/* evaluate right choice later */
-					if(_renewthread(tlp, inst->u1.right, &tlp->se) == tle)
+					if(_renewthread(tlp, inst->u1.right, ms, &tlp->se) == tle)
 						return -1;
 					/* efficiency: advance and re-evaluate */
 					continue;
@@ -190,7 +190,7 @@ rregexec(Reprog *progp,	/* program to run */
 	}
 	j.starttype = 0;
 	j.startchar = 0;
-	if(progp->startinst->type == RUNE && progp->startinst->u1.r < (Rune)Runeself) {
+	if(progp->startinst->type == RUNE && progp->startinst->u1.r < Runeself) {
 		j.starttype = RUNE;
 		j.startchar = progp->startinst->u1.r;
 	}
-- 
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