From 9a2a365d61c9cd0d93e8c30a9833b76faabe18c7 Mon Sep 17 00:00:00 2001
From: ketmar <ketmar@ketmar.no-ip.org>
Date: Sun, 25 Aug 2013 10:14:39 +0300
Subject: [PATCH] added API to compile non-asciiz regular expressions

---
 src/libre9/re9.c | 14 ++++++++++++--
 src/libre9/re9.h |  2 ++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/libre9/re9.c b/src/libre9/re9.c
index f633b7d..10b976f 100644
--- a/src/libre9/re9.c
+++ b/src/libre9/re9.c
@@ -1197,10 +1197,15 @@ static void optimize (re9_compiler_t *ci) {
 }
 
 
-re9_prog_t *re9_compile (const char *s, int flags, const char **errmsg) {
+re9_prog_t *re9_compile_ex (const char *s, const char *eol, int flags, const char **errmsg) {
   int token;
   re9_compiler_t * volatile ci;
   re9_prog_t *pres;
+  if (s == NULL) {
+    if (errmsg != NULL) *errmsg = "can't parse NULL regexp";
+    return NULL;
+  }
+  if (eol == NULL) eol = s+strlen(s); else if (eol < s) eol = s;
   if ((ci = malloc(sizeof(*ci))) == NULL) {
     if (errmsg != NULL) *errmsg = "out of memory";
     return NULL;
@@ -1229,7 +1234,7 @@ re9_prog_t *re9_compile (const char *s, int flags, const char **errmsg) {
   }
   /* go compile the sucker */
   ci->expr = s;
-  ci->expr_eol = ci->expr+strlen(ci->expr);
+  ci->expr_eol = eol;
   ci->nbra = 0;
   ci->atorp = ci->atorstack;
   ci->andp = ci->andstack;
@@ -1280,6 +1285,11 @@ re9_prog_t *re9_compile (const char *s, int flags, const char **errmsg) {
 }
 
 
+re9_prog_t *re9_compile (const char *s, int flags, const char **errmsg) {
+  return re9_compile_ex(s, NULL, flags, errmsg);
+}
+
+
 int re9_nsub (const re9_prog_t *p) {
   return (p != NULL ? p->nsub : 0);
 }
diff --git a/src/libre9/re9.h b/src/libre9/re9.h
index da49a35..3df44c9 100644
--- a/src/libre9/re9.h
+++ b/src/libre9/re9.h
@@ -130,6 +130,8 @@ enum {
  */
 extern re9_prog_t *re9_compile (const char *s, int flags, const char **errmsg);
 
+extern re9_prog_t *re9_compile_ex (const char *s, const char *eol, int flags, const char **errmsg);
+
 /* return number of captures in this regexp; 0th capture is always full match */
 extern int re9_nsub (const re9_prog_t *p);
 
-- 
2.11.4.GIT