X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Fliblunicode%2Fucstr.c;h=9246dc8edbfbe2273c745e9591a37b9beb2a7005;hb=0355abeb1a0ea471970c5313a69ce5b20916b408;hp=a8c65df8616e8de76045f0ad346dd01837e7eb69;hpb=d5e55877dcd69cefafe04e5b03e514a83c3fbd2f;p=openldap

diff --git a/libraries/liblunicode/ucstr.c b/libraries/liblunicode/ucstr.c
index a8c65df861..9246dc8edb 100644
--- a/libraries/liblunicode/ucstr.c
+++ b/libraries/liblunicode/ucstr.c
@@ -1,11 +1,21 @@
-/*
- * Copyright 2000-2003 The OpenLDAP Foundation
- * COPYING RESTRICTIONS APPLY.  See COPYRIGHT File in top level directory
- * of this package for details.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
  */
 
 #include "portable.h"
 
+#include <ac/bytes.h>
 #include <ac/ctype.h>
 #include <ac/string.h>
 #include <ac/stdlib.h>
@@ -100,7 +110,7 @@ struct berval * UTF8bvnormalize(
 {
 	int i, j, len, clen, outpos, ucsoutlen, outsize, last;
 	char *out, *outtmp, *s;
-	unsigned long *ucs, *p, *ucsout;
+	ac_uint4 *ucs, *p, *ucsout;
 
 	static unsigned char mask[] = {
 		0, 0x7f, 0x1f, 0x0f, 0x07, 0x03, 0x01 };
@@ -251,6 +261,18 @@ struct berval * UTF8bvnormalize(
 
 		last = i;
 
+		/* Allocate more space in out if necessary */
+		if (len - i >= outsize - outpos) {
+			outsize += 1 + ((len - i) - (outsize - outpos));
+			outtmp = (char *) realloc(out, outsize);
+			if (outtmp == NULL) {
+				free(out);
+				free(ucs);
+				return NULL;
+			}
+			out = outtmp;
+		}
+
 		/* s[i] is ascii */
 		/* finish off everything up to char before next non-ascii */
 		for ( i++; (i < len) && LDAP_UTF8_ISASCII(s + i); i++ ) {
@@ -281,7 +303,7 @@ int UTF8bvnormcmp(
 {
 	int i, l1, l2, len, ulen, res = 0;
 	char *s1, *s2, *done;
-	unsigned long *ucs, *ucsout1, *ucsout2;
+	ac_uint4 *ucs, *ucsout1, *ucsout2;
 
 	unsigned casefold = flags & LDAP_UTF8_CASEFOLD;
 	unsigned norm1 = flags & LDAP_UTF8_ARG1NFC;
@@ -361,7 +383,7 @@ int UTF8bvnormcmp(
 	
 	/*
 	 * XXYYZ: we convert to ucs4 even though -llunicode
-	 * expects ucs2 in an unsigned long
+	 * expects ucs2 in an ac_uint4
 	 */
 	
 	/* convert and normalize 1st string */
@@ -379,6 +401,7 @@ int UTF8bvnormcmp(
 		l1 = ulen;
 		ucs = malloc( l2 * sizeof(*ucs) );
 		if ( ucs == NULL ) {
+			free( ucsout1 );
 			return l1 > l2 ? 1 : -1; /* what to do??? */
 		}
 	} else {