/* phonetic.c - routines to do phonetic matching */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2003 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 the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
#include "portable.h"
#include "slap.h"
-#if !defined(METAPHONE) && !defined(SLAPD_PHONETIC)
-#define METAPHONE
+#if !defined(SLAPD_METAPHONE) && !defined(SLAPD_PHONETIC)
+#define SLAPD_METAPHONE
#endif
#define iswordbreak(x) (!isascii(x) || isspace((unsigned char) (x)) || \
ispunct((unsigned char) (x)) || \
- isdigit((unsigned char) (x)) || x == '\0')
+ isdigit((unsigned char) (x)) || (x) == '\0')
-char *
+static char *
first_word( char *s )
{
if ( s == NULL ) {
return( s );
}
-char *
+static char *
next_word( char *s )
{
if ( s == NULL ) {
return( s );
}
-char *
+static char *
word_dup( char *w )
{
char *s, *ret;
return( ch_strdup( phoneme ) );
}
-#else
-#if defined(METAPHONE)
+#elif defined(SLAPD_METAPHONE)
+/*
+ * Metaphone was originally developed by Lawrence Philips and
+ * published in the "Computer Language" magazine in 1990.
+ */
/*
* Metaphone copied from C Gazette, June/July 1991, pp 56-57,
* author Gary A. Parker, with changes by Bernard Tiffany of the
*/
/* Character coding array */
-static char vsvfn[26] = {
+static const char vsvfn[26] = {
1, 16, 4, 16, 9, 2, 4, 16, 9, 2, 0, 2, 2,
/* A B C D E F G H I J K L M */
2, 1, 4, 0, 2, 4, 4, 1, 0, 0, 0, 8, 0};
phonetic( char *Word )
{
char *n, *n_start, *n_end; /* pointers to string */
- char *metaph, *metaph_end; /* pointers to metaph */
+ char *metaph_end; /* pointers to metaph */
char ntrans[40]; /* word with uppercase letters */
- char newm[8];/* new metaph for comparison */
int KSflag; /* state flag for X -> KS */
char buf[MAXPHONEMELEN + 2];
char *Metaph;
return( ch_strdup( buf ) );
}
-#endif /* metaphone */
-#endif /* SLAPD_PHONETIC */
+#endif /* SLAPD_METAPHONE */