xref: /netbsd-src/external/bsd/openldap/dist/libraries/libldap/string.c (revision 549b59ed3ccf0d36d3097190a0db27b770f3a839)
1*549b59edSchristos /*	$NetBSD: string.c,v 1.3 2021/08/14 16:14:56 christos Exp $	*/
24e6df137Slukem 
3d11b170bStron /* $OpenLDAP$ */
42de962bdSlukem /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
52de962bdSlukem  *
6*549b59edSchristos  * Copyright 1998-2021 The OpenLDAP Foundation.
72de962bdSlukem  * All rights reserved.
82de962bdSlukem  *
92de962bdSlukem  * Redistribution and use in source and binary forms, with or without
102de962bdSlukem  * modification, are permitted only as authorized by the OpenLDAP
112de962bdSlukem  * Public License.
122de962bdSlukem  *
132de962bdSlukem  * A copy of this license is available in the file LICENSE in the
142de962bdSlukem  * top-level directory of the distribution or, alternatively, at
152de962bdSlukem  * <http://www.OpenLDAP.org/license.html>.
162de962bdSlukem  */
172de962bdSlukem 
182de962bdSlukem /*
192de962bdSlukem  * Locale-specific 1-byte character versions
202de962bdSlukem  * See utf-8.c for UTF-8 versions
212de962bdSlukem  */
222de962bdSlukem 
23376af7d7Schristos #include <sys/cdefs.h>
24*549b59edSchristos __RCSID("$NetBSD: string.c,v 1.3 2021/08/14 16:14:56 christos Exp $");
25376af7d7Schristos 
262de962bdSlukem #include "portable.h"
272de962bdSlukem 
282de962bdSlukem #include <ac/stdlib.h>
292de962bdSlukem #include <ac/string.h>
302de962bdSlukem #include <ac/time.h>
312de962bdSlukem #include <ac/ctype.h>
322de962bdSlukem 
332de962bdSlukem #include "ldap-int.h"
342de962bdSlukem 
352de962bdSlukem 
362de962bdSlukem #if defined ( HAVE_STRSPN )
372de962bdSlukem #define int_strspn strspn
382de962bdSlukem #else
int_strspn(const char * str,const char * delim)392de962bdSlukem static int int_strspn( const char *str, const char *delim )
402de962bdSlukem {
412de962bdSlukem 	int pos;
422de962bdSlukem 	const char *p=delim;
432de962bdSlukem 
442de962bdSlukem 	for( pos=0; (*str) ; pos++,str++) {
452de962bdSlukem 		if (*str!=*p) {
462de962bdSlukem 			for( p=delim; (*p) ; p++ ) {
472de962bdSlukem 				if (*str==*p) {
482de962bdSlukem 					break;
492de962bdSlukem 				}
502de962bdSlukem 		  	}
512de962bdSlukem 		}
522de962bdSlukem 
532de962bdSlukem 		if (*p=='\0') {
542de962bdSlukem 			return pos;
552de962bdSlukem 		}
562de962bdSlukem 	}
572de962bdSlukem 	return pos;
582de962bdSlukem }
592de962bdSlukem #endif
602de962bdSlukem 
612de962bdSlukem #if defined( HAVE_STRPBRK )
622de962bdSlukem #define int_strpbrk strpbrk
632de962bdSlukem #else
642de962bdSlukem static char *(int_strpbrk)( const char *str, const char *accept )
652de962bdSlukem {
662de962bdSlukem 	const char *p;
672de962bdSlukem 
682de962bdSlukem 	for( ; (*str) ; str++ ) {
692de962bdSlukem 		for( p=accept; (*p) ; p++) {
702de962bdSlukem 			if (*str==*p) {
712de962bdSlukem 				return str;
722de962bdSlukem 			}
732de962bdSlukem 		}
742de962bdSlukem 	}
752de962bdSlukem 
762de962bdSlukem 	return NULL;
772de962bdSlukem }
782de962bdSlukem #endif
792de962bdSlukem 
802de962bdSlukem char *(ldap_pvt_strtok)( char *str, const char *delim, char **pos )
812de962bdSlukem {
822de962bdSlukem 	char *p;
832de962bdSlukem 
842de962bdSlukem 	if (pos==NULL) {
852de962bdSlukem 		return NULL;
862de962bdSlukem 	}
872de962bdSlukem 
882de962bdSlukem 	if (str==NULL) {
892de962bdSlukem 		if (*pos==NULL) {
902de962bdSlukem 			return NULL;
912de962bdSlukem 		}
922de962bdSlukem 
932de962bdSlukem 		str=*pos;
942de962bdSlukem 	}
952de962bdSlukem 
962de962bdSlukem 	/* skip any initial delimiters */
972de962bdSlukem 	str += int_strspn( str, delim );
982de962bdSlukem 	if (*str == '\0') {
992de962bdSlukem 		return NULL;
1002de962bdSlukem 	}
1012de962bdSlukem 
1022de962bdSlukem 	p = int_strpbrk( str, delim );
1032de962bdSlukem 	if (p==NULL) {
1042de962bdSlukem 		*pos = NULL;
1052de962bdSlukem 
1062de962bdSlukem 	} else {
1072de962bdSlukem 		*p ='\0';
1082de962bdSlukem 		*pos = p+1;
1092de962bdSlukem 	}
1102de962bdSlukem 
1112de962bdSlukem 	return str;
1122de962bdSlukem }
1132de962bdSlukem 
1142de962bdSlukem char *
ldap_pvt_str2upper(char * str)1152de962bdSlukem ldap_pvt_str2upper( char *str )
1162de962bdSlukem {
1172de962bdSlukem 	char    *s;
1182de962bdSlukem 
1192de962bdSlukem 	/* to upper */
1202de962bdSlukem 	if ( str ) {
1212de962bdSlukem 		for ( s = str; *s; s++ ) {
1222de962bdSlukem 			*s = TOUPPER( (unsigned char) *s );
1232de962bdSlukem 		}
1242de962bdSlukem 	}
1252de962bdSlukem 
1262de962bdSlukem 	return( str );
1272de962bdSlukem }
1282de962bdSlukem 
1292de962bdSlukem struct berval *
ldap_pvt_str2upperbv(char * str,struct berval * bv)1302de962bdSlukem ldap_pvt_str2upperbv( char *str, struct berval *bv )
1312de962bdSlukem {
1322de962bdSlukem 	char    *s = NULL;
1332de962bdSlukem 
1342de962bdSlukem 	assert( bv != NULL );
1352de962bdSlukem 
1362de962bdSlukem 	/* to upper */
1372de962bdSlukem 	if ( str ) {
1382de962bdSlukem 		for ( s = str; *s; s++ ) {
1392de962bdSlukem 			*s = TOUPPER( (unsigned char) *s );
1402de962bdSlukem 		}
1412de962bdSlukem 	}
1422de962bdSlukem 
1432de962bdSlukem 	bv->bv_val = str;
1442de962bdSlukem 	bv->bv_len = (ber_len_t)(s - str);
1452de962bdSlukem 
1462de962bdSlukem 	return( bv );
1472de962bdSlukem }
1482de962bdSlukem 
1492de962bdSlukem char *
ldap_pvt_str2lower(char * str)1502de962bdSlukem ldap_pvt_str2lower( char *str )
1512de962bdSlukem {
1522de962bdSlukem 	char    *s;
1532de962bdSlukem 
1542de962bdSlukem 	/* to lower */
1552de962bdSlukem 	if ( str ) {
1562de962bdSlukem 		for ( s = str; *s; s++ ) {
1572de962bdSlukem 			*s = TOLOWER( (unsigned char) *s );
1582de962bdSlukem 		}
1592de962bdSlukem 	}
1602de962bdSlukem 
1612de962bdSlukem 	return( str );
1622de962bdSlukem }
1632de962bdSlukem 
1642de962bdSlukem struct berval *
ldap_pvt_str2lowerbv(char * str,struct berval * bv)1652de962bdSlukem ldap_pvt_str2lowerbv( char *str, struct berval *bv )
1662de962bdSlukem {
1672de962bdSlukem 	char    *s = NULL;
1682de962bdSlukem 
1692de962bdSlukem 	assert( bv != NULL );
1702de962bdSlukem 
1712de962bdSlukem 	/* to lower */
1722de962bdSlukem 	if ( str ) {
1732de962bdSlukem 		for ( s = str; *s; s++ ) {
1742de962bdSlukem 			*s = TOLOWER( (unsigned char) *s );
1752de962bdSlukem 		}
1762de962bdSlukem 	}
1772de962bdSlukem 
1782de962bdSlukem 	bv->bv_val = str;
1792de962bdSlukem 	bv->bv_len = (ber_len_t)(s - str);
1802de962bdSlukem 
1812de962bdSlukem 	return( bv );
1822de962bdSlukem }
183