зеркало из https://github.com/mozilla/gecko-dev.git
209 строки
4.2 KiB
C
209 строки
4.2 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/*
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* Copyright (c) 1993, 1994 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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/*
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* dsparse.c: parsing routines used by display template and search
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* preference file library routines for LDAP clients.
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*
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*/
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#include "ldap-int.h"
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static int next_line( char **bufp, long *blenp, char **linep );
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static char *next_token( char ** sp );
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int
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nsldapi_next_line_tokens( char **bufp, long *blenp, char ***toksp )
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{
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char *p, *line, *token, **toks;
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int rc, tokcnt;
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*toksp = NULL;
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if (( rc = next_line( bufp, blenp, &line )) <= 0 ) {
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return( rc );
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}
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if (( toks = (char **)NSLDAPI_CALLOC( 1, sizeof( char * ))) == NULL ) {
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NSLDAPI_FREE( line );
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return( -1 );
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}
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tokcnt = 0;
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p = line;
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while (( token = next_token( &p )) != NULL ) {
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if (( toks = (char **)NSLDAPI_REALLOC( toks, ( tokcnt + 2 ) *
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sizeof( char * ))) == NULL ) {
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NSLDAPI_FREE( (char *)toks );
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NSLDAPI_FREE( line );
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return( -1 );
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}
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toks[ tokcnt ] = token;
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toks[ ++tokcnt ] = NULL;
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}
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if ( tokcnt == 1 && strcasecmp( toks[ 0 ], "END" ) == 0 ) {
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tokcnt = 0;
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nsldapi_free_strarray( toks );
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toks = NULL;
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}
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NSLDAPI_FREE( line );
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if ( tokcnt == 0 ) {
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if ( toks != NULL ) {
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NSLDAPI_FREE( (char *)toks );
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}
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} else {
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*toksp = toks;
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}
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return( tokcnt );
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}
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static int
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next_line( char **bufp, long *blenp, char **linep )
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{
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char *linestart, *line, *p;
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long plen;
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linestart = *bufp;
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p = *bufp;
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plen = *blenp;
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do {
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for ( linestart = p; plen > 0; ++p, --plen ) {
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if ( *p == '\r' ) {
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if ( plen > 1 && *(p+1) == '\n' ) {
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++p;
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--plen;
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}
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break;
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}
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if ( *p == '\n' ) {
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if ( plen > 1 && *(p+1) == '\r' ) {
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++p;
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--plen;
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}
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break;
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}
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}
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++p;
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--plen;
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} while ( plen > 0 && ( *linestart == '#' || linestart + 1 == p ));
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*bufp = p;
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*blenp = plen;
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if ( plen <= 0 ) {
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*linep = NULL;
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return( 0 ); /* end of file */
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}
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if (( line = NSLDAPI_MALLOC( p - linestart )) == NULL ) {
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*linep = NULL;
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return( -1 ); /* fatal error */
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}
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SAFEMEMCPY( line, linestart, p - linestart );
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line[ p - linestart - 1 ] = '\0';
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*linep = line;
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return( strlen( line ));
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}
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static char *
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next_token( char **sp )
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{
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int in_quote = 0;
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char *p, *tokstart, *t;
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if ( **sp == '\0' ) {
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return( NULL );
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}
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p = *sp;
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while ( ldap_utf8isspace( p )) { /* skip leading white space */
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++p;
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}
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if ( *p == '\0' ) {
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return( NULL );
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}
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if ( *p == '\"' ) {
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in_quote = 1;
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++p;
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}
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t = tokstart = p;
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for ( ;; ) {
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if ( *p == '\0' || ( ldap_utf8isspace( p ) && !in_quote )) {
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if ( *p != '\0' ) {
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++p;
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}
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*t++ = '\0'; /* end of token */
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break;
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}
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if ( *p == '\"' ) {
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in_quote = !in_quote;
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++p;
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} else {
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*t++ = *p++;
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}
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}
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*sp = p;
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if ( t == tokstart ) {
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return( NULL );
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}
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return( nsldapi_strdup( tokstart ));
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}
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void
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nsldapi_free_strarray( char **sap )
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{
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int i;
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if ( sap != NULL ) {
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for ( i = 0; sap[ i ] != NULL; ++i ) {
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NSLDAPI_FREE( sap[ i ] );
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}
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NSLDAPI_FREE( (char *)sap );
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}
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}
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