diff options
Diffstat (limited to 'usr/src/lib/libldap5/sources/ldap/common/dsparse.c')
| -rw-r--r-- | usr/src/lib/libldap5/sources/ldap/common/dsparse.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/usr/src/lib/libldap5/sources/ldap/common/dsparse.c b/usr/src/lib/libldap5/sources/ldap/common/dsparse.c new file mode 100644 index 0000000000..69aed4ae65 --- /dev/null +++ b/usr/src/lib/libldap5/sources/ldap/common/dsparse.c @@ -0,0 +1,215 @@ +#pragma ident "%Z%%M% %I% %E% SMI" + + +/* + * The contents of this file are subject to the Netscape Public + * License Version 1.1 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.mozilla.org/NPL/ + * + * Software distributed under the License is distributed on an "AS + * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + * implied. See the License for the specific language governing + * rights and limitations under the License. + * + * The Original Code is Mozilla Communicator client code, released + * March 31, 1998. + * + * The Initial Developer of the Original Code is Netscape + * Communications Corporation. Portions created by Netscape are + * Copyright (C) 1998-1999 Netscape Communications Corporation. All + * Rights Reserved. + * + * Contributor(s): + */ +/* + * Copyright (c) 1993, 1994 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. + */ +/* + * dsparse.c: parsing routines used by display template and search + * preference file library routines for LDAP clients. + * + */ + +#include "ldap-int.h" + +static int next_line( char **bufp, long *blenp, char **linep ); +static char *next_token( char ** sp ); + +int +ldap_next_line_tokens( char **bufp, long *blenp, char ***toksp ) +{ + char *p, *line, *token, **toks; + int rc, tokcnt; + + *toksp = NULL; + + if (( rc = next_line( bufp, blenp, &line )) <= 0 ) { + return( rc ); + } + + if (( toks = (char **)NSLDAPI_CALLOC( 1, sizeof( char * ))) == NULL ) { + NSLDAPI_FREE( line ); + return( -1 ); + } + tokcnt = 0; + + p = line; + while (( token = next_token( &p )) != NULL ) { + if (( toks = (char **)NSLDAPI_REALLOC( toks, ( tokcnt + 2 ) * + sizeof( char * ))) == NULL ) { + NSLDAPI_FREE( (char *)toks ); + NSLDAPI_FREE( line ); + return( -1 ); + } + toks[ tokcnt ] = token; + toks[ ++tokcnt ] = NULL; + } + + if ( tokcnt == 1 && strcasecmp( toks[ 0 ], "END" ) == 0 ) { + tokcnt = 0; + ldap_free_strarray( toks ); + toks = NULL; + } + + NSLDAPI_FREE( line ); + + if ( tokcnt == 0 ) { + if ( toks != NULL ) { + NSLDAPI_FREE( (char *)toks ); + } + } else { + *toksp = toks; + } + + return( tokcnt ); +} + + +static int +next_line( char **bufp, long *blenp, char **linep ) +{ + char *linestart, *line, *p; + long plen; + + linestart = *bufp; + p = *bufp; + plen = *blenp; + + do { + for ( linestart = p; plen > 0; ++p, --plen ) { + if ( *p == '\r' ) { + if ( plen > 1 && *(p+1) == '\n' ) { + ++p; + --plen; + } + break; + } + + if ( *p == '\n' ) { + if ( plen > 1 && *(p+1) == '\r' ) { + ++p; + --plen; + } + break; + } + } + ++p; + --plen; + } while ( plen > 0 && ( *linestart == '#' || linestart + 1 == p )); + + + *bufp = p; + *blenp = plen; + + + if ( plen <= 0 ) { + *linep = NULL; + return( 0 ); /* end of file */ + } + + if (( line = NSLDAPI_MALLOC( p - linestart )) == NULL ) { + *linep = NULL; + return( -1 ); /* fatal error */ + } + + SAFEMEMCPY( line, linestart, p - linestart ); + line[ p - linestart - 1 ] = '\0'; + *linep = line; + return( strlen( line )); +} + + +static char * +next_token( char **sp ) +{ + int in_quote = 0; + char *p, *tokstart, *t; + + if ( **sp == '\0' ) { + return( NULL ); + } + + p = *sp; + + while ( ldap_utf8isspace( p )) { /* skip leading white space */ + ++p; + } + + if ( *p == '\0' ) { + return( NULL ); + } + + if ( *p == '\"' ) { + in_quote = 1; + ++p; + } + t = tokstart = p; + + for ( ;; ) { + if ( *p == '\0' || ( ldap_utf8isspace( p ) && !in_quote )) { + if ( *p != '\0' ) { + ++p; + } + *t++ = '\0'; /* end of token */ + break; + } + + if ( *p == '\"' ) { + in_quote = !in_quote; + ++p; + } else { + *t++ = *p++; + } + } + + *sp = p; + + if ( t == tokstart ) { + return( NULL ); + } + + return( nsldapi_strdup( tokstart )); +} + + +void +ldap_free_strarray( char **sap ) +{ + int i; + + if ( sap != NULL ) { + for ( i = 0; sap[ i ] != NULL; ++i ) { + NSLDAPI_FREE( sap[ i ] ); + } + NSLDAPI_FREE( (char *)sap ); + } +} |