openldap/include/ldif.h
1998-08-09 00:43:13 +00:00

57 lines
1.8 KiB
C

/*
* Copyright (c) 1996 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.
*/
#ifndef _LDIF_H
#define _LDIF_H
#ifdef __cplusplus
extern "C" {
#endif
#define LINE_WIDTH 76 /* maximum length of LDIF lines */
/*
* Macro to calculate maximum number of bytes that the base64 equivalent
* of an item that is "vlen" bytes long will take up. Base64 encoding
* uses one byte for every six bits in the value plus up to two pad bytes.
*/
#define LDIF_BASE64_LEN(vlen) (((vlen) * 4 / 3 ) + 3)
/*
* Macro to calculate maximum size that an LDIF-encoded type (length
* tlen) and value (length vlen) will take up: room for type + ":: " +
* first newline + base64 value + continued lines. Each continued line
* needs room for a newline and a leading space character.
*/
#define LDIF_SIZE_NEEDED(tlen,vlen) \
((tlen) + 4 + LDIF_BASE64_LEN(vlen) \
+ ((LDIF_BASE64_LEN(vlen) + tlen + 3) / LINE_WIDTH * 2 ))
#ifdef NEEDPROTOS
int str_parse_line( char *line, char **type, char **value, int *vlen);
char * str_getline( char **next );
void put_type_and_value( char **out, char *t, char *val, int vlen );
char *ldif_type_and_value( char *type, char *val, int vlen );
#else /* NEEDPROTOS */
int str_parse_line();
char * str_getline();
void put_type_and_value();
char *ldif_type_and_value();
#endif /* NEEDPROTOS */
#ifdef __cplusplus
}
#endif
#endif /* _LDIF_H */