openldap/include/ac/string.h
2000-07-29 03:52:27 +00:00

85 lines
2.0 KiB
C

/* Generic string.h */
/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, Redwood City, California, USA
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted only
* as authorized by the OpenLDAP Public License. A copy of this
* license is available at http://www.OpenLDAP.org/license.html or
* in file LICENSE in the top-level directory of the distribution.
*/
#ifndef _AC_STRING_H
#define _AC_STRING_H
#ifdef STDC_HEADERS
# include <string.h>
#else
# ifdef HAVE_STRING_H
# include <string.h>
# elif HAVE_STRINGS_H
# include <strings.h>
# endif
# ifdef HAVE_MEMORY_H
# include <memory.h>
# endif
# ifndef HAVE_STRRCHR
# undef strchr
# define strchr index
# undef strrchr
# define strrchr rindex
# endif
# ifndef HAVE_MEMCPY
# undef memcpy
# define memcpy(d, s, n) ((void) bcopy ((s), (d), (n)))
# undef memmove
# define memmove(d, s, n) ((void) bcopy ((s), (d), (n)))
# endif
#endif
/* use ldap_pvt_strtok instead of strtok or strtok_r! */
LDAP_F(char *) ldap_pvt_strtok LDAP_P(( char *str, const char *delim,
char **pos ));
#ifndef HAVE_STRDUP
/* strdup() is missing, declare our own version */
# undef strdup
# define strdup(s) ber_strdup(s)
#else
/* some systems fail to declare strdup */
LDAP_LIBC_F(char *) (strdup)();
#endif
/*
* some systems fail to declare strcasecmp() and strncasecmp()
* we need them declared so we can obtain pointers to them
*/
/* In Mingw32, strcasecmp is not in the C library, so we don't LIBC_F it */
int (strcasecmp)();
int (strncasecmp)();
#ifndef SAFEMEMCPY
# if defined( HAVE_MEMMOVE )
# define SAFEMEMCPY( d, s, n ) memmove((d), (s), (n))
# elif defined( HAVE_BCOPY )
# define SAFEMEMCPY( d, s, n ) bcopy((s), (d), (n))
# else
/* nothing left but memcpy() */
# define SAFEMEMCPY( d, s, n ) memcpy((d), (s), (n))
# endif
#endif
#define AC_MEMCPY( d, s, n ) (SAFEMEMCPY((d),(s),(n)))
#define AC_FMEMCPY( d, s, n ) do { \
if((n) == 1) *((char*)(d)) = *((char*)(s)); \
else AC_MEMCPY( (d), (s), (n) ); \
} while(0)
#endif /* _AC_STRING_H */