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db060d8753
SAFEMEMCPY. AC_FAST_MEMCPY has a len==1 optimization for use in -llber.
85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
/* Generic string.h */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2000 The OpenLDAP Foundation, Redwood City, California, USA
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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 only
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* as authorized by the OpenLDAP Public License. A copy of this
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* license is available at http://www.OpenLDAP.org/license.html or
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* in file LICENSE in the top-level directory of the distribution.
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*/
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#ifndef _AC_STRING_H
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#define _AC_STRING_H
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#ifdef STDC_HEADERS
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# include <string.h>
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#else
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# ifdef HAVE_STRING_H
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# include <string.h>
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# elif HAVE_STRINGS_H
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# include <strings.h>
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# endif
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# ifdef HAVE_MEMORY_H
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# include <memory.h>
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# endif
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# ifndef HAVE_STRRCHR
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# undef strchr
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# define strchr index
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# undef strrchr
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# define strrchr rindex
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# endif
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# ifndef HAVE_MEMCPY
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# undef memcpy
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# define memcpy(d, s, n) ((void) bcopy ((s), (d), (n)))
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# undef memmove
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# define memmove(d, s, n) ((void) bcopy ((s), (d), (n)))
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# endif
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#endif
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/* use ldap_pvt_strtok instead of strtok or strtok_r! */
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LDAP_F(char *) ldap_pvt_strtok LDAP_P(( char *str, const char *delim,
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char **pos ));
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#ifndef HAVE_STRDUP
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/* strdup() is missing, declare our own version */
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# undef strdup
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# define strdup(s) ber_strdup(s)
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#else
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/* some systems fail to declare strdup */
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LDAP_LIBC_F(char *) (strdup)();
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#endif
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/*
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* some systems fail to declare strcasecmp() and strncasecmp()
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* we need them declared so we can obtain pointers to them
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*/
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/* In Mingw32, strcasecmp is not in the C library, so we don't LIBC_F it */
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int (strcasecmp)();
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int (strncasecmp)();
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#ifndef SAFEMEMCPY
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# if defined( HAVE_MEMMOVE )
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# define SAFEMEMCPY( d, s, n ) memmove((d), (s), (n))
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# elif defined( HAVE_BCOPY )
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# define SAFEMEMCPY( d, s, n ) bcopy((s), (d), (n))
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# else
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/* nothing left but memcpy() */
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# define SAFEMEMCPY( d, s, n ) memcpy((d), (s), (n))
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# endif
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#endif
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#define AC_MEMCPY( d, s, n ) (SAFEMEMCPY((d),(s),(n)))
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#define AC_FMEMCPY( d, s, n ) do { \
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if((n) == 1) *((char*)(d)) = *((char*)(s)); \
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else AC_MEMCPY( (d), (s), (n) ); \
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} while(0)
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#endif /* _AC_STRING_H */
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