/* $NetBSD: string.h,v 1.1.1.6.6.1 2019/08/10 06:17:14 martin Exp $ */ /* Generic string.h */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 1998-2019 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ #ifndef _AC_STRING_H #define _AC_STRING_H #ifdef STDC_HEADERS # include #else # ifdef HAVE_STRING_H # include # endif # if defined(HAVE_STRINGS_H) && (!defined(HAVE_STRING_H) || defined(BOTH_STRINGS_H)) # include # endif # ifdef HAVE_MEMORY_H # include # 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) #elif !defined(_WIN32) /* some systems fail to declare strdup */ /* Windows does not require this declaration */ 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 */ /* we don't want these declared for Windows or Mingw */ #ifndef _WIN32 int (strcasecmp)(); int (strncasecmp)(); #endif #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) #ifdef NEED_MEMCMP_REPLACEMENT int (lutil_memcmp)(const void *b1, const void *b2, size_t len); #define memcmp lutil_memcmp #endif void *(lutil_memrchr)(const void *b, int c, size_t n); /* GNU extension (glibc >= 2.1.91), only declared when defined(_GNU_SOURCE) */ #if defined(HAVE_MEMRCHR) && defined(_GNU_SOURCE) #define lutil_memrchr(b, c, n) memrchr(b, c, n) #endif /* ! HAVE_MEMRCHR */ #define STRLENOF(s) (sizeof(s)-1) #if defined( HAVE_NONPOSIX_STRERROR_R ) # define AC_STRERROR_R(e,b,l) (strerror_r((e), (b), (l))) #elif defined( HAVE_STRERROR_R ) # define AC_STRERROR_R(e,b,l) (strerror_r((e), (b), (l)) == 0 ? (b) : "Unknown error") #elif defined( HAVE_SYS_ERRLIST ) # define AC_STRERROR_R(e,b,l) ((e) > -1 && (e) < sys_nerr \ ? sys_errlist[(e)] : "Unknown error" ) #elif defined( HAVE_STRERROR ) # define AC_STRERROR_R(e,b,l) (strerror(e)) /* NOTE: may be NULL */ #else # define AC_STRERROR_R(e,b,l) ("Unknown error") #endif #endif /* _AC_STRING_H */