1 /* $NetBSD: string.h,v 1.4 2025/09/05 21:16:20 christos Exp $ */ 2 3 /* Generic string.h */ 4 /* $OpenLDAP$ */ 5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 1998-2024 The OpenLDAP Foundation. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted only as authorized by the OpenLDAP 12 * Public License. 13 * 14 * A copy of this license is available in file LICENSE in the 15 * top-level directory of the distribution or, alternatively, at 16 * <http://www.OpenLDAP.org/license.html>. 17 */ 18 19 #ifndef _AC_STRING_H 20 #define _AC_STRING_H 21 22 #ifdef STDC_HEADERS 23 # include <string.h> 24 25 #else 26 # ifdef HAVE_STRING_H 27 # include <string.h> 28 # endif 29 # if defined(HAVE_STRINGS_H) && (!defined(HAVE_STRING_H) || defined(BOTH_STRINGS_H)) 30 # include <strings.h> 31 # endif 32 33 # ifdef HAVE_MEMORY_H 34 # include <memory.h> 35 # endif 36 37 # ifndef HAVE_STRRCHR 38 # undef strchr 39 # define strchr index 40 # undef strrchr 41 # define strrchr rindex 42 # endif 43 44 # ifndef HAVE_MEMCPY 45 # undef memcpy 46 # define memcpy(d, s, n) ((void) bcopy ((s), (d), (n))) 47 # undef memmove 48 # define memmove(d, s, n) ((void) bcopy ((s), (d), (n))) 49 # endif 50 #endif 51 52 /* use ldap_pvt_strtok instead of strtok or strtok_r! */ 53 LDAP_F(char *) ldap_pvt_strtok LDAP_P(( char *str, 54 const char *delim, char **pos )); 55 56 #ifndef HAVE_STRDUP 57 /* strdup() is missing, declare our own version */ 58 # undef strdup 59 # define strdup(s) ber_strdup(s) 60 #elif !defined(_WIN32) 61 /* some systems fail to declare strdup */ 62 /* Windows does not require this declaration */ 63 LDAP_LIBC_F(char *) (strdup) LDAP_P((const char *s)); 64 #endif 65 66 /* 67 * some systems fail to declare strcasecmp() and strncasecmp() 68 * we need them declared so we can obtain pointers to them 69 */ 70 71 /* we don't want these declared for Windows or Mingw */ 72 #ifndef _WIN32 73 LDAP_LIBC_F(int) (strcasecmp) LDAP_P((const char *s1, const char *s2)); 74 LDAP_LIBC_F(int) (strncasecmp) LDAP_P((const char *s1, const char *s2, size_t n)); 75 #endif 76 77 #ifndef SAFEMEMCPY 78 # if defined( HAVE_MEMMOVE ) 79 # define SAFEMEMCPY( d, s, n ) memmove((d), (s), (n)) 80 # elif defined( HAVE_BCOPY ) 81 # define SAFEMEMCPY( d, s, n ) bcopy((s), (d), (n)) 82 # else 83 /* nothing left but memcpy() */ 84 # define SAFEMEMCPY( d, s, n ) memcpy((d), (s), (n)) 85 # endif 86 #endif 87 88 #define AC_MEMCPY( d, s, n ) (SAFEMEMCPY((d),(s),(n))) 89 #define AC_FMEMCPY( d, s, n ) do { \ 90 if((n) == 1) *((char*)(d)) = *((char*)(s)); \ 91 else AC_MEMCPY( (d), (s), (n) ); \ 92 } while(0) 93 94 #ifdef NEED_MEMCMP_REPLACEMENT 95 int (lutil_memcmp)(const void *b1, const void *b2, size_t len); 96 #define memcmp lutil_memcmp 97 #endif 98 99 void *(lutil_memrchr)(const void *b, int c, size_t n); 100 /* GNU extension (glibc >= 2.1.91), only declared when defined(_GNU_SOURCE) */ 101 #if defined(HAVE_MEMRCHR) && defined(_GNU_SOURCE) 102 #define lutil_memrchr(b, c, n) memrchr(b, c, n) 103 #endif /* ! HAVE_MEMRCHR */ 104 105 #define STRLENOF(s) (sizeof(s)-1) 106 107 #if defined( HAVE_NONPOSIX_STRERROR_R ) 108 # define AC_STRERROR_R(e,b,l) (strerror_r((e), (b), (l))) 109 #elif defined( HAVE_STRERROR_R ) 110 # define AC_STRERROR_R(e,b,l) (strerror_r((e), (b), (l)) == 0 ? (b) : "Unknown error") 111 #elif defined( HAVE_SYS_ERRLIST ) 112 # define AC_STRERROR_R(e,b,l) ((e) > -1 && (e) < sys_nerr \ 113 ? sys_errlist[(e)] : "Unknown error" ) 114 #elif defined( HAVE_STRERROR ) 115 # define AC_STRERROR_R(e,b,l) (strerror(e)) /* NOTE: may be NULL */ 116 #else 117 # define AC_STRERROR_R(e,b,l) ("Unknown error") 118 #endif 119 120 #endif /* _AC_STRING_H */ 121
Indexes created Tue May 26 00:24:38 UTC 2026