/* Generic string.h */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2003 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
+ * <http://www.OpenLDAP.org/license.html>.
+ */
#ifndef _AC_STRING_H
#define _AC_STRING_H
-#if STDC_HEADERS
-# include <string.h>
+#ifdef STDC_HEADERS
+# include <string.h>
+
#else
-# ifndef HAVE_STRCHR
-# define strchr index
-# define strrchr rindex
-# endif
-char *strchr (), *strrchr ();
-# ifndef HAVE_MEMCPY
-# define memcpy(d, s, n) bcopy ((s), (d), (n))
-# define memmove(d, s, n) bcopy ((s), (d), (n))
-# endif
+# ifdef HAVE_STRING_H
+# include <string.h>
+# endif
+# if defined(HAVE_STRINGS_H) && (!defined(HAVE_STRING_H) || defined(BOTH_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)
+#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)
+
#endif /* _AC_STRING_H */