streamline group attr specification/diagnostics

[openldap] / include / ac / string.h

diff --git a/include/ac/string.h b/include/ac/string.h
index cbe24c190f3963a1d1dbe7824777cd4de3e55e36..1791ee6af56f4b238e1fb032803294b53a10f89d 100644 (file)
--- a/include/ac/string.h
+++ b/include/ac/string.h
@@ -1,35 +1,119 @@
 /* Generic string.h */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 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
+#ifdef STDC_HEADERS
 #      include <string.h>
+
 #else
-#      ifndef HAVE_STRCHR
+#      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
-       char *strchr (), *strrchr ();
 
 #      ifndef HAVE_MEMCPY
-#              define memcpy(d, s, n) bcopy ((s), (d), (n))
-#              define memmove(d, s, n) bcopy ((s), (d), (n))
+#              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
 
-#ifdef HAVE_MEMMOVE
-#      define SAFEMEMCPY( d, s, n )                    memmove((s), (d), (n))
-#else
-#      ifdef HAVE_BCOPY
-#              define SAFEMEMCPY( d, s, n )            bcopy((s), (d), (n))
+/* 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
-#              ifdef MACOS
-#                      define SAFEMEMCPY( d, s, n )    BlockMoveData((Ptr)(s), (Ptr)(d), (n))
-#              else
-#                      define SAFEMEMCPY( d, s, n )    memmove((s), (d), (n))
-#              endif
+               /* 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
+
+/* GNU extension (glibc >= 2.1.91), only declared when defined(_GNU_SOURCE) */
+#ifndef HAVE_MEMRCHR
+#undef memrchr
+#define memrchr lutil_memrchr
+#endif /* ! HAVE_MEMRCHR */
+void * memrchr(const void *b, int c, size_t len);
+
+#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 */