r18031: Merge my replace fixes:

 * libreplace can now build stand-alone
 * add stub testsuite for libreplace
 * make talloc/tdb/ldb use libreplace
(This used to be commit fe7ca4b1454e01a33ed0d53791ebffdd349298b4)

15 files changed, 916 insertions, 112 deletions

diff --git a/source4/lib/replace/Makefile.in b/source4/lib/replace/Makefile.in
new file mode 100644
index 0000000000..916b5df3d9
--- /dev/null
+++ b/source4/lib/replace/Makefile.in
@@ -0,0 +1,37 @@
+CC = @CC@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+bindir = @bindir@
+includedir = @includedir@
+libdir = @libdir@
+VPATH = @srcdir@
+srcdir = @srcdir@
+builddir = @builddir@
+INSTALL = @INSTALL@
+
+OBJS = dlfcn.o getpass.o replace.o snprintf.o
+
+all: libreplace.a
+
+install: all
+	$(INSTALL) libreplace.a $(libdir)
+
+libreplace.a: $(OBJS)
+	ar -rv $@ $(OBJS)
+	@-ranlib $@
+
+test: testsuite
+	./testsuite
+
+TEST_OBJS = test/testsuite.o
+
+testsuite: libreplace.a $(TEST_OBJS)
+	$(CC) -o testsuite $(TEST_OBJS)
+
+.c.o:
+	@echo Compiling $*.c
+	@mkdir -p `dirname $@`
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -f *.o
diff --git a/source4/lib/replace/README b/source4/lib/replace/README
index 271713247a..fd630ddc45 100644
--- a/source4/lib/replace/README
+++ b/source4/lib/replace/README
@@ -2,10 +2,10 @@ This subsystem ensures that we can always use a certain core set of
 functions and types, that are either provided by the OS or by replacement 
 functions / definitions in this subsystem. The aim is to try to stick 
 to POSIX functions in here as much as possible. Convenience functions 
-that are available on no platform at all belong in different subsystems
+that are available on no platform at all belong in other subsystems
 (such as LIBUTIL).
 
-The following functions are guarenteed:
+The following functions are guaranteed:
 
 ftruncate
 strlcpy
@@ -21,8 +21,6 @@ setlinebuf
 vsyslog
 timegm
 setenv
-strtoull
-strtoll
 strndup
 strnlen
 waitpid
@@ -52,6 +50,8 @@ pwrite
 getpass
 readline (the library)
 inet_ntoa
+strtoll
+strtoull
 
 Types:
 bool
@@ -59,6 +59,7 @@ socklen_t
 uint_t
 uint{8,16,32,64}_t
 int{8,16,32,64}_t
+intptr_t
 
 Constants:
 PATH_NAME_MAX
diff --git a/source4/lib/replace/autogen.sh b/source4/lib/replace/autogen.sh
new file mode 100755
index 0000000000..5b4c37cf96
--- /dev/null
+++ b/source4/lib/replace/autogen.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+rm -rf autom4te.cache
+
+autoheader || exit 1
+autoconf || exit 1
+
+echo "Now run ./configure and then make."
+exit 0
+
diff --git a/source4/lib/replace/config.m4 b/source4/lib/replace/config.m4
index 93f0bb34a7..c2e0e5e6f4 100644
--- a/source4/lib/replace/config.m4
+++ b/source4/lib/replace/config.m4
@@ -1,8 +1,11 @@
 AC_CHECK_HEADERS([stdint.h inttypes.h])
 AC_CHECK_TYPE(uint_t, unsigned int)
+AC_CHECK_TYPE(uint8_t, unsigned char)
+AC_CHECK_TYPE(int8_t, char)
 AC_CHECK_TYPE(int16_t, short)
 AC_CHECK_TYPE(uint16_t, unsigned short)
 AC_CHECK_TYPE(int32_t, long)
+AC_CHECK_TYPE(intptr_t, unsigned long long)
 AC_CHECK_TYPE(uint32_t, unsigned long)
 AC_CHECK_TYPE(ssize_t, int)
 
@@ -170,3 +173,18 @@ else
 fi
 
 AC_CHECK_HEADERS([sys/param.h limits.h])
+
+AC_CHECK_TYPE(comparison_fn_t, 
+[AC_DEFINE(HAVE_COMPARISON_FN_T, 1,[Whether or not we have comparison_fn_t])])
+
+AC_CHECK_FUNCS(timegm strnlen setenv)
+AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq)
+
+AC_TRY_CPP([
+#define eprintf(...) fprintf(stderr, __VA_ARGS__)
+eprintf("bla", "bar");
+], [], [AC_MSG_ERROR([__VA_ARGS__ is required])])
+
+# Check prerequisites
+AC_CHECK_FUNCS([memset printf syslog], [], 
+			   [ AC_MSG_ERROR([Required function not found])])
diff --git a/source4/lib/replace/config.mk b/source4/lib/replace/config.mk
index 9f6bc0ce53..49a1e7fe1b 100644
--- a/source4/lib/replace/config.mk
+++ b/source4/lib/replace/config.mk
@@ -9,6 +9,7 @@ OBJ_FILES = \
 ##############################
 # Start SUBSYSTEM LIBREPLACE
 [SUBSYSTEM::LIBREPLACE]
+CFLAGS = -Ilib/replace
 OBJ_FILES = replace.o \
 		snprintf.o \
 		dlfcn.o \
diff --git a/source4/lib/replace/configure.ac b/source4/lib/replace/configure.ac
new file mode 100644
index 0000000000..a05a9cbfe7
--- /dev/null
+++ b/source4/lib/replace/configure.ac
@@ -0,0 +1,52 @@
+AC_DEFUN([SMB_EXT_LIB], [echo -n ""])
+AC_DEFUN([SMB_ENABLE], [echo -n ""])
+
+dnl see if a declaration exists for a function or variable
+dnl defines HAVE_function_DECL if it exists
+dnl AC_HAVE_DECL(var, includes)
+AC_DEFUN(AC_HAVE_DECL,
+[
+ AC_CACHE_CHECK([for $1 declaration],ac_cv_have_$1_decl,[
+    AC_TRY_COMPILE([$2],[int i = (int)$1],
+        ac_cv_have_$1_decl=yes,ac_cv_have_$1_decl=no)])
+ if test x"$ac_cv_have_$1_decl" = x"yes"; then
+    AC_DEFINE([HAVE_]translit([$1], [a-z], [A-Z])[_DECL],1,[Whether $1() is available])
+ fi
+])
+
+dnl AC_SEARCH_LIBS_EXT(FUNCTION, SEARCH-LIBS, EXT_LIBS,
+dnl                    [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
+dnl                    [OTHER-LIBRARIES])
+dnl --------------------------------------------------------
+dnl Search for a library defining FUNC, if it's not already available.
+AC_DEFUN([AC_SEARCH_LIBS_EXT],
+[AC_CACHE_CHECK([for library containing $1], [ac_cv_search_ext_$1],
+[
+ac_func_search_ext_save_LIBS=$LIBS
+ac_cv_search_ext_$1=no
+AC_LINK_IFELSE([AC_LANG_CALL([], [$1])],
+	       [ac_cv_search_ext_$1="none required"])
+if test "$ac_cv_search_ext_$1" = no; then
+  for ac_lib in $2; do
+    LIBS="-l$ac_lib $$3 $6 $ac_func_search_save_ext_LIBS"
+    AC_LINK_IFELSE([AC_LANG_CALL([], [$1])],
+		   [ac_cv_search_ext_$1="-l$ac_lib"
+break])
+  done
+fi
+LIBS=$ac_func_search_ext_save_LIBS])
+AS_IF([test "$ac_cv_search_ext_$1" != no],
+  [test "$ac_cv_search_ext_$1" = "none required" || $3="$ac_cv_search_ext_$1 $$3"
+  $4],
+      [$5])dnl
+])
+
+AC_PREREQ(2.50)
+AC_INIT(dlfcn.c)
+AC_CONFIG_SRCDIR([dlfcn.c])
+AC_CONFIG_HEADER(replace_config.h)
+AC_PROG_INSTALL
+sinclude(config.m4)
+sinclude(win32/config.m4)
+sinclude(repdir/config.m4)
+AC_OUTPUT(Makefile)
diff --git a/source4/lib/replace/dlfcn.c b/source4/lib/replace/dlfcn.c
index 6df57cd60c..79005c0d2b 100644
--- a/source4/lib/replace/dlfcn.c
+++ b/source4/lib/replace/dlfcn.c
@@ -3,23 +3,28 @@
    Samba system utilities
    Copyright (C) Andrew Tridgell 1992-1998
    Copyright (C) Jeremy Allison 1998-2002
+
+     ** NOTE! The following LGPL license applies to the replace
+     ** library. This does NOT imply that all of Samba is released
+     ** under the LGPL
    
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
-#include "includes.h"
+#include "replace.h"
+#include <stdlib.h>
 
 #ifndef HAVE_DLOPEN
 void *dlopen(const char *name, int flags)
diff --git a/source4/lib/replace/getpass.c b/source4/lib/replace/getpass.c
index 4ffcde8dfd..1aac7c61ab 100644
--- a/source4/lib/replace/getpass.c
+++ b/source4/lib/replace/getpass.c
@@ -18,9 +18,38 @@ Cambridge, MA 02139, USA.  */
 
 /* Modified to use with samba by Jeremy Allison, 8th July 1995. */
 
-#include "includes.h"
-#include "system/terminal.h"
-#include "system/wait.h"
+#include "replace.h"
+#include <stdlib.h>
+
+#if defined(HAVE_TERMIOS_H)
+/* POSIX terminal handling. */
+#include <termios.h>
+#elif defined(HAVE_TERMIO_H)
+/* Older SYSV terminal handling - don't use if we can avoid it. */
+#include <termio.h>
+#elif defined(HAVE_SYS_TERMIO_H)
+/* Older SYSV terminal handling - don't use if we can avoid it. */
+#include <sys/termio.h>
+#endif
+
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
+/*
+ * Define additional missing types
+ */
+#ifndef HAVE_SIG_ATOMIC_T_TYPE
+typedef int sig_atomic_t;
+#endif
+
+#ifndef SIGCLD
+#define SIGCLD SIGCHLD
+#endif
+
+#ifndef SIGNAL_CAST
+#define SIGNAL_CAST (RETSIGTYPE (*)(int))
+#endif
 
 #ifdef REPLACE_GETPASS
 
diff --git a/source4/lib/replace/repdir/repdir.c b/source4/lib/replace/repdir/repdir.c
index b536ed6587..07b9568dc1 100644
--- a/source4/lib/replace/repdir/repdir.c
+++ b/source4/lib/replace/repdir/repdir.c
@@ -2,20 +2,24 @@
    Unix SMB/CIFS implementation.
 
    Copyright (C) Andrew Tridgell 2005
+
+     ** NOTE! The following LGPL license applies to the replace
+     ** library. This does NOT imply that all of Samba is released
+     ** under the LGPL
    
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 /*
   a replacement for opendir/readdir/telldir/seekdir/closedir for BSD systems
diff --git a/source4/lib/replace/replace.c b/source4/lib/replace/replace.c
index 4048fe558e..5333c6a9fe 100644
--- a/source4/lib/replace/replace.c
+++ b/source4/lib/replace/replace.c
@@ -2,38 +2,41 @@
    Unix SMB/CIFS implementation.
    replacement routines for broken systems
    Copyright (C) Andrew Tridgell 1992-1998
+
+     ** NOTE! The following LGPL license applies to the replace
+     ** library. This does NOT imply that all of Samba is released
+     ** under the LGPL
    
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
-#include "includes.h"
-#include "system/locale.h"
-#include "system/wait.h"
-#include "system/time.h"
-#include "system/network.h"
-#include "system/filesys.h"
-#include "system/syslog.h"
+#include "replace.h"
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <string.h>
 
- void replace_dummy(void);
- void replace_dummy(void) {}
+void replace_dummy(void);
+void replace_dummy(void) {}
 
 #ifndef HAVE_FTRUNCATE
  /*******************************************************************
 ftruncate for operating systems that don't have it
 ********************************************************************/
- int ftruncate(int f,off_t l)
+int rep_ftruncate(int f, off_t l)
 {
 #ifdef HAVE_CHSIZE
       return chsize(f,l);
@@ -53,7 +56,7 @@ ftruncate for operating systems that don't have it
 #ifndef HAVE_STRLCPY
 /* like strncpy but does not 0 fill the buffer and always null 
    terminates. bufsize is the size of the destination buffer */
- size_t strlcpy(char *d, const char *s, size_t bufsize)
+size_t rep_strlcpy(char *d, const char *s, size_t bufsize)
 {
 	size_t len = strlen(s);
 	size_t ret = len;
@@ -69,7 +72,7 @@ ftruncate for operating systems that don't have it
 /* like strncat but does not 0 fill the buffer and always null 
    terminates. bufsize is the length of the buffer, which should
    be one more than the maximum resulting string length */
- size_t strlcat(char *d, const char *s, size_t bufsize)
+size_t rep_strlcat(char *d, const char *s, size_t bufsize)
 {
 	size_t len1 = strlen(d);
 	size_t len2 = strlen(s);
@@ -97,7 +100,7 @@ Corrections by richard.kettlewell@kewill.com
 #define  HOUR    60*MINUTE
 #define  DAY             24*HOUR
 #define  YEAR    365*DAY
- time_t mktime(struct tm *t)
+time_t rep_mktime(struct tm *t)
 {
   struct tm       *u;
   time_t  epoch = 0;
@@ -149,7 +152,7 @@ Corrections by richard.kettlewell@kewill.com
 
 #ifndef HAVE_RENAME
 /* Rename a file. (from libiberty in GNU binutils)  */
- int rename(const char *zfrom, const char *zto)
+int rep_rename(const char *zfrom, const char *zto)
 {
   if (link (zfrom, zto) < 0)
     {
@@ -169,7 +172,8 @@ Corrections by richard.kettlewell@kewill.com
 /*
  * Search for a match in a netgroup. This replaces it on broken systems.
  */
- int innetgr(const char *group,const char *host,const char *user,const char *dom)
+int rep_innetgr(const char *group, const char *host, const char *user, 
+				const char *dom)
 {
 	char *hst, *usr, *dm;
   
@@ -194,7 +198,7 @@ Corrections by richard.kettlewell@kewill.com
 /****************************************************************************
  some systems don't have an initgroups call 
 ****************************************************************************/
- int initgroups(char *name, gid_t id)
+int rep_initgroups(char *name, gid_t id)
 {
 #ifndef HAVE_SETGROUPS
 	/* yikes! no SETGROUPS or INITGROUPS? how can this work? */
@@ -246,7 +250,7 @@ Corrections by richard.kettlewell@kewill.com
 /* This is needed due to needing the nap() function but we don't want
    to include the Xenix libraries since that will break other things...
    BTW: system call # 0x0c28 is the same as calling nap() */
- long nap(long milliseconds) {
+long nap(long milliseconds) {
 	 return syscall(0x0c28, milliseconds);
  }
 #endif
@@ -259,7 +263,7 @@ this is only used if the machine does not have it's own memmove().
 this is not the fastest algorithm in town, but it will do for our
 needs.
 ********************************************************************/
- void *memmove(void *dest,const void *src,int size)
+void *rep_memmove(void *dest,const void *src,int size)
 {
 	unsigned long d,s;
 	int i;
@@ -317,7 +321,7 @@ needs.
 /****************************************************************************
 duplicate a string
 ****************************************************************************/
- char *strdup(const char *s)
+char *rep_strdup(const char *s)
 {
 	size_t len;
 	char *ret;
@@ -335,7 +339,7 @@ duplicate a string
 #ifndef WITH_PTHREADS
 /* REWRITE: not thread safe */
 #ifdef REPLACE_INET_NTOA
- char *rep_inet_ntoa(struct in_addr ip)
+char *rep_inet_ntoa(struct in_addr ip)
 {
 	uint8_t *p = (uint8_t *)&ip.s_addr;
 	static char buf[18];
@@ -347,7 +351,7 @@ duplicate a string
 #endif
 
 #ifndef HAVE_SETLINEBUF
- int setlinebuf(FILE *stream)
+int rep_setlinebuf(FILE *stream)
 {
 	return setvbuf(stream, (char *)NULL, _IOLBF, 0);
 }
@@ -355,7 +359,7 @@ duplicate a string
 
 #ifndef HAVE_VSYSLOG
 #ifdef HAVE_SYSLOG
- void vsyslog (int facility_priority, char *format, va_list arglist)
+void rep_vsyslog (int facility_priority, char *format, va_list arglist)
 {
 	char *msg = NULL;
 	vasprintf(&msg, format, arglist);
@@ -388,7 +392,7 @@ duplicate a string
 /**
  Some platforms don't have strndup.
 **/
- char *strndup(const char *s, size_t n)
+char *rep_strndup(const char *s, size_t n)
 {
 	char *ret;
 	
@@ -404,14 +408,14 @@ duplicate a string
 #endif
 
 #ifndef HAVE_WAITPID
-int waitpid(pid_t pid,int *status,int options)
+int rep_waitpid(pid_t pid,int *status,int options)
 {
   return wait4(pid, status, options, NULL);
 }
 #endif
 
 #ifndef HAVE_SETEUID
- int seteuid(uid_t euid)
+int rep_seteuid(uid_t euid)
 {
 #ifdef HAVE_SETRESUID
 	return setresuid(-1, euid, -1);
@@ -422,7 +426,7 @@ int waitpid(pid_t pid,int *status,int options)
 #endif
 
 #ifndef HAVE_SETEGID
- int setegid(gid_t egid)
+int rep_setegid(gid_t egid)
 {
 #ifdef HAVE_SETRESGID
 	return setresgid(-1, egid, -1);
@@ -436,7 +440,7 @@ int waitpid(pid_t pid,int *status,int options)
 os/2 also doesn't have chroot
 ********************************************************************/
 #ifndef HAVE_CHROOT
-int chroot(const char *dname)
+int rep_chroot(const char *dname)
 {
 	errno = ENOSYS;
 	return -1;
@@ -460,7 +464,7 @@ int rep_mkstemp(char *template)
 #endif
 
 #ifndef HAVE_MKDTEMP
-char * mkdtemp(char *template)
+char *rep_mkdtemp(char *template)
 {
 	char *dname;
 	
@@ -475,7 +479,7 @@ char * mkdtemp(char *template)
 #endif
 
 #ifndef HAVE_PREAD
-static ssize_t pread(int __fd, void *__buf, size_t __nbytes, off_t __offset)
+static ssize_t rep_pread(int __fd, void *__buf, size_t __nbytes, off_t __offset)
 {
 	if (lseek(__fd, __offset, SEEK_SET) != __offset) {
 		return -1;
@@ -485,7 +489,7 @@ static ssize_t pread(int __fd, void *__buf, size_t __nbytes, off_t __offset)
 #endif
 
 #ifndef HAVE_PWRITE
-static ssize_t pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset)
+static ssize_t rep_pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset)
 {
 	if (lseek(__fd, __offset, SEEK_SET) != __offset) {
 		return -1;
@@ -495,7 +499,7 @@ static ssize_t pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offs
 #endif
 
 #ifndef HAVE_STRCASESTR
-char *strcasestr(const char *haystack, const char *needle)
+char *rep_strcasestr(const char *haystack, const char *needle)
 {
 	const char *s;
 	size_t nlen = strlen(needle);
@@ -511,7 +515,7 @@ char *strcasestr(const char *haystack, const char *needle)
 
 #ifndef HAVE_STRTOK_R
 /* based on GLIBC version, copyright Free Software Foundation */
-char *strtok_r(char *s, const char *delim, char **save_ptr)
+char *rep_strtok_r(char *s, const char *delim, char **save_ptr)
 {
 	char *token;
 
@@ -535,3 +539,111 @@ char *strtok_r(char *s, const char *delim, char **save_ptr)
 	return token;
 }
 #endif
+
+#ifndef HAVE_STRNLEN
+/**
+ Some platforms don't have strnlen
+**/
+size_t rep_strnlen(const char *s, size_t n)
+{
+	int i;
+	for (i=0; s[i] && i<n; i++)
+		/* noop */ ;
+	return i;
+}
+#endif
+
+#ifndef HAVE_STRTOLL
+long long int rep_strtoll(const char *str, char **endptr, int base)
+{
+#ifdef HAVE_STRTOQ
+	return strtoq(str, endptr, base);
+#elif defined(HAVE___STRTOLL) 
+	return __strtoll(str, endptr, base);
+#elif SIZEOF_LONG == SIZEOF_LONG_LONG
+	return (long long int) strtol(str, endptr, base);
+#else
+# error "You need a strtoll function"
+#endif
+}
+#endif
+
+
+#ifndef HAVE_STRTOULL
+unsigned long long int rep_strtoull(const char *str, char **endptr, int base)
+{
+#ifdef HAVE_STRTOUQ
+	return strtouq(str, endptr, base);
+#elif defined(HAVE___STRTOULL) 
+	return __strtoull(str, endptr, base);
+#elif SIZEOF_LONG == SIZEOF_LONG_LONG
+	return (unsigned long long int) strtoul(str, endptr, base);
+#else
+# error "You need a strtoull function"
+#endif
+}
+#endif
+
+#ifndef HAVE_SETENV
+int rep_setenv(const char *name, const char *value, int overwrite) 
+{
+	char *p;
+	size_t l1, l2;
+	int ret;
+
+	if (!overwrite && getenv(name)) {
+		return 0;
+	}
+
+	l1 = strlen(name);
+	l2 = strlen(value);
+
+	p = malloc(l1+l2+2);
+	if (p == NULL) {
+		return -1;
+	}
+	memcpy(p, name, l1);
+	p[l1] = '=';
+	memcpy(p+l1+1, value, l2);
+	p[l1+l2+1] = 0;
+
+	ret = putenv(p);
+	if (ret != 0) {
+		free(p);
+	}
+
+	return ret;
+}
+#endif
+
+#if !defined(HAVE_TIMEGM)
+
+static int is_leap(unsigned y)
+{
+	y += 1900;
+	return (y % 4) == 0 && ((y % 100) != 0 || (y % 400) == 0);
+}
+
+time_t timegm(struct tm *tm)
+{
+	static const unsigned ndays[2][12] ={
+		{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
+		{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};
+	time_t res = 0;
+	unsigned i;
+	
+	for (i = 70; i < tm->tm_year; ++i)
+		res += is_leap(i) ? 366 : 365;
+	
+	for (i = 0; i < tm->tm_mon; ++i)
+		res += ndays[is_leap(tm->tm_year)][i];
+	res += tm->tm_mday - 1;
+	res *= 24;
+	res += tm->tm_hour;
+	res *= 60;
+	res += tm->tm_min;
+	res *= 60;
+	res += tm->tm_sec;
+	return res;
+}
+#endif
diff --git a/source4/lib/replace/replace.h b/source4/lib/replace/replace.h
index e59ba43206..827777983f 100644
--- a/source4/lib/replace/replace.h
+++ b/source4/lib/replace/replace.h
@@ -4,25 +4,39 @@
    macros to go along with the lib/replace/ portability layer code
 
    Copyright (C) Andrew Tridgell 2005
+   Copyright (C) Jelmer Vernooij 2006
+
+     ** NOTE! The following LGPL license applies to the replace
+     ** library. This does NOT imply that all of Samba is released
+     ** under the LGPL
    
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
 #ifndef _replace_h
 #define _replace_h
 
+#ifdef _SAMBA_BUILD_
+#include "config.h"
+#else
+#include "replace_config.h"
+#endif /* _SAMBA_BUILD_ */
+
+#include <stdlib.h>
+#include <stdarg.h>
+
 #if defined(_MSC_VER) || defined(__MINGW32__)
 #include "lib/replace/win32/replace.h"
 #endif
@@ -53,59 +67,78 @@ extern int errno;
 #endif
 
 #ifndef HAVE_STRDUP
-char *strdup(const char *s);
+#define strdup rep_strdup
+char *rep_strdup(const char *s);
 #endif
 
 #ifndef HAVE_MEMMOVE
-void *memmove(void *dest,const void *src,int size);
+#define memmove rep_memmove
+void *rep_memmove(void *dest,const void *src,int size);
 #endif
 
 #ifndef HAVE_MKTIME
-time_t mktime(struct tm *t);
+#define mktime rep_mktime
+time_t rep_mktime(struct tm *t);
 #endif
 
 #ifndef HAVE_STRLCPY
-size_t strlcpy(char *d, const char *s, size_t bufsize);
+#define strlcpy rep_strlcpy
+size_t rep_strlcpy(char *d, const char *s, size_t bufsize);
 #endif
 
 #ifndef HAVE_STRLCAT
-size_t strlcat(char *d, const char *s, size_t bufsize);
+#define strlcat rep_strlcat
+size_t rep_strlcat(char *d, const char *s, size_t bufsize);
 #endif
 
 #ifndef HAVE_STRNDUP
-char *strndup(const char *s, size_t n);
+#define strndup rep_strndup
+char *rep_strndup(const char *s, size_t n);
 #endif
 
 #ifndef HAVE_STRNLEN
-size_t strnlen(const char *s, size_t n);
-#endif
-
-#ifndef HAVE_STRTOUL
-unsigned long strtoul(const char *nptr, char **endptr, int base);
+#define strnlen rep_strnlen
+size_t rep_strnlen(const char *s, size_t n);
 #endif
 
 #ifndef HAVE_SETENV
-int setenv(const char *name, const char *value, int overwrite); 
+#define setenv rep_setenv
+int rep_setenv(const char *name, const char *value, int overwrite); 
 #endif
 
 #ifndef HAVE_RENAME
-int rename(const char *zfrom, const char *zto);
+#define rename rep_rename
+int rep_rename(const char *zfrom, const char *zto);
 #endif
 
 #ifndef HAVE_STRCASESTR
-char *strcasestr(const char *haystack, const char *needle);
+#define strcasestr rep_strcasestr
+char *rep_strcasestr(const char *haystack, const char *needle);
 #endif
 
 #ifndef HAVE_STRTOK_R
-char *strtok_r(char *s, const char *delim, char **save_ptr);
+#define strtok_r rep_strtok_r 
+char *rep_strtok_r(char *s, const char *delim, char **save_ptr);
+#endif
+
+#ifndef HAVE_STRTOLL
+#define strtoll rep_strtoll
+long long int rep_strtoll(const char *str, char **endptr, int base);
+#endif
+
+#ifndef HAVE_STRTOULL
+#define strtoull rep_strtoull
+unsigned long long int rep_strtoull(const char *str, char **endptr, int base);
 #endif
 
 #ifndef HAVE_FTRUNCATE
-int ftruncate(int f,long l);
+#define ftruncate rep_ftruncate
+int rep_ftruncate(int f,long l);
 #endif
 
 #ifndef HAVE_VASPRINTF_DECL
-int vasprintf(char **ptr, const char *format, va_list ap);
+#define vasprintf rep_vasprintf
+int rep_vasprintf(char **ptr, const char *format, va_list ap);
 #endif
 
 #if !defined(HAVE_BZERO) && defined(HAVE_MEMSET)
@@ -114,7 +147,8 @@ int vasprintf(char **ptr, const char *format, va_list ap);
 
 #ifndef HAVE_TIMEGM
 struct tm;
-time_t timegm(struct tm *tm);
+#define timegm rep_timegm
+time_t rep_timegm(struct tm *tm);
 #endif
 
 #ifndef PRINTF_ATTRIBUTE
@@ -131,10 +165,12 @@ time_t timegm(struct tm *tm);
 
 /* add varargs prototypes with printf checking */
 #ifndef HAVE_SNPRINTF_DECL
-int snprintf(char *,size_t ,const char *, ...) PRINTF_ATTRIBUTE(3,4);
+#define snprintf rep_snprintf
+int rep_snprintf(char *,size_t ,const char *, ...) PRINTF_ATTRIBUTE(3,4);
 #endif
 #ifndef HAVE_ASPRINTF_DECL
-int asprintf(char **,const char *, ...) PRINTF_ATTRIBUTE(2,3);
+#define asprintf rep_asprintf
+int rep_asprintf(char **,const char *, ...) PRINTF_ATTRIBUTE(2,3);
 #endif
 
 
@@ -174,7 +210,8 @@ int rep_mkstemp(char *temp);
 #endif
 
 #ifndef HAVE_MKDTEMP
-char *mkdtemp(char *template);
+#define mkdtemp rep_mkdtemp
+char *rep_mkdtemp(char *template);
 #endif
 
 #ifdef HAVE_LIMITS_H
@@ -248,4 +285,6 @@ typedef int bool;
 #define __STRING(x)    #x
 #endif
 
+
+
 #endif
diff --git a/source4/lib/replace/replace.m4 b/source4/lib/replace/replace.m4
new file mode 100644
index 0000000000..829f4db6f6
--- /dev/null
+++ b/source4/lib/replace/replace.m4
@@ -0,0 +1,58 @@
+dnl Try to find a replacement library
+dnl Will define HAVE_REPLACE_H if replace.h can be found
+AC_DEFUN([SMB_LIBREPLACE], [
+AC_ARG_WITH(libreplace, 
+[ --with-libreplace					Specify location to libreplace],
+[
+ 	# Check whether libreplace can actually be found in this location
+	if ! test -f "$withval/replace.h"
+	then
+		AC_MSG_ERROR([Unable to find replace.h in $withval])
+	fi
+	replacedir=$withval
+],
+[
+	# Check if we can find libreplace in a common location
+	for dir in . replace ../replace
+	do
+		AC_MSG_CHECKING([for libreplace in $dir])
+		if test -f "$dir/replace.h"
+		then
+			replacedir="$dir"
+			AC_MSG_RESULT(yes)
+			break
+		fi
+		AC_MSG_RESULT(no)
+	done
+])
+
+AC_SUBST(REPLACE_LIBS)
+
+if test "$replacedir" != ""
+then
+	REPLACE_LIBS="$replacedir/libreplace.a"
+	CFLAGS="$CFLAGS -I$replacedir"
+	AC_DEFINE(HAVE_REPLACE_H, 1, 
+		  [Whether replace.h is present and should be used])
+fi
+])
+
+dnl Try to find the specified functions in the system, or 
+dnl in Samba's replacement library. In the future, this may also 
+dnl try to find these functions in libroken or GNUlib if libreplace can't be 
+dnl found.
+AC_DEFUN(SMB_REPLACE_FUNCS, [
+		 AC_REQUIRE([SMB_LIBREPLACE])dnl
+
+		 if test -z "$replacedir" || test -f "$replacedir/libreplace.a"
+		 then
+		 	 LIBS="$LIBS $REPLACE_LIBS"
+			 for f in $1
+			 do
+				AC_CHECK_FUNC($f, [], [
+					AC_MSG_ERROR([Unable to find $f in the system. Consider
+								 specifying the path to the replacement library])
+				])
+			 done
+		fi
+])
diff --git a/source4/lib/replace/snprintf.c b/source4/lib/replace/snprintf.c
index eaa5eec405..8182f83751 100644
--- a/source4/lib/replace/snprintf.c
+++ b/source4/lib/replace/snprintf.c
@@ -103,11 +103,11 @@
  *
  **************************************************************/
 
-#ifndef NO_CONFIG_H
+#ifdef _SAMBA_BUILD_
 #include "config.h"
 #else
-#define NULL 0
-#endif 
+#include "replace_config.h"
+#endif
 
 #ifdef TEST_SNPRINTF /* need math library headers for testing */
 
diff --git a/source4/lib/replace/test/testsuite.c b/source4/lib/replace/test/testsuite.c
new file mode 100644
index 0000000000..2c68fd6664
--- /dev/null
+++ b/source4/lib/replace/test/testsuite.c
@@ -0,0 +1,366 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   libreplace tests
+
+   Copyright (C) Jelmer Vernooij 2006
+
+     ** NOTE! The following LGPL license applies to the talloc
+     ** library. This does NOT imply that all of Samba is released
+     ** under the LGPL
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "../replace.h"
+#include <stdio.h>
+
+int test_ftruncate()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_strlcpy()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_strlcat()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_mktime()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_rename()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_innetgr()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_initgroups()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_memmove()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_strdup()
+{
+	/* FIXME */
+	return true;
+}	
+
+int test_setlinebuf()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_vsyslog()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_timegm()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_setenv()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_strndup()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_strnlen()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_waitpid()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_seteuid()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_setegid()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_asprintf()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_snprintf()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_vasprintf()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_vsnprintf()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_opendir()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_readdir()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_telldir()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_seekdir()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_dlopen()
+{
+	/* FIXME: test dlopen, dlsym, dlclose, dlerror */
+	return true;
+}
+
+
+int test_chroot()
+{
+	/* FIXME: chroot() */
+	return true;
+}
+
+int test_bzero()
+{
+	/* FIXME: bzero */
+	return true;
+}
+
+int test_strerror()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_errno()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_mkdtemp()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_mkstemp()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_pread()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_pwrite()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_getpass()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_inet_ntoa()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_strtoll()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_strtoull()
+{
+	/* FIXME */
+	return true;
+}
+
+/* 
+FIXME:
+Types:
+bool
+socklen_t
+uint_t
+uint{8,16,32,64}_t
+int{8,16,32,64}_t
+intptr_t
+
+Constants:
+PATH_NAME_MAX
+UINT{16,32,64}_MAX
+INT32_MAX
+*/
+
+int test_va_copy()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_FUNCTION()
+{
+	/* FIXME: test __FUNCTION__ macro */
+	return true;
+}
+
+int test_MIN()
+{
+	/* FIXME */
+	return true;
+}
+
+int test_MAX()
+{
+	/* FIXME */
+	return true;
+}
+
+int torture_local_replace()
+{
+	int ret = true;
+;
+	ret &= test_ftruncate();
+	ret &= test_strlcpy();
+	ret &= test_strlcat();
+	ret &= test_mktime();
+	ret &= test_rename();
+	ret &= test_innetgr();
+	ret &= test_initgroups();
+	ret &= test_memmove();
+	ret &= test_strdup();
+	ret &= test_setlinebuf();
+	ret &= test_vsyslog();
+	ret &= test_timegm();
+	ret &= test_setenv();
+	ret &= test_strndup();
+	ret &= test_strnlen();
+	ret &= test_waitpid();
+	ret &= test_seteuid();
+	ret &= test_setegid();
+	ret &= test_asprintf();
+	ret &= test_snprintf();
+	ret &= test_vasprintf();
+	ret &= test_vsnprintf();
+	ret &= test_opendir();
+	ret &= test_readdir() ;
+	ret &= test_telldir();
+	ret &= test_seekdir();
+	ret &= test_dlopen();
+	ret &= test_chroot();
+	ret &= test_bzero();
+	ret &= test_strerror();
+	ret &= test_errno();
+	ret &= test_mkdtemp();
+	ret &= test_mkstemp();
+	ret &= test_pread();
+	ret &= test_pwrite();
+	ret &= test_getpass();
+	ret &= test_inet_ntoa();
+	ret &= test_strtoll();
+	ret &= test_strtoll();
+	ret &= test_strtoull();
+	ret &= test_va_copy();
+	ret &= test_FUNCTION();
+	ret &= test_MIN();
+	ret &= test_MAX();
+
+	return ret;
+}
+
+#if !defined(_SAMBA_BUILD_) || ((SAMBA_VERSION_MAJOR==3)&&(SAMBA_VERSION_MINOR<9))
+int main(void)
+{
+	if (!torture_local_replace(NULL)) {
+		printf("ERROR: TESTSUITE FAILED\n");
+		return -1;
+	}
+	return 0;
+}
+#endif
diff --git a/source4/lib/replace/timegm.c b/source4/lib/replace/timegm.c
new file mode 100644
index 0000000000..5fb15475f3
--- /dev/null
+++ b/source4/lib/replace/timegm.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 1997 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+/*
+  adapted for Samba4 by Andrew Tridgell
+*/
+
+#include "includes.h"
+#include "ldb/include/includes.h"
+
+#ifndef HAVE_TIMEGM
+
+static int is_leap(unsigned y)
+{
+	y += 1900;
+	return (y % 4) == 0 && ((y % 100) != 0 || (y % 400) == 0);
+}
+
+time_t timegm(struct tm *tm)
+{
+	static const unsigned ndays[2][12] ={
+		{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
+		{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};
+	time_t res = 0;
+	unsigned i;
+	
+	for (i = 70; i < tm->tm_year; ++i)
+		res += is_leap(i) ? 366 : 365;
+	
+	for (i = 0; i < tm->tm_mon; ++i)
+		res += ndays[is_leap(tm->tm_year)][i];
+	res += tm->tm_mday - 1;
+	res *= 24;
+	res += tm->tm_hour;
+	res *= 60;
+	res += tm->tm_min;
+	res *= 60;
+	res += tm->tm_sec;
+	return res;
+}
+
+#endif /* HAVE_TIMEGM */