- prepare 1.4

diff --git a/ChangeLog b/ChangeLog
index 131387f0cde6e4f2cc6f38aa00884e034a7963c1..3e0f4013eacb65ab727da0c8633363d23cd31504 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,7 +2,14 @@ mod_domaintree ChangeLog
 ========================
 $Id$
 
 ========================
 $Id$
 

-v1.3   -- 2006/01/00
+v1.4  -- 2006/05/29
+-------------------
+       * Added per-server configuration merge hook
+       * #ifdef'd out pid logging
+       * Replaced links with actual files in tarball
+       * Add debug symbols by default
+
+v1.3   -- 2006/01/28

 --------------------
        * Code clean up
        * Added configure etc.
 --------------------
        * Code clean up
        * Added configure etc.

diff --git a/Makefile.in b/Makefile.in
index c0e889601508123fddf57d38b2a2bf6fd2629b6f..2e41a26a105a7484d3ed55426cccf0f7b71bbfe1 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,21 +1,21 @@
 APXS2=@APXS2@
 APXS2=@APXS2@

-PACKAGE=@PACKAGE_NAME@
+PACKAGE=@PACKAGE_TARNAME@

 VERSION=@PACKAGE_VERSION@
 CFLAGS=`$(APXS2) -q CFLAGS`
 all: 
 VERSION=@PACKAGE_VERSION@
 CFLAGS=`$(APXS2) -q CFLAGS`
 all: 

-       @$(APXS2) -S CFLAGS="-DHAVE_CONFIG_H $(CFLAGS) -w" -c mod_domaintree.c
+       @$(APXS2) -S CFLAGS="-DHAVE_CONFIG_H $(CFLAGS) -g -w" -c mod_domaintree.c

 
 install:
 
 install:

-       @$(APXS2) -S CFLAGS="-DHAVE_CONFIG_H $(CFLAGS) -w" -c -i mod_domaintree.c -DHAVE_CONFIG_H
+       @$(APXS2) -S CFLAGS="-DHAVE_CONFIG_H $(CFLAGS) -g -w" -c -i mod_domaintree.c

 
 setup:
 
 setup:

-       @$(APXS2) -S CFLAGS="-DHAVE_CONFIG_H $(CFLAGS) -w" -c -i -a mod_domaintree.c -DHAVE_CONFIG_H
+       @$(APXS2) -S CFLAGS="-DHAVE_CONFIG_H $(CFLAGS) -g -w" -c -i -a mod_domaintree.c

 
 clean:
        @rm -f mod_domaintree.*[^c]
 
 dist:
 
 clean:
        @rm -f mod_domaintree.*[^c]
 
 dist:

-       @tar czf $(PACKAGE)-$(VERSION).tgz \
+       @tar czfh $(PACKAGE)-$(VERSION).tgz \

                ../mod_domaintree/mod_domaintree.c \
                ../mod_domaintree/LICENSE.txt \
                ../mod_domaintree/ChangeLog \
                ../mod_domaintree/mod_domaintree.c \
                ../mod_domaintree/LICENSE.txt \
                ../mod_domaintree/ChangeLog \

diff --git a/configure b/configure
index f4d2284db52dbaf1f4c740eef96d5bcd4c5cda16..22de5cb50762bff0fe8f8cf4fd26c10f84eba3f3 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.

-# Generated by GNU Autoconf 2.59 for mod_domaintree 1.3.
+# Generated by GNU Autoconf 2.59 for mod_domaintree 1.4.

 #
 # Report bugs to <mike@iworks.at>.
 #
 #
 # Report bugs to <mike@iworks.at>.
 #


@@ -269,8 +269,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='mod_domaintree'
 PACKAGE_TARNAME='mod_domaintree'
 # Identity of this package.
 PACKAGE_NAME='mod_domaintree'
 PACKAGE_TARNAME='mod_domaintree'

-PACKAGE_VERSION='1.3'
-PACKAGE_STRING='mod_domaintree 1.3'
+PACKAGE_VERSION='1.4'
+PACKAGE_STRING='mod_domaintree 1.4'

 PACKAGE_BUGREPORT='mike@iworks.at'
 
 ac_unique_file="mod_domaintree.c"
 PACKAGE_BUGREPORT='mike@iworks.at'
 
 ac_unique_file="mod_domaintree.c"


@@ -780,7 +780,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF

-\`configure' configures mod_domaintree 1.3 to adapt to many kinds of systems.
+\`configure' configures mod_domaintree 1.4 to adapt to many kinds of systems.

 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 


@@ -837,7 +837,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in

-     short | recursive ) echo "Configuration of mod_domaintree 1.3:";;
+     short | recursive ) echo "Configuration of mod_domaintree 1.4:";;

    esac
   cat <<\_ACEOF
 
    esac
   cat <<\_ACEOF
 


@@ -954,7 +954,7 @@ fi
 test -n "$ac_init_help" && exit 0
 if $ac_init_version; then
   cat <<\_ACEOF
 test -n "$ac_init_help" && exit 0
 if $ac_init_version; then
   cat <<\_ACEOF

-mod_domaintree configure 1.3
+mod_domaintree configure 1.4

 generated by GNU Autoconf 2.59
 
 Copyright (C) 2003 Free Software Foundation, Inc.
 generated by GNU Autoconf 2.59
 
 Copyright (C) 2003 Free Software Foundation, Inc.


@@ -968,7 +968,7 @@ cat >&5 <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 

-It was created by mod_domaintree $as_me 1.3, which was
+It was created by mod_domaintree $as_me 1.4, which was

 generated by GNU Autoconf 2.59.  Invocation command line was
 
   $ $0 $@
 generated by GNU Autoconf 2.59.  Invocation command line was
 
   $ $0 $@


@@ -3702,7 +3702,7 @@ _ASBOX
 } >&5
 cat >&5 <<_CSEOF
 
 } >&5
 cat >&5 <<_CSEOF
 

-This file was extended by mod_domaintree $as_me 1.3, which was
+This file was extended by mod_domaintree $as_me 1.4, which was

 generated by GNU Autoconf 2.59.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
 generated by GNU Autoconf 2.59.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES


@@ -3762,7 +3762,7 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
 
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\

-mod_domaintree config.status 1.3
+mod_domaintree config.status 1.4

 configured by $0, generated by GNU Autoconf 2.59,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
 configured by $0, generated by GNU Autoconf 2.59,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 

diff --git a/mod_domaintree.c b/mod_domaintree.c
index 018178ae94cbd939d364a7ac98626af98806885f..7d2c3b2967952f1ecbdb09b96973557d681d76a0 100644 (file)
--- a/mod_domaintree.c
+++ b/mod_domaintree.c
@@ -87,6 +87,8 @@ module AP_MODULE_DECLARE_DATA domaintree_module;
 /* }}} */
 /* {{{ Macros & Types */
 
 /* }}} */
 /* {{{ Macros & Types */
 

+#define DBG 0
+

 #define MDT_CNF domaintree_conf
 #define MDT_PTR (&domaintree_module)
 
 #define MDT_CNF domaintree_conf
 #define MDT_PTR (&domaintree_module)
 


@@ -96,11 +98,15 @@ module AP_MODULE_DECLARE_DATA domaintree_module;
 
 #define NUL '\0'
 #define EMPTY(str) ((str == NULL) || (*(str) == NUL))
 
 #define NUL '\0'
 #define EMPTY(str) ((str == NULL) || (*(str) == NUL))

-#define local static APR_INLINE
+#if DBG
+#      define local static
+#else
+#      define local static APR_INLINE
+#endif

 
 

-#define DT_LOG_ERR ap_log_error(APLOG_MARK, APLOG_ERR, APR_SUCCESS, DT->server, 
-#define DT_LOG_WRN ap_log_error(APLOG_MARK, APLOG_WARNING, APR_SUCCESS, DT->server, 
-#define DT_LOG_DBG ap_log_error(APLOG_MARK, APLOG_DEBUG, APR_SUCCESS, DT->server, 
+#define DT_LOG_ERR ap_log_error(APLOG_MARK, APLOG_ERR, APR_SUCCESS, DT->server, "DomainTree: "
+#define DT_LOG_WRN ap_log_error(APLOG_MARK, APLOG_WARNING, APR_SUCCESS, DT->server, "DomainTree: "
+#define DT_LOG_DBG ap_log_error(APLOG_MARK, APLOG_DEBUG, APR_SUCCESS, DT->server, "DomainTree: "

 #define DT_LOG_END );
 
 typedef int STATUS;
 #define DT_LOG_END );
 
 typedef int STATUS;


@@ -195,7 +201,7 @@ local int strmatch(const char *match, const char *string, const char **begin, co
                                        *end = string;
                                        return 0;
                                }
                                        *end = string;
                                        return 0;
                                }

-                       break;
+                               break;

                        
                        case '?':
                                if (!*begin) {
                        
                        case '?':
                                if (!*begin) {


@@ -203,7 +209,7 @@ local int strmatch(const char *match, const char *string, const char **begin, co
                                }
                                ++string;
                                ++match;
                                }
                                ++string;
                                ++match;

-                       break;
+                               break;

                        
                        default:
                                if (*match == *string) {
                        
                        default:
                                if (*match == *string) {


@@ -218,7 +224,7 @@ local int strmatch(const char *match, const char *string, const char **begin, co
                                        }
                                }
                                ++string;
                                        }
                                }
                                ++string;

-                       break;
+                               break;

                }
        }
        
                }
        }
        


@@ -230,15 +236,14 @@ local char *struniqchr(char *string, char uniq)
 {
        char *ptr = string;
        
 {
        char *ptr = string;
        

-       while (*ptr) {
-               if (*ptr == uniq && *(ptr + 1) == uniq) {
-                       char *pos = ptr + 1;
+       while (ptr[0]) {
+               if (ptr[0] == uniq && ptr[1] == uniq) {
+                       char *pos = &ptr[1];

                        
                        

-                       while (*(pos + 1) == uniq) {
-                               ++pos;
+                       for (; pos[1] == uniq; ++pos);
+                       for (; pos[0]; ++pos) {
+                               pos[0] = pos[1];

                        }
                        }

-                       
-                       memmove(ptr, pos, strlen(pos) + 1);

                }
                ++ptr;
        }
                }
                ++ptr;
        }


@@ -253,7 +258,7 @@ local char *domaintree_host(apr_pool_t *pool, MDT_CNF *DT, const char *host_name
        
        if (EMPTY(host_name)) {
                DT_LOG_WRN
        
        if (EMPTY(host_name)) {
                DT_LOG_WRN

-                       "DomainTree: no host/server name"
+                       "no host/server name"

                DT_LOG_END
                return NULL;
        }
                DT_LOG_END
                return NULL;
        }


@@ -273,7 +278,7 @@ local char *domaintree_host(apr_pool_t *pool, MDT_CNF *DT, const char *host_name
        host = trim(host, len, '.', TRIM_BOTH);
        
        DT_LOG_DBG
        host = trim(host, len, '.', TRIM_BOTH);
        
        DT_LOG_DBG

-               "DomainTree: host name = %s for %s", host, host_name
+               "host name = %s for %s", host, host_name

        DT_LOG_END
        
        return host;
        DT_LOG_END
        
        return host;


@@ -290,7 +295,7 @@ local char *domaintree_path(apr_pool_t *pool, MDT_CNF *DT, const char *host_name
                /* check max depth */
                if (++depth > maxdepth) {
                        DT_LOG_ERR
                /* check max depth */
                if (++depth > maxdepth) {
                        DT_LOG_ERR

-                               "DomainTree: maxdepth exceeded (%ld)", maxdepth
+                               "maxdepth exceeded (%ld)", maxdepth

                        DT_LOG_END
                        return NULL;
                }
                        DT_LOG_END
                        return NULL;
                }


@@ -301,7 +306,7 @@ local char *domaintree_path(apr_pool_t *pool, MDT_CNF *DT, const char *host_name
                        /* strip WWW */
                        if ((DT->stripwww > 0) && (depth == 1) && (!strncmp(host, "www.", sizeof("www")))) {
                                DT_LOG_DBG
                        /* strip WWW */
                        if ((DT->stripwww > 0) && (depth == 1) && (!strncmp(host, "www.", sizeof("www")))) {
                                DT_LOG_DBG

-                                       "DomainTree: strip www"
+                                       "strip www"

                                DT_LOG_END
                        } else {
                                path = apr_pstrcat(pool, apr_pstrndup(pool, host, host_ptr - host), "/", path, NULL);
                                DT_LOG_END
                        } else {
                                path = apr_pstrcat(pool, apr_pstrndup(pool, host, host_ptr - host), "/", path, NULL);


@@ -317,7 +322,7 @@ local char *domaintree_path(apr_pool_t *pool, MDT_CNF *DT, const char *host_name
        }
        
        DT_LOG_DBG
        }
        
        DT_LOG_DBG

-               "DomainTree: path name = %s for %s", path, host_name
+               "path name = %s for %s", path, host_name

        DT_LOG_END
        
        return path;
        DT_LOG_END
        
        return path;


@@ -340,7 +345,7 @@ local void domaintree_fake(apr_pool_t *pool, MDT_CNF *DT, char **path)
                
                if (recurlevel++ > DT->aliases.recursion) {
                        DT_LOG_ERR
                
                if (recurlevel++ > DT->aliases.recursion) {
                        DT_LOG_ERR

-                               "DomainTree: maximum alias recursion level (%ld) exceeded! "
+                               "maximum alias recursion level (%ld) exceeded! "

                                "Check if you have recursive definitions of DomainTreeAlias directives.", 
                                DT->aliases.recursion
                        DT_LOG_END
                                "Check if you have recursive definitions of DomainTreeAlias directives.", 
                                DT->aliases.recursion
                        DT_LOG_END


@@ -351,7 +356,7 @@ local void domaintree_fake(apr_pool_t *pool, MDT_CNF *DT, char **path)
                        const char *begin, *end;
                        
                        DT_LOG_DBG
                        const char *begin, *end;
                        
                        DT_LOG_DBG

-                               "DomainTree: fake test = %s on %s", array[i].key, *path
+                               "fake test = %s on %s", array[i].key, *path

                        DT_LOG_END
                        
                        if (strmatch(array[i].key, *path, &begin, &end)) {
                        DT_LOG_END
                        
                        if (strmatch(array[i].key, *path, &begin, &end)) {


@@ -359,7 +364,7 @@ local void domaintree_fake(apr_pool_t *pool, MDT_CNF *DT, char **path)
                                *path = apr_pstrcat(local_pool, "/", apr_pstrndup(local_pool, *path, begin - *path), "/", array[i].val, "/", end, NULL);
                                
                                DT_LOG_DBG
                                *path = apr_pstrcat(local_pool, "/", apr_pstrndup(local_pool, *path, begin - *path), "/", array[i].val, "/", end, NULL);
                                
                                DT_LOG_DBG

-                                       "DomainTree: fake done = %s (%s <> %s)", *path, array[i].key, array[i].val
+                                       "fake done = %s (%s <> %s)", *path, array[i].key, array[i].val

                                DT_LOG_END
                        }
                }
                                DT_LOG_END
                        }
                }


@@ -386,7 +391,7 @@ local char *domaintree_cache_get(MDT_CNF *DT, apr_time_t atime, const char *host
        
        if (path) {
                DT_LOG_DBG
        
        if (path) {
                DT_LOG_DBG

-                       "DomainTree: cache hit = %s for %s", path, host
+                       "cache hit = %s for %s", path, host

                DT_LOG_END
        }
        
                DT_LOG_END
        }
        


@@ -413,7 +418,7 @@ local void domaintree_cache_set(MDT_CNF *DT, apr_time_t atime, const char *host,
                dircache_entry_t *purge_this = NULL;
        
                DT_LOG_WRN
                dircache_entry_t *purge_this = NULL;
        
                DT_LOG_WRN

-                               "DomainTree: reached cache limit (%ld)", DT->dircache.clim
+                               "reached cache limit (%ld)", DT->dircache.clim

                DT_LOG_END
                
                for (idx = apr_hash_first(DT->dircache.pool, DT->dircache.hmap); idx; idx = apr_hash_next(idx)) {
                DT_LOG_END
                
                for (idx = apr_hash_first(DT->dircache.pool, DT->dircache.hmap); idx; idx = apr_hash_next(idx)) {


@@ -427,7 +432,7 @@ local void domaintree_cache_set(MDT_CNF *DT, apr_time_t atime, const char *host,
        
                if (purge_this) {
                        DT_LOG_DBG
        
                if (purge_this) {
                        DT_LOG_DBG

-                                       "DomainTree: cache del = %s", purge_this->host
+                                       "cache del = %s", purge_this->host

                        DT_LOG_END
                        apr_hash_set(DT->dircache.hmap, purge_this->host, APR_HASH_KEY_STRING, NULL);
                        apr_pool_destroy(purge_this->pool);
                        DT_LOG_END
                        apr_hash_set(DT->dircache.hmap, purge_this->host, APR_HASH_KEY_STRING, NULL);
                        apr_pool_destroy(purge_this->pool);


@@ -438,7 +443,7 @@ local void domaintree_cache_set(MDT_CNF *DT, apr_time_t atime, const char *host,
        apr_global_mutex_unlock(DT->dircache.lock);
        
        DT_LOG_DBG
        apr_global_mutex_unlock(DT->dircache.lock);
        
        DT_LOG_DBG

-               "DomainTree: cache set = %s for %s", path, host
+               "cache set = %s for %s", path, host

        DT_LOG_END
 }
 
        DT_LOG_END
 }
 


@@ -460,9 +465,11 @@ static STATUS domaintree_hook_translate_name(request_rec *r)
                return DECLINED;
        }
        
                return DECLINED;
        }
        

+#if DBG

        DT_LOG_DBG
        DT_LOG_DBG

-               "DomainTree: processid = %d", (int) getpid()
+               "processid = %d", (int) getpid()

        DT_LOG_END
        DT_LOG_END

+#endif

        
        /* get a usable host name */
        if (!(host = domaintree_host(r->pool, DT, ap_get_server_name(r)))) {
        
        /* get a usable host name */
        if (!(host = domaintree_host(r->pool, DT, ap_get_server_name(r)))) {


@@ -482,7 +489,7 @@ static STATUS domaintree_hook_translate_name(request_rec *r)
                }
                
                /* add to cache */
                }
                
                /* add to cache */

-               if (DT->dircache.clim) {
+               if (DT->dircache.clim > 0) {

                        domaintree_cache_set(DT, r->request_time, host, path);
                }
        }
                        domaintree_cache_set(DT, r->request_time, host, path);
                }
        }


@@ -499,13 +506,13 @@ static STATUS domaintree_hook_translate_name(request_rec *r)
                        case APR_SUCCESS:
                        case APR_INCOMPLETE:
                                DT_LOG_DBG
                        case APR_SUCCESS:
                        case APR_INCOMPLETE:
                                DT_LOG_DBG

-                                       "DomainTree: stat path = %s (success)", docroot
+                                       "stat path = %s (success)", docroot

                                DT_LOG_END
                        break;
                        
                        default:
                                DT_LOG_DBG
                                DT_LOG_END
                        break;
                        
                        default:
                                DT_LOG_DBG

-                                       "DomainTree: stat path = %s (failure)", docroot
+                                       "stat path = %s (failure)", docroot

                                DT_LOG_END
                                return DECLINED;
                        break;
                                DT_LOG_END
                                return DECLINED;
                        break;


@@ -520,7 +527,7 @@ static STATUS domaintree_hook_translate_name(request_rec *r)
        r->filename = apr_pstrcat(r->pool, docroot, EMPTY(r->uri) ? NULL : ('/' == *r->uri ? r->uri + 1 : r->uri), NULL);
        
        DT_LOG_DBG
        r->filename = apr_pstrcat(r->pool, docroot, EMPTY(r->uri) ? NULL : ('/' == *r->uri ? r->uri + 1 : r->uri), NULL);
        
        DT_LOG_DBG

-               "DomainTree: path done = %s", r->filename
+               "path done = %s", r->filename

        DT_LOG_END
        
        return OK;
        DT_LOG_END
        
        return OK;


@@ -557,28 +564,36 @@ static void *domaintree_create_srv(apr_pool_t *p, server_rec *s)
        DT->dircache.hmap = apr_hash_make(p);
        apr_pool_create(&DT->dircache.pool, p);
        apr_global_mutex_create(&DT->dircache.lock, __FILE__, APR_LOCK_DEFAULT, p);
        DT->dircache.hmap = apr_hash_make(p);
        apr_pool_create(&DT->dircache.pool, p);
        apr_global_mutex_create(&DT->dircache.lock, __FILE__, APR_LOCK_DEFAULT, p);

-       
+#if DBG
+       fprintf(stderr, "MDT: cfg create %p\n", DT);
+#endif

        return DT;
 }
 
 static void *domaintree_merge_srv(apr_pool_t *p, void *old_cfg_ptr, void *new_cfg_ptr)
 {
        return DT;
 }
 
 static void *domaintree_merge_srv(apr_pool_t *p, void *old_cfg_ptr, void *new_cfg_ptr)
 {

-       MDT_CNF *old_cfg = (MDT_CNF *) old_cfg_ptr;
-       MDT_CNF *new_cfg = (MDT_CNF *) new_cfg_ptr;
-       MDT_CNF *mrg_cfg = (MDT_CNF *) domaintree_create_srv(p, new_cfg->server);
-       
-       mrg_cfg->enabled = IF_SET_ELSE(new_cfg->enabled, old_cfg->enabled);
-       mrg_cfg->stripwww = IF_SET_ELSE(new_cfg->stripwww, old_cfg->stripwww);
-       mrg_cfg->statroot = IF_SET_ELSE(new_cfg->statroot, old_cfg->statroot);
-       mrg_cfg->maxdepth = IF_SET_ELSE(new_cfg->maxdepth, old_cfg->maxdepth);
-       
-       mrg_cfg->prefix = EMPTY(new_cfg->prefix) ? EMPTY(old_cfg->prefix) ? "/var/www" : old_cfg->prefix : new_cfg->prefix;
-       mrg_cfg->suffix = EMPTY(new_cfg->suffix) ? EMPTY(old_cfg->suffix) ? "public_html" : old_cfg->suffix : new_cfg->suffix;
-       
-       mrg_cfg->aliases.recursion = IF_SET_ELSE(new_cfg->aliases.recursion, old_cfg->aliases.recursion);
-       mrg_cfg->dircache.clim = IF_SET_ELSE(new_cfg->dircache.clim, old_cfg->dircache.clim);
-       
-       return mrg_cfg;
+       MDT_CNF *old_cfg = (MDT_CNF *) old_cfg_ptr, *new_cfg = (MDT_CNF *) new_cfg_ptr;
+       MDT_CNF *DT = (MDT_CNF *) apr_palloc(p, sizeof(MDT_CNF));
+       
+       DT->server = new_cfg->server;
+       DT->enabled = IF_SET_ELSE(new_cfg->enabled, old_cfg->enabled);
+       DT->stripwww = IF_SET_ELSE(new_cfg->stripwww, old_cfg->stripwww);
+       DT->statroot = IF_SET_ELSE(new_cfg->statroot, old_cfg->statroot);
+       DT->maxdepth = IF_SET_ELSE(new_cfg->maxdepth, old_cfg->maxdepth);
+       
+       DT->prefix = EMPTY(new_cfg->prefix) ? EMPTY(old_cfg->prefix) ? "/var/www" : old_cfg->prefix : new_cfg->prefix;
+       DT->suffix = EMPTY(new_cfg->suffix) ? EMPTY(old_cfg->suffix) ? "public_html" : old_cfg->suffix : new_cfg->suffix;
+       
+       DT->aliases.recursion = IF_SET_ELSE(new_cfg->aliases.recursion, old_cfg->aliases.recursion);
+       DT->aliases.faketable = apr_table_overlay(p, new_cfg->aliases.faketable, old_cfg->aliases.faketable);
+       
+       DT->dircache.clim = IF_SET_ELSE(new_cfg->dircache.clim, old_cfg->dircache.clim);
+       DT->dircache.hmap = apr_hash_overlay(p, new_cfg->dircache.hmap, old_cfg->dircache.hmap);
+       apr_global_mutex_create(&new_cfg->dircache.lock, __FILE__, APR_LOCK_DEFAULT, p);
+#if DBG
+       fprintf(stderr, "MDT: cfg merge  %p + %p = %p\n", old_cfg, new_cfg, DT);
+#endif
+       return DT;

 }
 
 static const char *domaintree_enable(cmd_parms *cmd, void *conf, int flag)
 }
 
 static const char *domaintree_enable(cmd_parms *cmd, void *conf, int flag)


@@ -616,7 +631,7 @@ static const char *domaintree_maxdepth(cmd_parms *cmd, void *conf, const char *m
        long depth;
        
        if ((depth = atol(max_depth))) {
        long depth;
        
        if ((depth = atol(max_depth))) {

-               if (depth > 0L) {
+               if (depth >= 0L) {

                        GET_MDT_CNF(cmd->server)->maxdepth = depth;
                } else {
                        return "Maximum DomainTree depth cannot be negative.";
                        GET_MDT_CNF(cmd->server)->maxdepth = depth;
                } else {
                        return "Maximum DomainTree depth cannot be negative.";


@@ -631,7 +646,7 @@ static const char *domaintree_aliasrecursion(cmd_parms *cmd, void *conf, const c
        long recursion;
        
        if ((recursion = atol(alias_recursion))) {
        long recursion;
        
        if ((recursion = atol(alias_recursion))) {

-               if (recursion > 0L) {
+               if (recursion >= 0L) {

                        GET_MDT_CNF(cmd->server)->aliases.recursion = recursion;
                } else {
                        return "DomainTree alias recursion cannot be negative.";
                        GET_MDT_CNF(cmd->server)->aliases.recursion = recursion;
                } else {
                        return "DomainTree alias recursion cannot be negative.";


@@ -655,7 +670,7 @@ static const char *domaintree_cache(cmd_parms *cmd, void *conf, const char *cach
        long limit;
        
        if ((limit = atol(cache))) {
        long limit;
        
        if ((limit = atol(cache))) {

-               if (limit > 0L) {
+               if (limit >= 0L) {

                        GET_MDT_CNF(cmd->server)->dircache.clim = limit;
                } else {
                        return "DomainTree cache limit cannot be negative.";
                        GET_MDT_CNF(cmd->server)->dircache.clim = limit;
                } else {
                        return "DomainTree cache limit cannot be negative.";