Add -DDUMP_INCLUDES configtest option to show the tree

of Included configuration files.  


Example:

    Included configuration files:
      (*) .../conf/httpd.conf
        (517) .../conf/extra/proxy-html.conf
          (91) /dev/null



Submitted By: Jacob Champion <champion.pxi gmail.com>
Committed By: covener





git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1747808 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 62 insertions, 0 deletions

diff --git a/server/config.c b/server/config.c
index 741bc00fd5..b02fac2dca 100644
--- a/server/config.c
+++ b/server/config.c
@@ -1797,6 +1797,54 @@ static int fname_alphasort(const void *fn1, const void *fn2)
     return strcmp(f1->fname,f2->fname);
 }
 
+/**
+ * Used by -D DUMP_INCLUDES to output the config file "tree".
+ */
+static void dump_config_name(const char *fname, apr_pool_t *p)
+{
+    unsigned i, recursion, line_number;
+    void *data;
+    apr_file_t *out = NULL;
+
+    apr_file_open_stdout(&out, p);
+
+    /* ap_include_sentinel is defined by the core Include directive; use it to
+     * figure out how deep in the stack we are.
+     */
+    apr_pool_userdata_get(&data, "ap_include_sentinel", p);
+
+    if (data) {
+        recursion = *(unsigned *)data;
+    } else {
+        recursion = 0;
+    }
+
+    /* Indent once for each level. */
+    for (i = 0; i < (recursion + 1); ++i) {
+        apr_file_printf(out, "  ");
+    }
+
+    /* ap_include_lineno is similarly defined to tell us where in the last
+     * config file we were.
+     */
+    apr_pool_userdata_get(&data, "ap_include_lineno", p);
+
+    if (data) {
+        line_number = *(unsigned *)data;
+    } else {
+        line_number = 0;
+    }
+
+    /* Print the line number and the name of the parsed file. */
+    if (line_number > 0) {
+        apr_file_printf(out, "(%u)", line_number);
+    } else {
+        apr_file_printf(out, "(*)");
+    }
+
+    apr_file_printf(out, " %s\n", fname);
+}
+
 AP_DECLARE(const char *) ap_process_resource_config(server_rec *s,
                                                     const char *fname,
                                                     ap_directive_t **conftree,
@@ -1821,6 +1869,10 @@ AP_DECLARE(const char *) ap_process_resource_config(server_rec *s,
                             fname, &rv);
     }
 
+    if (ap_exists_config_define("DUMP_INCLUDES")) {
+        dump_config_name(fname, p);
+    }
+
     parms.config_file = cfp;
     error = ap_build_config(&parms, p, ptemp, conftree);
     ap_cfg_closefile(cfp);
@@ -2417,6 +2469,16 @@ AP_DECLARE(server_rec*) ap_read_config(process_rec *process, apr_pool_t *ptemp,
 
     init_config_globals(p);
 
+    if (ap_exists_config_define("DUMP_INCLUDES")) {
+        apr_file_t *out = NULL;
+        apr_file_open_stdout(&out, p);
+
+        /* Included files will be dumped as the config is walked; print a
+         * header.
+         */
+        apr_file_printf(out, "Included configuration files:\n");
+    }
+
     /* All server-wide config files now have the SAME syntax... */
     error = process_command_config(s, ap_server_pre_read_config, conftree,
                                    p, ptemp);