From 505a0285b81883442d0ce84994c7502ad6a7dd6d Mon Sep 17 00:00:00 2001
From: NADAL Jean-Baptiste <jean.baptiste@nadal-fr.com>
Date: Mon, 2 Apr 2018 23:02:56 +0200
Subject: [PATCH] wip

---
 src/prog/domod/src/main.cpp | 81 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 80 insertions(+), 1 deletion(-)

diff --git a/src/prog/domod/src/main.cpp b/src/prog/domod/src/main.cpp
index d3b0bb67..4552ca99 100644
--- a/src/prog/domod/src/main.cpp
+++ b/src/prog/domod/src/main.cpp
@@ -23,6 +23,7 @@
  *
  */
 
+
 /*-------------------------------- INCLUDES ---------------------------------*/
 
 #include <cstdio>
@@ -34,6 +35,10 @@ extern "C" {
 #include <libubus.h>
 }
 
+/*-------------------------------- DEFINES ---------------------------------*/
+
+#define k_path_max 1024
+
 
 /*!  ----------------------------------------------------------------------------
  *  @fn setup_ubus
@@ -67,6 +72,38 @@ static struct ubus_context *setup_ubus (void)
 }
 }
 
+/*!  ----------------------------------------------------------------------------
+ *  @fn is_path_absolute
+ *
+ *  @brief return true if the patch is absolute.
+ */
+static bool is_path_absolute (const char *a_path)
+{
+	return a_path != NULL && a_path[0] == '/';
+}
+
+
+char * app_path (char * path, const char * argv0)
+{
+    char buf[PATH_MAX];
+    char * pos;
+    if (argv0[0] == '/') {    // run with absolute path
+        strcpy(buf, argv0);
+    } else {    // run with relative path
+        if(NULL == getcwd(buf, PATH_MAX)) {
+            perror("getcwd error");
+            return NULL;
+        }
+        strcat(buf, "/");
+        strcat(buf, argv0);
+    }
+    if (NULL == realpath(buf, path)) {
+        perror("realpath error");
+        return NULL;
+    }
+    return path;
+}
+
 
 /*!  ----------------------------------------------------------------------------
  *  @fn main
@@ -76,14 +113,18 @@ static struct ubus_context *setup_ubus (void)
 int main (void)
 {
 	int the_ret = 0;
+	char path[k_path_max] = "";
 	struct ubus_context *the_ctx = NULL;
 
+	/* Get the Path of the binary to load configs. */
+
+
 	/* Setup the Ubus context. */
 	the_ctx = setup_ubus();
 	if (the_ctx == NULL) {
 		return -1;
 	}
-	
+
 	/* Main Event Loop. */
 	uloop_run();
 
@@ -92,7 +133,45 @@ int main (void)
 
 	return the_ret;
 }
+#if 0
+tatic void
+set_absolute_path(char *options[],
+                  const char *option_name,
+                  const char *path_to_civetweb_exe)
+{
+	char path[PATH_MAX] = "", absolute[PATH_MAX] = "";
+	const char *option_value;
+	const char *p;
 
+	/* Check whether option is already set */
+	option_value = get_option(options, option_name);
+
+	/* If option is already set and it is an absolute path,
+	   leave it as it is -- it's already absolute. */
+	if (option_value != NULL && !is_path_absolute(option_value)) {
+		/* Not absolute. Use the directory where civetweb executable lives
+		   be the relative directory for everything.
+		   Extract civetweb executable directory into path. */
+		if ((p = strrchr(path_to_civetweb_exe, DIRSEP)) == NULL) {
+			IGNORE_UNUSED_RESULT(getcwd(path, sizeof(path)));
+		} else {
+			snprintf(path,
+			         sizeof(path) - 1,
+			         "%.*s",
+			         (int)(p - path_to_civetweb_exe),
+			         path_to_civetweb_exe);
+			path[sizeof(path) - 1] = 0;
+		}
+
+		strncat(path, "/", sizeof(path) - strlen(path) - 1);
+		strncat(path, option_value, sizeof(path) - strlen(path) - 1);
+
+		/* Absolutize the path, and set the option */
+		IGNORE_UNUSED_RESULT(abs_path(path, absolute, sizeof(absolute)));
+		set_option(options, option_name, absolute);
+	}
+}
+#endif
 #if 0
 #include "ubus/capabilities.h"
 #include "ubus/capabilities_lights.h"