new: seperate ctx init and new functions

src/ctx/ctx.c

@@ -8,6 +8,7 @@
 #include <locale.h>
 #include <string.h>
 #include <stdio.h>
+#include <strings.h>
 
 bool __lm_ctx_init_checkdir(char *path){
   if(!mkdir_ifnot(path)){
@@ -28,17 +29,33 @@ bool __lm_ctx_init_checkdir(char *path){
   return true;
 }
 
-bool lm_ctx_init(lm_ctx_t *ctx, char *root_dir, char *temp_dir, char *data_dir) {
+bool lm_ctx_init(lm_ctx_t *ctx) {
+  if(NULL == ctx){
+    lm_error_set(LM_ERR_ArgNULL);
+    return false;
+  }
+
   setlocale(LC_ALL, "");
   textdomain("libmp");
 
-  char *suberr = NULL;
-  bool ret = false;
-
   bzero(ctx, sizeof(lm_ctx_t));
   ctx->version = LM_VERSION;
   lm_error_clear();
 
+  return true;
+}
+
+bool lm_ctx_new(lm_ctx_t *ctx, char *root_dir, char *temp_dir, char *data_dir) {
+  if(NULL == ctx){
+    lm_error_set(LM_ERR_ArgNULL);
+    return false;
+  }
+
+  char *suberr = NULL;
+  bool ret = false;
+
+  lm_ctx_init(ctx);
+
   if(root_dir != NULL && !__lm_ctx_init_checkdir(root_dir)){
     suberr = lm_strerror_dup();
     pdebug(__func__, "check failed for specified root directory: %s", lm_strerror());
@@ -83,7 +100,7 @@ void lm_ctx_free(lm_ctx_t *ctx) {
 
   if(NULL != ctx->db)
     lm_database_free(ctx->db);
-  
+
   lm_error_clear();
   return;
 }