Changed render function

Render function now returns the length of the string it returns

1 files changed, 16 insertions, 10 deletions

diff --git a/README.md b/README.md
index 93029a0..c0deebb 100644
--- a/README.md
+++ b/README.md
@@ -92,9 +92,9 @@ Adds a loop to a varlist
 
 Adds a varlist that should be used one iteration through the loop
 
-	char* TMPL_render(struct TMPL_templates* t, struct TMPL_varlist* vl)  
+	char* TMPL_render(struct TMPL_templates* t, struct TMPL_varlist* vl, size_t* length)  
 
-Turns a template and varlist into a string. the returned char\* should NOT be freed. The returned char\* is only valid until TMPL\_render() is called again. If you need it even after TMPL\_render() is called, copy it.
+Turns a template and varlist into a string. the returned char\* should NOT be freed. The returned char\* is only valid until TMPL\_render() is called again. If you need it even after TMPL\_render() is called, copy it. The length of the returned string is put into `length` to help in copying.
 
 <section id="Examples"></section>
 ## Examples
@@ -119,8 +119,10 @@ For example:
 			exit(-1);
 		}
 		struct TMPL_varlist* vl = TMPL_alloc_varlist();
-		char* output = TMPL_render(t,vl);
+		size_t dummy;
+		char* output = TMPL_render(t,vl,&dummy);
 		printf("Output: %s\n",output);
+		printf("Length: %d\n",(int)dummy);
 		TMPL_free_varlist(vl);
 		TMPL_free_template(t);
 		return 0;
@@ -170,7 +172,8 @@ For example:
 		*/
 		t = TMPL_alloc_template(template);
 		vl = TMPL_alloc_varlist();
-		char* without_variable = TMPL_render(t,vl);
+		size_t dummy;
+		char* without_variable = TMPL_render(t,vl,&dummy);
 		printf("Without variable: %s\n",without_variable);
 		TMPL_free_template(t);
 		TMPL_free_varlist(vl);
@@ -183,7 +186,8 @@ For example:
 		t = TMPL_alloc_template(template);
 		vl = TMPL_alloc_varlist();
 		TMPL_add_var_to_varlist(vl,"varname","Hello, world!");
-		char* with_variable = TMPL_render(t,vl);
+		size_t dummy;
+		char* with_variable = TMPL_render(t,vl,&dummy);
 		printf("With variable:%s\n",with_variable);
 		TMPL_free_template(t);
 		TMPL_free_varlist(vl);
@@ -248,7 +252,8 @@ If and elseif statements check if strings are the same. They do a strcmp(), so b
 		the condition is considered false.
 		*/
 		vl = TMPL_alloc_varlist();
-		char* without_variable = TMPL_render(t,vl);
+		size_t dummy;
+		char* without_variable = TMPL_render(t,vl,&dummy);
 		printf("Without variable:\n%s\n",without_variable);
 
 		/*
@@ -258,8 +263,9 @@ If and elseif statements check if strings are the same. They do a strcmp(), so b
 		buffer if you still need it.
 		*/
 		TMPL_add_var_to_varlist(vl,"var2","pass");
-		char* with_one = TMPL_render(t,vl);
-		printf("With 1 variable:\n%s\n",TMPL_render(t,vl));
+		size_t dummy;
+		char* with_one = TMPL_render(t,vl,&dummy);
+		printf("With 1 variable:\n%s\n",with_one);
 
 		/*
 		Always be sure to free things!
@@ -354,8 +360,8 @@ only variables that have been added to the namespace are acessable in the loop.
 		pass to TMPL_render() with the correct name.
 		*/
 		TMPL_add_loop_to_varlist(vl,"myloop",loop);
-
-		char* output = TMPL_render(t,vl);
+		size_t size;
+		char* output = TMPL_render(t,vl,&size);
 		printf("Output:\n%s\n",output);
 
 		/*