Created a function to call bars in shell (not only execbar)

TODO use this function in other places

src/conky.c

@@ -3940,7 +3940,6 @@ static void generate_text_internal(char *p, int p_max_size,
 #endif
 			OBJ(execbar) {
 				double barnum;
-				int i = 0, j = 0;
 
 				read_exec(obj->data.s, p, text_buffer_size);
 				barnum = get_barnum(p);
@@ -3953,22 +3952,7 @@ static void generate_text_internal(char *p, int p_max_size,
 					}else{
 #endif
 						if(!obj->a) obj->a = DEFAULT_BAR_WIDTH_NO_X;
-						barnum = round_to_int( ( barnum * obj->a ) / 100);
+						new_bar_in_shell(p, p_max_size, barnum, obj->a);
-						#ifdef HAVE_OPENMP
-						#pragma omp parallel for
-						#endif /* HAVE_OPENMP */
-						for(i=0; i<(int)barnum; i++) {
-							*(p+i)='#';
-						}
-						/* gcc seems to think i is not initialized properly :/ */
-						j = i;
-						#ifdef HAVE_OPENMP
-						#pragma omp parallel for
-						#endif /* HAVE_OPENMP */
-						for(i = j/* cheats */; i < obj->a; i++) {
-							*(p+i)='_';
-						}
-						*(p+i)=0;
 #ifdef X11
 					}
 #endif

src/specials.c

@@ -380,6 +380,29 @@ void new_bg(char *buf, long c)
 }
 #endif
 
+void new_bar_in_shell(char* buffer, int buf_max_size, double usage, int width)
+{
+	if(width<=buf_max_size){
+		int i = 0, j = 0, scaledusage = round_to_int( usage * width / 100);
+
+		#ifdef HAVE_OPENMP
+		#pragma omp parallel for
+		#endif /* HAVE_OPENMP */
+		for(i=0; i<(int)scaledusage; i++) {
+			*(buffer+i)='#';
+		}
+		/* gcc seems to think i is not initialized properly :/ */
+		j = i;
+		#ifdef HAVE_OPENMP
+		#pragma omp parallel for
+		#endif /* HAVE_OPENMP */
+		for(i = j/* cheats */; i < width; i++) {
+			*(buffer+i)='_';
+		}
+		*(buffer+i)=0;
+	}
+}
+
 void new_outline(char *buf, long c)
 {
 	new_special(buf, OUTLINE)->arg = c;

src/specials.h

@@ -105,6 +105,7 @@ void new_graph(char *, int, int, unsigned int,
 void new_hr(char *, int);
 void new_stippled_hr(char *, int, int);
 #endif
+void new_bar_in_shell(char *, int, double, int);
 void new_fg(char *, long);
 void new_bg(char *, long);
 void new_outline(char *, long);