Use a single routine for common code

src/nnn.c

@@ -3421,6 +3421,24 @@ static char *unescape(const char *str, uint_t maxcols)
 }
 #endif
 
+static off_t get_size(off_t size, off_t *pval, uint_t comp)
+{
+	off_t rem = *pval;
+	off_t quo = rem / 10;
+
+	if ((rem - (quo * 10)) >= 5) {
+		rem = quo + 1;
+		if (rem == comp) {
+			++size;
+			rem = 0;
+		}
+	} else
+		rem = quo;
+
+	*pval = rem;
+	return size;
+}
+
 static char *coolsize(off_t size)
 {
 	const char * const U = "BKMGTPEZY";
@@ -3437,38 +3455,14 @@ static char *coolsize(off_t size)
 
 	if (i == 1) {
 		rem = (rem * 1000) >> 10;
-
 		rem /= 10;
-		if (rem % 10 >= 5) {
+		size = get_size(size, &rem, 10);
-			rem = (rem / 10) + 1;
-			if (rem == 10) {
-				++size;
-				rem = 0;
-			}
-		} else
-			rem /= 10;
 	} else if (i == 2) {
 		rem = (rem * 1000) >> 10;
-
+		size = get_size(size, &rem, 100);
-		if (rem % 10 >= 5) {
+	} else if (i > 2) {
-			rem = (rem / 10) + 1;
-			if (rem == 100) {
-				++size;
-				rem = 0;
-			}
-		} else
-			rem /= 10;
-	} else if (i > 0) {
 		rem = (rem * 10000) >> 10;
-
+		size = get_size(size, &rem, 1000);
-		if (rem % 10 >= 5) {
-			rem = (rem / 10) + 1;
-			if (rem == 1000) {
-				++size;
-				rem = 0;
-			}
-		} else
-			rem /= 10;
 	}
 
 	if (i > 0 && i < 6 && rem) {
@@ -3718,7 +3712,6 @@ static void printent(const struct entry *ent, uint_t namecols, bool sel)
 		attrs |= A_REVERSE;
 	if (attrs)
 		attron(attrs);
-
 	if (!ind)
 		++namecols;
 
@@ -5690,7 +5683,7 @@ static void draw_line(char *path, int ncols)
 	}
 
 	move(2 + last - curscroll, 0);
-	printptr(&pdents[last], ncols, false);
+	printptr(&pdents[last], ncols, FALSE);
 
 	if (g_state.oldcolor && (pdents[cur].flags & DIR_OR_LINK_TO_DIR)) {
 		if (!dir)  {/* First file is not a directory */
@@ -5703,7 +5696,7 @@ static void draw_line(char *path, int ncols)
 	}
 
 	move(2 + cur - curscroll, 0);
-	printptr(&pdents[cur], ncols, true);
+	printptr(&pdents[cur], ncols, TRUE);
 
 	/* Must reset e.g. no files in dir */
 	if (dir)