browser.c: Got rid of the 'line' format string

This solution is far cleaner. Thanks to Ben North for pointing me to the
*-width-specifier that has apparently been built into the printf-family
functions for, well, quite a while, it seems.

src/browser.c

@@ -90,7 +90,7 @@ void browse_draw_info(struct dir *dr) {
 }
 
 
-void browse_draw_item(struct dir *n, int row, char *line) {
+void browse_draw_item(struct dir *n, int row) {
   char ct, dt, *size, gr[11];
   int i, o;
   float pc;
@@ -142,10 +142,10 @@ void browse_draw_item(struct dir *n, int row, char *line) {
 
   /* format and add item to the list */
   switch(graph) {
-    case 0: mvprintw(row, 0, line, ct, size, dt, cropstr(n->name, wincols-13)); break;
+    case 0: mvprintw(row, 0, "%c %8s  %c%-*s",               ct, size,         dt, wincols-13, cropstr(n->name, wincols-13)); break;
-    case 1: mvprintw(row, 0, line, ct, size, gr, dt, cropstr(n->name, wincols-25)); break;
+    case 1: mvprintw(row, 0, "%c %8s [%10s] %c%-*s",         ct, size,     gr, dt, wincols-25, cropstr(n->name, wincols-25)); break;
-    case 2: mvprintw(row, 0, line, ct, size, pc, dt, cropstr(n->name, wincols-21)); break;
+    case 2: mvprintw(row, 0, "%c %8s [%5.1f%%] %c%-*s",      ct, size, pc,     dt, wincols-21, cropstr(n->name, wincols-21)); break;
-    case 3: mvprintw(row, 0, line, ct, size, pc, gr, dt, cropstr(n->name, wincols-32));
+    case 3: mvprintw(row, 0, "%c %8s [%5.1f%% %10s] %c%-*s", ct, size, pc, gr, dt, wincols-32, cropstr(n->name, wincols-32));
   }
 
   if(n->flags & FF_BSEL)
@@ -155,7 +155,7 @@ void browse_draw_item(struct dir *n, int row, char *line) {
 
 void browse_draw() {
   struct dir *t;
-  char fmtsize[9], *tmp, line[35];
+  char fmtsize[9], *tmp;
   int selected, i;
 
   erase();
@@ -194,17 +194,9 @@ void browse_draw() {
   /* get start position */
   t = dirlist_top(0);
 
-  /* create line format */
-  switch(graph) {
-    case 0: sprintf(line, "%%c %%8s  %%c%%-%ds", wincols-13); break;
-    case 1: sprintf(line, "%%c %%8s [%%10s] %%c%%-%ds", wincols-25); break;
-    case 2: sprintf(line, "%%c %%8s [%%5.1f%%%%] %%c%%-%ds", wincols-21); break;
-    case 3: sprintf(line, "%%c %%8s [%%5.1f%%%% %%10s] %%c%%-%ds", wincols-32);
-  }
-
   /* print the list to the screen */
   for(i=0; t && i<winrows-3; t=dirlist_next(t),i++) {
-    browse_draw_item(t, 2+i, line);
+    browse_draw_item(t, 2+i);
     /* save the selected row number for later */
     if(t->flags & FF_BSEL)
       selected = i;