# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1457005465 -7200
# Node ID 3f878ae15050ff60d345b6130f401697b7e6b15f
# Parent  56ec224421a60f7b4cee002ffceeddb01a468333
Prepare to handle variable width and precision given as arguments.

diff -r 56ec224421a6 -r 3f878ae15050 th_string.c
--- a/th_string.c	Thu Mar 03 13:17:40 2016 +0200
+++ b/th_string.c	Thu Mar 03 13:44:25 2016 +0200
@@ -411,17 +411,36 @@
             }
 
             // Get field width
-            while (th_isdigit(*fmt))
-                f_width = f_width * 10 + (*fmt++ - '0');
+            if (*fmt == '*')
+            {
+                f_width = va_arg(ap, int);
+                if (f_width < 0)
+                {
+                    f_flags |= TH_PF_LEFT;
+                    f_width = -f_width;
+                }
+            }
+            else
+            {
+                while (th_isdigit(*fmt))
+                    f_width = f_width * 10 + (*fmt++ - '0');
+            }
 
             // Check for field precision
             if (*fmt == '.')
             {
                 fmt++;
-                // If no digit after '.', precision is to be 0
-                f_prec = 0;
-                while (th_isdigit(*fmt))
-                    f_prec = f_prec * 10 + (*fmt++ - '0');
+                if (*fmt == '*')
+                {
+                    f_prec = va_arg(ap, int);
+                }
+                else
+                {
+                    // If no digit after '.', precision is to be 0
+                    f_prec = 0;
+                    while (th_isdigit(*fmt))
+                        f_prec = f_prec * 10 + (*fmt++ - '0');
+                }
             }
 
             // Check for length modifiers (NOT SUPPORTED CURRENTLY)