+/*-----------------------------------------------------------------------
+ * This is used in a few places in write_buf() to show programming
+ * progress. Making it a function is nasty because it needs to do side
+ * effect updates to digit and dots. Repeated code is nasty too, so
+ * we define it once here.
+ */
+#define FLASH_SHOW_PROGRESS(scale, dots, digit) \
+ if ((scale > 0) && (dots <= 0)) { \
+ if ((digit % 5) == 0) \
+ printf ("%d", digit / 5); \
+ else \
+ putc ('.'); \
+ digit--; \
+ dots += scale; \
+ }
+