src/output.c

   1 #include <stdio.h>
   2 #include "output.h"
   3
   4 size_t cdecl__advance_(char **buf, size_t *n, size_t amount)
   5 {
   6         if (amount >= *n) {
   7                 *n   = 0;
   8                 *buf = 0;
   9         } else {
  10                 *buf += amount;
  11                 *n   -= amount;
  12         }
  13
  14         return amount;
  15 }
  16
  17 size_t cdecl__advance(char **buf, size_t *n, size_t amount)
  18 {
  19         size_t ret, rc;
  20
  21         if (!amount)
  22                 return 0;
  23
  24         ret = cdecl__advance_(buf, n, amount);
  25         rc = snprintf(*buf, *n, " ");
  26         return ret + cdecl__advance_(buf, n, rc);
  27 }