src/regression/printf-fmt-n.c

   1 // commit: 5cbd76c6b05b381f269e0e204e10690d69f1d6ea 2011-02-16
   2 // commit: bdc9ed15651b70e89f83c5a9f7d1ba349e624503 2011-02-20
   3 // printf %n fmt
   4 #include <stdint.h>
   5 #include <stdio.h>
   6 #include "test.h"
   7
   8 #define T(n,nfmt,fmt) do { \
   9         if ((ret = sprintf(buf, "%256d%d" nfmt "%d", 1, 2, &n, 3)) != 258) \
  10                 t_error("expexted sprintf to write 258 chars, got %d\n", ret); \
  11         if (n != 257) \
  12                 t_error("%%n format failed: wanted 257, got " fmt "\n", n); \
  13 } while(0)
  14
  15 int main(void)
  16 {
  17         char buf[1024];
  18         int ret;
  19         int i;
  20         long l;
  21         long long ll;
  22         short h;
  23         size_t z;
  24         uintmax_t j;
  25
  26         T(i,    "%n",   "%d");
  27         T(l,   "%ln",  "%ld");
  28         T(ll, "%lln", "%lld");
  29         T(h,   "%hn",   "%d");
  30         T(z,   "%zn",  "%zd");
  31         T(j,   "%jn",  "%jd");
  32
  33         return t_status;
  34 }