stdio-common/scanf15.c

   1 #undef _GNU_SOURCE
   2 #define _XOPEN_SOURCE 600
   3 /* The following macro definitions are a hack.  They word around disabling
   4    the GNU extension while still using a few internal headers.  */
   5 #define u_char unsigned char
   6 #define u_short unsigned short
   7 #define u_int unsigned int
   8 #define u_long unsigned long
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <wchar.h>
  13
  14 #define FAIL() \
  15   do {                                                  \
  16     result = 1;                                         \
  17     printf ("test at line %d failed\n", __LINE__);      \
  18   } while (0)
  19
  20 int
  21 main (void)
  22 {
  23   float f;
  24   double d;
  25   char c[8];
  26   int result = 0;
  27
  28   if (sscanf (" 0.25s x", "%e%3c", &f, c) != 2)
  29     FAIL ();
  30   else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
  31     FAIL ();
  32   if (sscanf (" 1.25s x", "%as%2c", &f, c) != 2)
  33     FAIL ();
  34   else if (f != 1.25 || memcmp (c, " x", 2) != 0)
  35     FAIL ();
  36   if (sscanf (" 2.25s x", "%las%2c", &d, c) != 2)
  37     FAIL ();
  38   else if (d != 2.25 || memcmp (c, " x", 2) != 0)
  39     FAIL ();
  40   if (sscanf (" 3.25S x", "%4aS%2c", &f, c) != 2)
  41     FAIL ();
  42   else if (f != 3.25 || memcmp (c, " x", 2) != 0)
  43     FAIL ();
  44   if (sscanf (" 4.25[0-9.] x", "%a[0-9.]%2c", &f, c) != 2)
  45     FAIL ();
  46   else if (f != 4.25 || memcmp (c, " x", 2) != 0)
  47     FAIL ();
  48   if (sscanf (" 5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2)
  49     FAIL ();
  50   else if (d != 5.25 || memcmp (c, " x", 2) != 0)
  51     FAIL ();
  52
  53   return result;
  54 }