/*
 * scanf regression test
 *
 * usage: tscanf < tscanf.in
 *
 * please add to this
 * 
 * ++jrb	bammi@cadence.com
 *  with parts from glibc
 */
#include <stdio.h>
#if __STDC__
#  include <stddef.h>
#  ifndef EXIT_FAILURE
#    include <stdlib.h>		/* HP strikes again! */
#  endif
#else
#  define EXIT_FAILURE	(1)		/* failure return value for exit() */
#  define EXIT_SUCCESS	(0)		/* success return value for exit() */
#endif

int main()
{
    int i, n;
    float x;
    char name[50];
    int exit_val = EXIT_SUCCESS;
    
    /* input: 25 54.32E-1 thompson */
    /* output: n = 3 i = 25 x = 5.432000 name = :thompson: */
    n = scanf("%d%f%s", &i, &x, name);
    printf("Expect:\tn = 3 i = 25 x = 5.432000 name = :thompson:\n");
    printf("Got:\tn = %d i = %d x = %f name = :%s:\n\n", n, i, x, name);
    if(n != 3) exit_val |= EXIT_FAILURE;
    
    /* input:  56789 0123 56a72 */
    /* output: n = 3 i = 56 x = 789.000000 name = :56: */
    /* a72 left over */
    n = scanf("%2d%f%*d %[0-9]", &i, &x, name);
    printf("Expect:\tn = 3 i = 56 x = 789.000000 name = :56:\n");
    printf("Got:\tn = %d i = %d x = %f name = :%s:\n\n", n, i, x, name);
    if(n != 3) exit_val |= EXIT_FAILURE;

    /* output: n = 1 name = :a72: */
    n = scanf("%s", name);
    printf("Expect:\tn = 1 name = :a72:\n");
    printf("Got:\tn = %d name = :%s:\n\n", n, name);
    if(n != 1) exit_val |= EXIT_FAILURE;

    /* input:  56789 0123 56a72 */
    /* output: n = 3 i = 56 x = 789.000000 name = :56: */
    /* 'a72' left over */
    n = scanf("%2d%f%*d %[0123456789]", &i, &x, name);
    printf("Expect:\tn = 3 i = 56 x = 789.000000 name = :56:\n");
    printf("Got:\tn = %d i = %d x = %f name = :%s:\n\n", n, i, x, name);
    if(n != 3) exit_val |= EXIT_FAILURE;

    /* output: n = 1 name = :a72: */
    n = scanf("%s", name);
    printf("Expect:\tn = 1 name = :a72:\n");
    printf("Got:\tn = %d name = :%s:\n\n", n, name);
    if(n != 1) exit_val |= EXIT_FAILURE;

    /* input: 2 quarts of oil
	      10.0LBS      of       fertilizer
	      100ergs of energy
       output:
              count = 3, quant = 2.000000, item = oil, units = quarts
	      count = 3, quant = 10.000000, item = fertilizer, units = LBS
	      count = 3, quant = 100.000000, item = energy, units = rgs
	      count = -1, quant = 0.000000, item = , units = 
    */
    printf("Expect:\n\tcount = 3, quant = 2.000000, item = oil, units = quarts\n"); 
    printf("\tcount = 3, quant = 10.000000, item = fertilizer, units = LBS\n");
    printf("\tcount = 3, quant = 100.000000, item = energy, units = rgs\n");
    printf("\tcount = -1, quant = 0.000000, item = , units = \n");
    printf("Got:\n");
    while (!feof (stdin) && !ferror (stdin))
    {
	float quant = 0.0;
	char units[21], item[21];
	units[0] = item[0] = '\0';
	n = fscanf (stdin, "%f%20s of %20s", &quant, units, item);
	(void) fscanf (stdin, "%*[^\n]");
	printf ("\tcount = %d, quant = %f, item = %.21s, units = %.21s\n",
		 n, quant, item, units);
    }
    if(n != EOF) exit_val |= EXIT_FAILURE;
   
    return exit_val;
}