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/* Test of scanf(): end of number (integral).
$Id: sscanf-eon.c,v 1.1.2.3 2008/03/20 21:42:34 joerg_wunsch Exp $ */
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "progmem.h"
#ifdef __AVR__
# define ASSERT(expr) \
do { \
if (!(expr)) exit(__LINE__); \
} while (0)
# define EXIT(v) exit (v)
# if defined(__AVR_ATmega128__)
/* ATmega128 has enough RAM for sprintf(), print to 0x2000 in XRAM. */
# define PRINTF(f...) sprintf((char *)0x2000, f)
# else
/* small AVR */
# define PRINTF(f...)
# endif
#else
# include <assert.h>
# define ASSERT(expr) assert (expr)
# define EXIT(v) exit ((v) < 256 ? (v) : 255)
# define PRINTF(f...) printf (f)
# define sscanf_P sscanf
# define memcmp_P memcmp
#endif
/* Next variables are useful to debug the AVR. */
int vrslt = 1;
struct {
int i[3];
unsigned char s[3];
} v = { {1}, {1} };
int main ()
{
char s[16];
unsigned char c;
int n;
/* Decimal. */
for (c = 255; c; c--) {
if (isdigit (c))
continue;
strcpy_P (s, PSTR("0.1.29."));
s[1] = s[3] = s[6] = c;
memset (&v, ~0, sizeof(v));
n = sscanf (s, "%d%c%d%c%d%c",
v.i, v.s, v.i + 1, v.s + 1, v.i + 2, v.s + 2);
ASSERT (n == 6);
ASSERT (v.s[0] == c && v.s[1] == c && v.s[2] == c);
ASSERT (v.i[0] == 0 && v.i[1] == 1 && v.i[2] == 29);
}
/* Octal. */
for (c = 255; c; c--) {
if (isdigit (c) && (c != '8') && (c != '9'))
continue;
strcpy_P (s, PSTR("0.1.27."));
s[1] = s[3] = s[6] = c;
memset (&v, ~0, sizeof(v));
n = sscanf (s, "%o%c%o%c%o%c",
v.i, v.s, v.i + 1, v.s + 1, v.i + 2, v.s + 2);
ASSERT (n == 6);
ASSERT (v.s[0] == c && v.s[1] == c && v.s[2] == c);
ASSERT (v.i[0] == 0 && v.i[1] == 1 && v.i[2] == 027);
}
/* Hexidecimal. */
for (c = 255; c; c--) {
if (isxdigit (c))
continue;
strcpy_P (s, PSTR("F.1.20."));
s[1] = s[3] = s[6] = c;
memset (&v, ~0, sizeof(v));
n = sscanf (s, "%x%c%x%c%x%c",
v.i, v.s, v.i + 1, v.s + 1, v.i + 2, v.s + 2);
ASSERT (n == 6);
ASSERT (v.s[0] == c && v.s[1] == c && v.s[2] == c);
ASSERT (v.i[0] == 0xF && v.i[1] == 1 && v.i[2] == 0x20);
}
return 0;
}
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