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/* Test of sprintf(), float version, very long strings.
$Id: sprintf_flt-big.c,v 1.2 2007/03/10 04:44:34 dmix Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "progmem.h"
PROGMEM static const struct sprf_s {
char fmt[8];
float val;
char pattern[260];
} t[] = {
{ "%255e", 1.234567,
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" 1.234567e+00" },
{ "%255.7e", 1.2345678,
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" 1.2345678e+00" },
{ "%+255e", 1.234567,
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" +1.234567e+00" },
{ "%0255e", 1.234567,
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000001.234567e+00" },
{ "%+0255e", 1.234567,
"+0000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000001.234567e+00" },
{ "%+0255e", -1.234567,
"-0000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000001.234567e+00" },
{ "%-255e", 1.234567,
"1.234567e+00 "
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " },
{ "%255.0f", 1.25,
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" 1" },
{ "%.255f", 1.25,
"1.250000000000000000000000000000"
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"000000000000000000000000000000000" },
{ "%0255f", 1.25,
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"00000000000000000000000000000000" /* 32 */
"000000000000000000000001.250000" },
{ "%-255f", 1.25,
"1.250000 "
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " /* 32 */
" " },
/* the smallest nonzero */
{ "%.45f", 0x1p-149f,
"0.000000000000000000000000000000000000000000001" },
{ "%.50f", 0x1p-149f,
"0.00000000000000000000000000000000000000000000140130" },
};
void run_sprf (const struct sprf_s *pt, int testno)
{
static char s[300];
int n;
int code;
#ifdef __AVR__
n = sprintf_P (s, pt->fmt, pgm_read_dword (& pt->val));
#else
n = sprintf (s, pt->fmt, pt->val);
#endif
if (n != (int)strlen_P (pt->pattern))
code = testno + 1000;
else if (strcmp_P (s, pt->pattern))
code = testno;
else
return;
#if !defined(__AVR__)
printf ("\ntestno %3d: expect: %3d, \"%s\","
"\n output: %3d, \"%s\"\n",
testno, strlen(pt->pattern), pt->pattern, n, s);
exit (code < 256 ? testno : 255);
#elif defined(DEBUG)
exit ((int)s);
#endif
exit (code);
}
int main ()
{
int i;
for (i = 0; (unsigned)i != sizeof(t)/sizeof(t[0]); i++)
run_sprf (t+i, i+1);
return 0;
}
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