File: sprintf_min-4.c

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avr-libc 1%3A1.6.2.cvs20080610-2
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/* Test of sprintf_min(), specification: x.
   $Id: sprintf_min-4.c,v 1.1.2.1 2008/03/20 21:42:31 joerg_wunsch Exp $	*/

#ifndef __AVR__
# define PRINTFLN(line, fmt, ...)	\
    printf("\nLine %2d: " fmt "\n", line, ##__VA_ARGS__)
# define EXIT(code)	exit ((code) < 255 ? (code) : 255)
# define sprintf_P	sprintf
#else
# if defined(__AVR_ATmega128__)
  /* ATmega128 has enough RAM for sprintf(), print to 0x2000 in XRAM. */
#  define PRINTFLN(line, fmt, ...)	\
    sprintf ((char *)0x2000, "\nLine %d: " fmt "\n", line, ##__VA_ARGS__)
# else
   /* small AVR */
#  define PRINTFLN(args...)
# endif
# define EXIT	exit
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "progmem.h"

void Check (int line,
            const char *expstr,
	    int retval, const char *retstr)
{
    int code;

    if (retval != (int)strlen (retstr))
	code = 1000 + line;
    else if (strcmp_P (retstr, expstr))
	code = line;
    else
	return;
    PRINTFLN (line, "expect: %3d, \"%s\",\n%8s output: %3d, \"%s\"\n",
	      strlen(expstr), expstr, " ", retval, retstr);
#ifdef	DEBUG
    code = (int)retstr;
#endif
    EXIT (code);
}

/* 'vp' is used to avoid gcc warnings about format string.	*/
#define CHECK(expstr, fmt, ...)	do {				\
    char s[260];						\
    int i;							\
    int (* volatile vp)(char *, const char *, ...) = sprintf_P;	\
    memset (s, 0, sizeof(s));					\
    i = vp (s, PSTR(fmt), ##__VA_ARGS__);			\
    Check (__LINE__, PSTR(expstr), i, s);			\
} while (0)

int main ()
{
    /* '%x' specification	*/
    CHECK ("0", "%x", 0);
    CHECK ("1234 5678 9abc def0",
	   "%x %x %x %x", 0x1234, 0x5678, 0x9abc, 0xdef0);
    CHECK ("1 7fff 8000 8001 ffff",
           "%x %x %x %x %x", 1, 0x7fff, 0x8000, 0x8001, 0xffff);

    CHECK ("0 1 ffff", "%0x %0x %0x", 0, 1, 0xffff);
    CHECK ("0 1 ffff", "% x % x % x", 0, 1, 0xffff);
    CHECK ("0 1 ffff", "%+x %+x %+x", 0, 1, 0xffff);
    CHECK ("0 1 ffff", "%-x %-x %-x", 0, 1, 0xffff);
    CHECK ("0 0x1 0xffff", "%#x %#x %#x", 0, 1, 0xffff);

#ifdef	__AVR__
    CHECK ("0", "%.0x", 0);
#endif
    CHECK ("1 ffff", "%.0x %.0x", 1, 0xffff);
    CHECK ("0 1 ffff", "%.1x %.1x %.1x", 0, 1, 0xffff);
#ifdef	__AVR__		/* PRINTF_MIN */
    CHECK ("0 1 ff ffff", "%.2x %.2x %.2x %.2x", 0, 1, 255, 0xffff);
    CHECK ("0 1 12 123 1234",
	   "%.3x %.3x %.3x %.3x %.3x", 0, 1, 0x12, 0x123, 0x1234);

    CHECK ("0.1.ffff", "%1x.%1x.%1x", 0, 1, 0xffff);
    CHECK ("1.12.123", "%2x.%2x.%2x", 1, 0x12, 0x123);
    CHECK ("1.12.123.1234",
	   "%3x.%3x.%3x.%3x", 1, 0x12, 0x123, 0x1234);
    CHECK ("0.0x1.0x12.0x123.0x1234",
	   "%#4x.%#4x.%#4x.%#4x.%#4x", 0, 1, 0x12, 0x123, 0x1234);
    CHECK ("14.ffff", "% 4x.% 4x", 0x14, 0xffff);
    CHECK ("16.ffff", "%+4x.%+4x", 0x16, 0xffff);
    CHECK ("17.ffff", "%-4x.%-4x", 0x17, 0xffff);

    CHECK ("0.1.12.123.1234",
	   "%04x.%04x.%04x.%04x.%04x",
	   0, 1, 0x12, 0x123, 0x1234);

    CHECK ("1", "%08.4x", 1);		/* 0 - ignored	*/
    CHECK ("1", "%08.0x", 1);
    CHECK ("1", "%08.x", 1);

    CHECK ("0.1.12.123.1234",
	   "%8.3x.%8.3x.%8.3x.%8.3x.%8.3x", 0, 1, 0x12, 0x123, 0x1234);
    CHECK ("12.13.14",
	   "%08.4x.% 8.4x.%+8.4x", 0x12, 0x13, 0x14);
    CHECK ("0.1.12.123.1234",
	   "%-8.3x.%-8.3x.%-8.3x.%-8.3x.%-8.3x", 0, 1, 0x12, 0x123, 0x1234);

    CHECK ("0.0x1.0x12.0x123.0x1234",
           "%#8.4x.%#8.4x.%#8.4x.%#8.4x.%#8.4x",
	   0, 1, 0x12, 0x123, 0x1234);

    CHECK ("1", "%255x", 1);
    CHECK ("1", "%-255x", 1);
    CHECK ("2", "%.255x", 2);
#endif

    /* long arg	*/
    CHECK ("0 1 12345678 9abcdef0 7fffffff 80000000 80000001 ffffffff",
	   "%lx %lx %lx %lx %lx %lx %lx %lx",
	   0L, 1L, 0x12345678L, 0x9abcdef0L,
	   0x7fffffffL, 0x80000000L, 0x80000001L, 0xffffffffL);

    /* short arg	*/
    CHECK ("0 2 fffe", "%hx %hx %hx", 0, 2, 0xfffe);

    return 0;
}