glibc/stdio-common/tst-printf.c
1998-07-29 09:04:25 +00:00

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/* Copyright (C) 1991, 92, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifdef BSD
#include </usr/include/stdio.h>
#define EXIT_SUCCESS 0
#else
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#endif
#include <float.h>
void rfg1 (void);
void rfg2 (void);
void
fmtchk (const char *fmt)
{
(void) fputs(fmt, stdout);
(void) printf(":\t`");
(void) printf(fmt, 0x12);
(void) printf("'\n");
}
void
fmtst1chk (const char *fmt)
{
(void) fputs(fmt, stdout);
(void) printf(":\t`");
(void) printf(fmt, 4, 0x12);
(void) printf("'\n");
}
void
fmtst2chk (const char *fmt)
{
(void) fputs(fmt, stdout);
(void) printf(":\t`");
(void) printf(fmt, 4, 4, 0x12);
(void) printf("'\n");
}
/* This page is covered by the following copyright: */
/* (C) Copyright C E Chew
*
* Feel free to copy, use and distribute this software provided:
*
* 1. you do not pretend that you wrote it
* 2. you leave this copyright notice intact.
*/
/*
* Extracted from exercise.c for glibc-1.05 bug report by Bruce Evans.
*/
#define DEC -123
#define INT 255
#define UNS (~0)
/* Formatted Output Test
*
* This exercises the output formatting code.
*/
void
fp_test (void)
{
int i, j, k, l;
char buf[7];
char *prefix = buf;
char tp[20];
puts("\nFormatted output test");
printf("prefix 6d 6o 6x 6X 6u\n");
strcpy(prefix, "%");
for (i = 0; i < 2; i++) {
for (j = 0; j < 2; j++) {
for (k = 0; k < 2; k++) {
for (l = 0; l < 2; l++) {
strcpy(prefix, "%");
if (i == 0) strcat(prefix, "-");
if (j == 0) strcat(prefix, "+");
if (k == 0) strcat(prefix, "#");
if (l == 0) strcat(prefix, "0");
printf("%5s |", prefix);
strcpy(tp, prefix);
strcat(tp, "6d |");
printf(tp, DEC);
strcpy(tp, prefix);
strcat(tp, "6o |");
printf(tp, INT);
strcpy(tp, prefix);
strcat(tp, "6x |");
printf(tp, INT);
strcpy(tp, prefix);
strcat(tp, "6X |");
printf(tp, INT);
strcpy(tp, prefix);
strcat(tp, "6u |");
printf(tp, UNS);
printf("\n");
}
}
}
}
printf("%10s\n", (char *) NULL);
printf("%-10s\n", (char *) NULL);
}
int
main (int argc, char *argv[])
{
static char shortstr[] = "Hi, Z.";
static char longstr[] = "Good morning, Doctor Chandra. This is Hal. \
I am ready for my first lesson today.";
fmtchk("%.4x");
fmtchk("%04x");
fmtchk("%4.4x");
fmtchk("%04.4x");
fmtchk("%4.3x");
fmtchk("%04.3x");
fmtst1chk("%.*x");
fmtst1chk("%0*x");
fmtst2chk("%*.*x");
fmtst2chk("%0*.*x");
#ifndef BSD
printf("bad format:\t\"%b\"\n");
printf("nil pointer (padded):\t\"%10p\"\n", (void *) NULL);
#endif
printf("decimal negative:\t\"%d\"\n", -2345);
printf("octal negative:\t\"%o\"\n", -2345);
printf("hex negative:\t\"%x\"\n", -2345);
printf("long decimal number:\t\"%ld\"\n", -123456L);
printf("long octal negative:\t\"%lo\"\n", -2345L);
printf("long unsigned decimal number:\t\"%lu\"\n", -123456L);
printf("zero-padded LDN:\t\"%010ld\"\n", -123456L);
printf("left-adjusted ZLDN:\t\"%-010ld\"\n", -123456);
printf("space-padded LDN:\t\"%10ld\"\n", -123456L);
printf("left-adjusted SLDN:\t\"%-10ld\"\n", -123456L);
printf("zero-padded string:\t\"%010s\"\n", shortstr);
printf("left-adjusted Z string:\t\"%-010s\"\n", shortstr);
printf("space-padded string:\t\"%10s\"\n", shortstr);
printf("left-adjusted S string:\t\"%-10s\"\n", shortstr);
printf("null string:\t\"%s\"\n", (char *)NULL);
printf("limited string:\t\"%.22s\"\n", longstr);
printf("e-style >= 1:\t\"%e\"\n", 12.34);
printf("e-style >= .1:\t\"%e\"\n", 0.1234);
printf("e-style < .1:\t\"%e\"\n", 0.001234);
printf("e-style big:\t\"%.60e\"\n", 1e20);
printf ("e-style == .1:\t\"%e\"\n", 0.1);
printf("f-style >= 1:\t\"%f\"\n", 12.34);
printf("f-style >= .1:\t\"%f\"\n", 0.1234);
printf("f-style < .1:\t\"%f\"\n", 0.001234);
printf("g-style >= 1:\t\"%g\"\n", 12.34);
printf("g-style >= .1:\t\"%g\"\n", 0.1234);
printf("g-style < .1:\t\"%g\"\n", 0.001234);
printf("g-style big:\t\"%.60g\"\n", 1e20);
printf (" %6.5f\n", .099999999860301614);
printf (" %6.5f\n", .1);
printf ("x%5.4fx\n", .5);
printf ("%#03x\n", 1);
{
double d = FLT_MIN;
int niter = 17;
while (niter-- != 0)
printf ("%.17e\n", d / 2);
fflush (stdout);
}
printf ("%15.5e\n", 4.9406564584124654e-324);
#define FORMAT "|%12.4f|%12.4e|%12.4g|\n"
printf (FORMAT, 0.0, 0.0, 0.0);
printf (FORMAT, 1.0, 1.0, 1.0);
printf (FORMAT, -1.0, -1.0, -1.0);
printf (FORMAT, 100.0, 100.0, 100.0);
printf (FORMAT, 1000.0, 1000.0, 1000.0);
printf (FORMAT, 10000.0, 10000.0, 10000.0);
printf (FORMAT, 12345.0, 12345.0, 12345.0);
printf (FORMAT, 100000.0, 100000.0, 100000.0);
printf (FORMAT, 123456.0, 123456.0, 123456.0);
#undef FORMAT
{
char buf[20];
printf ("snprintf (\"%%30s\", \"foo\") == %d, \"%.*s\"\n",
snprintf (buf, sizeof (buf), "%30s", "foo"), sizeof (buf), buf);
}
fp_test ();
printf ("%e should be 1.234568e+06\n", 1234567.8);
printf ("%f should be 1234567.800000\n", 1234567.8);
printf ("%g should be 1.23457e+06\n", 1234567.8);
printf ("%g should be 123.456\n", 123.456);
printf ("%g should be 1e+06\n", 1000000.0);
printf ("%g should be 10\n", 10.0);
printf ("%g should be 0.02\n", 0.02);
{
double x=1.0;
printf("%.17f\n",(1.0/x/10.0+1.0)*x-x);
}
puts ("--- Should be no further output. ---");
rfg1 ();
rfg2 ();
{
char buf[200];
int result;
sprintf(buf,"%*s%*s%*s",-1,"one",-20,"two",-30,"three");
result = strcmp (buf,
"onetwo three ");
puts (result != 0 ? "Test failed!" : "Test ok.");
return result != 0;
}
}
void
rfg1 (void)
{
char buf[100];
sprintf (buf, "%5.s", "xyz");
if (strcmp (buf, " ") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " ");
sprintf (buf, "%5.f", 33.3);
if (strcmp (buf, " 33") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 33");
sprintf (buf, "%8.e", 33.3e7);
if (strcmp (buf, " 3e+08") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 3e+08");
sprintf (buf, "%8.E", 33.3e7);
if (strcmp (buf, " 3E+08") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 3E+08");
sprintf (buf, "%.g", 33.3);
if (strcmp (buf, "3e+01") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3e+01");
sprintf (buf, "%.G", 33.3);
if (strcmp (buf, "3E+01") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3E+01");
}
void
rfg2 (void)
{
int prec;
char buf[100];
prec = 0;
sprintf (buf, "%.*g", prec, 3.3);
if (strcmp (buf, "3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3");
prec = 0;
sprintf (buf, "%.*G", prec, 3.3);
if (strcmp (buf, "3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3");
prec = 0;
sprintf (buf, "%7.*G", prec, 3.33);
if (strcmp (buf, " 3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 3");
prec = 3;
sprintf (buf, "%04.*o", prec, 33);
if (strcmp (buf, " 041") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 041");
prec = 7;
sprintf (buf, "%09.*u", prec, 33);
if (strcmp (buf, " 0000033") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 0000033");
prec = 3;
sprintf (buf, "%04.*x", prec, 33);
if (strcmp (buf, " 021") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 021");
prec = 3;
sprintf (buf, "%04.*X", prec, 33);
if (strcmp (buf, " 021") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 021");
}