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