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- /* Copyright (C) 1991, 1992, 1993 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., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #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
- DEFUN(fmtchk, (fmt), CONST char *fmt)
- {
- (void) fputs(fmt, stdout);
- (void) printf(":\t`");
- (void) printf(fmt, 0x12);
- (void) printf("'\n");
- }
-
- void
- DEFUN(fmtst1chk, (fmt), CONST char *fmt)
- {
- (void) fputs(fmt, stdout);
- (void) printf(":\t`");
- (void) printf(fmt, 4, 0x12);
- (void) printf("'\n");
- }
-
- void
- DEFUN(fmtst2chk, (fmt), 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
- DEFUN_VOID(fp_test)
- {
- 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
- DEFUN_VOID(main)
- {
- 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\"%z\"\n");
- printf("nil pointer (padded):\t\"%10p\"\n", (PTR) 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);
-
- exit(EXIT_SUCCESS);
- }
-