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Diffstat (limited to 'stdio/tst-printf.c')
| -rw-r--r-- | stdio/tst-printf.c | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/stdio/tst-printf.c b/stdio/tst-printf.c new file mode 100644 index 0000000000..c177da18b2 --- /dev/null +++ b/stdio/tst-printf.c @@ -0,0 +1,298 @@ +/* Copyright (C) 1991, 1992, 1993, 1995 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); + + { + double x=1.0; + printf("%.17f\n",(1.0/x/10.0+1.0)*x-x); + } + + puts ("--- Should be no further output. ---"); + rfg1 (); + rfg2 (); + + exit(EXIT_SUCCESS); +} + +rfg1 () +{ + 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"); + return 0; +} + +rfg2 () +{ + 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"); + return 0; +} |