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-rw-r--r--stdio-common/tst-printf.c298
1 files changed, 298 insertions, 0 deletions
diff --git a/stdio-common/tst-printf.c b/stdio-common/tst-printf.c
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+++ b/stdio-common/tst-printf.c
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+/* 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;
+}