regress/lib/libc/gen/tfmtcheck/tfmtcheck.c

   1 /*      $NetBSD: tfmtcheck.c,v 1.2 2005/02/06 06:05:19 perry Exp $      */
   2
   3 /*-
   4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code was contributed to The NetBSD Foundation by Allen Briggs.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33
  34 const char *fmtcheck(const char *f1, const char *f2)
  35                 __attribute__((__format_arg__(2)));
  36
  37 #include <err.h>
  38
  39 struct test_fmt {
  40         char    *fmt1;
  41         char    *fmt2;
  42         int     correct;
  43 } test_fmts[] = {
  44         { "%d", "%d", 1 },
  45         { "%2d", "%2.2d", 1 },
  46         { "%x", "%d", 1 },
  47         { "%u", "%d", 1 },
  48         { "%03d", "%d", 1 },
  49         { "%-2d", "%d", 1 },
  50         { "%d", "%-12.1d", 1 },
  51         { "%d", "%-01.3d", 1 },
  52         { "%X", "%-01.3d", 1 },
  53         { "%D", "%ld", 1 },
  54         { "%s", "%s", 1 },
  55         { "%s", "This is a %s test", 1 },
  56         { "Hi, there.  This is a %s test", "%s", 1 },
  57         { "%d", "%s", 2 },
  58         { "%e", "%s", 2 },
  59         { "%r", "%d", 2 },
  60         { "%*.2d", "%*d", 1 },
  61         { "%2.*d", "%*d", 2 },
  62         { "%*d", "%*d", 1 },
  63         { "%-3", "%d", 2 },
  64         { "%d %s", "%d", 2 },
  65         { "%*.*.*d", "%*.*.*d", 2 },
  66         { "%d", "%d %s", 1 },
  67         { "%40s", "%20s", 1 },
  68         { "%x %x %x", "%o %u %d", 1 },
  69         { "%o %u %d", "%x %x %X", 1 },
  70         { "%#o %u %#-d", "%x %#x %X", 1 },
  71         { "%qd", "%llx", 1 },
  72         { "%%", "%llx", 1 },
  73         { "%p %30s %#llx %-10.*e", "This number %lu%% and string %s has %qd numbers and %.*g floats", 1 },
  74 };
  75
  76 int
  77 main(int argc, char *argv[])
  78 {
  79         int             i, n, r;
  80         const char      *f, *cf, *f1, *f2;
  81
  82         r = 0;
  83         n = sizeof(test_fmts) / sizeof(test_fmts[0]);
  84         for (i=0 ; i<n ; i++) {
  85                 f1 = test_fmts[i].fmt1;
  86                 f2 = test_fmts[i].fmt2;
  87                 f = fmtcheck(f1, f2);
  88                 if (test_fmts[i].correct == 1) {
  89                         cf = f1;
  90                 } else {
  91                         cf = f2;
  92                 }
  93                 if (f != cf) {
  94                         r++;
  95                         errx(1, "Test %d: (%s) vs. (%s) failed "
  96                             "(should have returned %s)", i, f1, f2,
  97                             (test_fmts[i].correct == 1) ? "1st" : "2nd");
  98                 }
  99         }
 100         exit(0);
 101 }