tests/h_macros.h

   1 /* $NetBSD: h_macros.h,v 1.9 2013/05/17 15:42:09 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef SRC_TESTS_H_MACROS_H_
  30 #define SRC_TESTS_H_MACROS_H_
  31
  32 #include <sys/types.h>
  33 #include <errno.h>
  34 #include <stdarg.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38
  39 #include <atf-c.h>
  40
  41 #define REQUIRE_LIBC(x, v) \
  42         ATF_REQUIRE_MSG((x) != (v), "%s: %s", #x, strerror(errno))
  43
  44 #define CHECK_LIBC(x, v) \
  45         ATF_CHECK_MSG((x) != (v), "%s: %s", #x, strerror(errno))
  46
  47 #define RL(x) REQUIRE_LIBC(x, -1)
  48 #define RZ(x)                                                           \
  49 do {                                                                    \
  50         int RZ_rv = x;                                                  \
  51         ATF_REQUIRE_MSG(RZ_rv == 0, "%s: %s", #x, strerror(RZ_rv));     \
  52 } while (/*CONSTCOND*/0)
  53
  54 static __inline __printflike(1, 2) void
  55 atf_tc_fail_errno(const char *fmt, ...)
  56 {
  57         va_list ap;
  58         char buf[1024];
  59         int sverrno = errno;
  60
  61         va_start(ap, fmt);
  62         vsnprintf(buf, sizeof(buf), fmt, ap);
  63         va_end(ap);
  64
  65         strlcat(buf, ": ", sizeof(buf));
  66         strlcat(buf, strerror(sverrno), sizeof(buf));
  67
  68         atf_tc_fail("%s", buf);
  69 }
  70
  71 static __inline void
  72 tests_makegarbage(void *space, size_t len)
  73 {
  74         uint16_t *sb = space;
  75         uint16_t randval;
  76
  77         while (len >= sizeof(randval)) {
  78                 *sb++ = (random() & 0xffff);
  79                 len -= sizeof(*sb);
  80         }
  81         randval = (uint16_t)random();
  82         memcpy(sb, &randval, len);
  83 }
  84
  85 #endif