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      1 /* $NetBSD: h_macros.h,v 1.13 2016/08/20 15:49:08 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 RLF(x, fmt, arg) \
     49 	ATF_CHECK_MSG((x) != -1, "%s [" fmt "]: %s", #x, arg, strerror(errno))
     50 #define RZ(x)								\
     51 do {									\
     52 	int RZ_rv = x;							\
     53 	ATF_REQUIRE_MSG(RZ_rv == 0, "%s: %s", #x, strerror(RZ_rv));	\
     54 } while (/*CONSTCOND*/0)
     55 
     56 __dead static __inline __printflike(1, 2) void
     57 atf_tc_fail_errno(const char *fmt, ...)
     58 {
     59 	va_list ap;
     60 	char buf[1024];
     61 	int sverrno = errno;
     62 
     63 	va_start(ap, fmt);
     64 	vsnprintf(buf, sizeof(buf), fmt, ap);
     65 	va_end(ap);
     66 
     67 	strlcat(buf, ": ", sizeof(buf));
     68 	strlcat(buf, strerror(sverrno), sizeof(buf));
     69 
     70 	atf_tc_fail("%s", buf);
     71 }
     72 
     73 static __inline void
     74 tests_makegarbage(void *space, size_t len)
     75 {
     76 	uint16_t *sb = space;
     77 	uint16_t randval;
     78 
     79 	while (len >= sizeof(randval)) {
     80 		*sb++ = (uint16_t)random();
     81 		len -= sizeof(*sb);
     82 	}
     83 	randval = (uint16_t)random();
     84 	memcpy(sb, &randval, len);
     85 }
     86 
     87 #endif
     88