f21a2f4119
Rather than cast every __u64 or __s64 before printing,
define printing helpers for those types directly.
This complements commit 1f3482beda.
* tests/tests.h (PRI__d64, PRI__u64, PRI__x64): New macros.
131 lines
4.7 KiB
C
131 lines
4.7 KiB
C
/*
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TESTS_H_
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# define TESTS_H_
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# ifdef HAVE_CONFIG_H
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# include "config.h"
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# endif
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# include <sys/types.h>
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# include "gcc_compat.h"
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/* Cached sysconf(_SC_PAGESIZE). */
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size_t get_page_size(void);
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/* Print message and strerror(errno) to stderr, then exit(1). */
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void perror_msg_and_fail(const char *, ...)
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ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
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/* Print message to stderr, then exit(1). */
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void error_msg_and_fail(const char *, ...)
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ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
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/* Print message to stderr, then exit(77). */
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void error_msg_and_skip(const char *, ...)
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ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
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/* Print message and strerror(errno) to stderr, then exit(77). */
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void perror_msg_and_skip(const char *, ...)
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ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
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/*
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* Allocate memory that ends on the page boundary.
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* Pages allocated by this call are preceeded by an unmapped page
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* and followed also by an unmapped page.
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*/
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void *tail_alloc(const size_t)
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ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1));
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/* Allocate memory using tail_alloc, then memcpy. */
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void *tail_memdup(const void *, const size_t)
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ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((2));
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/* Close stdin, move stdout to a non-standard descriptor, and print. */
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void tprintf(const char *, ...)
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ATTRIBUTE_FORMAT((printf, 1, 2));
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/* Make a hexdump copy of C string */
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const char *hexdump_strdup(const char *);
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/* Make a hexdump copy of memory */
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const char *hexdump_memdup(const char *, size_t);
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/* Make a hexquoted copy of a string */
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const char *hexquote_strndup(const char *, size_t);
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/* Return inode number of socket descriptor. */
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unsigned long inode_of_sockfd(int);
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/* Print string in a quoted form. */
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void print_quoted_string(const char *);
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/* Print memory in a quoted form. */
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void print_quoted_memory(const char *, size_t);
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/* Check whether given uid matches kernel overflowuid. */
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void check_overflowuid(const int);
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/* Check whether given gid matches kernel overflowgid. */
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void check_overflowgid(const int);
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/* Translate errno to its name. */
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const char *errno2name(void);
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struct xlat;
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/* Print flags in symbolic form according to xlat table. */
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int printflags(const struct xlat *, const unsigned long long, const char *);
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/* Print constant in symbolic form according to xlat table. */
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int printxval(const struct xlat *, const unsigned long long, const char *);
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# define ARRAY_SIZE(arg) ((unsigned int) (sizeof(arg) / sizeof((arg)[0])))
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# define LENGTH_OF(arg) ((unsigned int) sizeof(arg) - 1)
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# define SKIP_MAIN_UNDEFINED(arg) \
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int main(void) { error_msg_and_skip("undefined: %s", arg); }
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/*
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* The kernel used to define 64-bit types on 64-bit systems on a per-arch
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* basis. Some architectures would use unsigned long and others would use
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* unsigned long long. These types were exported as part of the
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* kernel-userspace ABI and now must be maintained forever. This matches
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* what the kernel exports for each architecture so we don't need to cast
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* every printing of __u64 or __s64 to stdint types.
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*/
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# if SIZEOF_LONG == 4
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# define PRI__64 "ll"
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# elif defined ALPHA || defined IA64 || defined MIPS || defined POWERPC
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# define PRI__64 "l"
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# else
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# define PRI__64 "ll"
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# endif
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# define PRI__d64 PRI__64"d"
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# define PRI__u64 PRI__64"u"
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# define PRI__x64 PRI__64"x"
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#endif
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