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Annotation of acopm/lib/acopm-common.h, Revision 1.1

1.1     ! bountyht    1: /*
        !             2:  * Copyright (C) 2017 Aaron M. D. Jones <aaronmdjones@gmail.com>
        !             3:  *
        !             4:  * Redistribution and use in source and binary forms, with or without
        !             5:  * modification, are permitted provided that the following
        !             6:  * conditions are met:
        !             7:  *
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  *
        !            11:  * 2. Redistributions in binary form must reproduce the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer in the
        !            13:  *    documentation and/or other materials provided with the distribution.
        !            14:  *
        !            15:  * 3. Neither the name of the copyright holder nor the names of its
        !            16:  *    contributors may be used to endorse or promote products derived from
        !            17:  *    this software without specific prior written permission.
        !            18:  *
        !            19:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
        !            20:  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            21:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
        !            22:  * PARTICULAR PURPOSE ARE DISCLAIMED.
        !            23:  *
        !            24:  * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
        !            25:  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            29:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            30:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            31:  * POSSIBILITY OF SUCH DAMAGE.
        !            32:  */
        !            33:
        !            34: #ifndef INC_LIBACOPM_COMMON_H
        !            35: #define INC_LIBACOPM_COMMON_H
        !            36:
        !            37: #include <stdarg.h> /* va_list, va_*(), vfprintf(), vsprintf(), vsnprintf() */
        !            38: #include <stdbool.h> /* true, false */
        !            39: #include <stddef.h> /* NULL, size_t */
        !            40: #include <stdio.h> /* snprintf() */
        !            41: #include <stdint.h> /* uint8_t, uint16_t, uint32_t, uint64_t */
        !            42: #include <stdlib.h> /* abort(), getenv(), calloc(), malloc(), realloc(), free(), strtoul(), EXIT_* */
        !            43:
        !            44: #ifdef HAVE_CONFIG_H
        !            45: #  include "acopm-config.h"
        !            46: #endif
        !            47:
        !            48: #ifndef PACKAGE_NAME
        !            49: #  define PACKAGE_NAME              "ACOPM"
        !            50: #endif
        !            51:
        !            52: #ifndef PACKAGE_TARNAME
        !            53: #  define PACKAGE_TARNAME           "acopm"
        !            54: #endif
        !            55:
        !            56: #ifndef SYSCONFDIR
        !            57: #  define SYSCONFDIR                "/etc"
        !            58: #endif
        !            59:
        !            60: #define ACOPM_CONFIG_FILE_DEFAULT   SYSCONFDIR "/" PACKAGE_TARNAME ".conf"
        !            61:
        !            62: #ifndef BUILD_WITH_DEBUG
        !            63: #  define NDEBUG 1 /* remove acopm_log_debug() calls, make assert(3) a no-op, etc */
        !            64: #else
        !            65: #  ifdef NDEBUG
        !            66: #    undef NDEBUG  /* NDEBUG was defined but not by our build system -- remove it */
        !            67: #  endif
        !            68: #endif
        !            69:
        !            70: #define INET_ADDRLEN    4U  /* # octets in raw IPv4 address */
        !            71: #define INET6_ADDRLEN   16U /* # octets in raw IPv6 address */
        !            72:
        !            73: #define acopm_attr_inline           __attribute__((always_inline))
        !            74: #define acopm_attr_malloc           __attribute__((malloc))
        !            75: #define acopm_attr_noreturn         __attribute__((noreturn))
        !            76: #define acopm_attr_packed           __attribute__((packed))
        !            77: #define acopm_attr_printf(f, s)     __attribute__((format(printf, (f), (s))))
        !            78: #define acopm_attr_pure             __attribute__((pure))
        !            79: #define acopm_attr_unused           __attribute__((unused))
        !            80: #define acopm_attr_warn_unused      __attribute__((warn_unused_result))
        !            81:
        !            82: #define acopm_strset_len(b, s, v)   ((snprintf((b), (s), "%s", (v)) >= (int) (s)) ? false : true)
        !            83: #define acopm_strset_buf(b, v)      acopm_strset_len((b), sizeof (b), (v))
        !            84:
        !            85: #endif /* !INC_LIBACOPM_COMMON_H */