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-rw-r--r--libtransport/src/utils/log.cc1403
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diff --git a/libtransport/src/utils/log.cc b/libtransport/src/utils/log.cc
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+++ b/libtransport/src/utils/log.cc
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+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 wonder-mice
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/* When defined, Android log (android/log.h) will be used by default instead of
+ * stderr (ignored on non-Android platforms). Date, time, pid and tid (context)
+ * will be provided by Android log. Android log features will be used to output
+ * log level and tag.
+ */
+
+#if defined(__ANDROID__)
+#define TRANSPORT_LOG_USE_ANDROID_LOG 1
+#define ANDROID_TAG "HicnTransport"
+#else
+#define TRANSPORT_LOG_USE_ANDROID_LOG 0
+#endif
+
+/* When defined, NSLog (uses Apple System Log) will be used instead of stderr
+ * (ignored on non-Apple platforms). Date, time, pid and tid (context) will be
+ * provided by NSLog. Curiously, doesn't use NSLog() directly, but piggybacks on
+ * non-public CFLog() function. Both use Apple System Log internally, but it's
+ * easier to call CFLog() from C than NSLog(). Current implementation doesn't
+ * support "%@" format specifier.
+ */
+#ifdef TRANSPORT_LOG_USE_NSLOG
+#undef TRANSPORT_LOG_USE_NSLOG
+#if defined(__APPLE__) && defined(__MACH__)
+#define TRANSPORT_LOG_USE_NSLOG 1
+#else
+#define TRANSPORT_LOG_USE_NSLOG 0
+#endif
+#else
+#define TRANSPORT_LOG_USE_NSLOG 0
+#endif
+/* When defined, OutputDebugString() will be used instead of stderr (ignored on
+ * non-Windows platforms). Uses OutputDebugStringA() variant and feeds it with
+ * UTF-8 data.
+ */
+#ifdef TRANSPORT_LOG_USE_DEBUGSTRING
+#undef TRANSPORT_LOG_USE_DEBUGSTRING
+#if defined(_WIN32) || defined(_WIN64)
+#define TRANSPORT_LOG_USE_DEBUGSTRING 1
+#else
+#define TRANSPORT_LOG_USE_DEBUGSTRING 0
+#endif
+#else
+#define TRANSPORT_LOG_USE_DEBUGSTRING 0
+#endif
+/* When defined, TRANSPORT_LOG library will not contain definition of tag prefix
+ * variable. In that case it must be defined elsewhere using
+ * TRANSPORT_LOG_DEFINE_TAG_PREFIX macro, for example:
+ *
+ * TRANSPORT_LOG_DEFINE_TAG_PREFIX = "ProcessName";
+ *
+ * This allows to specify custom value for static initialization and avoid
+ * overhead of setting this value in runtime.
+ */
+#ifdef TRANSPORT_LOG_EXTERN_TAG_PREFIX
+#undef TRANSPORT_LOG_EXTERN_TAG_PREFIX
+#define TRANSPORT_LOG_EXTERN_TAG_PREFIX 1
+#else
+#define TRANSPORT_LOG_EXTERN_TAG_PREFIX 0
+#endif
+/* When defined, TRANSPORT_LOG library will not contain definition of global
+ * format variable. In that case it must be defined elsewhere using
+ * TRANSPORT_LOG_DEFINE_GLOBAL_FORMAT macro, for example:
+ *
+ * TRANSPORT_LOG_DEFINE_GLOBAL_FORMAT = {MEM_WIDTH};
+ *
+ * This allows to specify custom value for static initialization and avoid
+ * overhead of setting this value in runtime.
+ */
+#ifdef TRANSPORT_LOG_EXTERN_GLOBAL_FORMAT
+#undef TRANSPORT_LOG_EXTERN_GLOBAL_FORMAT
+#define TRANSPORT_LOG_EXTERN_GLOBAL_FORMAT 1
+#else
+#define TRANSPORT_LOG_EXTERN_GLOBAL_FORMAT 0
+#endif
+/* When defined, transport_log library will not contain definition of global
+ * output variable. In that case it must be defined elsewhere using
+ * TRANSPORT_LOG_DEFINE_GLOBAL_OUTPUT macro, for example:
+ *
+ * TRANSPORT_LOG_DEFINE_GLOBAL_OUTPUT = {TRANSPORT_LOG_PUT_STD,
+ * custom_output_callback};
+ *
+ * This allows to specify custom value for static initialization and avoid
+ * overhead of setting this value in runtime.
+ */
+#ifdef TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT
+#undef TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT
+#define TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT 1
+#else
+#define TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT 0
+#endif
+/* When defined, transport_log library will not contain definition of global
+ * output level variable. In that case it must be defined elsewhere using
+ * TRANSPORT_LOG_DEFINE_GLOBAL_OUTPUT_LEVEL macro, for example:
+ *
+ * TRANSPORT_LOG_DEFINE_GLOBAL_OUTPUT_LEVEL = TRANSPORT_LOG_WARN;
+ *
+ * This allows to specify custom value for static initialization and avoid
+ * overhead of setting this value in runtime.
+ */
+#ifdef TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT_LEVEL
+#undef TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT_LEVEL
+#define TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT_LEVEL 1
+#else
+#define TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT_LEVEL 0
+#endif
+/* When defined, implementation will prefer smaller code size over speed.
+ * Very rough estimate is that code will be up to 2x smaller and up to 2x
+ * slower. Disabled by default.
+ */
+#ifdef TRANSPORT_LOG_OPTIMIZE_SIZE
+#undef TRANSPORT_LOG_OPTIMIZE_SIZE
+#define TRANSPORT_LOG_OPTIMIZE_SIZE 1
+#else
+#define TRANSPORT_LOG_OPTIMIZE_SIZE 0
+#endif
+/* Size of the log line buffer. The buffer is allocated on stack. It limits
+ * maximum length of a log line.
+ */
+#ifndef TRANSPORT_LOG_BUF_SZ
+#define TRANSPORT_LOG_BUF_SZ 512
+#endif
+/* Default number of bytes in one line of memory output. For large values
+ * TRANSPORT_LOG_BUF_SZ also must be increased.
+ */
+#ifndef TRANSPORT_LOG_MEM_WIDTH
+#define TRANSPORT_LOG_MEM_WIDTH 32
+#endif
+/* String to put in the end of each log line (can be empty). Its value used by
+ * stderr output callback. Its size used as a default value for
+ * TRANSPORT_LOG_EOL_SZ.
+ */
+#ifndef TRANSPORT_LOG_EOL
+#define TRANSPORT_LOG_EOL "\n"
+#endif
+/* Default delimiter that separates parts of log message. Can NOT contain '%'
+ * or '\0'.
+ *
+ * Log message format specifications can override (or ignore) this value. For
+ * more details see TRANSPORT_LOG_MESSAGE_CTX_FORMAT,
+ * TRANSPORT_LOG_MESSAGE_SRC_FORMAT and TRANSPORT_LOG_MESSAGE_TAG_FORMAT.
+ */
+#ifndef TRANSPORT_LOG_DEF_DELIMITER
+#define TRANSPORT_LOG_DEF_DELIMITER " "
+#endif
+/* Specifies log message context format. Log message context includes date,
+ * time, process id, thread id and message's log level. Custom information can
+ * be added as well. Supported fields: YEAR, MONTH, DAY, HOUR, MINUTE, SECOND,
+ * MILLISECOND, PID, TID, LEVEL, S(str), F_INIT(statements),
+ * F_UINT(width, value).
+ *
+ * Must be defined as a tuple, for example:
+ *
+ * #define TRANSPORT_LOG_MESSAGE_CTX_FORMAT (YEAR, S("."), MONTH, S("."), DAY,
+ * S(" > "))
+ *
+ * In that case, resulting log message will be:
+ *
+ * 2016.12.22 > TAG function@filename.c:line Message text
+ *
+ * Note, that tag, source location and message text are not impacted by
+ * this setting. See TRANSPORT_LOG_MESSAGE_TAG_FORMAT and
+ * TRANSPORT_LOG_MESSAGE_SRC_FORMAT.
+ *
+ * If message context must be visually separated from the rest of the message,
+ * it must be reflected in context format (notice trailing S(" > ") in the
+ * example above).
+ *
+ * S(str) adds constant string str. String can NOT contain '%' or '\0'.
+ *
+ * F_INIT(statements) adds initialization statement(s) that will be evaluated
+ * once for each log message. All statements are evaluated in specified order.
+ * Several F_INIT() fields can be used in every log message format
+ * specification. Fields, like F_UINT(width, value), are allowed to use results
+ * of initialization statements. If statement introduces variables (or other
+ * names, like structures) they must be prefixed with "f_". Statements must be
+ * enclosed into additional "()". Example:
+ *
+ * #define TRANSPORT_LOG_MESSAGE_CTX_FORMAT \
+ * (F_INIT(( struct rusage f_ru; getrusage(RUSAGE_SELF, &f_ru); )), \
+ * YEAR, S("."), MONTH, S("."), DAY, S(" "), \
+ * F_UINT(5, f_ru.ru_nsignals), \
+ * S(" "))
+ *
+ * F_UINT(width, value) adds unsigned integer value extended with up to width
+ * spaces (for alignment purposes). Value can be any expression that evaluates
+ * to unsigned integer. If expression contains non-standard functions, they
+ * must be declared with F_INIT(). Example:
+ *
+ * #define TRANSPORT_LOG_MESSAGE_CTX_FORMAT \
+ * (YEAR, S("."), MONTH, S("."), DAY, S(" "), \
+ * F_INIT(( unsigned tickcount(); )), \
+ * F_UINT(5, tickcount()), \
+ * S(" "))
+ *
+ * Other log message format specifications follow same rules, but have a
+ * different set of supported fields.
+ */
+#ifndef TRANSPORT_LOG_MESSAGE_CTX_FORMAT
+#define TRANSPORT_LOG_MESSAGE_CTX_FORMAT \
+ (MONTH, S("-"), DAY, S(TRANSPORT_LOG_DEF_DELIMITER), HOUR, S(":"), MINUTE, \
+ S(":"), SECOND, S("."), MILLISECOND, S(TRANSPORT_LOG_DEF_DELIMITER), PID, \
+ S(TRANSPORT_LOG_DEF_DELIMITER), TID, S(TRANSPORT_LOG_DEF_DELIMITER), LEVEL, \
+ S(TRANSPORT_LOG_DEF_DELIMITER))
+#endif
+/* Example:
+ */
+/* Specifies log message tag format. It includes tag prefix and tag. Custom
+ * information can be added as well. Supported fields:
+ * TAG(prefix_delimiter, tag_delimiter), S(str), F_INIT(statements),
+ * F_UINT(width, value).
+ *
+ * TAG(prefix_delimiter, tag_delimiter) adds following string to log message:
+ *
+ * PREFIX<prefix_delimiter>TAG<tag_delimiter>
+ *
+ * Prefix delimiter will be used only when prefix is not empty. Tag delimiter
+ * will be used only when prefixed tag is not empty. Example:
+ *
+ * #define TRANSPORT_LOG_TAG_FORMAT (S("["), TAG(".", ""), S("] "))
+ *
+ * See TRANSPORT_LOG_MESSAGE_CTX_FORMAT for details.
+ */
+#ifndef TRANSPORT_LOG_MESSAGE_TAG_FORMAT
+#define TRANSPORT_LOG_MESSAGE_TAG_FORMAT (TAG(".", TRANSPORT_LOG_DEF_DELIMITER))
+#endif
+/* Specifies log message source location format. It includes function name,
+ * file name and file line. Custom information can be added as well. Supported
+ * fields: FUNCTION, FILENAME, FILELINE, S(str), F_INIT(statements),
+ * F_UINT(width, value).
+ *
+ * See TRANSPORT_LOG_MESSAGE_CTX_FORMAT for details.
+ */
+#ifndef TRANSPORT_LOG_MESSAGE_SRC_FORMAT
+#define TRANSPORT_LOG_MESSAGE_SRC_FORMAT \
+ (FUNCTION, S("@"), FILENAME, S(":"), FILELINE, S(TRANSPORT_LOG_DEF_DELIMITER))
+#endif
+/* Fields that can be used in log message format specifications (see above).
+ * Mentioning them here explicitly, so we know that nobody else defined them
+ * before us. See TRANSPORT_LOG_MESSAGE_CTX_FORMAT for details.
+ */
+#define YEAR YEAR
+#define MONTH MONTH
+#define DAY DAY
+#define MINUTE MINUTE
+#define SECOND SECOND
+#define MILLISECOND MILLISECOND
+#define PID PID
+#define TID TID
+#define LEVEL LEVEL
+#define TAG(prefix_delim, tag_delim) TAG(prefix_delim, tag_delim)
+#define FUNCTION FUNCTION
+#define FILENAME FILENAME
+#define FILELINE FILELINE
+#define S(str) S(str)
+#define F_INIT(statements) F_INIT(statements)
+#define F_UINT(width, value) F_UINT(width, value)
+/* Number of bytes to reserve for EOL in the log line buffer (must be >0).
+ * Must be larger than or equal to length of TRANSPORT_LOG_EOL with terminating
+ * null.
+ */
+#ifndef TRANSPORT_LOG_EOL_SZ
+#define TRANSPORT_LOG_EOL_SZ sizeof(TRANSPORT_LOG_EOL)
+#endif
+/* Compile instrumented version of the library to facilitate unit testing.
+ */
+#ifndef TRANSPORT_LOG_INSTRUMENTED
+#define TRANSPORT_LOG_INSTRUMENTED 0
+#endif
+
+#if defined(__linux__)
+#if !defined(__ANDROID__) && !defined(_GNU_SOURCE)
+#define _GNU_SOURCE
+#endif
+#endif
+#if defined(__MINGW32__)
+#ifdef __STRICT_ANSI__
+#undef __STRICT_ANSI__
+#endif
+#endif
+
+#include <assert.h>
+#include <ctype.h>
+#include <hicn/transport/utils/log.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#if defined(_WIN32) || defined(_WIN64)
+#include <windows.h>
+#else
+#include <sys/time.h>
+#include <unistd.h>
+#if defined(__linux__)
+#include <linux/limits.h>
+#else
+#include <sys/syslimits.h>
+#endif
+#endif
+
+#if defined(__linux__)
+#include <sys/prctl.h>
+#include <sys/types.h>
+#if !defined(__ANDROID__)
+#include <sys/syscall.h>
+#endif
+#endif
+#if defined(__MACH__)
+#include <pthread.h>
+#endif
+
+#define INLINE _TRANSPORT_LOG_INLINE
+#define VAR_UNUSED(var) (void)var
+#define RETVAL_UNUSED(expr) \
+ do { \
+ while (expr) break; \
+ } while (0)
+#define STATIC_ASSERT(name, cond) typedef char assert_##name[(cond) ? 1 : -1]
+#define ASSERT_UNREACHABLE(why) assert(!sizeof(why))
+#ifndef _countof
+#define _countof(xs) (sizeof(xs) / sizeof((xs)[0]))
+#endif
+
+#if TRANSPORT_LOG_INSTRUMENTED
+#define INSTRUMENTED_CONST
+#else
+#define INSTRUMENTED_CONST const
+#endif
+
+#define _PP_PASTE_2(a, b) a##b
+#define _PP_CONCAT_2(a, b) _PP_PASTE_2(a, b)
+
+#define _PP_PASTE_3(a, b, c) a##b##c
+#define _PP_CONCAT_3(a, b, c) _PP_PASTE_3(a, b, c)
+
+/* Microsoft C preprocessor is a piece of shit. This moron treats __VA_ARGS__
+ * as a single token and requires additional expansion to realize that it's
+ * actually a list. If not for it, there would be no need in this extra
+ * expansion.
+ */
+#define _PP_ID(x) x
+#define _PP_NARGS_N(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, \
+ _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, \
+ _24, ...) \
+ _24
+#define _PP_NARGS(...) \
+ _PP_ID(_PP_NARGS_N(__VA_ARGS__, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, \
+ 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0))
+
+/* There is a more efficient way to implement this, but it requires
+ * working C preprocessor. Unfortunately, Microsoft Visual Studio doesn't
+ * have one.
+ */
+#define _PP_HEAD__(x, ...) x
+#define _PP_HEAD_(...) _PP_ID(_PP_HEAD__(__VA_ARGS__, ~))
+#define _PP_HEAD(xs) _PP_HEAD_ xs
+#define _PP_TAIL_(x, ...) (__VA_ARGS__)
+#define _PP_TAIL(xs) _PP_TAIL_ xs
+#define _PP_UNTUPLE_(...) __VA_ARGS__
+#define _PP_UNTUPLE(xs) _PP_UNTUPLE_ xs
+
+/* Apply function macro to each element in tuple. Output is not
+ * enforced to be a tuple.
+ */
+#define _PP_MAP_1(f, xs) f(_PP_HEAD(xs))
+#define _PP_MAP_2(f, xs) f(_PP_HEAD(xs)) _PP_MAP_1(f, _PP_TAIL(xs))
+#define _PP_MAP_3(f, xs) f(_PP_HEAD(xs)) _PP_MAP_2(f, _PP_TAIL(xs))
+#define _PP_MAP_4(f, xs) f(_PP_HEAD(xs)) _PP_MAP_3(f, _PP_TAIL(xs))
+#define _PP_MAP_5(f, xs) f(_PP_HEAD(xs)) _PP_MAP_4(f, _PP_TAIL(xs))
+#define _PP_MAP_6(f, xs) f(_PP_HEAD(xs)) _PP_MAP_5(f, _PP_TAIL(xs))
+#define _PP_MAP_7(f, xs) f(_PP_HEAD(xs)) _PP_MAP_6(f, _PP_TAIL(xs))
+#define _PP_MAP_8(f, xs) f(_PP_HEAD(xs)) _PP_MAP_7(f, _PP_TAIL(xs))
+#define _PP_MAP_9(f, xs) f(_PP_HEAD(xs)) _PP_MAP_8(f, _PP_TAIL(xs))
+#define _PP_MAP_10(f, xs) f(_PP_HEAD(xs)) _PP_MAP_9(f, _PP_TAIL(xs))
+#define _PP_MAP_11(f, xs) f(_PP_HEAD(xs)) _PP_MAP_10(f, _PP_TAIL(xs))
+#define _PP_MAP_12(f, xs) f(_PP_HEAD(xs)) _PP_MAP_11(f, _PP_TAIL(xs))
+#define _PP_MAP_13(f, xs) f(_PP_HEAD(xs)) _PP_MAP_12(f, _PP_TAIL(xs))
+#define _PP_MAP_14(f, xs) f(_PP_HEAD(xs)) _PP_MAP_13(f, _PP_TAIL(xs))
+#define _PP_MAP_15(f, xs) f(_PP_HEAD(xs)) _PP_MAP_14(f, _PP_TAIL(xs))
+#define _PP_MAP_16(f, xs) f(_PP_HEAD(xs)) _PP_MAP_15(f, _PP_TAIL(xs))
+#define _PP_MAP_17(f, xs) f(_PP_HEAD(xs)) _PP_MAP_16(f, _PP_TAIL(xs))
+#define _PP_MAP_18(f, xs) f(_PP_HEAD(xs)) _PP_MAP_17(f, _PP_TAIL(xs))
+#define _PP_MAP_19(f, xs) f(_PP_HEAD(xs)) _PP_MAP_18(f, _PP_TAIL(xs))
+#define _PP_MAP_20(f, xs) f(_PP_HEAD(xs)) _PP_MAP_19(f, _PP_TAIL(xs))
+#define _PP_MAP_21(f, xs) f(_PP_HEAD(xs)) _PP_MAP_20(f, _PP_TAIL(xs))
+#define _PP_MAP_22(f, xs) f(_PP_HEAD(xs)) _PP_MAP_21(f, _PP_TAIL(xs))
+#define _PP_MAP_23(f, xs) f(_PP_HEAD(xs)) _PP_MAP_22(f, _PP_TAIL(xs))
+#define _PP_MAP_24(f, xs) f(_PP_HEAD(xs)) _PP_MAP_23(f, _PP_TAIL(xs))
+#define _PP_MAP(f, xs) _PP_CONCAT_2(_PP_MAP_, _PP_NARGS xs)(f, xs)
+
+/* Apply function macro to each element in tuple in reverse order.
+ * Output is not enforced to be a tuple.
+ */
+#define _PP_RMAP_1(f, xs) f(_PP_HEAD(xs))
+#define _PP_RMAP_2(f, xs) _PP_RMAP_1(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_3(f, xs) _PP_RMAP_2(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_4(f, xs) _PP_RMAP_3(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_5(f, xs) _PP_RMAP_4(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_6(f, xs) _PP_RMAP_5(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_7(f, xs) _PP_RMAP_6(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_8(f, xs) _PP_RMAP_7(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_9(f, xs) _PP_RMAP_8(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_10(f, xs) _PP_RMAP_9(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_11(f, xs) _PP_RMAP_10(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_12(f, xs) _PP_RMAP_11(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_13(f, xs) _PP_RMAP_12(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_14(f, xs) _PP_RMAP_13(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_15(f, xs) _PP_RMAP_14(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_16(f, xs) _PP_RMAP_15(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_17(f, xs) _PP_RMAP_16(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_18(f, xs) _PP_RMAP_17(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_19(f, xs) _PP_RMAP_18(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_20(f, xs) _PP_RMAP_19(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_21(f, xs) _PP_RMAP_20(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_22(f, xs) _PP_RMAP_21(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_23(f, xs) _PP_RMAP_22(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP_24(f, xs) _PP_RMAP_23(f, _PP_TAIL(xs)) f(_PP_HEAD(xs))
+#define _PP_RMAP(f, xs) _PP_CONCAT_2(_PP_RMAP_, _PP_NARGS xs)(f, xs)
+
+/* Used to implement _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS() macro. All
+ * possible fields must be mentioned here. Not counting F_INIT() here because
+ * it's somewhat special and is handled spearatly (at least for now).
+ */
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__ (0 << 0)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__YEAR (1 << 1)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__MONTH (1 << 2)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__DAY (1 << 3)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__HOUR (1 << 4)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__MINUTE (1 << 5)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__SECOND (1 << 6)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__MILLISECOND (1 << 7)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__PID (1 << 8)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__TID (1 << 9)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__LEVEL (1 << 10)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__TAG(ps, ts) (1 << 11)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__FUNCTION (1 << 12)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__FILENAME (1 << 13)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__FILELINE (1 << 14)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__S(s) (1 << 15)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__F_INIT(expr) (0 << 16)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK__F_UINT(w, v) (1 << 17)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_MASK(field) \
+ _PP_CONCAT_3(_TRANSPORT_LOG_MESSAGE_FORMAT_MASK_, _, field)
+
+/* Logical "or" of masks of fields used in specified format specification.
+ */
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_FIELDS(format) \
+ (0 _PP_MAP(| _TRANSPORT_LOG_MESSAGE_FORMAT_MASK, format))
+
+/* Expands to expressions that evaluates to true if field is used in
+ * specified format specification. Example:
+ *
+ * #if _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(F_UINT,
+ * TRANSPORT_LOG_MESSAGE_CTX_FORMAT)
+ * ...
+ * #endif
+ */
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(field, format) \
+ (_TRANSPORT_LOG_MESSAGE_FORMAT_MASK(field) & \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_FIELDS(format))
+
+/* Same, but checks all supported format specifications.
+ */
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_FIELD_USED(field) \
+ (_TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(field, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT) || \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(field, \
+ TRANSPORT_LOG_MESSAGE_TAG_FORMAT) || \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(field, \
+ TRANSPORT_LOG_MESSAGE_SRC_FORMAT))
+
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_DATETIME_USED \
+ (_TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(YEAR, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT) || \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(MONTH, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT) || \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(DAY, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT) || \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(HOUR, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT) || \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(MINUTE, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT) || \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(SECOND, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT) || \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(MILLISECOND, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT))
+
+#if defined(_MSC_VER) && !defined(__INTEL_COMPILER)
+#pragma warning(disable : 4204) /* nonstandard extension used: non-constant \
+ aggregate initializer */
+#define memccpy _memccpy
+#endif
+
+#if (defined(_MSC_VER) && !defined(__INTEL_COMPILER)) || defined(__MINGW64__)
+#define vsnprintf(s, sz, fmt, va) fake_vsnprintf(s, sz, fmt, va)
+static int fake_vsnprintf(char *s, size_t sz, const char *fmt, va_list ap) {
+ const int n = vsnprintf_s(s, sz, _TRUNCATE, fmt, ap);
+ return 0 < n ? n : (int)sz + 1; /* no need in _vscprintf() for now */
+}
+#if TRANSPORT_LOG_OPTIMIZE_SIZE
+#define snprintf(s, sz, ...) fake_snprintf(s, sz, __VA_ARGS__)
+static int fake_snprintf(char *s, size_t sz, const char *fmt, ...) {
+ va_list va;
+ va_start(va, fmt);
+ const int n = fake_vsnprintf(s, sz, fmt, va);
+ va_end(va);
+ return n;
+}
+#endif
+#endif
+
+typedef void (*time_cb)(struct tm *const tm, unsigned *const usec);
+typedef void (*pid_cb)(int *const pid, int *const tid);
+typedef void (*buffer_cb)(transport_log_message *msg, char *buf);
+
+typedef struct src_location {
+ const char *const func;
+ const char *const file;
+ const unsigned line;
+} src_location;
+
+typedef struct mem_block {
+ const void *const d;
+ const unsigned d_sz;
+} mem_block;
+
+static void time_callback(struct tm *const tm, unsigned *const usec);
+static void pid_callback(int *const pid, int *const tid);
+static void buffer_callback(transport_log_message *msg, char *buf);
+
+STATIC_ASSERT(eol_fits_eol_sz,
+ sizeof(TRANSPORT_LOG_EOL) <= TRANSPORT_LOG_EOL_SZ);
+STATIC_ASSERT(eol_sz_greater_than_zero, 0 < TRANSPORT_LOG_EOL_SZ);
+STATIC_ASSERT(eol_sz_less_than_buf_sz,
+ TRANSPORT_LOG_EOL_SZ < TRANSPORT_LOG_BUF_SZ);
+#if !defined(_WIN32) && !defined(_WIN64)
+STATIC_ASSERT(buf_sz_less_than_pipe_buf, TRANSPORT_LOG_BUF_SZ <= PIPE_BUF);
+#endif
+static const char c_hex[] = "0123456789abcdef";
+
+static INSTRUMENTED_CONST unsigned g_buf_sz =
+ TRANSPORT_LOG_BUF_SZ - TRANSPORT_LOG_EOL_SZ;
+static INSTRUMENTED_CONST time_cb g_time_cb = time_callback;
+static INSTRUMENTED_CONST pid_cb g_pid_cb = pid_callback;
+static INSTRUMENTED_CONST buffer_cb g_buffer_cb = buffer_callback;
+
+#if TRANSPORT_LOG_USE_ANDROID_LOG
+#include <android/log.h>
+
+static INLINE int android_lvl(const int lvl) {
+ switch (lvl) {
+ case TRANSPORT_LOG_VERBOSE:
+ return ANDROID_LOG_VERBOSE;
+ case TRANSPORT_LOG_DEBUG:
+ return ANDROID_LOG_DEBUG;
+ case TRANSPORT_LOG_INFO:
+ return ANDROID_LOG_INFO;
+ case TRANSPORT_LOG_WARN:
+ return ANDROID_LOG_WARN;
+ case TRANSPORT_LOG_ERROR:
+ return ANDROID_LOG_ERROR;
+ case TRANSPORT_LOG_FATAL:
+ return ANDROID_LOG_FATAL;
+ default:
+ ASSERT_UNREACHABLE("Bad log level");
+ return ANDROID_LOG_UNKNOWN;
+ }
+}
+
+static void out_android_callback(const transport_log_message *const msg,
+ void *arg) {
+ VAR_UNUSED(arg);
+ *msg->p = 0;
+ const char *tag = msg->p;
+ if (msg->tag_e != msg->tag_b) {
+ tag = msg->tag_b;
+ *msg->tag_e = 0;
+ }
+ __android_log_print(android_lvl(msg->lvl), ANDROID_TAG, "%s", msg->msg_b);
+}
+
+enum { OUT_ANDROID_MASK = TRANSPORT_LOG_PUT_STD & ~TRANSPORT_LOG_PUT_CTX };
+#define OUT_ANDROID OUT_ANDROID_MASK, 0, out_android_callback
+#endif
+
+#if TRANSPORT_LOG_USE_NSLOG
+#include <CoreFoundation/CoreFoundation.h>
+CF_EXPORT void CFLog(int32_t level, CFStringRef format, ...);
+
+static INLINE int apple_lvl(const int lvl) {
+ switch (lvl) {
+ case TRANSPORT_LOG_VERBOSE:
+ return 7; /* ASL_LEVEL_DEBUG / kCFLogLevelDebug */
+ ;
+ case TRANSPORT_LOG_DEBUG:
+ return 7; /* ASL_LEVEL_DEBUG / kCFLogLevelDebug */
+ ;
+ case TRANSPORT_LOG_INFO:
+ return 6; /* ASL_LEVEL_INFO / kCFLogLevelInfo */
+ ;
+ case TRANSPORT_LOG_WARN:
+ return 4; /* ASL_LEVEL_WARNING / kCFLogLevelWarning */
+ ;
+ case TRANSPORT_LOG_ERROR:
+ return 3; /* ASL_LEVEL_ERR / kCFLogLevelError */
+ ;
+ case TRANSPORT_LOG_FATAL:
+ return 0; /* ASL_LEVEL_EMERG / kCFLogLevelEmergency */
+ ;
+ default:
+ ASSERT_UNREACHABLE("Bad log level");
+ return 0; /* ASL_LEVEL_EMERG / kCFLogLevelEmergency */
+ ;
+ }
+}
+
+static void out_nslog_callback(const transport_log_message *const msg,
+ void *arg) {
+ VAR_UNUSED(arg);
+ *msg->p = 0;
+ CFLog(apple_lvl(msg->lvl), CFSTR("%s"), msg->tag_b);
+}
+
+enum { OUT_NSLOG_MASK = TRANSPORT_LOG_PUT_STD & ~TRANSPORT_LOG_PUT_CTX };
+#define OUT_NSLOG OUT_NSLOG_MASK, 0, out_nslog_callback
+#endif
+
+#if TRANSPORT_LOG_USE_DEBUGSTRING
+#include <windows.h>
+
+static void out_debugstring_callback(const transport_log_message *const msg,
+ void *arg) {
+ VAR_UNUSED(arg);
+ msg->p[0] = '\n';
+ msg->p[1] = '\0';
+ OutputDebugStringA(msg->buf);
+}
+
+enum { OUT_DEBUGSTRING_MASK = TRANSPORT_LOG_PUT_STD };
+#define OUT_DEBUGSTRING OUT_DEBUGSTRING_MASK, 0, out_debugstring_callback
+#endif
+
+void transport_log_out_stderr_callback(const transport_log_message *const msg,
+ void *arg) {
+ VAR_UNUSED(arg);
+ const size_t eol_len = sizeof(TRANSPORT_LOG_EOL) - 1;
+ memcpy(msg->p, TRANSPORT_LOG_EOL, eol_len);
+#if defined(_WIN32) || defined(_WIN64)
+ /* WriteFile() is atomic for local files opened with FILE_APPEND_DATA and
+ without FILE_WRITE_DATA */
+ DWORD written;
+ WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg->buf,
+ (DWORD)(msg->p - msg->buf + eol_len), &written, 0);
+#else
+ /* write() is atomic for buffers less than or equal to PIPE_BUF. */
+ RETVAL_UNUSED(
+ write(STDERR_FILENO, msg->buf, (size_t)(msg->p - msg->buf) + eol_len));
+#endif
+}
+
+static const transport_log_output out_stderr = {TRANSPORT_LOG_OUT_STDERR};
+
+#if !TRANSPORT_LOG_EXTERN_TAG_PREFIX
+TRANSPORT_LOG_DEFINE_TAG_PREFIX = 0;
+#endif
+
+#if !TRANSPORT_LOG_EXTERN_GLOBAL_FORMAT
+TRANSPORT_LOG_DEFINE_GLOBAL_FORMAT = {TRANSPORT_LOG_MEM_WIDTH};
+#endif
+
+#if !TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT
+#if TRANSPORT_LOG_USE_ANDROID_LOG
+TRANSPORT_LOG_DEFINE_GLOBAL_OUTPUT = {OUT_ANDROID};
+#elif TRANSPORT_LOG_USE_NSLOG
+TRANSPORT_LOG_DEFINE_GLOBAL_OUTPUT = {OUT_NSLOG};
+#elif TRANSPORT_LOG_USE_DEBUGSTRING
+TRANSPORT_LOG_DEFINE_GLOBAL_OUTPUT = {OUT_DEBUGSTRING};
+#else
+TRANSPORT_LOG_DEFINE_GLOBAL_OUTPUT = {TRANSPORT_LOG_OUT_STDERR};
+#endif
+#endif
+
+#if !TRANSPORT_LOG_EXTERN_GLOBAL_OUTPUT_LEVEL
+TRANSPORT_LOG_DEFINE_GLOBAL_OUTPUT_LEVEL = 0;
+#endif
+
+const transport_log_spec _transport_log_stderr_spec = {
+ TRANSPORT_LOG_GLOBAL_FORMAT,
+ &out_stderr,
+};
+
+static const transport_log_spec global_spec = {
+ TRANSPORT_LOG_GLOBAL_FORMAT,
+ TRANSPORT_LOG_GLOBAL_OUTPUT,
+};
+
+#if _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(LEVEL, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT)
+static char lvl_char(const int lvl) {
+ switch (lvl) {
+ case TRANSPORT_LOG_VERBOSE:
+ return 'V';
+ case TRANSPORT_LOG_DEBUG:
+ return 'D';
+ case TRANSPORT_LOG_INFO:
+ return 'I';
+ case TRANSPORT_LOG_WARN:
+ return 'W';
+ case TRANSPORT_LOG_ERROR:
+ return 'E';
+ case TRANSPORT_LOG_FATAL:
+ return 'F';
+ default:
+ ASSERT_UNREACHABLE("Bad log level");
+ return '?';
+ }
+}
+#endif
+
+#define GCCVER_LESS(MAJOR, MINOR, PATCH) \
+ (__GNUC__ < MAJOR || (__GNUC__ == MAJOR && (__GNUC_MINOR__ < MINOR || \
+ (__GNUC_MINOR__ == MINOR && \
+ __GNUC_PATCHLEVEL__ < PATCH))))
+
+#if !defined(__clang__) && defined(__GNUC__) && GCCVER_LESS(4, 7, 0)
+#define __atomic_load_n(vp, model) __sync_fetch_and_add(vp, 0)
+#define __atomic_fetch_add(vp, n, model) __sync_fetch_and_add(vp, n)
+#define __atomic_sub_fetch(vp, n, model) __sync_sub_and_fetch(vp, n)
+#define __atomic_or_fetch(vp, n, model) __sync_or_and_fetch(vp, n)
+#define __atomic_and_fetch(vp, n, model) __sync_and_and_fetch(vp, n)
+/* Note: will not store old value of *vp in *ep (non-standard behaviour) */
+#define __atomic_compare_exchange_n(vp, ep, d, weak, smodel, fmodel) \
+ __sync_bool_compare_and_swap(vp, *(ep), d)
+#endif
+
+#if !TRANSPORT_LOG_OPTIMIZE_SIZE && !defined(_WIN32) && !defined(_WIN64)
+#define TCACHE
+#define TCACHE_STALE (0x40000000)
+#define TCACHE_FLUID (0x40000000 | 0x80000000)
+static unsigned g_tcache_mode = TCACHE_STALE;
+static struct timeval g_tcache_tv = {0, 0};
+static struct tm g_tcache_tm = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+static INLINE int tcache_get(const struct timeval *const tv,
+ struct tm *const tm) {
+ unsigned mode;
+ mode = __atomic_load_n(&g_tcache_mode, __ATOMIC_RELAXED);
+ if (0 == (mode & TCACHE_FLUID)) {
+ mode = __atomic_fetch_add(&g_tcache_mode, 1, __ATOMIC_ACQUIRE);
+ if (0 == (mode & TCACHE_FLUID)) {
+ if (g_tcache_tv.tv_sec == tv->tv_sec) {
+ *tm = g_tcache_tm;
+ __atomic_sub_fetch(&g_tcache_mode, 1, __ATOMIC_RELEASE);
+ return !0;
+ }
+ __atomic_or_fetch(&g_tcache_mode, TCACHE_STALE, __ATOMIC_RELAXED);
+ }
+ __atomic_sub_fetch(&g_tcache_mode, 1, __ATOMIC_RELEASE);
+ }
+ return 0;
+}
+
+static INLINE void tcache_set(const struct timeval *const tv,
+ struct tm *const tm) {
+ unsigned stale = TCACHE_STALE;
+ if (__atomic_compare_exchange_n(&g_tcache_mode, &stale, TCACHE_FLUID, 0,
+ __ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+ g_tcache_tv = *tv;
+ g_tcache_tm = *tm;
+ __atomic_and_fetch(&g_tcache_mode, ~TCACHE_FLUID, __ATOMIC_RELEASE);
+ }
+}
+#endif
+
+static void time_callback(struct tm *const tm, unsigned *const msec) {
+#if !_TRANSPORT_LOG_MESSAGE_FORMAT_DATETIME_USED
+ VAR_UNUSED(tm);
+ VAR_UNUSED(msec);
+#else
+#if defined(_WIN32) || defined(_WIN64)
+ SYSTEMTIME st;
+ GetLocalTime(&st);
+ tm->tm_year = st.wYear;
+ tm->tm_mon = st.wMonth - 1;
+ tm->tm_mday = st.wDay;
+ tm->tm_wday = st.wDayOfWeek;
+ tm->tm_hour = st.wHour;
+ tm->tm_min = st.wMinute;
+ tm->tm_sec = st.wSecond;
+ *msec = st.wMilliseconds;
+#else
+ struct timeval tv;
+ gettimeofday(&tv, 0);
+#ifndef TCACHE
+ localtime_r(&tv.tv_sec, tm);
+#else
+ if (!tcache_get(&tv, tm)) {
+ localtime_r(&tv.tv_sec, tm);
+ tcache_set(&tv, tm);
+ }
+#endif
+ *msec = (unsigned)tv.tv_usec / 1000;
+#endif
+#endif
+}
+
+static void pid_callback(int *const pid, int *const tid) {
+#if !_TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(PID, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT)
+ VAR_UNUSED(pid);
+#else
+#if defined(_WIN32) || defined(_WIN64)
+ *pid = GetCurrentProcessId();
+#else
+ *pid = getpid();
+#endif
+#endif
+
+#if !_TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(TID, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT)
+ VAR_UNUSED(tid);
+#else
+#if defined(_WIN32) || defined(_WIN64)
+ *tid = GetCurrentThreadId();
+#elif defined(__ANDROID__)
+ *tid = gettid();
+#elif defined(__linux__)
+ *tid = syscall(SYS_gettid);
+#elif defined(__MACH__)
+ *tid = (int)pthread_mach_thread_np(pthread_self());
+#else
+#define Platform not supported
+#endif
+#endif
+}
+
+static void buffer_callback(transport_log_message *msg, char *buf) {
+ msg->e = (msg->p = msg->buf = buf) + g_buf_sz;
+}
+
+#if _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(FUNCTION, \
+ TRANSPORT_LOG_MESSAGE_SRC_FORMAT)
+static const char *funcname(const char *func) { return func ? func : ""; }
+#endif
+
+#if _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(FILENAME, \
+ TRANSPORT_LOG_MESSAGE_SRC_FORMAT)
+static const char *filename(const char *file) {
+ const char *f = file;
+ for (const char *p = file; 0 != *p; ++p) {
+ if ('/' == *p || '\\' == *p) {
+ f = p + 1;
+ }
+ }
+ return f;
+}
+#endif
+
+static INLINE size_t nprintf_size(transport_log_message *const msg) {
+ // *nprintf() always puts 0 in the end when input buffer is not empty. This
+ // 0 is not desired because its presence sets (ctx->p) to (ctx->e - 1) which
+ // leaves space for one more character. Some put_xxx() functions don't use
+ // *nprintf() and could use that last character. In that case log line will
+ // have multiple (two) half-written parts which is confusing. To workaround
+ // that we allow *nprintf() to write its 0 in the eol area (which is always
+ // not empty).
+ return (size_t)(msg->e - msg->p + 1);
+}
+
+static INLINE void put_nprintf(transport_log_message *const msg, const int n) {
+ if (0 < n) {
+ msg->p = n < msg->e - msg->p ? msg->p + n : msg->e;
+ }
+}
+
+static INLINE char *put_padding_r(const unsigned w, const char wc, char *p,
+ char *e) {
+ for (char *const b = e - w; b < p; *--p = wc) {
+ }
+ return p;
+}
+
+static char *put_integer_r(unsigned v, const int sign, const unsigned w,
+ const char wc, char *const e) {
+ static const char _signs[] = {'-', '0', '+'};
+ static const char *const signs = _signs + 1;
+ char *p = e;
+ do {
+ *--p = '0' + v % 10;
+ } while (0 != (v /= 10));
+ if (0 == sign) return put_padding_r(w, wc, p, e);
+ if ('0' != wc) {
+ *--p = signs[sign];
+ return put_padding_r(w, wc, p, e);
+ }
+ p = put_padding_r(w, wc, p, e + 1);
+ *--p = signs[sign];
+ return p;
+}
+
+static INLINE char *put_uint_r(const unsigned v, const unsigned w,
+ const char wc, char *const e) {
+ return put_integer_r(v, 0, w, wc, e);
+}
+
+static INLINE char *put_int_r(const int v, const unsigned w, const char wc,
+ char *const e) {
+ return 0 <= v ? put_integer_r((unsigned)v, 0, w, wc, e)
+ : put_integer_r((unsigned)-v, -1, w, wc, e);
+}
+
+static INLINE char *put_stringn(const char *const s_p, const char *const s_e,
+ char *const p, char *const e) {
+ const ptrdiff_t m = e - p;
+ ptrdiff_t n = s_e - s_p;
+ if (n > m) {
+ n = m;
+ }
+ memcpy(p, s_p, n);
+ return p + n;
+}
+
+static INLINE char *put_string(const char *s, char *p, char *const e) {
+ const ptrdiff_t n = e - p;
+ char *const c = (char *)memccpy(p, s, '\0', n);
+ return 0 != c ? c - 1 : e;
+}
+
+static INLINE char *put_uint(unsigned v, const unsigned w, const char wc,
+ char *const p, char *const e) {
+ char buf[16];
+ char *const se = buf + _countof(buf);
+ char *sp = put_uint_r(v, w, wc, se);
+ return put_stringn(sp, se, p, e);
+}
+
+#define PUT_CSTR_R(p, STR) \
+ do { \
+ for (unsigned i = sizeof(STR) - 1; 0 < i--;) { \
+ *--(p) = (STR)[i]; \
+ } \
+ } \
+ _TRANSPORT_LOG_ONCE
+
+#define PUT_CSTR_CHECKED(p, e, STR) \
+ do { \
+ for (unsigned i = 0; (e) > (p) && (sizeof(STR) - 1) > i; ++i) { \
+ *(p)++ = (STR)[i]; \
+ } \
+ } \
+ _TRANSPORT_LOG_ONCE
+
+/* F_INIT field support.
+ */
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__YEAR
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__MONTH
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__DAY
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__HOUR
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__MINUTE
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__SECOND
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__MILLISECOND
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__PID
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__TID
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__LEVEL
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__TAG(ps, ts)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__FUNCTION
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__FILENAME
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__FILELINE
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__S(s)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__F_INIT(expr) _PP_UNTUPLE(expr);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT__F_UINT(w, v)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_INIT(field) \
+ _PP_CONCAT_3(_TRANSPORT_LOG_MESSAGE_FORMAT_INIT_, _, field)
+
+/* Implements generation of printf-like format string for log message
+ * format specification.
+ */
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__ ""
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__YEAR "%04u"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__MONTH "%02u"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__DAY "%02u"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__HOUR "%02u"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__MINUTE "%02u"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__SECOND "%02u"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__MILLISECOND "%03u"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__PID "%5i"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__TID "%5i"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__LEVEL "%c"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__TAG UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__FUNCTION "%s"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__FILENAME "%s"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__FILELINE "%u"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__S(s) s
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__F_INIT(expr) ""
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT__F_UINT(w, v) "%" #w "u"
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT(field) \
+ _PP_CONCAT_3(_TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT_, _, field)
+
+/* Implements generation of printf-like format parameters for log message
+ * format specification.
+ */
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__YEAR \
+ , (unsigned)(tm.tm_year + 1900)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__MONTH \
+ , (unsigned)(tm.tm_mon + 1)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__DAY , (unsigned)tm.tm_mday
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__HOUR , (unsigned)tm.tm_hour
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__MINUTE , (unsigned)tm.tm_min
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__SECOND , (unsigned)tm.tm_sec
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__MILLISECOND , (unsigned)msec
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__PID , pid
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__TID , tid
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__LEVEL \
+ , (char)lvl_char(msg->lvl)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__TAG UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__FUNCTION , funcname(src->func)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__FILENAME , filename(src->file)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__FILELINE , src->line
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__S(s)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__F_INIT(expr)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL__F_UINT(w, v) , v
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL(field) \
+ _PP_CONCAT_3(_TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL_, _, field)
+
+/* Implements generation of put_xxx_t statements for log message specification.
+ */
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__YEAR \
+ p = put_uint_r(tm.tm_year + 1900, 4, '0', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__MONTH \
+ p = put_uint_r((unsigned)tm.tm_mon + 1, 2, '0', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__DAY \
+ p = put_uint_r((unsigned)tm.tm_mday, 2, '0', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__HOUR \
+ p = put_uint_r((unsigned)tm.tm_hour, 2, '0', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__MINUTE \
+ p = put_uint_r((unsigned)tm.tm_min, 2, '0', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__SECOND \
+ p = put_uint_r((unsigned)tm.tm_sec, 2, '0', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__MILLISECOND \
+ p = put_uint_r(msec, 3, '0', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__PID p = put_int_r(pid, 5, ' ', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__TID p = put_int_r(tid, 5, ' ', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__LEVEL *--p = lvl_char(msg->lvl);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__TAG UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__FUNCTION UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__FILENAME UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__FILELINE UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__S(s) PUT_CSTR_R(p, s);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__F_INIT(expr)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R__F_UINT(w, v) \
+ p = put_uint_r(v, w, ' ', p);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R(field) \
+ _PP_CONCAT_3(_TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R_, _, field)
+
+static void put_ctx(transport_log_message *const msg) {
+ _PP_MAP(_TRANSPORT_LOG_MESSAGE_FORMAT_INIT, TRANSPORT_LOG_MESSAGE_CTX_FORMAT)
+#if !_TRANSPORT_LOG_MESSAGE_FORMAT_FIELDS(TRANSPORT_LOG_MESSAGE_CTX_FORMAT)
+ VAR_UNUSED(msg);
+#else
+#if _TRANSPORT_LOG_MESSAGE_FORMAT_DATETIME_USED
+ struct tm tm;
+ unsigned msec;
+ g_time_cb(&tm, &msec);
+#endif
+#if _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS( \
+ PID, TRANSPORT_LOG_MESSAGE_CTX_FORMAT) || \
+ _TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(TID, \
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT)
+ int pid, tid;
+ g_pid_cb(&pid, &tid);
+#endif
+
+#if TRANSPORT_LOG_OPTIMIZE_SIZE
+ int n;
+ n = snprintf(msg->p, nprintf_size(msg),
+ _PP_MAP(_TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT,
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT)
+ _PP_MAP(_TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL,
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT));
+ put_nprintf(msg, n);
+#else
+ char buf[64];
+ char *const e = buf + sizeof(buf);
+ char *p = e;
+ _PP_RMAP(_TRANSPORT_LOG_MESSAGE_FORMAT_PUT_R,
+ TRANSPORT_LOG_MESSAGE_CTX_FORMAT)
+ msg->p = put_stringn(p, e, msg->p, msg->e);
+#endif
+#endif
+}
+
+#define PUT_TAG(msg, tag, prefix_delim, tag_delim) \
+ do { \
+ const char *ch; \
+ msg->tag_b = msg->p; \
+ if (0 != (ch = _transport_log_tag_prefix)) { \
+ for (; msg->e != msg->p && 0 != (*msg->p = *ch); ++msg->p, ++ch) { \
+ } \
+ } \
+ if (0 != (ch = tag) && 0 != tag[0]) { \
+ if (msg->tag_b != msg->p) { \
+ PUT_CSTR_CHECKED(msg->p, msg->e, prefix_delim); \
+ } \
+ for (; msg->e != msg->p && 0 != (*msg->p = *ch); ++msg->p, ++ch) { \
+ } \
+ } \
+ msg->tag_e = msg->p; \
+ if (msg->tag_b != msg->p) { \
+ PUT_CSTR_CHECKED(msg->p, msg->e, tag_delim); \
+ } \
+ } \
+ _TRANSPORT_LOG_ONCE
+
+/* Implements simple put statements for log message specification.
+ */
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__YEAR UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__MONTH UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__DAY UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__HOUR UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__MINUTE UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__SECOND UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__MILLISECOND UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__PID UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__TID UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__LEVEL UNDEFINED
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__TAG(pd, td) \
+ PUT_TAG(msg, tag, pd, td);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__FUNCTION \
+ msg->p = put_string(funcname(src->func), msg->p, msg->e);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__FILENAME \
+ msg->p = put_string(filename(src->file), msg->p, msg->e);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__FILELINE \
+ msg->p = put_uint(src->line, 0, '\0', msg->p, msg->e);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__S(s) \
+ PUT_CSTR_CHECKED(msg->p, msg->e, s);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__F_INIT(expr)
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT__F_UINT(w, v) \
+ msg->p = put_uint(v, w, ' ', msg->p, msg->e);
+#define _TRANSPORT_LOG_MESSAGE_FORMAT_PUT(field) \
+ _PP_CONCAT_3(_TRANSPORT_LOG_MESSAGE_FORMAT_PUT_, _, field)
+
+static void put_tag(transport_log_message *const msg, const char *const tag) {
+ _PP_MAP(_TRANSPORT_LOG_MESSAGE_FORMAT_INIT, TRANSPORT_LOG_MESSAGE_TAG_FORMAT)
+#if !_TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(TAG, \
+ TRANSPORT_LOG_MESSAGE_TAG_FORMAT)
+ VAR_UNUSED(tag);
+#endif
+#if !_TRANSPORT_LOG_MESSAGE_FORMAT_FIELDS(TRANSPORT_LOG_MESSAGE_TAG_FORMAT)
+ VAR_UNUSED(msg);
+#else
+ _PP_MAP(_TRANSPORT_LOG_MESSAGE_FORMAT_PUT, TRANSPORT_LOG_MESSAGE_TAG_FORMAT)
+#endif
+}
+
+static void put_src(transport_log_message *const msg,
+ const src_location *const src) {
+ _PP_MAP(_TRANSPORT_LOG_MESSAGE_FORMAT_INIT, TRANSPORT_LOG_MESSAGE_SRC_FORMAT)
+#if !_TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS( \
+ FUNCTION, TRANSPORT_LOG_MESSAGE_SRC_FORMAT) && \
+ !_TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS( \
+ FILENAME, TRANSPORT_LOG_MESSAGE_SRC_FORMAT) && \
+ !_TRANSPORT_LOG_MESSAGE_FORMAT_CONTAINS(FILELINE, \
+ TRANSPORT_LOG_MESSAGE_SRC_FORMAT)
+ VAR_UNUSED(src);
+#endif
+#if !_TRANSPORT_LOG_MESSAGE_FORMAT_FIELDS(TRANSPORT_LOG_MESSAGE_SRC_FORMAT)
+ VAR_UNUSED(msg);
+#else
+#if TRANSPORT_LOG_OPTIMIZE_SIZE
+ int n;
+ n = snprintf(msg->p, nprintf_size(msg),
+ _PP_MAP(_TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_FMT,
+ TRANSPORT_LOG_MESSAGE_SRC_FORMAT)
+ _PP_MAP(_TRANSPORT_LOG_MESSAGE_FORMAT_PRINTF_VAL,
+ TRANSPORT_LOG_MESSAGE_SRC_FORMAT));
+ put_nprintf(msg, n);
+#else
+ _PP_MAP(_TRANSPORT_LOG_MESSAGE_FORMAT_PUT, TRANSPORT_LOG_MESSAGE_SRC_FORMAT)
+#endif
+#endif
+}
+
+static void put_msg(transport_log_message *const msg, const char *const fmt,
+ va_list va) {
+ int n;
+ msg->msg_b = msg->p;
+ n = vsnprintf(msg->p, nprintf_size(msg), fmt, va);
+ put_nprintf(msg, n);
+}
+
+static void output_mem(const transport_log_spec *log,
+ transport_log_message *const msg,
+ const mem_block *const mem) {
+ if (0 == mem->d || 0 == mem->d_sz) {
+ return;
+ }
+ const unsigned char *mem_p = (const unsigned char *)mem->d;
+ const unsigned char *const mem_e = mem_p + mem->d_sz;
+ const unsigned char *mem_cut;
+ const ptrdiff_t mem_width = (ptrdiff_t)log->format->mem_width;
+ char *const hex_b = msg->msg_b;
+ char *const ascii_b = hex_b + 2 * mem_width + 2;
+ char *const ascii_e = ascii_b + mem_width;
+ if (msg->e < ascii_e) {
+ return;
+ }
+ while (mem_p != mem_e) {
+ char *hex = hex_b;
+ char *ascii = ascii_b;
+ for (mem_cut = mem_width < mem_e - mem_p ? mem_p + mem_width : mem_e;
+ mem_cut != mem_p; ++mem_p) {
+ const unsigned char ch = *mem_p;
+ *hex++ = c_hex[(0xf0 & ch) >> 4];
+ *hex++ = c_hex[(0x0f & ch)];
+ *ascii++ = isprint(ch) ? (char)ch : '?';
+ }
+ while (hex != ascii_b) {
+ *hex++ = ' ';
+ }
+ msg->p = ascii;
+ log->output->callback(msg, log->output->arg);
+ }
+}
+
+void transport_log_set_tag_prefix(const char *const prefix) {
+ _transport_log_tag_prefix = prefix;
+}
+
+void transport_log_set_mem_width(const unsigned w) {
+ _transport_log_global_format.mem_width = w;
+}
+
+void transport_log_set_output_level(const int lvl) {
+ _transport_log_global_output_lvl = lvl;
+}
+
+void transport_log_set_output_v(const unsigned mask, void *const arg,
+ const transport_log_output_cb callback) {
+ _transport_log_global_output.mask = mask;
+ _transport_log_global_output.arg = arg;
+ _transport_log_global_output.callback = callback;
+}
+
+static void _transport_log_write_imp(const transport_log_spec *log,
+ const src_location *const src,
+ const mem_block *const mem, const int lvl,
+ const char *const tag,
+ const char *const fmt, va_list va) {
+ transport_log_message msg;
+ char buf[TRANSPORT_LOG_BUF_SZ];
+ const unsigned mask = log->output->mask;
+ msg.lvl = lvl;
+ msg.tag = tag;
+ g_buffer_cb(&msg, buf);
+ if (TRANSPORT_LOG_PUT_CTX & mask) {
+ put_ctx(&msg);
+ }
+ if (TRANSPORT_LOG_PUT_TAG & mask) {
+ put_tag(&msg, tag);
+ }
+ if (0 != src && TRANSPORT_LOG_PUT_SRC & mask) {
+ put_src(&msg, src);
+ }
+ if (TRANSPORT_LOG_PUT_MSG & mask) {
+ put_msg(&msg, fmt, va);
+ }
+ log->output->callback(&msg, log->output->arg);
+ if (0 != mem && TRANSPORT_LOG_PUT_MSG & mask) {
+ output_mem(log, &msg, mem);
+ }
+}
+
+void _transport_log_write_d(const char *const func, const char *const file,
+ const unsigned line, const int lvl,
+ const char *const tag, const char *const fmt, ...) {
+ const src_location src = {func, file, line};
+ va_list va;
+ va_start(va, fmt);
+ _transport_log_write_imp(&global_spec, &src, 0, lvl, tag, fmt, va);
+ va_end(va);
+}
+
+void _transport_log_write_aux_d(const char *const func, const char *const file,
+ const unsigned line,
+ const transport_log_spec *const log,
+ const int lvl, const char *const tag,
+ const char *const fmt, ...) {
+ const src_location src = {func, file, line};
+ va_list va;
+ va_start(va, fmt);
+ _transport_log_write_imp(log, &src, 0, lvl, tag, fmt, va);
+ va_end(va);
+}
+
+void _transport_log_write(const int lvl, const char *const tag,
+ const char *const fmt, ...) {
+ va_list va;
+ va_start(va, fmt);
+ _transport_log_write_imp(&global_spec, 0, 0, lvl, tag, fmt, va);
+ va_end(va);
+}
+
+void _transport_log_write_aux(const transport_log_spec *const log,
+ const int lvl, const char *const tag,
+ const char *const fmt, ...) {
+ va_list va;
+ va_start(va, fmt);
+ _transport_log_write_imp(log, 0, 0, lvl, tag, fmt, va);
+ va_end(va);
+}
+
+void _transport_log_write_mem_d(const char *const func, const char *const file,
+ const unsigned line, const int lvl,
+ const char *const tag, const void *const d,
+ const unsigned d_sz, const char *const fmt,
+ ...) {
+ const src_location src = {func, file, line};
+ const mem_block mem = {d, d_sz};
+ va_list va;
+ va_start(va, fmt);
+ _transport_log_write_imp(&global_spec, &src, &mem, lvl, tag, fmt, va);
+ va_end(va);
+}
+
+void _transport_log_write_mem_aux_d(const char *const func,
+ const char *const file, const unsigned line,
+ const transport_log_spec *const log,
+ const int lvl, const char *const tag,
+ const void *const d, const unsigned d_sz,
+ const char *const fmt, ...) {
+ const src_location src = {func, file, line};
+ const mem_block mem = {d, d_sz};
+ va_list va;
+ va_start(va, fmt);
+ _transport_log_write_imp(log, &src, &mem, lvl, tag, fmt, va);
+ va_end(va);
+}
+
+void _transport_log_write_mem(const int lvl, const char *const tag,
+ const void *const d, const unsigned d_sz,
+ const char *const fmt, ...) {
+ const mem_block mem = {d, d_sz};
+ va_list va;
+ va_start(va, fmt);
+ _transport_log_write_imp(&global_spec, 0, &mem, lvl, tag, fmt, va);
+ va_end(va);
+}
+
+void _transport_log_write_mem_aux(const transport_log_spec *const log,
+ const int lvl, const char *const tag,
+ const void *const d, const unsigned d_sz,
+ const char *const fmt, ...) {
+ const mem_block mem = {d, d_sz};
+ va_list va;
+ va_start(va, fmt);
+ _transport_log_write_imp(log, 0, &mem, lvl, tag, fmt, va);
+ va_end(va);
+} \ No newline at end of file