e224a29d1c
Summary: This change drops the year from the copyright headers and the LICENSE file. Reviewed By: yungsters Differential Revision: D9727774 fbshipit-source-id: df4fc1e4390733fe774b1a160dd41b4a3d83302a
99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include <fb/log.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#define LOG_BUFFER_SIZE 4096
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static LogHandler gLogHandler;
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void setLogHandler(LogHandler logHandler) {
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gLogHandler = logHandler;
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}
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int fb_printLog(int prio, const char *tag, const char *fmt, ...) {
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char logBuffer[LOG_BUFFER_SIZE];
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va_list va_args;
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va_start(va_args, fmt);
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int result = vsnprintf(logBuffer, sizeof(logBuffer), fmt, va_args);
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va_end(va_args);
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if (gLogHandler != NULL) {
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gLogHandler(prio, tag, logBuffer);
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}
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__android_log_write(prio, tag, logBuffer);
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return result;
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}
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void logPrintByDelims(int priority, const char* tag, const char* delims,
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const char* msg, ...)
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{
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va_list ap;
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char buf[32768];
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char* context;
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char* tok;
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va_start(ap, msg);
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vsnprintf(buf, sizeof(buf), msg, ap);
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va_end(ap);
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tok = strtok_r(buf, delims, &context);
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if (!tok) {
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return;
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}
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do {
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__android_log_write(priority, tag, tok);
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} while ((tok = strtok_r(NULL, delims, &context)));
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}
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#ifndef ANDROID
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// Implementations of the basic android logging functions for non-android platforms.
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static char logTagChar(int prio) {
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switch (prio) {
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default:
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case ANDROID_LOG_UNKNOWN:
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case ANDROID_LOG_DEFAULT:
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case ANDROID_LOG_SILENT:
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return ' ';
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case ANDROID_LOG_VERBOSE:
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return 'V';
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case ANDROID_LOG_DEBUG:
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return 'D';
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case ANDROID_LOG_INFO:
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return 'I';
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case ANDROID_LOG_WARN:
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return 'W';
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case ANDROID_LOG_ERROR:
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return 'E';
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case ANDROID_LOG_FATAL:
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return 'F';
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}
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}
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int __android_log_write(int prio, const char *tag, const char *text) {
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return fprintf(stderr, "[%c/%.16s] %s\n", logTagChar(prio), tag, text);
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}
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int __android_log_print(int prio, const char *tag, const char *fmt, ...) {
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va_list ap;
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va_start(ap, fmt);
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int res = fprintf(stderr, "[%c/%.16s] ", logTagChar(prio), tag);
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res += vfprintf(stderr, "%s\n", ap);
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va_end(ap);
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return res;
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}
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#endif
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