162 lines
4.3 KiB
C
162 lines
4.3 KiB
C
/*
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* Copyright © 2017 Google, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <stdarg.h>
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#ifdef ANDROID
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#include <android/log.h>
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#else
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#include <stdio.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include "util/detect_os.h"
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#include "util/log.h"
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#include "util/ralloc.h"
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#ifdef ANDROID
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static inline android_LogPriority
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level_to_android(enum mesa_log_level l)
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{
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switch (l) {
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case MESA_LOG_ERROR: return ANDROID_LOG_ERROR;
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case MESA_LOG_WARN: return ANDROID_LOG_WARN;
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case MESA_LOG_INFO: return ANDROID_LOG_INFO;
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case MESA_LOG_DEBUG: return ANDROID_LOG_DEBUG;
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}
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unreachable("bad mesa_log_level");
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}
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#endif
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#ifndef ANDROID
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static inline const char *
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level_to_str(enum mesa_log_level l)
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{
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switch (l) {
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case MESA_LOG_ERROR: return "error";
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case MESA_LOG_WARN: return "warning";
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case MESA_LOG_INFO: return "info";
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case MESA_LOG_DEBUG: return "debug";
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}
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unreachable("bad mesa_log_level");
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}
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#endif
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void
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mesa_log(enum mesa_log_level level, const char *tag, const char *format, ...)
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{
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va_list va;
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va_start(va, format);
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mesa_log_v(level, tag, format, va);
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va_end(va);
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}
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void
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mesa_log_v(enum mesa_log_level level, const char *tag, const char *format,
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va_list va)
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{
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#ifdef ANDROID
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__android_log_vprint(level_to_android(level), tag, format, va);
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#else
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#if !DETECT_OS_WINDOWS
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flockfile(stderr);
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#endif
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fprintf(stderr, "%s: %s: ", tag, level_to_str(level));
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vfprintf(stderr, format, va);
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if (format[strlen(format) - 1] != '\n')
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fprintf(stderr, "\n");
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#if !DETECT_OS_WINDOWS
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funlockfile(stderr);
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#endif
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#endif
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}
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struct log_stream *
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_mesa_log_stream_create(enum mesa_log_level level, char *tag)
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{
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struct log_stream *stream = ralloc(NULL, struct log_stream);
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stream->level = level;
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stream->tag = tag;
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stream->msg = ralloc_strdup(stream, "");
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stream->pos = 0;
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return stream;
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}
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void
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mesa_log_stream_destroy(struct log_stream *stream)
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{
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/* If you left trailing stuff in the log stream, flush it out as a line. */
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if (stream->pos != 0)
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mesa_log(stream->level, stream->tag, "%s", stream->msg);
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ralloc_free(stream);
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}
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static void
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mesa_log_stream_flush(struct log_stream *stream, size_t scan_offset)
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{
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char *end;
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char *next = stream->msg;
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while ((end = strchr(stream->msg + scan_offset, '\n'))) {
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*end = 0;
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mesa_log(stream->level, stream->tag, "%s", next);
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next = end + 1;
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scan_offset = next - stream->msg;
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}
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if (next != stream->msg) {
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/* Clear out the lines we printed and move any trailing chars to the start. */
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size_t remaining = stream->msg + stream->pos - next;
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memmove(stream->msg, next, remaining);
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stream->pos = remaining;
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}
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}
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void mesa_log_stream_printf(struct log_stream *stream, const char *format, ...)
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{
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size_t old_pos = stream->pos;
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va_list va;
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va_start(va, format);
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ralloc_vasprintf_rewrite_tail(&stream->msg, &stream->pos, format, va);
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va_end(va);
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mesa_log_stream_flush(stream, old_pos);
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}
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void
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_mesa_log_multiline(enum mesa_log_level level, const char *tag, const char *lines)
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{
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struct log_stream tmp = {
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.level = level,
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.tag = tag,
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.msg = strdup(lines),
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.pos = strlen(lines),
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};
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mesa_log_stream_flush(&tmp, 0);
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free(tmp.msg);
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}
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