mirror of
https://github.com/Ryujinx/SDL.git
synced 2025-01-24 13:21:08 +00:00
b72938c861
An existing hint lets apps that don't need the timer resolution changed avoid this, to save battery, etc, but this fixes several problems in timing, audio callbacks not firing fast enough, etc. Fixes Bugzilla #2944.
441 lines
12 KiB
C
441 lines
12 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "./SDL_internal.h"
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#if defined(__WIN32__) || defined(__WINRT__)
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#include "core/windows/SDL_windows.h"
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#endif
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/* Simple log messages in SDL */
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#include "SDL_error.h"
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#include "SDL_log.h"
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#if HAVE_STDIO_H
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#include <stdio.h>
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#endif
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#if defined(__ANDROID__)
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#include <android/log.h>
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#endif
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#define DEFAULT_PRIORITY SDL_LOG_PRIORITY_CRITICAL
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#define DEFAULT_ASSERT_PRIORITY SDL_LOG_PRIORITY_WARN
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#define DEFAULT_APPLICATION_PRIORITY SDL_LOG_PRIORITY_INFO
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#define DEFAULT_TEST_PRIORITY SDL_LOG_PRIORITY_VERBOSE
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typedef struct SDL_LogLevel
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{
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int category;
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SDL_LogPriority priority;
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struct SDL_LogLevel *next;
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} SDL_LogLevel;
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/* The default log output function */
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static void SDL_LogOutput(void *userdata,
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int category, SDL_LogPriority priority,
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const char *message);
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static SDL_LogLevel *SDL_loglevels;
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static SDL_LogPriority SDL_default_priority = DEFAULT_PRIORITY;
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static SDL_LogPriority SDL_assert_priority = DEFAULT_ASSERT_PRIORITY;
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static SDL_LogPriority SDL_application_priority = DEFAULT_APPLICATION_PRIORITY;
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static SDL_LogPriority SDL_test_priority = DEFAULT_TEST_PRIORITY;
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static SDL_LogOutputFunction SDL_log_function = SDL_LogOutput;
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static void *SDL_log_userdata = NULL;
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static const char *SDL_priority_prefixes[SDL_NUM_LOG_PRIORITIES] = {
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NULL,
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"VERBOSE",
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"DEBUG",
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"INFO",
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"WARN",
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"ERROR",
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"CRITICAL"
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};
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#ifdef __ANDROID__
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static const char *SDL_category_prefixes[SDL_LOG_CATEGORY_RESERVED1] = {
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"APP",
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"ERROR",
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"SYSTEM",
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"AUDIO",
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"VIDEO",
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"RENDER",
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"INPUT"
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};
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static int SDL_android_priority[SDL_NUM_LOG_PRIORITIES] = {
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ANDROID_LOG_UNKNOWN,
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ANDROID_LOG_VERBOSE,
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ANDROID_LOG_DEBUG,
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ANDROID_LOG_INFO,
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ANDROID_LOG_WARN,
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ANDROID_LOG_ERROR,
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ANDROID_LOG_FATAL
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};
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#endif /* __ANDROID__ */
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void
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SDL_LogSetAllPriority(SDL_LogPriority priority)
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{
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SDL_LogLevel *entry;
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for (entry = SDL_loglevels; entry; entry = entry->next) {
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entry->priority = priority;
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}
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SDL_default_priority = priority;
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SDL_assert_priority = priority;
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SDL_application_priority = priority;
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}
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void
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SDL_LogSetPriority(int category, SDL_LogPriority priority)
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{
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SDL_LogLevel *entry;
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for (entry = SDL_loglevels; entry; entry = entry->next) {
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if (entry->category == category) {
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entry->priority = priority;
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return;
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}
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}
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/* Create a new entry */
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entry = (SDL_LogLevel *)SDL_malloc(sizeof(*entry));
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if (entry) {
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entry->category = category;
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entry->priority = priority;
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entry->next = SDL_loglevels;
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SDL_loglevels = entry;
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}
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}
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SDL_LogPriority
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SDL_LogGetPriority(int category)
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{
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SDL_LogLevel *entry;
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for (entry = SDL_loglevels; entry; entry = entry->next) {
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if (entry->category == category) {
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return entry->priority;
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}
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}
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if (category == SDL_LOG_CATEGORY_TEST) {
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return SDL_test_priority;
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} else if (category == SDL_LOG_CATEGORY_APPLICATION) {
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return SDL_application_priority;
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} else if (category == SDL_LOG_CATEGORY_ASSERT) {
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return SDL_assert_priority;
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} else {
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return SDL_default_priority;
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}
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}
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void
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SDL_LogResetPriorities(void)
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{
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SDL_LogLevel *entry;
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while (SDL_loglevels) {
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entry = SDL_loglevels;
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SDL_loglevels = entry->next;
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SDL_free(entry);
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}
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SDL_default_priority = DEFAULT_PRIORITY;
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SDL_assert_priority = DEFAULT_ASSERT_PRIORITY;
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SDL_application_priority = DEFAULT_APPLICATION_PRIORITY;
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SDL_test_priority = DEFAULT_TEST_PRIORITY;
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}
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void
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SDL_Log(SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, fmt, ap);
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va_end(ap);
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}
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void
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SDL_LogVerbose(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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SDL_LogMessageV(category, SDL_LOG_PRIORITY_VERBOSE, fmt, ap);
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va_end(ap);
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}
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void
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SDL_LogDebug(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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SDL_LogMessageV(category, SDL_LOG_PRIORITY_DEBUG, fmt, ap);
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va_end(ap);
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}
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void
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SDL_LogInfo(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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SDL_LogMessageV(category, SDL_LOG_PRIORITY_INFO, fmt, ap);
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va_end(ap);
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}
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void
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SDL_LogWarn(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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SDL_LogMessageV(category, SDL_LOG_PRIORITY_WARN, fmt, ap);
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va_end(ap);
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}
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void
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SDL_LogError(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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SDL_LogMessageV(category, SDL_LOG_PRIORITY_ERROR, fmt, ap);
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va_end(ap);
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}
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void
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SDL_LogCritical(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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SDL_LogMessageV(category, SDL_LOG_PRIORITY_CRITICAL, fmt, ap);
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va_end(ap);
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}
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void
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SDL_LogMessage(int category, SDL_LogPriority priority, SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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SDL_LogMessageV(category, priority, fmt, ap);
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va_end(ap);
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}
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#ifdef __ANDROID__
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static const char *
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GetCategoryPrefix(int category)
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{
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if (category < SDL_LOG_CATEGORY_RESERVED1) {
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return SDL_category_prefixes[category];
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}
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if (category < SDL_LOG_CATEGORY_CUSTOM) {
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return "RESERVED";
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}
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return "CUSTOM";
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}
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#endif /* __ANDROID__ */
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void
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SDL_LogMessageV(int category, SDL_LogPriority priority, const char *fmt, va_list ap)
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{
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char *message;
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size_t len;
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/* Nothing to do if we don't have an output function */
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if (!SDL_log_function) {
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return;
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}
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/* Make sure we don't exceed array bounds */
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if ((int)priority < 0 || priority >= SDL_NUM_LOG_PRIORITIES) {
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return;
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}
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/* See if we want to do anything with this message */
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if (priority < SDL_LogGetPriority(category)) {
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return;
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}
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message = SDL_stack_alloc(char, SDL_MAX_LOG_MESSAGE);
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if (!message) {
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return;
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}
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SDL_vsnprintf(message, SDL_MAX_LOG_MESSAGE, fmt, ap);
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/* Chop off final endline. */
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len = SDL_strlen(message);
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if ((len > 0) && (message[len-1] == '\n')) {
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message[--len] = '\0';
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if ((len > 0) && (message[len-1] == '\r')) { /* catch "\r\n", too. */
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message[--len] = '\0';
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}
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}
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SDL_log_function(SDL_log_userdata, category, priority, message);
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SDL_stack_free(message);
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}
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#if defined(__WIN32__)
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/* Flag tracking the attachment of the console: 0=unattached, 1=attached, -1=error */
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static int consoleAttached = 0;
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/* Handle to stderr output of console. */
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static HANDLE stderrHandle = NULL;
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#endif
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static void
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SDL_LogOutput(void *userdata, int category, SDL_LogPriority priority,
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const char *message)
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{
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#if defined(__WIN32__) || defined(__WINRT__)
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/* Way too many allocations here, urgh */
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/* Note: One can't call SDL_SetError here, since that function itself logs. */
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{
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char *output;
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size_t length;
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LPTSTR tstr;
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#ifndef __WINRT__
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BOOL attachResult;
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DWORD attachError;
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unsigned long charsWritten;
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/* Maybe attach console and get stderr handle */
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if (consoleAttached == 0) {
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attachResult = AttachConsole(ATTACH_PARENT_PROCESS);
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if (!attachResult) {
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attachError = GetLastError();
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if (attachError == ERROR_INVALID_HANDLE) {
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OutputDebugString(TEXT("Parent process has no console\r\n"));
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consoleAttached = -1;
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} else if (attachError == ERROR_GEN_FAILURE) {
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OutputDebugString(TEXT("Could not attach to console of parent process\r\n"));
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consoleAttached = -1;
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} else if (attachError == ERROR_ACCESS_DENIED) {
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/* Already attached */
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consoleAttached = 1;
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} else {
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OutputDebugString(TEXT("Error attaching console\r\n"));
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consoleAttached = -1;
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}
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} else {
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/* Newly attached */
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consoleAttached = 1;
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}
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if (consoleAttached == 1) {
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stderrHandle = GetStdHandle(STD_ERROR_HANDLE);
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}
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}
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#endif /* ifndef __WINRT__ */
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length = SDL_strlen(SDL_priority_prefixes[priority]) + 2 + SDL_strlen(message) + 1 + 1 + 1;
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output = SDL_stack_alloc(char, length);
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SDL_snprintf(output, length, "%s: %s\r\n", SDL_priority_prefixes[priority], message);
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tstr = WIN_UTF8ToString(output);
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/* Output to debugger */
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OutputDebugString(tstr);
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#ifndef __WINRT__
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/* Screen output to stderr, if console was attached. */
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if (consoleAttached == 1) {
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if (!WriteConsole(stderrHandle, tstr, lstrlen(tstr), &charsWritten, NULL)) {
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OutputDebugString(TEXT("Error calling WriteConsole\r\n"));
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}
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if (charsWritten == ERROR_NOT_ENOUGH_MEMORY) {
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OutputDebugString(TEXT("Insufficient heap memory to write message\r\n"));
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}
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}
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#endif /* ifndef __WINRT__ */
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SDL_free(tstr);
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SDL_stack_free(output);
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}
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#elif defined(__ANDROID__)
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{
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char tag[32];
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SDL_snprintf(tag, SDL_arraysize(tag), "SDL/%s", GetCategoryPrefix(category));
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__android_log_write(SDL_android_priority[priority], tag, message);
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}
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#elif defined(__APPLE__) && defined(SDL_VIDEO_DRIVER_COCOA)
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/* Technically we don't need SDL_VIDEO_DRIVER_COCOA, but that's where this function is defined for now.
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*/
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extern void SDL_NSLog(const char *text);
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{
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char *text;
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text = SDL_stack_alloc(char, SDL_MAX_LOG_MESSAGE);
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if (text) {
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SDL_snprintf(text, SDL_MAX_LOG_MESSAGE, "%s: %s", SDL_priority_prefixes[priority], message);
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SDL_NSLog(text);
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SDL_stack_free(text);
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return;
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}
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}
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#elif defined(__PSP__)
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{
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FILE* pFile;
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pFile = fopen ("SDL_Log.txt", "a");
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fprintf(pFile, "%s: %s\n", SDL_priority_prefixes[priority], message);
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fclose (pFile);
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}
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#endif
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#if HAVE_STDIO_H
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fprintf(stderr, "%s: %s\n", SDL_priority_prefixes[priority], message);
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#if __NACL__
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fflush(stderr);
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#endif
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#endif
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}
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void
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SDL_LogGetOutputFunction(SDL_LogOutputFunction *callback, void **userdata)
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{
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if (callback) {
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*callback = SDL_log_function;
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}
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if (userdata) {
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*userdata = SDL_log_userdata;
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}
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}
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void
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SDL_LogSetOutputFunction(SDL_LogOutputFunction callback, void *userdata)
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{
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SDL_log_function = callback;
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SDL_log_userdata = userdata;
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}
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/* vi: set ts=4 sw=4 expandtab: */
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