1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/mac/GTMLogger.m Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,612 @@
1.4 +//
1.5 +// GTMLogger.m
1.6 +//
1.7 +// Copyright 2007-2008 Google Inc.
1.8 +//
1.9 +// Licensed under the Apache License, Version 2.0 (the "License"); you may not
1.10 +// use this file except in compliance with the License. You may obtain a copy
1.11 +// of the License at
1.12 +//
1.13 +// http://www.apache.org/licenses/LICENSE-2.0
1.14 +//
1.15 +// Unless required by applicable law or agreed to in writing, software
1.16 +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
1.17 +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
1.18 +// License for the specific language governing permissions and limitations under
1.19 +// the License.
1.20 +//
1.21 +
1.22 +#import "GTMLogger.h"
1.23 +#import "GTMGarbageCollection.h"
1.24 +#import <fcntl.h>
1.25 +#import <unistd.h>
1.26 +#import <stdlib.h>
1.27 +#import <pthread.h>
1.28 +
1.29 +
1.30 +#if !defined(__clang__) && (__GNUC__*10+__GNUC_MINOR__ >= 42)
1.31 +// Some versions of GCC (4.2 and below AFAIK) aren't great about supporting
1.32 +// -Wmissing-format-attribute
1.33 +// when the function is anything more complex than foo(NSString *fmt, ...).
1.34 +// You see the error inside the function when you turn ... into va_args and
1.35 +// attempt to call another function (like vsprintf for example).
1.36 +// So we just shut off the warning for this file. We reenable it at the end.
1.37 +#pragma GCC diagnostic ignored "-Wmissing-format-attribute"
1.38 +#endif // !__clang__
1.39 +
1.40 +// Reference to the shared GTMLogger instance. This is not a singleton, it's
1.41 +// just an easy reference to one shared instance.
1.42 +static GTMLogger *gSharedLogger = nil;
1.43 +
1.44 +
1.45 +@implementation GTMLogger
1.46 +
1.47 +// Returns a pointer to the shared logger instance. If none exists, a standard
1.48 +// logger is created and returned.
1.49 ++ (id)sharedLogger {
1.50 + @synchronized(self) {
1.51 + if (gSharedLogger == nil) {
1.52 + gSharedLogger = [[self standardLogger] retain];
1.53 + }
1.54 + }
1.55 + return [[gSharedLogger retain] autorelease];
1.56 +}
1.57 +
1.58 ++ (void)setSharedLogger:(GTMLogger *)logger {
1.59 + @synchronized(self) {
1.60 + [gSharedLogger autorelease];
1.61 + gSharedLogger = [logger retain];
1.62 + }
1.63 +}
1.64 +
1.65 ++ (id)standardLogger {
1.66 + // Don't trust NSFileHandle not to throw
1.67 + @try {
1.68 + id<GTMLogWriter> writer = [NSFileHandle fileHandleWithStandardOutput];
1.69 + id<GTMLogFormatter> fr = [[[GTMLogStandardFormatter alloc] init]
1.70 + autorelease];
1.71 + id<GTMLogFilter> filter = [[[GTMLogLevelFilter alloc] init] autorelease];
1.72 + return [[[self alloc] initWithWriter:writer
1.73 + formatter:fr
1.74 + filter:filter] autorelease];
1.75 + }
1.76 + @catch (id e) {
1.77 + // Ignored
1.78 + }
1.79 + return nil;
1.80 +}
1.81 +
1.82 ++ (id)standardLoggerWithStderr {
1.83 + // Don't trust NSFileHandle not to throw
1.84 + @try {
1.85 + id me = [self standardLogger];
1.86 + [me setWriter:[NSFileHandle fileHandleWithStandardError]];
1.87 + return me;
1.88 + }
1.89 + @catch (id e) {
1.90 + // Ignored
1.91 + }
1.92 + return nil;
1.93 +}
1.94 +
1.95 ++ (id)standardLoggerWithStdoutAndStderr {
1.96 + // We're going to take advantage of the GTMLogger to GTMLogWriter adaptor
1.97 + // and create a composite logger that an outer "standard" logger can use
1.98 + // as a writer. Our inner loggers should apply no formatting since the main
1.99 + // logger does that and we want the caller to be able to change formatters
1.100 + // or add writers without knowing the inner structure of our composite.
1.101 +
1.102 + // Don't trust NSFileHandle not to throw
1.103 + @try {
1.104 + GTMLogBasicFormatter *formatter = [[[GTMLogBasicFormatter alloc] init]
1.105 + autorelease];
1.106 + GTMLogger *stdoutLogger =
1.107 + [self loggerWithWriter:[NSFileHandle fileHandleWithStandardOutput]
1.108 + formatter:formatter
1.109 + filter:[[[GTMLogMaximumLevelFilter alloc]
1.110 + initWithMaximumLevel:kGTMLoggerLevelInfo]
1.111 + autorelease]];
1.112 + GTMLogger *stderrLogger =
1.113 + [self loggerWithWriter:[NSFileHandle fileHandleWithStandardError]
1.114 + formatter:formatter
1.115 + filter:[[[GTMLogMininumLevelFilter alloc]
1.116 + initWithMinimumLevel:kGTMLoggerLevelError]
1.117 + autorelease]];
1.118 + GTMLogger *compositeWriter =
1.119 + [self loggerWithWriter:[NSArray arrayWithObjects:
1.120 + stdoutLogger, stderrLogger, nil]
1.121 + formatter:formatter
1.122 + filter:[[[GTMLogNoFilter alloc] init] autorelease]];
1.123 + GTMLogger *outerLogger = [self standardLogger];
1.124 + [outerLogger setWriter:compositeWriter];
1.125 + return outerLogger;
1.126 + }
1.127 + @catch (id e) {
1.128 + // Ignored
1.129 + }
1.130 + return nil;
1.131 +}
1.132 +
1.133 ++ (id)standardLoggerWithPath:(NSString *)path {
1.134 + @try {
1.135 + NSFileHandle *fh = [NSFileHandle fileHandleForLoggingAtPath:path mode:0644];
1.136 + if (fh == nil) return nil;
1.137 + id me = [self standardLogger];
1.138 + [me setWriter:fh];
1.139 + return me;
1.140 + }
1.141 + @catch (id e) {
1.142 + // Ignored
1.143 + }
1.144 + return nil;
1.145 +}
1.146 +
1.147 ++ (id)loggerWithWriter:(id<GTMLogWriter>)writer
1.148 + formatter:(id<GTMLogFormatter>)formatter
1.149 + filter:(id<GTMLogFilter>)filter {
1.150 + return [[[self alloc] initWithWriter:writer
1.151 + formatter:formatter
1.152 + filter:filter] autorelease];
1.153 +}
1.154 +
1.155 ++ (id)logger {
1.156 + return [[[self alloc] init] autorelease];
1.157 +}
1.158 +
1.159 +- (id)init {
1.160 + return [self initWithWriter:nil formatter:nil filter:nil];
1.161 +}
1.162 +
1.163 +- (id)initWithWriter:(id<GTMLogWriter>)writer
1.164 + formatter:(id<GTMLogFormatter>)formatter
1.165 + filter:(id<GTMLogFilter>)filter {
1.166 + if ((self = [super init])) {
1.167 + [self setWriter:writer];
1.168 + [self setFormatter:formatter];
1.169 + [self setFilter:filter];
1.170 + }
1.171 + return self;
1.172 +}
1.173 +
1.174 +- (void)dealloc {
1.175 + // Unlikely, but |writer_| may be an NSFileHandle, which can throw
1.176 + @try {
1.177 + [formatter_ release];
1.178 + [filter_ release];
1.179 + [writer_ release];
1.180 + }
1.181 + @catch (id e) {
1.182 + // Ignored
1.183 + }
1.184 + [super dealloc];
1.185 +}
1.186 +
1.187 +- (id<GTMLogWriter>)writer {
1.188 + return [[writer_ retain] autorelease];
1.189 +}
1.190 +
1.191 +- (void)setWriter:(id<GTMLogWriter>)writer {
1.192 + @synchronized(self) {
1.193 + [writer_ autorelease];
1.194 + writer_ = nil;
1.195 + if (writer == nil) {
1.196 + // Try to use stdout, but don't trust NSFileHandle
1.197 + @try {
1.198 + writer_ = [[NSFileHandle fileHandleWithStandardOutput] retain];
1.199 + }
1.200 + @catch (id e) {
1.201 + // Leave |writer_| nil
1.202 + }
1.203 + } else {
1.204 + writer_ = [writer retain];
1.205 + }
1.206 + }
1.207 +}
1.208 +
1.209 +- (id<GTMLogFormatter>)formatter {
1.210 + return [[formatter_ retain] autorelease];
1.211 +}
1.212 +
1.213 +- (void)setFormatter:(id<GTMLogFormatter>)formatter {
1.214 + @synchronized(self) {
1.215 + [formatter_ autorelease];
1.216 + formatter_ = nil;
1.217 + if (formatter == nil) {
1.218 + @try {
1.219 + formatter_ = [[GTMLogBasicFormatter alloc] init];
1.220 + }
1.221 + @catch (id e) {
1.222 + // Leave |formatter_| nil
1.223 + }
1.224 + } else {
1.225 + formatter_ = [formatter retain];
1.226 + }
1.227 + }
1.228 +}
1.229 +
1.230 +- (id<GTMLogFilter>)filter {
1.231 + return [[filter_ retain] autorelease];
1.232 +}
1.233 +
1.234 +- (void)setFilter:(id<GTMLogFilter>)filter {
1.235 + @synchronized(self) {
1.236 + [filter_ autorelease];
1.237 + filter_ = nil;
1.238 + if (filter == nil) {
1.239 + @try {
1.240 + filter_ = [[GTMLogNoFilter alloc] init];
1.241 + }
1.242 + @catch (id e) {
1.243 + // Leave |filter_| nil
1.244 + }
1.245 + } else {
1.246 + filter_ = [filter retain];
1.247 + }
1.248 + }
1.249 +}
1.250 +
1.251 +- (void)logDebug:(NSString *)fmt, ... {
1.252 + va_list args;
1.253 + va_start(args, fmt);
1.254 + [self logInternalFunc:NULL format:fmt valist:args level:kGTMLoggerLevelDebug];
1.255 + va_end(args);
1.256 +}
1.257 +
1.258 +- (void)logInfo:(NSString *)fmt, ... {
1.259 + va_list args;
1.260 + va_start(args, fmt);
1.261 + [self logInternalFunc:NULL format:fmt valist:args level:kGTMLoggerLevelInfo];
1.262 + va_end(args);
1.263 +}
1.264 +
1.265 +- (void)logError:(NSString *)fmt, ... {
1.266 + va_list args;
1.267 + va_start(args, fmt);
1.268 + [self logInternalFunc:NULL format:fmt valist:args level:kGTMLoggerLevelError];
1.269 + va_end(args);
1.270 +}
1.271 +
1.272 +- (void)logAssert:(NSString *)fmt, ... {
1.273 + va_list args;
1.274 + va_start(args, fmt);
1.275 + [self logInternalFunc:NULL format:fmt valist:args level:kGTMLoggerLevelAssert];
1.276 + va_end(args);
1.277 +}
1.278 +
1.279 +@end // GTMLogger
1.280 +
1.281 +@implementation GTMLogger (GTMLoggerMacroHelpers)
1.282 +
1.283 +- (void)logFuncDebug:(const char *)func msg:(NSString *)fmt, ... {
1.284 + va_list args;
1.285 + va_start(args, fmt);
1.286 + [self logInternalFunc:func format:fmt valist:args level:kGTMLoggerLevelDebug];
1.287 + va_end(args);
1.288 +}
1.289 +
1.290 +- (void)logFuncInfo:(const char *)func msg:(NSString *)fmt, ... {
1.291 + va_list args;
1.292 + va_start(args, fmt);
1.293 + [self logInternalFunc:func format:fmt valist:args level:kGTMLoggerLevelInfo];
1.294 + va_end(args);
1.295 +}
1.296 +
1.297 +- (void)logFuncError:(const char *)func msg:(NSString *)fmt, ... {
1.298 + va_list args;
1.299 + va_start(args, fmt);
1.300 + [self logInternalFunc:func format:fmt valist:args level:kGTMLoggerLevelError];
1.301 + va_end(args);
1.302 +}
1.303 +
1.304 +- (void)logFuncAssert:(const char *)func msg:(NSString *)fmt, ... {
1.305 + va_list args;
1.306 + va_start(args, fmt);
1.307 + [self logInternalFunc:func format:fmt valist:args level:kGTMLoggerLevelAssert];
1.308 + va_end(args);
1.309 +}
1.310 +
1.311 +@end // GTMLoggerMacroHelpers
1.312 +
1.313 +@implementation GTMLogger (PrivateMethods)
1.314 +
1.315 +- (void)logInternalFunc:(const char *)func
1.316 + format:(NSString *)fmt
1.317 + valist:(va_list)args
1.318 + level:(GTMLoggerLevel)level {
1.319 + // Primary point where logging happens, logging should never throw, catch
1.320 + // everything.
1.321 + @try {
1.322 + NSString *fname = func ? [NSString stringWithUTF8String:func] : nil;
1.323 + NSString *msg = [formatter_ stringForFunc:fname
1.324 + withFormat:fmt
1.325 + valist:args
1.326 + level:level];
1.327 + if (msg && [filter_ filterAllowsMessage:msg level:level])
1.328 + [writer_ logMessage:msg level:level];
1.329 + }
1.330 + @catch (id e) {
1.331 + // Ignored
1.332 + }
1.333 +}
1.334 +
1.335 +@end // PrivateMethods
1.336 +
1.337 +
1.338 +@implementation NSFileHandle (GTMFileHandleLogWriter)
1.339 +
1.340 ++ (id)fileHandleForLoggingAtPath:(NSString *)path mode:(mode_t)mode {
1.341 + int fd = -1;
1.342 + if (path) {
1.343 + int flags = O_WRONLY | O_APPEND | O_CREAT;
1.344 + fd = open([path fileSystemRepresentation], flags, mode);
1.345 + }
1.346 + if (fd == -1) return nil;
1.347 + return [[[self alloc] initWithFileDescriptor:fd
1.348 + closeOnDealloc:YES] autorelease];
1.349 +}
1.350 +
1.351 +- (void)logMessage:(NSString *)msg level:(GTMLoggerLevel)level {
1.352 + @synchronized(self) {
1.353 + // Closed pipes should not generate exceptions in our caller. Catch here
1.354 + // as well [GTMLogger logInternalFunc:...] so that an exception in this
1.355 + // writer does not prevent other writers from having a chance.
1.356 + @try {
1.357 + NSString *line = [NSString stringWithFormat:@"%@\n", msg];
1.358 + [self writeData:[line dataUsingEncoding:NSUTF8StringEncoding]];
1.359 + }
1.360 + @catch (id e) {
1.361 + // Ignored
1.362 + }
1.363 + }
1.364 +}
1.365 +
1.366 +@end // GTMFileHandleLogWriter
1.367 +
1.368 +
1.369 +@implementation NSArray (GTMArrayCompositeLogWriter)
1.370 +
1.371 +- (void)logMessage:(NSString *)msg level:(GTMLoggerLevel)level {
1.372 + @synchronized(self) {
1.373 + id<GTMLogWriter> child = nil;
1.374 + GTM_FOREACH_OBJECT(child, self) {
1.375 + if ([child conformsToProtocol:@protocol(GTMLogWriter)])
1.376 + [child logMessage:msg level:level];
1.377 + }
1.378 + }
1.379 +}
1.380 +
1.381 +@end // GTMArrayCompositeLogWriter
1.382 +
1.383 +
1.384 +@implementation GTMLogger (GTMLoggerLogWriter)
1.385 +
1.386 +- (void)logMessage:(NSString *)msg level:(GTMLoggerLevel)level {
1.387 + switch (level) {
1.388 + case kGTMLoggerLevelDebug:
1.389 + [self logDebug:@"%@", msg];
1.390 + break;
1.391 + case kGTMLoggerLevelInfo:
1.392 + [self logInfo:@"%@", msg];
1.393 + break;
1.394 + case kGTMLoggerLevelError:
1.395 + [self logError:@"%@", msg];
1.396 + break;
1.397 + case kGTMLoggerLevelAssert:
1.398 + [self logAssert:@"%@", msg];
1.399 + break;
1.400 + default:
1.401 + // Ignore the message.
1.402 + break;
1.403 + }
1.404 +}
1.405 +
1.406 +@end // GTMLoggerLogWriter
1.407 +
1.408 +
1.409 +@implementation GTMLogBasicFormatter
1.410 +
1.411 +- (NSString *)prettyNameForFunc:(NSString *)func {
1.412 + NSString *name = [func stringByTrimmingCharactersInSet:
1.413 + [NSCharacterSet whitespaceAndNewlineCharacterSet]];
1.414 + NSString *function = @"(unknown)";
1.415 + if ([name length]) {
1.416 + if (// Objective C __func__ and __PRETTY_FUNCTION__
1.417 + [name hasPrefix:@"-["] || [name hasPrefix:@"+["] ||
1.418 + // C++ __PRETTY_FUNCTION__ and other preadorned formats
1.419 + [name hasSuffix:@")"]) {
1.420 + function = name;
1.421 + } else {
1.422 + // Assume C99 __func__
1.423 + function = [NSString stringWithFormat:@"%@()", name];
1.424 + }
1.425 + }
1.426 + return function;
1.427 +}
1.428 +
1.429 +- (NSString *)stringForFunc:(NSString *)func
1.430 + withFormat:(NSString *)fmt
1.431 + valist:(va_list)args
1.432 + level:(GTMLoggerLevel)level {
1.433 + // Performance note: We may want to do a quick check here to see if |fmt|
1.434 + // contains a '%', and if not, simply return 'fmt'.
1.435 + if (!(fmt && args)) return nil;
1.436 + return [[[NSString alloc] initWithFormat:fmt arguments:args] autorelease];
1.437 +}
1.438 +
1.439 +@end // GTMLogBasicFormatter
1.440 +
1.441 +
1.442 +@implementation GTMLogStandardFormatter
1.443 +
1.444 +- (id)init {
1.445 + if ((self = [super init])) {
1.446 + dateFormatter_ = [[NSDateFormatter alloc] init];
1.447 + [dateFormatter_ setFormatterBehavior:NSDateFormatterBehavior10_4];
1.448 + [dateFormatter_ setDateFormat:@"yyyy-MM-dd HH:mm:ss.SSS"];
1.449 + pname_ = [[[NSProcessInfo processInfo] processName] copy];
1.450 + pid_ = [[NSProcessInfo processInfo] processIdentifier];
1.451 + if (!(dateFormatter_ && pname_)) {
1.452 + [self release];
1.453 + return nil;
1.454 + }
1.455 + }
1.456 + return self;
1.457 +}
1.458 +
1.459 +- (void)dealloc {
1.460 + [dateFormatter_ release];
1.461 + [pname_ release];
1.462 + [super dealloc];
1.463 +}
1.464 +
1.465 +- (NSString *)stringForFunc:(NSString *)func
1.466 + withFormat:(NSString *)fmt
1.467 + valist:(va_list)args
1.468 + level:(GTMLoggerLevel)level {
1.469 + NSString *tstamp = nil;
1.470 + @synchronized (dateFormatter_) {
1.471 + tstamp = [dateFormatter_ stringFromDate:[NSDate date]];
1.472 + }
1.473 + return [NSString stringWithFormat:@"%@ %@[%d/%p] [lvl=%d] %@ %@",
1.474 + tstamp, pname_, pid_, pthread_self(),
1.475 + level, [self prettyNameForFunc:func],
1.476 + // |super| has guard for nil |fmt| and |args|
1.477 + [super stringForFunc:func withFormat:fmt valist:args level:level]];
1.478 +}
1.479 +
1.480 +@end // GTMLogStandardFormatter
1.481 +
1.482 +
1.483 +@implementation GTMLogLevelFilter
1.484 +
1.485 +// Check the environment and the user preferences for the GTMVerboseLogging key
1.486 +// to see if verbose logging has been enabled. The environment variable will
1.487 +// override the defaults setting, so check the environment first.
1.488 +// COV_NF_START
1.489 +static BOOL IsVerboseLoggingEnabled(void) {
1.490 + static NSString *const kVerboseLoggingKey = @"GTMVerboseLogging";
1.491 + NSString *value = [[[NSProcessInfo processInfo] environment]
1.492 + objectForKey:kVerboseLoggingKey];
1.493 + if (value) {
1.494 + // Emulate [NSString boolValue] for pre-10.5
1.495 + value = [value stringByTrimmingCharactersInSet:
1.496 + [NSCharacterSet whitespaceAndNewlineCharacterSet]];
1.497 + if ([[value uppercaseString] hasPrefix:@"Y"] ||
1.498 + [[value uppercaseString] hasPrefix:@"T"] ||
1.499 + [value intValue]) {
1.500 + return YES;
1.501 + } else {
1.502 + return NO;
1.503 + }
1.504 + }
1.505 + return [[NSUserDefaults standardUserDefaults] boolForKey:kVerboseLoggingKey];
1.506 +}
1.507 +// COV_NF_END
1.508 +
1.509 +// In DEBUG builds, log everything. If we're not in a debug build we'll assume
1.510 +// that we're in a Release build.
1.511 +- (BOOL)filterAllowsMessage:(NSString *)msg level:(GTMLoggerLevel)level {
1.512 +#if DEBUG
1.513 + return YES;
1.514 +#endif
1.515 +
1.516 + BOOL allow = YES;
1.517 +
1.518 + switch (level) {
1.519 + case kGTMLoggerLevelDebug:
1.520 + allow = NO;
1.521 + break;
1.522 + case kGTMLoggerLevelInfo:
1.523 + allow = IsVerboseLoggingEnabled();
1.524 + break;
1.525 + case kGTMLoggerLevelError:
1.526 + allow = YES;
1.527 + break;
1.528 + case kGTMLoggerLevelAssert:
1.529 + allow = YES;
1.530 + break;
1.531 + default:
1.532 + allow = YES;
1.533 + break;
1.534 + }
1.535 +
1.536 + return allow;
1.537 +}
1.538 +
1.539 +@end // GTMLogLevelFilter
1.540 +
1.541 +
1.542 +@implementation GTMLogNoFilter
1.543 +
1.544 +- (BOOL)filterAllowsMessage:(NSString *)msg level:(GTMLoggerLevel)level {
1.545 + return YES; // Allow everything through
1.546 +}
1.547 +
1.548 +@end // GTMLogNoFilter
1.549 +
1.550 +
1.551 +@implementation GTMLogAllowedLevelFilter
1.552 +
1.553 +// Private designated initializer
1.554 +- (id)initWithAllowedLevels:(NSIndexSet *)levels {
1.555 + self = [super init];
1.556 + if (self != nil) {
1.557 + allowedLevels_ = [levels retain];
1.558 + // Cap min/max level
1.559 + if (!allowedLevels_ ||
1.560 + // NSIndexSet is unsigned so only check the high bound, but need to
1.561 + // check both first and last index because NSIndexSet appears to allow
1.562 + // wraparound.
1.563 + ([allowedLevels_ firstIndex] > kGTMLoggerLevelAssert) ||
1.564 + ([allowedLevels_ lastIndex] > kGTMLoggerLevelAssert)) {
1.565 + [self release];
1.566 + return nil;
1.567 + }
1.568 + }
1.569 + return self;
1.570 +}
1.571 +
1.572 +- (id)init {
1.573 + // Allow all levels in default init
1.574 + return [self initWithAllowedLevels:[NSIndexSet indexSetWithIndexesInRange:
1.575 + NSMakeRange(kGTMLoggerLevelUnknown,
1.576 + (kGTMLoggerLevelAssert - kGTMLoggerLevelUnknown + 1))]];
1.577 +}
1.578 +
1.579 +- (void)dealloc {
1.580 + [allowedLevels_ release];
1.581 + [super dealloc];
1.582 +}
1.583 +
1.584 +- (BOOL)filterAllowsMessage:(NSString *)msg level:(GTMLoggerLevel)level {
1.585 + return [allowedLevels_ containsIndex:level];
1.586 +}
1.587 +
1.588 +@end // GTMLogAllowedLevelFilter
1.589 +
1.590 +
1.591 +@implementation GTMLogMininumLevelFilter
1.592 +
1.593 +- (id)initWithMinimumLevel:(GTMLoggerLevel)level {
1.594 + return [super initWithAllowedLevels:[NSIndexSet indexSetWithIndexesInRange:
1.595 + NSMakeRange(level,
1.596 + (kGTMLoggerLevelAssert - level + 1))]];
1.597 +}
1.598 +
1.599 +@end // GTMLogMininumLevelFilter
1.600 +
1.601 +
1.602 +@implementation GTMLogMaximumLevelFilter
1.603 +
1.604 +- (id)initWithMaximumLevel:(GTMLoggerLevel)level {
1.605 + return [super initWithAllowedLevels:[NSIndexSet indexSetWithIndexesInRange:
1.606 + NSMakeRange(kGTMLoggerLevelUnknown, level + 1)]];
1.607 +}
1.608 +
1.609 +@end // GTMLogMaximumLevelFilter
1.610 +
1.611 +#if !defined(__clang__) && (__GNUC__*10+__GNUC_MINOR__ >= 42)
1.612 +// See comment at top of file.
1.613 +#pragma GCC diagnostic error "-Wmissing-format-attribute"
1.614 +#endif // !__clang__
1.615 +
