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@CreatureSurvive
Forked from DGh0st/FileLogging.h
Created May 19, 2019 02:23
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Log to a custom file, can be used to get logs from users with a debug build.
#ifndef FILELOGGING
#define FILELOGGING
#ifndef DEBUG
#define FLOG(args...)
#else
#define kLOGFILEPATH @"/path/to/log/file.log"
void _FLog(const char *functionName, int lineNumber, NSString *msgFormat, ...) {
va_list ap;
va_start(ap, msgFormat);
NSString *logFormattedMessage = [[NSString alloc] initWithFormat:msgFormat arguments:ap];
va_end(ap);
NSString *logMessage = [NSString stringWithFormat:@"%s[%d] %@\n", functionName, lineNumber, logFormattedMessage];
[logFormattedMessage release];
if (![[NSFileManager defaultManager] fileExistsAtPath:kLOGFILEPATH])
[[NSData data] writeToFile:kLOGFILEPATH atomically:YES];
NSFileHandle *handle = [NSFileHandle fileHandleForWritingAtPath:kLOGFILEPATH];
[handle truncateFileAtOffset:[handle seekToEndOfFile]];
[handle writeData:[logMessage dataUsingEncoding:NSUTF8StringEncoding]];
[handle closeFile];
}
#define FLOG(args...) _FLog(__func__, __LINE__, args);
#endif // DEBUG
#endif // FILELOGGING
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