ZNLog

定位某行的错误

#define ZNLog(s,...) [ZNLog file:__FILE__ function: (char *)__FUNCTION__ lineNumber:__LINE__ format:(s),##__VA_ARGS__]

#import <Foundation/Foundation.h>

@interface ZNLog : NSObject {

}

+(void)file:(char*)sourceFile function:(char*)functionName lineNumber:(int)lineNumber format:(NSString*)format,...;

@end

#import "ZNLog.h"

@implementation ZNLog

+ (void)file:(char*)sourceFile function:(char*)functionName lineNumber:(int)lineNumber format:(NSString*)format,...{

NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

va_list ap;

NSString *print, *file, *function;

va_start(ap,format);

file = [[NSString alloc] initWithBytes: sourceFile length: strlen(sourceFile) encoding: NSUTF8StringEncoding];

function = [NSString stringWithCString: functionName];

print = [[NSString alloc] initWithFormat: format arguments: ap];

va_end(ap);

NSLog(@"%@:%d %@; %@", [file lastPathComponent], lineNumber, function, print);

[print release];

[file release];

[pool release];

}

@end