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Completely rewritten by Adam Fedor.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@2009 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Andrew McCallum 1997-01-06 22:04:07 +00:00
parent 4a5428113a
commit f1c28c8008
1 changed files with 50 additions and 21 deletions
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71
Source/NSLog.m
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@ -1,11 +1,11 @@
/* Implementation of NSLog() error loging functions for GNUStep
Copyright (C) 1995 Free Software Foundation, Inc.
Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
Created: Nov 1995
/* Interface for NSLog for GNUStep
Copyright (C) 1996, 1997 Free Software Foundation, Inc.
Written by: Adam Fedor <fedor@boulder.colorado.edu>
Date: November 1996
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
@ -21,22 +21,51 @@
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
`void NSLog(NSString *format,...'
) Writes to stderr an error message of the form:
#include <Foundation/NSObjCRuntime.h>
#include <Foundation/NSDate.h>
#include <Foundation/NSException.h>
#include <Foundation/NSProcessInfo.h>
ª \i time processName processID format\i0 º. The format argument
to `NSLog()' is a format string in the style of the standard C
function `printf()', followed by an arbitrary number of arguments
that match conversion specifications (such as %s or %d) in the
format string. (You can pass an object in the list of arguments by
specifying % in the format stringÐthis conversion specification
gets replaced by the string that the object's description method
returns.)
NSLog_printf_handler *_NSLog_printf_handler;
void
NSLogv(NSString* format, va_list args)
static void
_NSLog_standard_printf_handler (NSString* message)
{
fprintf(stderr, "", );
vfprintf(stderr, [[NSString stringWithFormat:format
arguments:args] cString]);
fprintf (stderr, [message cStringNoCopy]);
}
void
NSLog (NSString* format, ...)
{
va_list ap;
va_start (ap, format);
NSLogv (format, ap);
va_end (ap);
}
void
NSLogv (NSString* format, va_list args)
{
NSString* prefix;
NSString* message;
if (_NSLog_printf_handler == NULL)
_NSLog_printf_handler = *_NSLog_standard_printf_handler;
prefix = [NSString
stringWithFormat: @"%@ %@[%d] ",
[[NSCalendarDate calendarDate]
descriptionWithCalendarFormat: @"%b %d %H:%M:%S"],
[[[NSProcessInfo processInfo] processName] lastPathComponent],
getpid()];
/* Check if there is already a newline at the end of the format */
if (![format hasSuffix: @"\n"])
format = [format stringByAppendingString: @"\n"];
message = [NSString stringWithFormat: format arguments: args];
prefix = [prefix stringByAppendingString: message];
_NSLog_printf_handler (prefix);
}