This fixes a problem reported by Randal Schwartz: >I finally tracked down all the (albeit inconsequential) errors I was getting >on both OpenBSD and OSX. It's the warn() function in usage.c. There's >warn(3) in BSD-style distros. It'd take a "great rename" to change it, but if >someone with better C skills than I have could do that, my linker and I would >appreciate it. It was annoying to me, too, when I was doing some mergetool testing on Mac OS X, so here's a fix. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: "Randal L. Schwartz" <merlyn@stonehenge.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
		
			
				
	
	
		
			97 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * GIT - The information manager from hell
 | 
						|
 *
 | 
						|
 * Copyright (C) Linus Torvalds, 2005
 | 
						|
 */
 | 
						|
#include "git-compat-util.h"
 | 
						|
 | 
						|
static void report(const char *prefix, const char *err, va_list params)
 | 
						|
{
 | 
						|
	fputs(prefix, stderr);
 | 
						|
	vfprintf(stderr, err, params);
 | 
						|
	fputs("\n", stderr);
 | 
						|
}
 | 
						|
 | 
						|
static NORETURN void usage_builtin(const char *err)
 | 
						|
{
 | 
						|
	fprintf(stderr, "usage: %s\n", err);
 | 
						|
	exit(129);
 | 
						|
}
 | 
						|
 | 
						|
static NORETURN void die_builtin(const char *err, va_list params)
 | 
						|
{
 | 
						|
	report("fatal: ", err, params);
 | 
						|
	exit(128);
 | 
						|
}
 | 
						|
 | 
						|
static void error_builtin(const char *err, va_list params)
 | 
						|
{
 | 
						|
	report("error: ", err, params);
 | 
						|
}
 | 
						|
 | 
						|
static void warn_builtin(const char *warn, va_list params)
 | 
						|
{
 | 
						|
	report("warning: ", warn, params);
 | 
						|
}
 | 
						|
 | 
						|
/* If we are in a dlopen()ed .so write to a global variable would segfault
 | 
						|
 * (ugh), so keep things static. */
 | 
						|
static void (*usage_routine)(const char *err) NORETURN = usage_builtin;
 | 
						|
static void (*die_routine)(const char *err, va_list params) NORETURN = die_builtin;
 | 
						|
static void (*error_routine)(const char *err, va_list params) = error_builtin;
 | 
						|
static void (*warn_routine)(const char *err, va_list params) = warn_builtin;
 | 
						|
 | 
						|
void set_usage_routine(void (*routine)(const char *err) NORETURN)
 | 
						|
{
 | 
						|
	usage_routine = routine;
 | 
						|
}
 | 
						|
 | 
						|
void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN)
 | 
						|
{
 | 
						|
	die_routine = routine;
 | 
						|
}
 | 
						|
 | 
						|
void set_error_routine(void (*routine)(const char *err, va_list params))
 | 
						|
{
 | 
						|
	error_routine = routine;
 | 
						|
}
 | 
						|
 | 
						|
void set_warn_routine(void (*routine)(const char *warn, va_list params))
 | 
						|
{
 | 
						|
	warn_routine = routine;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
void usage(const char *err)
 | 
						|
{
 | 
						|
	usage_routine(err);
 | 
						|
}
 | 
						|
 | 
						|
void die(const char *err, ...)
 | 
						|
{
 | 
						|
	va_list params;
 | 
						|
 | 
						|
	va_start(params, err);
 | 
						|
	die_routine(err, params);
 | 
						|
	va_end(params);
 | 
						|
}
 | 
						|
 | 
						|
int error(const char *err, ...)
 | 
						|
{
 | 
						|
	va_list params;
 | 
						|
 | 
						|
	va_start(params, err);
 | 
						|
	error_routine(err, params);
 | 
						|
	va_end(params);
 | 
						|
	return -1;
 | 
						|
}
 | 
						|
 | 
						|
void warning(const char *warn, ...)
 | 
						|
{
 | 
						|
	va_list params;
 | 
						|
 | 
						|
	va_start(params, warn);
 | 
						|
	warn_routine(warn, params);
 | 
						|
	va_end(params);
 | 
						|
}
 |