 ebaa79f462
			
		
	
	ebaa79f462
	
	
	
		
			
			There exist already a number of static functions named 'report', therefore, the function name was changed. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
		
			
				
	
	
		
			118 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * GIT - The information manager from hell
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|  *
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|  * Copyright (C) Linus Torvalds, 2005
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|  */
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| #include "git-compat-util.h"
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| 
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| void vreportf(const char *prefix, const char *err, va_list params)
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| {
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| 	char msg[4096];
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| 	vsnprintf(msg, sizeof(msg), err, params);
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| 	fprintf(stderr, "%s%s\n", prefix, msg);
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| }
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| 
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| static NORETURN void usage_builtin(const char *err, va_list params)
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| {
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| 	vreportf("usage: ", err, params);
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| 	exit(129);
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| }
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| 
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| static NORETURN void die_builtin(const char *err, va_list params)
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| {
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| 	vreportf("fatal: ", err, params);
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| 	exit(128);
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| }
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| 
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| static void error_builtin(const char *err, va_list params)
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| {
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| 	vreportf("error: ", err, params);
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| }
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| 
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| static void warn_builtin(const char *warn, va_list params)
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| {
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| 	vreportf("warning: ", warn, params);
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| }
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| 
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| /* If we are in a dlopen()ed .so write to a global variable would segfault
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|  * (ugh), so keep things static. */
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| static NORETURN_PTR void (*usage_routine)(const char *err, va_list params) = usage_builtin;
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| static NORETURN_PTR void (*die_routine)(const char *err, va_list params) = die_builtin;
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| static void (*error_routine)(const char *err, va_list params) = error_builtin;
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| static void (*warn_routine)(const char *err, va_list params) = warn_builtin;
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| 
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| void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params))
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| {
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| 	die_routine = routine;
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| }
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| 
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| void usagef(const char *err, ...)
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| {
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| 	va_list params;
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| 
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| 	va_start(params, err);
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| 	usage_routine(err, params);
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| 	va_end(params);
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| }
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| 
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| void usage(const char *err)
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| {
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| 	usagef("%s", err);
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| }
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| 
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| void die(const char *err, ...)
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| {
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| 	va_list params;
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| 
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| 	va_start(params, err);
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| 	die_routine(err, params);
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| 	va_end(params);
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| }
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| 
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| void die_errno(const char *fmt, ...)
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| {
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| 	va_list params;
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| 	char fmt_with_err[1024];
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| 	char str_error[256], *err;
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| 	int i, j;
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| 
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| 	err = strerror(errno);
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| 	for (i = j = 0; err[i] && j < sizeof(str_error) - 1; ) {
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| 		if ((str_error[j++] = err[i++]) != '%')
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| 			continue;
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| 		if (j < sizeof(str_error) - 1) {
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| 			str_error[j++] = '%';
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| 		} else {
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| 			/* No room to double the '%', so we overwrite it with
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| 			 * '\0' below */
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| 			j--;
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| 			break;
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| 		}
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| 	}
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| 	str_error[j] = 0;
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| 	snprintf(fmt_with_err, sizeof(fmt_with_err), "%s: %s", fmt, str_error);
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| 
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| 	va_start(params, fmt);
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| 	die_routine(fmt_with_err, params);
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| 	va_end(params);
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| }
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| 
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| int error(const char *err, ...)
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| {
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| 	va_list params;
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| 
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| 	va_start(params, err);
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| 	error_routine(err, params);
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| 	va_end(params);
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| 	return -1;
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| }
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| 
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| void warning(const char *warn, ...)
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| {
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| 	va_list params;
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| 
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| 	va_start(params, warn);
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| 	warn_routine(warn, params);
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| 	va_end(params);
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| }
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