ui.c

libaal-1.0.5.tar.gz reiser4progs编译时需要

/* Copyright (C) 2001, 2002, 2003 by Hans Reiser, licensing governed by
   libaal/COPYING.
   
   ui.c -- callback function for using them for asking user to enter
   something. */

#ifndef ENABLE_MINIMAL
#include <aal/libaal.h>

static aal_numeric_func_t numeric_handler = NULL;

void aal_ui_set_numeric_handler(aal_numeric_func_t func) {
	numeric_handler = func;
}

aal_numeric_func_t aal_ui_get_numeric_handler(void) {
	return numeric_handler;
}

int64_t aal_ui_get_numeric(int64_t defvalue, 
			   aal_check_numeric_func_t check_func,
			   void *data, const char *format, ...) 
{
	char buff[256];
	va_list arg_list;
    
	if (!numeric_handler)
		return ~0ll;
    
	aal_memset(buff, 0, sizeof(buff));
    
	va_start(arg_list, format);
	aal_vsnprintf(buff, sizeof(buff), format, arg_list);
	va_end(arg_list);
    
	return numeric_handler(buff, defvalue, check_func, data);
}

static aal_alpha_func_t alpha_handler = NULL;

void aal_ui_set_alpha_handler(aal_alpha_func_t func) {
	alpha_handler = func;
}

aal_alpha_func_t aal_ui_get_alpha_handler(void) {
	return alpha_handler;
}

void aal_ui_get_alpha(char *defvalue, 
		      aal_check_alpha_func_t check_func,
		      void *data, const char *format, ...)
{
	char buff[256];
	va_list arg_list;
    
	if (!alpha_handler)
		return;
    
	aal_memset(buff, 0, sizeof(buff));
    
	va_start(arg_list, format);
	aal_vsnprintf(buff, sizeof(buff), format, arg_list);
	va_end(arg_list);
    
	alpha_handler(buff, defvalue, check_func, data);
}
#endif