setloc~1.c

来自「操作系统源代码」· C语言 代码 · 共 29 行

/*
 * setlocale - set the programs locale
 */
/* $Header: setlocale.c,v 1.2 89/12/18 15:49:11 eck Exp $ */

#include	<locale.h>
#include	<string.h>

struct lconv _lc;

char *
setlocale(int category, const char *locale)
{
	if (!locale) return "C";
	if (*locale && strcmp(locale, "C")) return (char *)NULL;
	
	switch(category) {
	case LC_ALL:
	case LC_CTYPE:
	case LC_COLLATE:
	case LC_TIME:
	case LC_NUMERIC:
	case LC_MONETARY:
		return *locale ? (char *)locale : "C";
	default:
		return (char *)NULL;
	}
}