16-2.c

《linux应用开发技术详解》的配套代码

#include <stdio.h>
#include <stdlib.h>
#include <locale.h>

char *string = "测试locale的软件!";
void main()
{
    int i, l, length;
    char *ptr;
    char cbuf[128];
    wchar_t wcbuf[128];
.    setlocale(LC_ALL, "");
    /* MB_CUR_MAX check */
    printf("MB_CUR_MAX %d\n", MB_CUR_MAX);
    length = strlen(string);
    printf("string %s, length %d\n", string, length);
    /* mbstowcs() */
    l = mbstowcs(wcbuf, string, 128);
    printf("mbstowcs() → num %d,", l);
    for (i = 0; i < l; i++) {
	printf(" %x", wcbuf[i]);
    }
    printf("\n");
    /* wcstombs() */
    l = wcstombs(cbuf, wcbuf, 128);
    printf("wcstombs() → length %d, %s\n", l, cbuf);
    /* mblen() check */
    for (ptr = string; *ptr; ) {
	l = mblen(ptr, length);
	mbtowc(wcbuf, ptr, length);
	printf("ptr %s, mblen %d, wchar %x\n", ptr, l, wcbuf[0]);
	if (l <= 0) {
	    break;
	}
	ptr += l;
    }
}