iconvjp.c

用于嵌入式Linux系统的标准C的库函数

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};
#endif

struct iconv_data
{
    int len;
    char *name;
    char *data;
};

#define CONVERSIONS 4

struct iconv_data data[] = 
{
#ifdef _ICONV_CONVERTER_EUC_JP
    {sizeof(euc_jp), "EUC-JP", (char *)euc_jp},
#endif
#ifdef _ICONV_CONVERTER_SHIFT_JIS
    {sizeof(shift_jis), "SHIFT-JIS", (char *)shift_jis},
#endif
#ifdef _ICONV_CONVERTER_UTF_8
    {sizeof(utf8), "UTF-8", (char *)utf8},
#endif
#ifdef _ICONV_CONVERTER_UCS_2_INTERNAL
    {sizeof(ucs2), "UCS-2-INTERNAL", (char *)ucs2},
#endif
    {0, NULL, NULL}
};

#define OUTBUF_LEN 2800
char ob[OUTBUF_LEN];

iconv_t descs[CONVERSIONS*CONVERSIONS];

#define ERROR 0

int main(int argc, char **argv)
{
    int i, j, k, d = 0;
    size_t n;
    char *outbuf, *inbuf;
    int conversions = sizeof(data)/sizeof(struct iconv_data) - 1;

    puts("JP iconv test");
    
    for (i = 0; i < conversions; i++)
    {
        for (j = 0; j < conversions; j++)
	{
	    descs[d] = iconv_open(data[j].name, data[i].name);
	    if (descs[d++] == (iconv_t)-1)
	    {
	        printf("iconv_open(%s, %s)\n", data[i].name, data[j].name);
	        perror("");
                CHECK(ERROR);
	    }
	}
    }
    
    d = 0;
    for (i = 0; i < conversions; i++)
    {
        for (j = 0; j < conversions; j++)
	{
	    size_t inbytes = data[i].len;
	    size_t outbytes = OUTBUF_LEN;
	    inbuf = data[i].data;
	    outbuf = (char *)ob;

	    if (iconv(descs[d], NULL, NULL, (char **)&outbuf, &outbytes)                                                                       == (size_t)-1)
            {
                perror("Can't reset shift state");
                CHECK(ERROR);
            }
	    
            n = iconv(descs[d++], (const char **)&(inbuf), &inbytes, 
	                          (char **)&outbuf, &outbytes);
            if (n == (size_t)-1)
            {
	        printf("Conversion from %s to %s FAILED - iconv() "
                       "returned -1\n", data[i].name, data[j].name);
		perror("");
                CHECK(ERROR);
            }
	    
	    if (data[j].len != OUTBUF_LEN - outbytes)
	    {
                printf("Conversion from %s to %s FAILED",
                       data[i].name, data[j].name);
	        printf(" - bad output buffer length (%d instead of %d)\n",
		       OUTBUF_LEN - outbytes, data[j].len);
                CHECK(ERROR);
	    }
	    
	    for (k = 0; k < data[j].len; k++)
	    {
	        if (ob[k] != data[j].data[k])
		{
                    printf("Conversion from %s to %s FAILED",
                           data[i].name, data[j].name);
   	            printf("Error: byte %d is wrong\n", k);
		    printf("outbuf value: %#x, inbuf value %#x, "
		           "right value: %#x\n",
          	           (int)ob[k], (int)(data[i].data[k]), 
		           (int)(data[j].data[k]));
                    CHECK(ERROR);
		}
	    }

	    printf("iconv from %s to %s was successfully done\n",
                   data[i].name, data[j].name); 
            
	}
    }
    
    d = 0;
    for (i = 0; i < conversions; i++)
        for (j = 0; j < conversions; j++)
            CHECK(iconv_close(descs[d++]) != -1);

    exit(0);
}

#else /* #if defined(_ICONV_CONVERTER_UTF_8) || ... */
int main(int argc, char **argv)
{
    puts("None of UTF-8, EUC-JP, SHIFT-JIS and UCS-2_INTERNAL converters "
         "linked, SKIP test");
    exit(0);
}
#endif /* #if defined(_ICONV_CONVERTER_UTF_8) || ... */

#else /* #ifdef _ICONV_ENABLED */
int main(int argc, char **argv)
{
    puts("iconv library is disabled, SKIP test");
    exit(0);
}
#endif /* #ifdef _ICONV_ENABLED */