1 /* make_charset_table.c
2 * sample program to generate tables for charsets.c using iconv
14 int main(int argc, char **argv) {
15 /* for now only UCS-2 */
16 uint16_t table[0x100];
22 /* 0x00 ... 0x7F same as ASCII? */
24 /* 0x00 ... 0x9F same as ISO? */
28 printf("usage: %s <charset>\n", argv[0]);
34 conv = iconv_open("UCS-2", charset);
35 if (conv == (iconv_t) -1) {
41 for (i = 0x00; i < 0x100; i++) {
42 unsigned char in[1], out[2];
43 size_t inlen = 1, outlen = 2;
45 char *inbuf = (char *) in;
46 char *outbuf = (char *) out;
52 conv = iconv_open("UCS-2BE", charset);
54 if (conv == (iconv_t) -1) {
55 /* shouldn't fail now */
60 ret = iconv(conv, &inbuf, &inlen, &outbuf, &outlen);
62 if (ret == (size_t) -1 && errno == EILSEQ) {
68 if (ret == (size_t) -1) {
76 if (ret != 0 || inlen != 0 || outlen != 0) {
77 fprintf(stderr, "%d: smth went wrong: %zu %zu %zu\n", i, ret, inlen, outlen);
81 if (i < 0x80 && (out[0] != 0 || out[1] != i))
84 if (i < 0xA0 && (out[0] != 0 || out[1] != i))
87 table[i] = (out[0] << 8) | out[1];
90 /* iso_based not supported */
93 printf("/* generated by %s %s */\n", argv[0], charset);
102 printf("const gunichar2 charset_table_%s[0x%x] = {\n", charset, 0x100 - i);
108 for (j = 0; j < 8; j++, i++) {
109 if (table[i] == UNREPL)
112 printf("0x%.4x, ", table[i]);
115 if ((start & 0xf) == 0)
116 printf(" /* 0x%.2X - */", start);
118 printf(" /* - 0x%.2X */", i - 1);