enum {
ISO_UNSUPPORTED = 0,
/* iso-8859-1 */
ISO_DASH_D_DASH_D_LOWER = (1 << 0),
ISO_DASH_D_DASH_D = (1 << 1),
ISO_D_DASH_D = (1 << 2),
ISO_D_D = (1 << 3),
ISO_UNDER_D_DASH_D = (1 << 4),
NO_ISO_D_DASH_D = (1 << 5),
/* iso-10646-1 */
/*ISO_DASH_D_DASH_D_LOWER = (1 << 0),*/
/*ISO_DASH_D_DASH_D = (1 << 1),*/
/*ISO_D_DASH_D = (1 << 2),*/
ISO_DASH_D_LOWER = (1 << 3),
ISO_DASH_D = (1 << 4),
ISO_D = (1 << 5),
UCS4 = (1 << 6),
/* iso-2022-jp */
ISO_DASH_D_DASH_S_LOWER = (1 << 0),
ISO_DASH_D_DASH_S = (1 << 1),
ISO_D_DASH_S = (1 << 2),
};
typedef struct {
char *charset;
char *format;
int id;
} CharInfo;
static CharInfo iso8859_tests[] = {
{ "iso-8859-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER },
{ "ISO-8859-1", "ISO-%d-%d", ISO_DASH_D_DASH_D },
{ "ISO8859-1", "ISO%d-%d", ISO_D_DASH_D },
{ "ISO88591", "ISO%d%d", ISO_D_D },
{ "ISO_8859-1", "ISO_%d-%d", ISO_UNDER_D_DASH_D },
{ "8859-1", "%d-%d", NO_ISO_D_DASH_D },
};
static int num_iso8859_tests = sizeof (iso8859_tests) / sizeof (CharInfo);
static CharInfo iso2022_tests[] = {
{ "iso-2022-jp", "iso-%d-%s", ISO_DASH_D_DASH_S_LOWER },
{ "ISO-2022-JP", "ISO-%d-%s", ISO_DASH_D_DASH_S },
{ "ISO2022-JP", "ISO%d-%s", ISO_D_DASH_S },
};
static int num_iso2022_tests = sizeof (iso2022_tests) / sizeof (CharInfo);
static CharInfo iso10646_tests[] = {
{ "iso-10646-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER },
{ "ISO-10646-1", "ISO-%d-%d", ISO_DASH_D_DASH_D },
{ "ISO10646-1", "ISO%d-%d", ISO_D_DASH_D },
{ "iso-10646", "iso-%d", ISO_DASH_D_LOWER },
{ "ISO-10646", "ISO-%d", ISO_DASH_D },
{ "ISO10646", "ISO%d", ISO_D },
{ "UCS-4BE", "UCS-4BE", UCS4 },
};
static int num_iso10646_tests = sizeof (iso10646_tests) / sizeof (CharInfo);
int main (int argc, char **argv)
{
unsigned int iso8859, iso2022, iso10646;
CharInfo *info;
iconv_t cd;
FILE *fp;
int i;
fp = fopen ("iconv-detect.h", "w");
if (fp == NULL)
exit (255);
fprintf (fp, "/* This is an auto-generated header, DO NOT EDIT! */\n\n");
iso8859 = ISO_UNSUPPORTED;
info = iso8859_tests;
/*printf ("#define DEFAULT_ISO_FORMAT(iso,codepage)\t");*/
for (i = 0; i < num_iso8859_tests; i++) {
cd = iconv_open (info[i].charset, "UTF-8");
if (cd != (iconv_t) -1) {
iconv_close (cd);
/*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/
fprintf (stderr, "System prefers %s\n", info[i].charset);
iso8859 = info[i].id;
break;
}
}
if (iso8859 == ISO_UNSUPPORTED) {
fprintf (stderr, "System doesn't support any ISO-8859-1 formats\n");
fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[0].format);
#ifdef CONFIGURE_IN
exit (1);
#endif
} else {
fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[i].format);
}
iso2022 = ISO_UNSUPPORTED;
info = iso2022_tests;
/*printf ("#define ISO_2022_FORMAT(iso,codepage)\t");*/
for (i = 0; i < num_iso2022_tests; i++) {
cd = iconv_open (info[i].charset, "UTF-8");
if (cd != (iconv_t) -1) {
iconv_close (cd);
/*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/
fprintf (stderr, "System prefers %s\n", info[i].charset);
iso2022 = info[i].id;
break;
}
}
if (iso2022 == ISO_UNSUPPORTED) {
fprintf (stderr, "System doesn't support any ISO-2022 formats\n");
fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[0].format);
#ifdef CONFIGURE_IN
exit (3);
#endif
} else {
fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[i].format);
}
iso10646 = ISO_UNSUPPORTED;
info = iso10646_tests;
/*printf ("#define ISO_10646_FORMAT(iso,codepage)\t");*/
for (i = 0; i < num_iso10646_tests; i++) {
cd = iconv_open (info[i].charset, "UTF-8");
if (cd != (iconv_t) -1) {
iconv_close (cd);
/*if (info[i].id < ISO_DASH_D_LOWER)
printf ("(\"%s\", (iso), (codepage))\n", info[i].format);
else
printf ("(\"%s\", (iso))\n", info[i].format);*/
fprintf (stderr, "System prefers %s\n", info[i].charset);
iso10646 = info[i].id;
break;
}
}
/* we don't need a printf format for iso-10646 because there is only 1 */
if (iso10646 == ISO_UNSUPPORTED) {
fprintf (stderr, "System doesn't support any ISO-10646-1 formats\n");
fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[0].charset);
#ifdef CONFIGURE_IN
exit (2);
#endif
} else {
fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[i].charset);
}
fclose (fp);
exit (0);
}
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