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#include "internal.h"
#ifdef __CYGWIN__
#include <windows.h>
#endif
#ifdef HAVE_LANGINFO_H
#include <langinfo.h>
#endif
#if defined _WIN32 || defined __CYGWIN__
#define SIZEOF_CP_NAME ((sizeof(UINT) * 8 / 3) + 4)
#define CP_FORMAT(buf, codepage) snprintf(buf, sizeof(buf), "CP%u", (codepage))
#endif
VALUE
rb_locale_charmap(VALUE klass)
{
#if defined NO_LOCALE_CHARMAP
# error NO_LOCALE_CHARMAP defined
#elif defined _WIN32 || defined __CYGWIN__
const char *codeset = 0;
char cp[SIZEOF_CP_NAME];
# ifdef __CYGWIN__
const char *nl_langinfo_codeset(void);
codeset = nl_langinfo_codeset();
# endif
if (!codeset) {
UINT codepage = GetConsoleCP();
if (!codepage) codepage = GetACP();
CP_FORMAT(cp, codepage);
codeset = cp;
}
return rb_usascii_str_new2(codeset);
#elif defined HAVE_LANGINFO_H
char *codeset;
codeset = nl_langinfo(CODESET);
return rb_usascii_str_new2(codeset);
#else
return Qnil;
#endif
}
int
Init_enc_set_filesystem_encoding(void)
{
int idx;
#if defined NO_LOCALE_CHARMAP
# error NO_LOCALE_CHARMAP defined
#elif defined _WIN32 || defined __CYGWIN__
char cp[SIZEOF_CP_NAME];
CP_FORMAT(cp, AreFileApisANSI() ? GetACP() : GetOEMCP());
idx = rb_enc_find_index(cp);
if (idx < 0) idx = ENCINDEX_ASCII;
#else
idx = rb_enc_to_index(rb_default_external_encoding());
#endif
return idx;
}
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