/* Determine a canonical name for the current locale's character encoding.
- Copyright (C) 2000-2006, 2008-2009 Free Software Foundation, Inc.
+ Copyright (C) 2000-2006, 2008-2011 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
{
/* Out of memory. */
res_size = 0;
- if (old_res_ptr != NULL)
- free (old_res_ptr);
+ free (old_res_ptr);
break;
}
strcpy (res_ptr + res_size - (l2 + 1) - (l1 + 1), buf1);
codeset = nl_langinfo (CODESET);
# ifdef __CYGWIN__
- /* Cygwin 2006 does not have locales. nl_langinfo (CODESET) always
- returns "US-ASCII". As long as this is not fixed, return the suffix
- of the locale name from the environment variables (if present) or
- the codepage as a number. */
+ /* Cygwin < 1.7 does not have locales. nl_langinfo (CODESET) always
+ returns "US-ASCII". Return the suffix of the locale name from the
+ environment variables (if present) or the codepage as a number. */
if (codeset != NULL && strcmp (codeset, "US-ASCII") == 0)
{
const char *locale;
}
}
- /* Woe32 has a function returning the locale's codepage as a number. */
+ /* Woe32 has a function returning the locale's codepage as a number:
+ GetACP(). This encoding is used by Cygwin, unless the user has set
+ the environment variable CYGWIN=codepage:oem (which very few people
+ do).
+ Output directed to console windows needs to be converted (to
+ GetOEMCP() if the console is using a raster font, or to
+ GetConsoleOutputCP() if it is using a TrueType font). Cygwin does
+ this conversion transparently (see winsup/cygwin/fhandler_console.cc),
+ converting to GetConsoleOutputCP(). This leads to correct results,
+ except when SetConsoleOutputCP has been called and a raster font is
+ in use. */
sprintf (buf, "CP%u", GetACP ());
codeset = buf;
}
static char buf[2 + 10 + 1];
- /* Woe32 has a function returning the locale's codepage as a number. */
+ /* Woe32 has a function returning the locale's codepage as a number:
+ GetACP().
+ When the output goes to a console window, it needs to be provided in
+ GetOEMCP() encoding if the console is using a raster font, or in
+ GetConsoleOutputCP() encoding if it is using a TrueType font.
+ But in GUI programs and for output sent to files and pipes, GetACP()
+ encoding is the best bet. */
sprintf (buf, "CP%u", GetACP ());
codeset = buf;