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commit 6a8348e65546fab85e79cea7da5c5b44c3ac80c9
Author: Lemures Lemniscati <lemures.lemniscati@gmail.com>
Date: Sat Jul 11 10:11:35 2020 +0900
1.16-wchar.patch
diff --git a/libcharset/lib/localcharset.c b/libcharset/lib/localcharset.c
index 3effe1d..462aade 100644
--- a/libcharset/lib/localcharset.c
+++ b/libcharset/lib/localcharset.c
@@ -51,10 +51,6 @@
# include <locale.h>
# endif
# endif
-# ifdef __CYGWIN__
-# define WIN32_LEAN_AND_MEAN
-# include <windows.h>
-# endif
#elif defined WINDOWS_NATIVE
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
@@ -692,64 +688,12 @@ locale_charset (void)
# if HAVE_LANGINFO_CODESET
- /* Most systems support nl_langinfo (CODESET) nowadays. */
- codeset = nl_langinfo (CODESET);
-
-# ifdef __CYGWIN__
- /* 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;
- static char buf[2 + 10 + 1];
-
- locale = getenv ("LC_ALL");
- if (locale == NULL || locale[0] == '\0')
- {
- locale = getenv ("LC_CTYPE");
- if (locale == NULL || locale[0] == '\0')
- locale = getenv ("LANG");
- }
- if (locale != NULL && locale[0] != '\0')
- {
- /* If the locale name contains an encoding after the dot, return
- it. */
- const char *dot = strchr (locale, '.');
-
- if (dot != NULL)
- {
- const char *modifier;
-
- dot++;
- /* Look for the possible @... trailer and remove it, if any. */
- modifier = strchr (dot, '@');
- if (modifier == NULL)
- return dot;
- if (modifier - dot < sizeof (buf))
- {
- memcpy (buf, dot, modifier - dot);
- buf [modifier - dot] = '\0';
- return buf;
- }
- }
- }
-
- /* The Windows API 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;
- }
-# endif
+ /* Most systems support nl_langinfo (CODESET) nowadays.
+ POSIX allows that the returned pointer may point to a static area that
+ may be overwritten by subsequent calls to setlocale or nl_langinfo. */
+ static char codeset_buf[64];
+ codeset_buf[0] = '\0';
+ codeset = strncat (codeset_buf, nl_langinfo (CODESET), sizeof (codeset_buf));
if (codeset == NULL)
/* The canonical name cannot be determined. */
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