summaryrefslogtreecommitdiff
path: root/lib/btowc.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/btowc.c')
-rw-r--r--lib/btowc.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/btowc.c b/lib/btowc.c
index b8239af..4defbdd 100644
--- a/lib/btowc.c
+++ b/lib/btowc.c
@@ -1,5 +1,5 @@
/* Convert unibyte character to wide character.
- Copyright (C) 2008, 2010-2021 Free Software Foundation, Inc.
+ Copyright (C) 2008, 2010-2023 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2008.
This file is free software: you can redistribute it and/or modify
@@ -22,6 +22,7 @@
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
wint_t
btowc (int c)
@@ -32,7 +33,14 @@ btowc (int c)
wchar_t wc;
buf[0] = c;
+#if HAVE_MBRTOWC
+ mbstate_t state;
+ memset (&state, 0, sizeof (mbstate_t));
+ size_t ret = mbrtowc (&wc, buf, 1, &state);
+ if (!(ret == (size_t)(-1) || ret == (size_t)(-2)))
+#else
if (mbtowc (&wc, buf, 1) >= 0)
+#endif
return wc;
}
return WEOF;