Add compat code for missing wcwidth.

If we don't have wcwidth force fallback implementations of nl_langinfo
and mbtowc.  Based on advice from Ingo Schwarze.

1 files changed, 18 insertions, 0 deletions

diff --git a/openbsd-compat/openbsd-compat.h b/openbsd-compat/openbsd-compat.h
index 8cc8a11b7..997541e43 100644
--- a/openbsd-compat/openbsd-compat.h
+++ b/openbsd-compat/openbsd-compat.h
@@ -36,6 +36,8 @@
 
 #include <sys/socket.h>
 
+#include <stddef.h>  /* for wchar_t */
+
 /* OpenBSD function replacements */
 #include "base64.h"
 #include "sigact.h"
@@ -231,6 +233,22 @@ long long strtonum(const char *, long long, long long, const char **);
 # define mblen(x, y)    (1)
 #endif
 
+#ifndef HAVE_WCWIDTH
+# define wcwidth(x)     (((x) >= 0x20 && (x) <= 0x7e) ? 1 : -1)
+/* force our no-op nl_langinfo and mbtowc */
+# undef HAVE_NL_LANGINFO
+# undef HAVE_MBTOWC
+# undef HAVE_LANGINFO_H
+#endif
+
+#ifndef HAVE_NL_LANGINFO
+# define nl_langinfo(x) ""
+#endif
+
+#ifndef HAVE_MBTOWC
+int mbtowc(wchar_t *, const char*, size_t);
+#endif
+
 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
 # include <stdarg.h>
 #endif