X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/2c0380dc65ab5ea511633764aaa59de4c07e669b..faec60ed7e3ba7a6b0972672bea7322625a63915:/unix/uxucs.c

diff --git a/unix/uxucs.c b/unix/uxucs.c
index 580f94b9..164d8890 100644
--- a/unix/uxucs.c
+++ b/unix/uxucs.c
@@ -92,7 +92,29 @@ int mb_to_wc(int codepage, int flags, char *mbstr, int mblen,
     int ret = 0;
     while (mblen > 0 && wclen > 0) {
 	*wcstr++ = (unsigned char) *mbstr++;
-	ret++;
+	mblen--, wclen--, ret++;
+    }
+    return ret;			       /* FIXME: check error codes! */
+}
+
+int wc_to_mb(int codepage, int flags, wchar_t *wcstr, int wclen,
+	     char *mbstr, int mblen, char *defchr, int *defused)
+{
+    int ret = 0;
+    if (defused)
+	*defused = 0;
+    while (mblen > 0 && wclen > 0) {
+	if (*wcstr >= 0x100) {
+	    if (defchr)
+		*mbstr++ = *defchr;
+	    else
+		*mbstr++ = '\xBF';
+	    if (defused)
+		*defused = 1;
+	} else
+	    *mbstr++ = (unsigned char) *wcstr;
+	wcstr++;
+	mblen--, wclen--, ret++;
     }
     return ret;			       /* FIXME: check error codes! */
 }
@@ -111,4 +133,4 @@ void init_ucs(void)
 	unitab_line[i] = unitab_scoacs[i] = i;
 	unitab_xterm[i] = (i+1) & 0x1F;
     }
-}
\ No newline at end of file
+}