X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/e98104c74137f71fb43aa19e80e9c6e84abd6ee5..1d2a5e0b5bf87a0a0c8a02a3f06b7c9a1f426d9f:/charset/localenc.c

diff --git a/charset/localenc.c b/charset/localenc.c
index 8ca277d5..5eabeaf1 100644
--- a/charset/localenc.c
+++ b/charset/localenc.c
@@ -39,6 +39,8 @@ static const struct {
     { "ISO-8859-16", CS_ISO8859_16, 1 },
     { "CP437", CS_CP437, 1 },
     { "CP850", CS_CP850, 1 },
+    { "CP852", CS_CP852, 1 },
+    { "CP866", CS_CP866, 1 },
     { "CP1250", CS_CP1250, 1 },
     { "CP1251", CS_CP1251, 1 },
     { "CP1252", CS_CP1252, 1 },
@@ -101,7 +103,7 @@ int charset_from_localenc(const char *name)
 	p = name;
 	q = localencs[i].name;
 	while (*p || *q) {
-	    if (tolower(*p) != tolower(*q))
+		if (tolower((unsigned char)*p) != tolower((unsigned char)*q))
 		break;
 	    p++; q++;
 	}