Propagate my ctype fixes (r8404) from libcharset.

git-svn-id: svn://svn.tartarus.org/sgt/putty@8405 cda61777-01e9-0310-a592-d414129be87e

diff --git a/charset/localenc.c b/charset/localenc.c
index 4d81f50..2208887 100644 (file)
--- a/charset/localenc.c
+++ b/charset/localenc.c
@@ -102,7 +102,7 @@ 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++;
        }

diff --git a/charset/mimeenc.c b/charset/mimeenc.c
index 437781f..93ad89e 100644 (file)
--- a/charset/mimeenc.c
+++ b/charset/mimeenc.c
@@ -202,7 +202,7 @@ int charset_from_mimeenc(const char *name)
        p = name;
        q = mimeencs[i].name;
        while (*p || *q) {
-           if (tolower(*p) != tolower(*q))
+               if (tolower((unsigned char)*p) != tolower((unsigned char)*q))
                break;
            p++; q++;
        }

diff --git a/charset/xenc.c b/charset/xenc.c
index b6532f2..1178797 100644 (file)
--- a/charset/xenc.c
+++ b/charset/xenc.c
@@ -81,7 +81,7 @@ int charset_from_xenc(const char *name)
        p = name;
        q = xencs[i].name;
        while (*p || *q) {
-           if (tolower(*p) != tolower(*q))
+               if (tolower((unsigned char)*p) != tolower((unsigned char)*q))
                break;
            p++; q++;
        }