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[software/mutt-debian.git] / mbyte.c

diff --git a/mbyte.c b/mbyte.c
index 9bc6f5d3f24f668445820de4cf2fcd6a36234399..bb773cfa67004aefcf9949d09a88e2b110ef5e99 100644 (file)
--- a/mbyte.c
+++ b/mbyte.c
@@ -285,6 +285,21 @@ static wint_t towupper_ucs (wint_t x)
     return x;
 }
 
+static int iswupper_ucs (wint_t x)
+{
+  /* Only works for x < 0x130 */
+  if ((0x60 < x && x < 0x7b) || (0xe0 <= x && x < 0xff && x != 0xf7))
+    return 1;
+  else if (0x100 <= x && x < 0x130)
+    return 1;
+  else if (x == 0xb5)
+    return 1;
+  else if (x == 0xff)
+    return 1;
+  else
+    return 0;
+}
+
 static wint_t towlower_ucs (wint_t x)
 {
   /* Only works for x < 0x130 */
@@ -313,6 +328,21 @@ static int iswalnum_ucs (wint_t wc)
     return !(wc == 0xd7 || wc == 0xf7);
 }
 
+static int iswalpha_ucs (wint_t wc)
+{
+  /* Only works for x < 0x220 */
+  if (wc >= 0x100)
+    return 1;
+  else if (wc < 0x3a)
+    return 0;
+  else if (wc < 0xa0)
+    return (0x40 < (wc & ~0x20) && (wc & ~0x20) < 0x5b);
+  else if (wc < 0xc0)
+    return (wc == 0xaa || wc == 0xb5 || wc == 0xba);
+  else
+    return !(wc == 0xd7 || wc == 0xf7);
+}
+
 wint_t towupper (wint_t wc)
 {
   if (Charset_is_utf8 || charset_is_ja)
@@ -337,6 +367,22 @@ int iswalnum (wint_t wc)
     return (0 <= wc && wc < 256) ? isalnum (wc) : 0;
 }
 
+int iswalpha (wint_t wc)
+{
+  if (Charset_is_utf8 || charset_is_ja)
+    return iswalpha_ucs (wc);
+  else
+    return (0 <= wc && wc < 256) ? isalpha (wc) : 0;
+}
+
+int iswupper (wint_t wc)
+{
+  if (Charset_is_utf8 || charset_is_ja)
+    return iswupper_ucs (wc);
+  else
+    return (0 <= wc && wc < 256) ? isupper (wc) : 0;
+}
+
 /*
  * l10n for Japanese:
  *   Symbols, Greek and Cyrillic in JIS X 0208, Japanese Kanji
@@ -495,6 +541,7 @@ int mutt_filter_unprintable (char **s)
     if (k == (size_t)(-1) || k == (size_t)(-2))
     {
       k = 1;
+      memset (&mbstate1, 0, sizeof (mbstate1));
       wc = replacement_char();
     }
     if (!IsWPrint (wc))