From 4e1e9d0cf1a4efd6e9dc3be1666202a0481d8319 Mon Sep 17 00:00:00 2001
From: Pierre Habouzit <madcoder@debian.org>
Date: Wed, 27 Dec 2006 22:50:52 +0100
Subject: [PATCH] The little Christmas candy bar: allow utf-8 chars in Tochars
 \o/

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
---
 Makefile.am      |  4 ++--
 lib-lib/utf8.c   |  6 +++---
 lib-lib/utf8.h   | 16 ++++++++++++++
 lib-ui/hdrline.c | 56 ++++++++++++++++++++++++++++++++++++++++--------
 4 files changed, 68 insertions(+), 14 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 5fc7486..5b068a4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -29,9 +29,9 @@ madmutt_SOURCES = $(BUILT_SOURCES) \
 	score.c send.c sendlib.c sort.c state.c thread.c account.c remailer.c
 
 madmutt_LDADD = @MUTT_LIB_OBJECTS@ @LIBOBJS@ \
-	       -Llib-lib -llib -Llib-mime -lmime -Llib-crypt -lcrypt -Llib-mx -lmx \
+	       -Llib-mime -lmime -Llib-crypt -lcrypt -Llib-mx -lmx \
 	       -Limap -limap -Lpop -lpop $(LIBNNTP) \
-	       -Llib-hash -lhash -Llib-sys -lsys -Llib-ui -lui \
+	       -Llib-hash -lhash -Llib-sys -lsys -Llib-ui -lui -Llib-lib -llib \
 	       $(MUTTLIBS) $(INTLLIBS) $(LIBICONV)
 
 madmutt_DEPENDENCIES = @MUTT_LIB_OBJECTS@ @LIBOBJS@ \
diff --git a/lib-lib/utf8.c b/lib-lib/utf8.c
index 7c928a6..7ac3e23 100644
--- a/lib-lib/utf8.c
+++ b/lib-lib/utf8.c
@@ -42,7 +42,7 @@ static const uint8_t __utf8_mark[7] = {
     0x00, 0x00, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc
 };
 
-static inline int ustrlen(const char *s)
+int m_ustrlen(const char *s)
 {
     int len = 0;
 
@@ -53,7 +53,7 @@ static inline int ustrlen(const char *s)
     return len;
 }
 
-static inline int ustrgetc(const char *s, const char **outp)
+int m_ustrgetc(const char *s, const char **outp)
 {
     uint32_t ret = 0;
     int trail = __utf8_trail[(unsigned char)*s];
@@ -72,7 +72,7 @@ static inline int ustrgetc(const char *s, const char **outp)
     return ret - __utf8_offs[trail];
 }
 
-static inline int ustrputc(char *dst, ssize_t n, int c)
+int m_ustrputc(char *dst, ssize_t n, int c)
 {
     int bytes = 1 + (c >= 0x80) + (c >= 0x800) + (c >= 0x10000);
 
diff --git a/lib-lib/utf8.h b/lib-lib/utf8.h
index 2f1e0da..72bf704 100644
--- a/lib-lib/utf8.h
+++ b/lib-lib/utf8.h
@@ -23,6 +23,22 @@
 /** \addtogroup mutt_strings */
 /*@{*/
 
+int m_ustrlen(const char *s);
+int m_ustrgetc(const char *s, const char **outp);
+int m_ustrputc(char *dst, ssize_t n, int c);
+
+static inline char *m_vustrskipc(char *s) {
+    if (*s++ & 0x80) {
+        while ((*s & 0xc0) == 0x80)
+            s++;
+    }
+    return s;
+}
+
+static inline const char *m_ustrskipc(const char *s) {
+    return m_vustrskipc((char *)s);
+}
+
 
 /*@}*/
 #endif /* MUTT_LIB_LIB_UTF8_H */
diff --git a/lib-ui/hdrline.c b/lib-ui/hdrline.c
index e0047a5..24aa3de 100644
--- a/lib-ui/hdrline.c
+++ b/lib-ui/hdrline.c
@@ -220,7 +220,7 @@ hdr_format_str(char *dest, ssize_t destlen,
   HEADER *hdr, *htmp;
   CONTEXT *ctx;
   char fmt[STRING], buf2[STRING], ch, *p;
-  int do_locales, i;
+  int do_locales, i, c;
   int optional = (flags & M_FORMAT_OPTIONAL);
   int threads = ((Sort & SORT_MASK) == SORT_THREADS);
   int is_index = (flags & M_FORMAT_INDEX);
@@ -576,9 +576,26 @@ hdr_format_str(char *dest, ssize_t destlen,
     break;
 
   case 'T':
-    snprintf (fmt, sizeof (fmt), "%%%sc", prefix);
-    snprintf (dest, destlen, fmt,
-              ((i = mutt_user_is_recipient(hdr)) < m_strlen(Tochars)) ? Tochars[i] : ' ');
+    i = mutt_user_is_recipient(hdr);
+    assert (i >= 0); /* help compiler to see c is initialized */
+
+    if (Charset_is_utf8) {
+        const char *s = Tochars;
+
+        snprintf (fmt, sizeof (fmt), "%%%slc", prefix);
+        while (i-- >= 0) {
+            c = m_ustrgetc(s, &s);
+            if (c <= 0) {
+                c = ' ';
+                break;
+            }
+        }
+
+        snprintf(dest, destlen, fmt, c);
+    } else {
+        snprintf(fmt, sizeof (fmt), "%%%sc", prefix);
+        snprintf(dest, destlen, fmt, i < m_strlen(Tochars) ? Tochars[i] : ' ');
+    }
     break;
 
   case 'u':
@@ -645,17 +662,38 @@ hdr_format_str(char *dest, ssize_t destlen,
     else if (hdr->security & PGPKEY)
       ch = 'K';
 
-    snprintf(buf2, sizeof (buf2), "%c%c%c",
+    if (hdr->tagged) {
+        c = '*';
+    } else
+    if (hdr->flagged) {
+        c = '!';
+    } else {
+        i = mutt_user_is_recipient(hdr);
+        assert (i >= 0); /* help compiler to see c is initialized */
+
+        if (Charset_is_utf8) {
+            const char *s = Tochars;
+
+            snprintf (fmt, sizeof (fmt), "%%%slc", prefix);
+            while (i-- >= 0) {
+                c = m_ustrgetc(s, &s);
+                if (c <= 0) {
+                    c = ' ';
+                    break;
+                }
+            }
+        } else {
+            c = i < m_strlen(Tochars) ? Tochars[i] : ' ';
+        }
+    }
+    snprintf(buf2, sizeof (buf2), Charset_is_utf8 ? "%c%c%lc" : "%c%c%c",
              (THREAD_NEW ? 'n'
               : (THREAD_OLD
                  ?  'o'
                  : ((hdr->read && (ctx && ctx->msgnotreadyet != hdr->msgno))
                     ? (hdr->replied ? 'r' : ' ')
                     : (hdr->old ?  'O' : 'N')))),
-              hdr->deleted ? 'D' : (hdr->attach_del ? 'd' : ch),
-              hdr->tagged ? '*'
-              : (hdr->flagged ? '!'
-                 : ((i = mutt_user_is_recipient(hdr)) < m_strlen(Tochars) ?  Tochars[i] : ' ')));
+              hdr->deleted ? 'D' : (hdr->attach_del ? 'd' : ch), c);
     mutt_format_s (dest, destlen, prefix, buf2);
     break;
 
-- 
2.20.1