Changeset 3473 for trunk/libtransmission/metainfo.c

Timestamp:

Oct 20, 2007, 3:17:36 PM (15 years ago)

Author:

charles

Message:

dead code removal.

File:

• trunk/libtransmission/metainfo.c (modified) (1 diff)

trunk/libtransmission/metainfo.c

@@ -56 +56 @@
                        benc_val_t * files, benc_val_t * length );
 
+/***
+****
+***/
+
+#define WANTBYTES( want, got ) \
+    if( (want) > (got) ) { return; } else { (got) -= (want); }
+static void
+strlcat_utf8( void * dest, const void * src, size_t len, char skip )
+{
+    char       * s      = dest;
+    const char * append = src;
+    const char * p;
+
+    /* don't overwrite the nul at the end */
+    len--;
+
+    /* Go to the end of the destination string */
+    while( s[0] )
+    {
+        s++;
+        len--;
+    }
+
+    /* Now start appending, converting on the fly if necessary */
+    for( p = append; p[0]; )
+    {
+        /* skip over the requested character */
+        if( skip == p[0] )
+        {
+            p++;
+            continue;
+        }
+
+        if( !( p[0] & 0x80 ) )
+        {
+            /* ASCII character */
+            WANTBYTES( 1, len );
+            *(s++) = *(p++);
+            continue;
+        }
+
+        if( ( p[0] & 0xE0 ) == 0xC0 && ( p[1] & 0xC0 ) == 0x80 )
+        {
+            /* 2-bytes UTF-8 character */
+            WANTBYTES( 2, len );
+            *(s++) = *(p++); *(s++) = *(p++);
+            continue;
+        }
+
+        if( ( p[0] & 0xF0 ) == 0xE0 && ( p[1] & 0xC0 ) == 0x80 &&
+            ( p[2] & 0xC0 ) == 0x80 )
+        {
+            /* 3-bytes UTF-8 character */
+            WANTBYTES( 3, len );
+            *(s++) = *(p++); *(s++) = *(p++);
+            *(s++) = *(p++);
+            continue;
+        }
+
+        if( ( p[0] & 0xF8 ) == 0xF0 && ( p[1] & 0xC0 ) == 0x80 &&
+            ( p[2] & 0xC0 ) == 0x80 && ( p[3] & 0xC0 ) == 0x80 )
+        {
+            /* 4-bytes UTF-8 character */
+            WANTBYTES( 4, len );
+            *(s++) = *(p++); *(s++) = *(p++);
+            *(s++) = *(p++); *(s++) = *(p++);
+            continue;
+        }
+
+        /* ISO 8859-1 -> UTF-8 conversion */
+        WANTBYTES( 2, len );
+        *(s++) = 0xC0 | ( ( *p & 0xFF ) >> 6 );
+        *(s++) = 0x80 | ( *(p++) & 0x3F );
+    }
+}
+
 /***********************************************************************
  * tr_metainfoParse