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some bug fixes

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This commit is contained in:
Werner Koch 1998-11-18 19:59:06 +00:00
parent 4cad562da9
commit f9d2bd8cb9
14 changed files with 441 additions and 225 deletions
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52
util/strgutil.c
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@ -275,13 +275,59 @@ native_to_utf8( const char *string )
/****************
* Convert string, which is in UTF8 to native encoding. Replace
* illegal encodings by some "\xnn".
* This code assumes that native is iso-8859-1.
*/
char *
utf8_to_native( const char *string )
{
/* FIXME: Not yet done */
return m_strdup(string);
#if 0
const byte *s;
size_t n;
byte *buffer, *p;
/* quick check whether we actually have characters with bit 8 set */
for( s=string; *s; s++ )
if( *s & 0x80 )
break;
if( !*s ) /* that is easy */
return m_strdup(string);
/* count the extended utf-8 characters */
110x xxxx
1110 xxxx
1111 0xxx
for( n=1, s=string; *s; s++ ) {
if( !(*s & 0x80) )
n++;
else if( (*s & 0xe0) == 0xc0 )
n += 2;
else if( (*s & 0xf0) == 0xe0 )
n += 3;
else if( (*s & 0xf8) == 0xf0 )
n += 4;
else
n++; /* invalid encoding */
}
buffer = p = m_alloc( n );
for( s=string; *s; ) {
if( !(*s & 0x80) )
*p++ = *s++;
else if( (*s & 0xe0) == 0xc0 ) {
u32 val;
if( (s[1] & 0xc0) != 0x80 )
;
val = (*s << 6) | (s[1] & 0x3f);
}
else if( (*s & 0xf0) == 0xe0 )
n += 3;
else if( (*s & 0xf8) == 0xf0 )
n += 4;
else
n++; /* invalid encoding */
}
#endif
return m_strdup(string);
}