/*
* Like strcat(), except if any URL-special characters are found in s2
* they are escaped using the %HH convention and backslash characters are
* converted to forward slashes on Windows.
*
* Maximum space needed in s1 is 3 * strlen( s2 ) + 1.
*
* A similar function that does not convert the slashes called
* strcat_escaped() can be found in ../../libraries/libldap/tmplout.c
*/
static void
strcpy_escaped_and_convert( char *s1, char *s2 )
{
char *p, *q;
char *hexdig = "0123456789ABCDEF";
p = s1 + strlen( s1 );
for ( q = s2; *q != '\0'; ++q ) {
#ifdef _WINDOWS
if ( *q == '\\' ) {
*p++ = '/';
} else
#endif /* _WINDOWS */
if ( HREF_CHAR_ACCEPTABLE( *q )) {
*p++ = *q;
} else {
*p++ = '%';
*p++ = hexdig[ 0x0F & ((*(unsigned char*)q) >> 4) ];
*p++ = hexdig[ 0x0F & *q ];
}
}
*p = '\0';
}
static void
strcat_escaped( char *s1, char *s2 )
{
char *p, *q;
char *hexdig = "0123456789ABCDEF";
p = s1 + strlen( s1 );
for ( q = s2; *q != '\0'; ++q ) {
if ( HREF_CHAR_ACCEPTABLE( *q )) {
*p++ = *q;
} else {
*p++ = '%';
*p++ = hexdig[ *q >> 4 ];
*p++ = hexdig[ *q & 0x0F ];
}
}
*p = '\0';
}
