Optimize ISSPACE checks in UTF8StringNormalize

This commit is contained in:
Howard Chu 2002-01-01 04:43:03 +00:00
parent 7d12cbe341
commit 3d8d9344dd

View File

@ -493,12 +493,14 @@ UTF8StringNormalize(
struct berval *normalized )
{
char *p, *q, *s;
int len = 0;
p = val->bv_val;
/* Ignore initial whitespace */
while ( ldap_utf8_isspace( p ) ) {
LDAP_UTF8_INCR( p );
/* All space is ASCII. All ASCII is 1 byte */
while ( ASCII_SPACE( *p ) ) {
p++;
}
if( *p == '\0' ) {
@ -513,31 +515,28 @@ UTF8StringNormalize(
s = NULL;
while ( *p ) {
int len;
if ( ldap_utf8_isspace( p ) ) {
len = LDAP_UTF8_COPY(q,p);
s=q;
p+=len;
q+=len;
q += len;
if ( ASCII_SPACE( *p ) ) {
s = q - len;
len = 1;
*q = *p++;
/* Ignore the extra whitespace */
while ( ldap_utf8_isspace( p ) ) {
LDAP_UTF8_INCR( p );
while ( ASCII_SPACE( *p ) ) {
p++;
}
} else {
len = LDAP_UTF8_COPY(q,p);
s=NULL;
p+=len;
q+=len;
}
}
assert( normalized->bv_val < p );
assert( q <= p );
assert( q+len <= p );
/* cannot start with a space */
assert( !ldap_utf8_isspace(normalized->bv_val) );
assert( !ASCII_SPACE(normalized->bv_val[0]) );
/*
* If the string ended in space, backup the pointer one
@ -550,7 +549,9 @@ UTF8StringNormalize(
}
/* cannot end with a space */
assert( !ldap_utf8_isspace( LDAP_UTF8_PREV(q) ) );
assert( !ASCII_SPACE( *q ) );
q += len;
/* null terminate */
*q = '\0';
@ -560,7 +561,7 @@ UTF8StringNormalize(
return LDAP_SUCCESS;
}
/* Returns Unicode cannonically normalized copy of a substring assertion
/* Returns Unicode canonically normalized copy of a substring assertion
* Skipping attribute description */
static SubstringsAssertion *
UTF8SubstringsassertionNormalize(