/* io.c - ber general i/o routines */
/* $OpenLDAP$ */
/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/* Portions
#include "lber-int.h"
-static ber_slen_t BerRead LDAP_P((
- Sockbuf *sb,
- char *buf,
- ber_len_t len ));
-
-static int ber_realloc LDAP_P((
- BerElement *ber,
- ber_len_t len ));
-
#define EXBUFSIZ 1024
/* probably far too large... */
static ber_slen_t
BerRead(
Sockbuf *sb,
- char *buf,
+ unsigned char *buf,
ber_len_t len )
{
ber_slen_t c;
assert( SOCKBUF_VALID( sb ) );
while ( len > 0 ) {
- if ( (c = ber_pvt_sb_read( sb, buf, len )) <= 0 ) {
+ if ( (c = ber_int_sb_read( sb, buf, len )) <= 0 ) {
if ( nread > 0 )
break;
return( c );
}
- buf+= c;
+ buf+=c;
nread+=c;
len-=c;
}
}
}
-static int
+int
ber_realloc( BerElement *ber, ber_len_t len )
{
ber_len_t need, have, total;
assert( sb != NULL );
assert( ber != NULL );
- assert( SOCKBUF_VALID( ber ) );
+ assert( SOCKBUF_VALID( sb ) );
assert( BER_VALID( ber ) );
if ( ber->ber_rwptr == NULL ) {
if ( sb->sb_debug ) {
ber_log_printf( LDAP_DEBUG_ANY, sb->sb_debug,
- "ber_flush: %ld bytes to sd %ld%s\n", towrite,
- (long) sb->sb_sd, ber->ber_rwptr != ber->ber_buf ? " (re-flush)"
- : "" );
+ "ber_flush: %ld bytes to sd %ld%s\n",
+ towrite, (long) sb->sb_fd,
+ ber->ber_rwptr != ber->ber_buf ? " (re-flush)" : "" );
ber_log_bprint( LDAP_DEBUG_PACKETS, sb->sb_debug,
ber->ber_rwptr, towrite );
}
-#if HAVE_WRITE
- if ( sb->sb_options & (LBER_TO_FILE | LBER_TO_FILE_ONLY) ) {
- rc = write( sb->sb_fd, ber->ber_rwptr, towrite );
- if ( sb->sb_options & LBER_TO_FILE_ONLY ) {
- if ( freeit )
- ber_free( ber, 1 );
- return( (int)rc );
- }
- }
-#endif
-
nwritten = 0;
do {
- rc = ber_pvt_sb_write( sb, ber->ber_rwptr, towrite );
+ rc = ber_int_sb_write( sb, ber->ber_rwptr, towrite );
if (rc<=0) {
return -1;
}
assert( sb != NULL );
assert( SOCKBUF_VALID( sb ) );
- if ( ber_pvt_sb_read( sb, (char *) &xbyte, 1 ) != 1 )
+ if ( ber_int_sb_read( sb, (char *) &xbyte, 1 ) != 1 )
return( LBER_DEFAULT );
if ( (xbyte & LBER_BIG_TAG_MASK) != LBER_BIG_TAG_MASK )
tagp = (char *) &tag;
tagp[0] = xbyte;
for ( i = 1; i < sizeof(ber_tag_t); i++ ) {
- if ( ber_pvt_sb_read( sb, (char *) &xbyte, 1 ) != 1 )
+ if ( ber_int_sb_read( sb, (char *) &xbyte, 1 ) != 1 )
return( LBER_DEFAULT );
tagp[i] = xbyte;
/*
* A rewrite of ber_get_next that can safely be called multiple times
- * for the same packet. It will simply continue were it stopped until
+ * for the same packet. It will simply continue where it stopped until
* a full packet is read.
*/
if (PTR_IN_VAR(ber->ber_rwptr, ber->ber_tag)) {
if (ber->ber_rwptr == (char *) &ber->ber_tag) {
- if (ber_pvt_sb_read( sb, ber->ber_rwptr, 1)<=0)
+ if (ber_int_sb_read( sb, ber->ber_rwptr, 1)<=0)
return LBER_DEFAULT;
if ((ber->ber_rwptr[0] & LBER_BIG_TAG_MASK)
!= LBER_BIG_TAG_MASK) {
}
do {
/* reading the tag... */
- if (ber_pvt_sb_read( sb, ber->ber_rwptr, 1)<=0)
+ if (ber_int_sb_read( sb, ber->ber_rwptr, 1)<=0) {
return LBER_DEFAULT;
+ }
+
if (! (ber->ber_rwptr[0] & LBER_MORE_TAG_MASK) ) {
ber->ber_tag>>=sizeof(ber->ber_tag) -
((char *) &ber->ber_tag - ber->ber_rwptr);
goto get_lenbyte;
}
} while( PTR_IN_VAR(ber->ber_rwptr, ber->ber_tag ));
+
errno = ERANGE; /* this is a serious error. */
return LBER_DEFAULT;
}
get_lenbyte:
if (ber->ber_rwptr==(char *) &ber->ber_usertag) {
unsigned char c;
- if (ber_pvt_sb_read( sb, (char *) &c, 1)<=0)
+ if (ber_int_sb_read( sb, (char *) &c, 1)<=0)
return LBER_DEFAULT;
if (c & 0x80U) {
int len = c & 0x7fU;
to_go = (char *) &ber->ber_len + sizeof( ber->ber_len ) -
ber->ber_rwptr;
assert( to_go > 0 );
- res = ber_pvt_sb_read( sb, netlen, to_go );
+ res = BerRead( sb, netlen, to_go );
if (res <= 0) {
return LBER_DEFAULT;
}
ber->ber_rwptr += res;
- if (res==to_go) {
- /* convert length. */
- ber->ber_len = 0;
- for( to_go = 0; to_go < res ; to_go++ ) {
- ber->ber_len <<= 8;
- ber->ber_len |= netlen[to_go];
- }
- goto fill_buffer;
- } else {
-#if defined( EWOULDBLOCK )
- errno = EWOULDBLOCK;
-#elif defined( EAGAIN )
- errno = EAGAIN;
-#endif
- return LBER_DEFAULT;
+ /* convert length. */
+ ber->ber_len = 0;
+ for( to_go = 0; to_go < res ; to_go++ ) {
+ ber->ber_len <<= 8;
+ ber->ber_len |= netlen[to_go];
}
}
to_go = ber->ber_end - ber->ber_rwptr;
assert( to_go > 0 );
- res = ber_pvt_sb_read( sb, ber->ber_rwptr, to_go );
+ res = ber_int_sb_read( sb, ber->ber_rwptr, to_go );
if (res<=0)
return LBER_DEFAULT;
ber->ber_rwptr+=res;