+char **anlist2charray( AttributeName *an, int dup )
+{
+ return anlist2charray_x( an, dup, NULL );
+}
+
+char**
+anlist2attrs( AttributeName * anlist )
+{
+ int i, j, k = 0;
+ int n;
+ char **attrs;
+ ObjectClass *oc;
+
+ if ( anlist == NULL )
+ return NULL;
+
+ for ( i = 0; anlist[i].an_name.bv_val; i++ ) {
+ if ( ( oc = anlist[i].an_oc ) ) {
+ for ( j = 0; oc->soc_required && oc->soc_required[j]; j++ ) ;
+ k += j;
+ for ( j = 0; oc->soc_allowed && oc->soc_allowed[j]; j++ ) ;
+ k += j;
+ }
+ }
+
+ if ( i == 0 )
+ return NULL;
+
+ attrs = anlist2charray( anlist, 1 );
+
+ n = i;
+
+ if ( k )
+ attrs = (char **) ch_realloc( attrs, (i + k + 1) * sizeof( char * ));
+
+ for ( i = 0; anlist[i].an_name.bv_val; i++ ) {
+ if ( ( oc = anlist[i].an_oc ) ) {
+ for ( j = 0; oc->soc_required && oc->soc_required[j]; j++ ) {
+ attrs[n++] = ch_strdup(
+ oc->soc_required[j]->sat_cname.bv_val );
+ }
+ for ( j = 0; oc->soc_allowed && oc->soc_allowed[j]; j++ ) {
+ attrs[n++] = ch_strdup(
+ oc->soc_allowed[j]->sat_cname.bv_val );
+ }
+ }
+ }
+
+ if ( attrs )
+ attrs[n] = NULL;
+
+ i = 0;
+ while ( attrs && attrs[i] ) {
+ if ( *attrs[i] == '@' ) {
+ ch_free( attrs[i] );
+ for ( j = i; attrs[j]; j++ ) {
+ attrs[j] = attrs[j+1];
+ }
+ } else {
+ i++;
+ }
+ }
+
+ for ( i = 0; attrs && attrs[i]; i++ ) {
+ j = i + 1;
+ while ( attrs && attrs[j] ) {
+ if ( !strcmp( attrs[i], attrs[j] )) {
+ ch_free( attrs[j] );
+ for ( k = j; attrs && attrs[k]; k++ ) {
+ attrs[k] = attrs[k+1];
+ }
+ } else {
+ j++;
+ }
+ }
+ }
+
+ if ( i != n )
+ attrs = (char **) ch_realloc( attrs, (i+1) * sizeof( char * ));
+
+ return attrs;
+}
+
+#define LBUFSIZ 80
+AttributeName*
+file2anlist( AttributeName *an, const char *fname, const char *brkstr )
+{
+ FILE *fp;
+ char *line = NULL;
+ char *lcur = NULL;
+ char *c;
+ size_t lmax = LBUFSIZ;
+
+ fp = fopen( fname, "r" );
+ if ( fp == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "get_attrs_from_file: failed to open attribute list file "
+ "\"%s\": %s\n", fname, strerror(errno), 0 );
+ return NULL;
+ }
+
+ lcur = line = (char *) ch_malloc( lmax );
+ if ( !line ) {
+ Debug( LDAP_DEBUG_ANY,
+ "get_attrs_from_file: could not allocate memory\n",
+ 0, 0, 0 );
+ fclose(fp);
+ return NULL;
+ }
+
+ while ( fgets( lcur, LBUFSIZ, fp ) != NULL ) {
+ if ( ( c = strchr( lcur, '\n' ) ) ) {
+ if ( c == line ) {
+ *c = '\0';
+ } else if ( *(c-1) == '\r' ) {
+ *(c-1) = '\0';
+ } else {
+ *c = '\0';
+ }
+ } else {
+ lmax += LBUFSIZ;
+ line = (char *) ch_realloc( line, lmax );
+ if ( !line ) {
+ Debug( LDAP_DEBUG_ANY,
+ "get_attrs_from_file: could not allocate memory\n",
+ 0, 0, 0 );
+ fclose(fp);
+ return NULL;
+ }
+ lcur = line + strlen( line );
+ continue;
+ }
+ an = str2anlist( an, line, brkstr );
+ if ( an == NULL )
+ break;
+ lcur = line;
+ }
+ ch_free( line );
+ fclose(fp);
+ return an;
+}
+#undef LBUFSIZ