Initial version of control free/dup functions.

diff --git a/libraries/libldap/controls.c b/libraries/libldap/controls.c
new file mode 100644 (file)
index 0000000..c00836e
--- /dev/null
+++ b/libraries/libldap/controls.c
@@ -0,0 +1,142 @@
+/*
+ * LDAP controls
+ */
+
+#include "portable.h"
+
+#include <ac/time.h>
+#include <ac/string.h>
+
+#include "ldap-int.h"
+
+/*
+ * Free a LDAPControl
+ */
+void
+ldap_control_free( LDAPControl *c )
+{
+       if ( c != NULL ) {
+               if( c->ldctl_oid != NULL) {
+                       free( c->ldctl_oid );
+               }
+
+               if( c->ldctl_value.bv_val != NULL ) {
+                       free( c->ldctl_value.bv_val );
+               }
+
+               free( c );
+       }
+}
+
+/*
+ * Free an array of LDAPControl's
+ */
+void
+ldap_controls_free( LDAPControl **controls )
+{
+       if ( controls != NULL ) {
+               LDAPControl *c;
+
+               for(c = *controls; c != NULL; c++) {
+                       ldap_control_free( c );
+               }
+
+               free( controls );
+       }
+}
+
+/*
+ * Duplicate an array of LDAPControl
+ */
+LDAPControl **ldap_controls_dup( LDAPControl **controls )
+{
+       LDAPControl **new;
+       int i;
+
+       if ( controls == NULL ) {
+               return NULL;
+       }
+
+       /* count the controls */
+       for(i=0; controls[i] != NULL; i++) /* empty */ ;
+
+       if( i < 1 ) {
+               /* no controls to duplicate */
+               return NULL;
+       }
+
+       new = (LDAPControl **) malloc( i * sizeof(LDAPControl *) );
+
+       if( new == NULL ) {
+               /* memory allocation failure */
+               return NULL;
+       }
+
+       /* duplicate the controls */
+       for(i=0; controls[i] != NULL; i++) {
+               new[i] = ldap_control_dup( controls[i] );
+
+               if( new[i] == NULL ) {
+                       ldap_controls_free( new );
+                       return NULL;
+               }
+       }
+
+       new[i] = NULL;
+
+       return new;
+}
+
+/*
+ * Duplicate a LDAPControl
+ */
+LDAPControl *ldap_control_dup( LDAPControl *c )
+{
+       LDAPControl *new;
+
+       if ( c == NULL ) {
+               return NULL;
+       }
+
+       new = (LDAPControl *) malloc( sizeof(LDAPControl) );
+
+       if( new == NULL ) {
+               return NULL;
+       }
+
+       if( c->ldctl_oid != NULL ) {
+               new->ldctl_oid = ldap_strdup( c->ldctl_oid );
+
+               if(new->ldctl_oid == NULL) {
+                       free( new );
+                       return NULL;
+               }
+
+       } else {
+               new->ldctl_oid = NULL;
+       }
+
+       if( c->ldctl_value.bv_len > 0 ) {
+               new->ldctl_value.bv_val = (char *) malloc( c->ldctl_value.bv_len );
+
+               if(new->ldctl_value.bv_val == NULL) {
+                       if(new->ldctl_oid != NULL) {
+                               free( new->ldctl_oid );
+                       }
+                       free( new );
+                       return NULL;
+               }
+               
+               SAFEMEMCPY( new->ldctl_value.bv_val, c->ldctl_value.bv_val, 
+                       c->ldctl_value.bv_len );
+
+               new->ldctl_value.bv_len = c->ldctl_value.bv_len;
+
+       } else {
+               new->ldctl_value.bv_len = 0;
+               new->ldctl_value.bv_val = NULL;
+       }
+
+       new->ldctl_iscritical = c->ldctl_iscritical;
+       return new;
+}