Fixed a keylisting bug

NEWS

@@ -10,7 +10,7 @@ Noteworthy changes in version 0.2.3 (2001-09-17)
 
  * Added a simple encryption component for MS-Windows; however the
    build procedure might have some problems.
-o
+
 Noteworthy changes in version 0.2.2 (2001-06-12)
 ------------------------------------------------
  

configure.in

@@ -31,7 +31,7 @@ AM_MAINTAINER_MODE
 #    AGE, set REVISION to 0.
 # 3. Interfaces removed (BAD, breaks upward compatibility): Increment
 #    CURRENT, set AGE and REVISION to 0.
-AM_INIT_AUTOMAKE(gpgme,0.2.3)
+AM_INIT_AUTOMAKE(gpgme,0.2.3a)
 # 
 LIBGPGME_LT_CURRENT=4
 LIBGPGME_LT_AGE=4

gpgme/ChangeLog

@@ -1,3 +1,11 @@
+2001-09-17  Werner Koch  <wk@gnupg.org>
+
+	* keylist.c (finish_key): Shortcut for no tmp_key.  Changed all
+	callers to use this function without a check for tmp_key.
+	
+	* keylist.c (gpgme_op_keylist_next): Reset the key_cond after
+	emptying the queue.  Bug reported by Rick van Rein.
+
 2001-09-12  Werner Koch  <wk@gnupg.org>
 
 	* data.c (gpgme_data_rewind): Allow rewind for callbacks.

gpgme/gpgme.h

@@ -88,7 +88,7 @@ typedef enum {
     GPGME_No_Passphrase = 19,
     GPGME_Canceled = 20,
     GPGME_Invalid_Key = 21,
-    GPGME_Invalid_Engine = 22,
+    GPGME_Invalid_Engine = 22
 } GpgmeError;
 
 typedef enum {

gpgme/keylist.c

@@ -44,8 +44,7 @@ keylist_status_handler ( GpgmeCtx ctx, GpgStatusCode code, char *args )
 
     switch (code) {
       case STATUS_EOF:
-        if (ctx->tmp_key)
-            finish_key (ctx);
+        finish_key (ctx);
         break;
 
       default:
@@ -157,8 +156,7 @@ keylist_colon_handler ( GpgmeCtx ctx, char *line )
     if ( ctx->out_of_core )
         return;
     if (!line) { /* EOF */
-        if (ctx->tmp_key)
-            finish_key (ctx);
+        finish_key (ctx);
         return; 
     }
 
@@ -198,8 +196,7 @@ keylist_colon_handler ( GpgmeCtx ctx, char *line )
                     return;
                 }
                 rectype = RT_PUB;
-                if ( ctx->tmp_key )
-                    finish_key ( ctx );
+                finish_key ( ctx );
                 assert ( !ctx->tmp_key );
                 ctx->tmp_key = key;
             }
@@ -210,8 +207,7 @@ keylist_colon_handler ( GpgmeCtx ctx, char *line )
                     return;
                 }
                 rectype = RT_SEC;
-                if ( ctx->tmp_key )
-                    finish_key ( ctx );
+                finish_key ( ctx );
                 assert ( !ctx->tmp_key );
                 ctx->tmp_key = key;
             }
@@ -345,29 +341,30 @@ finish_key ( GpgmeCtx ctx )
     GpgmeKey key = ctx->tmp_key;
     struct key_queue_item_s *q, *q2;
 
-    assert (key);
-    ctx->tmp_key = NULL;
-
-    _gpgme_key_cache_add (key);
-
-    q = xtrymalloc ( sizeof *q );
-    if ( !q ) {
-        gpgme_key_release (key);
-        ctx->out_of_core = 1;
-        return;
+    if (key) {
+        ctx->tmp_key = NULL;
+        
+        _gpgme_key_cache_add (key);
+        
+        q = xtrymalloc ( sizeof *q );
+        if ( !q ) {
+            gpgme_key_release (key);
+            ctx->out_of_core = 1;
+            return;
+        }
+        q->key = key;
+        q->next = NULL;
+        /* fixme: lock queue. Use a tail pointer? */
+        if ( !(q2 = ctx->key_queue) )
+            ctx->key_queue = q;
+        else {
+            for ( ; q2->next; q2 = q2->next )
+                ;
+            q2->next = q;
+        }
+        ctx->key_cond = 1;
+        /* fixme: unlock queue */
     }
-    q->key = key;
-    q->next = NULL;
-    /* fixme: lock queue. Use a tail pointer? */
-    if ( !(q2 = ctx->key_queue) )
-        ctx->key_queue = q;
-    else {
-        for ( ; q2->next; q2 = q2->next )
-            ;
-        q2->next = q;
-    }
-    ctx->key_cond = 1;
-    /* fixme: unlock queue */
 }
 
 
@@ -482,6 +479,8 @@ gpgme_op_keylist_next ( GpgmeCtx c, GpgmeKey *r_key )
     }
     q = c->key_queue;
     c->key_queue = q->next;
+    if (!c->key_queue)
+        c->key_cond = 0;
 
     *r_key = q->key;
     xfree (q);

gpgme/wait.c

@@ -139,7 +139,7 @@ _gpgme_remove_proc_from_wait_queue ( int pid )
  * @hang: 
  * 
  * Wait for a finished request, if @c is given the function does only
- * wait on a finsihed request for that context, otherwise it will return
+ * wait on a finished request for that context, otherwise it will return
  * on any request.  When @hang is true the function will wait, otherwise
  * it will return immediately when there is no pending finished request.
  * 

tests/t-keylist.c

@@ -94,6 +94,34 @@ doit ( GpgmeCtx ctx, const char *pattern )
 }
 
 
+/* 
+ * Check that there are no problems when we are using two context for
+ * listing keys. 
+ */
+static void
+check_two_contexts (void)
+{
+    GpgmeError err;
+    GpgmeCtx ctx1, ctx2;
+    GpgmeKey key;
+	
+    err = gpgme_new(&ctx1); fail_if_err (err);
+    err = gpgme_op_keylist_start(ctx1, "", 1); fail_if_err (err);
+    err = gpgme_new(&ctx2); fail_if_err (err);
+    err = gpgme_op_keylist_start(ctx2, "", 1); fail_if_err (err);
+
+    while ( (err=gpgme_op_keylist_next(ctx2, &key)) != GPGME_EOF) {
+        gpgme_key_release (key);
+    }
+    if (err != GPGME_EOF)
+        fail_if_err (err);
+    while ( (err=gpgme_op_keylist_next(ctx1, &key)) != GPGME_EOF) {
+        gpgme_key_release (key);
+    }
+    if (err != GPGME_EOF)
+        fail_if_err (err);
+}
+
 int 
 main (int argc, char **argv )
 {
@@ -112,6 +140,9 @@ main (int argc, char **argv )
     }
     pattern = argc? *argv : NULL;
 
+    err = gpgme_check_engine();
+    fail_if_err (err);
+
     err = gpgme_new (&ctx);
     fail_if_err (err);
     gpgme_set_keylist_mode (ctx, 1); /* no validity calculation */
@@ -121,6 +152,8 @@ main (int argc, char **argv )
     } while ( loop );
     gpgme_release (ctx);
 
+    check_two_contexts ();
+
     return 0;
 }