From: Christian Grothoff <christian@grothoff.org>
Date: Tue, 26 Oct 2010 22:26:09 +0000 (+0000)
Subject: api to remove keyword
X-Git-Tag: initial-import-from-subversion-38251~19942
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=4c4162597814cdbbdd5748024671c03615b203d3;p=oweals%2Fgnunet.git

api to remove keyword
---

diff --git a/src/fs/fs_uri.c b/src/fs/fs_uri.c
index 781871824..dff4b8686 100644
--- a/src/fs/fs_uri.c
+++ b/src/fs/fs_uri.c
@@ -798,6 +798,37 @@ GNUNET_FS_uri_ksk_add_keyword (struct GNUNET_FS_Uri *uri,
 }
 
 
+/**
+ * Remove the given keyword from the set of keywords represented by the URI.
+ * Does nothing if the keyword is not present.
+ *
+ * @param uri ksk uri to modify
+ * @param keyword keyword to add
+ */
+void
+GNUNET_FS_uri_ksk_remove_keyword (struct GNUNET_FS_Uri *uri,
+				  const char *keyword)
+{
+  unsigned int i;
+  char *old;
+
+  GNUNET_assert (uri->type == ksk);
+  for (i = 0; i < uri->data.ksk.keywordCount; i++)
+    {
+      old = uri->data.ksk.keywords[i];
+      if (0 == strcmp (&old[1], keyword))
+	{
+	  uri->data.ksk.keywords[i] = uri->data.ksk.keywords[uri->data.ksk.keywordCount-1];
+	  GNUNET_array_grow (uri->data.ksk.keywords,
+			     uri->data.ksk.keywordCount,
+			     uri->data.ksk.keywordCount - 1);
+	  GNUNET_free (old);
+	  return;
+	}
+    }
+}
+
+
 /**
  * Obtain the identity of the peer offering the data
  *
diff --git a/src/include/gnunet_fs_service.h b/src/include/gnunet_fs_service.h
index 8477c534d..0e5dccc2d 100644
--- a/src/include/gnunet_fs_service.h
+++ b/src/include/gnunet_fs_service.h
@@ -128,6 +128,18 @@ GNUNET_FS_uri_ksk_add_keyword (struct GNUNET_FS_Uri *uri,
 			       int is_mandatory);
 
 
+/**
+ * Remove the given keyword from the set of keywords represented by the URI.
+ * Does nothing if the keyword is not present.
+ *
+ * @param uri ksk uri to modify
+ * @param keyword keyword to add
+ */
+void
+GNUNET_FS_uri_ksk_remove_keyword (struct GNUNET_FS_Uri *uri,
+				  const char *keyword);
+
+
 /**
  * Convert a UTF-8 String to a URI.
  *