[PATCH] lib: constify arguments to notmuch_query_get_*

diff --git a/bf/af42475b0132b8941dd8fad3623cc848e321de b/bf/af42475b0132b8941dd8fad3623cc848e321de
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+++ b/bf/af42475b0132b8941dd8fad3623cc848e321de
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+From: David Bremner <david@tethera.net>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH] lib: constify arguments to notmuch_query_get_*\r
+Date: Wed, 23 Sep 2015 08:59:14 -0300\r
+Message-Id: <1443009554-26766-1-git-send-email-david@tethera.net>\r
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+\r
+These functions are all just accessors, and it's pretty clear they don't\r
+modify the query struct. This also fixes one warning I created when I\r
+introduced status.c.\r
+---\r
+ lib/notmuch.h | 6 +++---\r
+ lib/query.cc  | 6 +++---\r
+ 2 files changed, 6 insertions(+), 6 deletions(-)\r
+\r
+diff --git a/lib/notmuch.h b/lib/notmuch.h\r
+index 86b5b4d..8775683 100644\r
+--- a/lib/notmuch.h\r
++++ b/lib/notmuch.h\r
+@@ -728,13 +728,13 @@ typedef enum {\r
+  * Return the query_string of this query. See notmuch_query_create.\r
+  */\r
+ const char *\r
+-notmuch_query_get_query_string (notmuch_query_t *query);\r
++notmuch_query_get_query_string (const notmuch_query_t *query);\r
+ \r
+ /**\r
+  * Return the notmuch database of this query. See notmuch_query_create.\r
+  */\r
+ notmuch_database_t *\r
+-notmuch_query_get_database (notmuch_query_t *query);\r
++notmuch_query_get_database (const notmuch_query_t *query);\r
+ \r
+ /**\r
+  * Exclude values for notmuch_query_set_omit_excluded. The strange\r
+@@ -791,7 +791,7 @@ notmuch_query_set_sort (notmuch_query_t *query, notmuch_sort_t sort);\r
+  * notmuch_query_set_sort.\r
+  */\r
+ notmuch_sort_t\r
+-notmuch_query_get_sort (notmuch_query_t *query);\r
++notmuch_query_get_sort (const notmuch_query_t *query);\r
+ \r
+ /**\r
+  * Add a tag that will be excluded from the query results by default.\r
+diff --git a/lib/query.cc b/lib/query.cc\r
+index f53215d..8cf0a07 100644\r
+--- a/lib/query.cc\r
++++ b/lib/query.cc\r
+@@ -98,7 +98,7 @@ notmuch_query_create (notmuch_database_t *notmuch,\r
+ }\r
+ \r
+ const char *\r
+-notmuch_query_get_query_string (notmuch_query_t *query)\r
++notmuch_query_get_query_string (const notmuch_query_t *query)\r
+ {\r
+     return query->query_string;\r
+ }\r
+@@ -117,7 +117,7 @@ notmuch_query_set_sort (notmuch_query_t *query, notmuch_sort_t sort)\r
+ }\r
+ \r
+ notmuch_sort_t\r
+-notmuch_query_get_sort (notmuch_query_t *query)\r
++notmuch_query_get_sort (const notmuch_query_t *query)\r
+ {\r
+     return query->sort;\r
+ }\r
+@@ -660,7 +660,7 @@ notmuch_query_count_threads (notmuch_query_t *query)\r
+ }\r
+ \r
+ notmuch_database_t *\r
+-notmuch_query_get_database (notmuch_query_t *query)\r
++notmuch_query_get_database (const notmuch_query_t *query)\r
+ {\r
+     return query->notmuch;\r
+ }\r
+-- \r
+2.5.1\r
+\r