Add a bunch of g_return_val_if_fail checks.

diff --git a/src/osm-db.c b/src/osm-db.c
index bd9b7b66c15ff41f39321b97492ae17dfa3aafc7..1e3a2d9952b273faf73e3c94389aa44bf6c78672 100644 (file)
--- a/src/osm-db.c
+++ b/src/osm-db.c
@@ -491,6 +491,8 @@ osm_place_get(guint32 id, gint lat, gint lon, osm_place **nr)
 {
 osm_place *n;
 
+g_return_val_if_fail(sql.select_place, FALSE);
+
 n=*nr;
 n=osm_place_cache_lookup(id);
 if (n) {
@@ -541,6 +543,8 @@ osm_find_nearest_place(node_type_t type, gint lat, gint lon, osm_place **nr)
 gint range;
 osm_place *n=NULL;
 
+g_return_val_if_fail(sql.select_place_near, FALSE);
+
 switch (type) {
        case NODE_PLACE_SUBURB:
                range=95000;
@@ -607,6 +611,8 @@ osm_way *w;
 gulong tms;
 guint wc=0;
 
+g_return_val_if_fail(sql.select_way2, NULL);
+
 sqlite3_reset(sql.select_way2);
 sqlite3_clear_bindings(sql.select_way2);
 
@@ -664,6 +670,9 @@ osm_way *w;
 guint wc=0;
 sqlite3_stmt *psql=NULL;
 
+g_return_val_if_fail(sql.select_node_next, FALSE);
+g_return_val_if_fail(sql.select_node_prev, FALSE);
+
 switch (d) {
        case OSM_NODE_NEXT:
                psql=sql.select_node_next;
@@ -832,6 +841,8 @@ return cw;
 osm_way_node *
 osm_way_get_prev_node(osm_way *w)
 {
+g_return_val_if_fail(sql.select_way_prev_seg, NULL);
+
 sqlite3_reset(sql.select_way_prev_seg);
 sqlite3_clear_bindings(sql.select_way_prev_seg);
 
@@ -859,6 +870,8 @@ return NULL;
 osm_way_node *
 osm_way_get_next_node(osm_way *w)
 {
+g_return_val_if_fail(sql.select_way_next_seg, NULL);
+
 sqlite3_reset(sql.select_way_next_seg);
 sqlite3_clear_bindings(sql.select_way_next_seg);
 
@@ -889,6 +902,8 @@ osm_way_get_nodes(osm_way *w)
 if (w->nodes!=NULL)
        return TRUE;
 
+g_return_val_if_fail(sql.select_way_nodes, FALSE);
+
 sqlite3_reset(sql.select_way_nodes);
 sqlite3_clear_bindings(sql.select_way_nodes);
 
@@ -917,6 +932,8 @@ return (w->nodes==NULL) ? FALSE : TRUE;
 gboolean
 osm_way_get_name(osm_way *w)
 {
+g_return_val_if_fail(sql.select_way_name, FALSE);
+
 sqlite3_reset(sql.select_way_name);
 sqlite3_clear_bindings(sql.select_way_name);
 
@@ -937,6 +954,8 @@ return FALSE;
 gboolean
 osm_way_get_name_nls(osm_way *w)
 {
+g_return_val_if_fail(sql.select_way_name_nls, FALSE);
+
 sqlite3_reset(sql.select_way_name_nls);
 sqlite3_clear_bindings(sql.select_way_name_nls);
 
@@ -963,6 +982,8 @@ return FALSE;
 gboolean
 osm_way_get_ref(osm_way *w)
 {
+g_return_val_if_fail(sql.select_way_ref, FALSE);
+
 sqlite3_reset(sql.select_way_ref);
 sqlite3_clear_bindings(sql.select_way_ref);
 
@@ -1124,6 +1145,9 @@ guint rows=0;
 gchar tmp1[16], tmp2[16];
 gdouble range=6;
 
+g_return_val_if_fail(sql.select_place_search, FALSE);
+g_return_val_if_fail(text, FALSE);
+
 ltext=g_strdup_printf("%s%%", text);
 
 if (SQLITE_OK != sqlite3_bind_double(sql.select_place_search, 1, lat) ||
@@ -1195,6 +1219,9 @@ guint rows=0;
 gchar tmp1[16], tmp2[16];
 gdouble range=6;
 
+g_return_val_if_fail(sql.select_way_name_search, FALSE);
+g_return_val_if_fail(text, FALSE);
+
 g_debug("Way Search: [%s] around %.6f %.6f", text, lat, lon);
 
 ltext=g_strdup_printf("%s%%", text);