C, views: made 'view_exists' function public (now 'obi_view_exists')

src/obiview.c

@@ -83,20 +83,6 @@ static char* build_obiview_file_name(const char* view_name);
 static char* build_unfinished_obiview_file_name(const char* view_name);
 
 
-/**
- * Internal function checking if a view (either finished or unfinished) with a given name already exists in a DMS.
- *
- * @param dms The DMS.
- * @param view_name The name of the view.
- *
- * @returns A boolean value indicating whether the view already exists or not.
- *
- * @since September 2016
- * @author Celine Mercier (celine.mercier@metabarcoding.org)
- */
-static bool view_exists(OBIDMS_p dms, const char* view_name);
-
-
 /**
  * Internal function checking if a view is finished.
  *
@@ -553,55 +539,6 @@ static char* build_unfinished_obiview_file_name(const char* view_name)
 }
 
 
-static bool view_exists(OBIDMS_p dms, const char* view_name)
-{
-	struct dirent* dp;
-	char*		   file_name;
-
-	// Check finished views
-	// Create file name
-	file_name = build_obiview_file_name(view_name);
-	if (file_name == NULL)
-		return -1;
-
-	rewinddir(dms->view_directory);
-	while ((dp = readdir(dms->view_directory)) != NULL)
-	{
-		if ((dp->d_name)[0] == '.')
-			continue;
-		if (strcmp(dp->d_name, file_name) == 0)
-		{
-			free(file_name);
-			return true;
-		}
-	}
-
-	free(file_name);
-
-	// Check unfinished views
-	// Create file name
-	file_name = build_unfinished_obiview_file_name(view_name);
-	if (file_name == NULL)
-		return -1;
-
-	rewinddir(dms->view_directory);
-	while ((dp = readdir(dms->view_directory)) != NULL)
-	{
-		if ((dp->d_name)[0] == '.')
-			continue;
-		if (strcmp(dp->d_name, file_name) == 0)
-		{
-			free(file_name);
-			return true;
-		}
-	}
-
-	free(file_name);
-
-	return false;
-}
-
-
 static int view_is_finished(OBIDMS_p dms, const char* view_name)
 {
 	struct dirent* dp;
@@ -1557,6 +1494,55 @@ static int view_check_all_predicates(Obiview_p view, bool write)
  **********************************************************************/
 
 
+bool obi_view_exists(OBIDMS_p dms, const char* view_name)
+{
+	struct dirent* dp;
+	char*		   file_name;
+
+	// Check finished views
+	// Create file name
+	file_name = build_obiview_file_name(view_name);
+	if (file_name == NULL)
+		return -1;
+
+	rewinddir(dms->view_directory);
+	while ((dp = readdir(dms->view_directory)) != NULL)
+	{
+		if ((dp->d_name)[0] == '.')
+			continue;
+		if (strcmp(dp->d_name, file_name) == 0)
+		{
+			free(file_name);
+			return true;
+		}
+	}
+
+	free(file_name);
+
+	// Check unfinished views
+	// Create file name
+	file_name = build_unfinished_obiview_file_name(view_name);
+	if (file_name == NULL)
+		return -1;
+
+	rewinddir(dms->view_directory);
+	while ((dp = readdir(dms->view_directory)) != NULL)
+	{
+		if ((dp->d_name)[0] == '.')
+			continue;
+		if (strcmp(dp->d_name, file_name) == 0)
+		{
+			free(file_name);
+			return true;
+		}
+	}
+
+	free(file_name);
+
+	return false;
+}
+
+
 Obiview_p obi_new_view(OBIDMS_p dms, const char* view_name, Obiview_p view_to_clone, index_t* line_selection, const char* comments)
 {
 	Obiview_p 		view;
@@ -1582,7 +1568,7 @@ Obiview_p obi_new_view(OBIDMS_p dms, const char* view_name, Obiview_p view_to_cl
 	}
 
 	// Check uniqueness of name
-	if (view_exists(dms, view_name))
+	if (obi_view_exists(dms, view_name))
 	{
 		obi_set_errno(OBIVIEW_ALREADY_EXISTS_ERROR);
 		obidebug(1, "\nName of new view ('%s') already exists", view_name);
@@ -2872,7 +2858,7 @@ int obi_delete_view(OBIDMS_p dms, const char* view_name)
 	int finished_view;
 
 	// Check that the view exists
-	if (view_exists(dms, view_name) == false)
+	if (obi_view_exists(dms, view_name) == false)
 	{
 		obi_set_errno(OBIVIEW_ERROR);
 		obidebug(1, "\nError trying to delete a view: view '%s' does not exist", view_name);

src/obiview.h

@@ -138,6 +138,20 @@ typedef struct Obiview {
 } Obiview_t, *Obiview_p;
 
 
+/**
+ * Function checking if a view (either finished or unfinished) with a given name already exists in a DMS.
+ *
+ * @param dms The DMS.
+ * @param view_name The name of the view.
+ *
+ * @returns A boolean value indicating whether the view already exists or not.
+ *
+ * @since September 2016
+ * @author Celine Mercier (celine.mercier@metabarcoding.org)
+ */
+bool obi_view_exists(OBIDMS_p dms, const char* view_name);
+
+
 /**
  * @brief Creates a new view.
  *