feature: allow to specify mount options

include/webfuse/mountpoint.h

@@ -45,7 +45,7 @@ wf_mountpoint_create(
 ///
 /// \param mountpoint pointer to the mountpoint
 //------------------------------------------------------------------------------
-extern WF_API void 
+extern WF_API void
 wf_mountpoint_dispose(
     struct wf_mountpoint * mountpoint);
 
@@ -55,7 +55,7 @@ wf_mountpoint_dispose(
 /// \param mountpoint pointer to the mountpoint
 /// \return local path of the mountpoint
 //------------------------------------------------------------------------------
-extern WF_API char const * 
+extern WF_API char const *
 wf_mountpoint_get_path(
     struct wf_mountpoint const * mountpoint);
 
@@ -76,6 +76,20 @@ wf_mountpoint_set_userdata(
     void * user_data,
     wf_mountpoint_userdata_dispose_fn * dispose);
 
+//------------------------------------------------------------------------------
+/// \brief Adds a mount option.
+///
+/// Mount options are passed to libfuse when a filesystem is mounted.
+/// See libfuse documenation for allowed values.
+///
+/// \param mountpoint pointer to the mountpooint
+/// \param option value of the mount option
+//------------------------------------------------------------------------------
+extern WF_API void
+wf_mountpoint_add_mountoption(
+    struct wf_mountpoint * mountpoint,
+    char const * option);
+
 #ifdef __cplusplus
 }
 #endif

lib/webfuse/api.c

@@ -140,7 +140,7 @@ void wf_server_config_add_authenticator(
     wf_impl_server_config_add_authenticator(config, type, authenticate, user_data);
 }
 
-// credentials 
+// credentials
 
 char const * wf_credentials_type(
     struct wf_credentials const * credentials)
@@ -179,14 +179,14 @@ wf_mountpoint_create(
     return wf_impl_mountpoint_create(path);
 }
 
-void 
+void
 wf_mountpoint_dispose(
     struct wf_mountpoint * mountpoint)
 {
     wf_impl_mountpoint_dispose(mountpoint);
 }
 
-char const * 
+char const *
 wf_mountpoint_get_path(
     struct wf_mountpoint const * mountpoint)
 {
@@ -202,6 +202,14 @@ wf_mountpoint_set_userdata(
     wf_impl_mountpoint_set_userdata(mountpoint, user_data, dispose);
 }
 
+void
+wf_mountpoint_add_mountoption(
+    struct wf_mountpoint * mountpoint,
+    char const * option)
+{
+    wf_impl_mountpoint_add_mountoption(mountpoint, option);
+}
+
 // client
 
 struct wf_client *

lib/webfuse/impl/filesystem.c

@@ -37,17 +37,16 @@ static void wf_impl_filesystem_cleanup(
 	fuse_session_reset(filesystem->session);
 	fuse_session_unmount(filesystem->session);
 	fuse_session_destroy(filesystem->session);
-	filesystem->session = NULL;		
+	filesystem->session = NULL;
 
 	free(filesystem->buffer.mem);
-	fuse_opt_free_args(&filesystem->args);    
+	fuse_opt_free_args(&filesystem->args);
 
 	wf_mountpoint_dispose(filesystem->mountpoint);
 
 	free(filesystem->user_data.name);
 }
 
-
 static bool wf_impl_filesystem_init(
     struct wf_impl_filesystem * filesystem,
     struct lws * session_wsi,
@@ -56,10 +55,9 @@ static bool wf_impl_filesystem_init(
 	struct wf_mountpoint * mountpoint)
 {
 	bool result = false;
-	
-	char * argv[] = {"", NULL};
-	filesystem->args.argc = 1;
-	filesystem->args.argv = argv;
+
+	filesystem->args.argc = mountpoint->options.size;
+	filesystem->args.argv = mountpoint->options.items;
 	filesystem->args.allocated = 0;
 
 	filesystem->user_data.proxy = proxy;
@@ -90,7 +88,7 @@ static bool wf_impl_filesystem_init(
 		if (NULL == filesystem->wsi)
 		{
 			wf_impl_filesystem_cleanup(filesystem);
-			result = false; 
+			result = false;
 		}
 
 	}

lib/webfuse/impl/mountpoint.c

@@ -3,12 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-struct wf_mountpoint
-{
-    char * path;
-    void * user_data;
-    wf_mountpoint_userdata_dispose_fn * dispose;
-};
+#define WF_MOUNTOPTIONS_INITIAL_CAPACITY 8
 
 struct wf_mountpoint *
 wf_impl_mountpoint_create(
@@ -18,11 +13,16 @@ wf_impl_mountpoint_create(
     mountpoint->path = strdup(path);
     mountpoint->user_data = NULL;
     mountpoint->dispose = NULL;
+    mountpoint->options.size = 1;
+    mountpoint->options.capacity = WF_MOUNTOPTIONS_INITIAL_CAPACITY;
+    mountpoint->options.items = malloc(sizeof(char*) * mountpoint->options.capacity);
+    mountpoint->options.items[0] = strdup("");
+    mountpoint->options.items[1] = NULL;
 
     return mountpoint;
 }
 
-void 
+void
 wf_impl_mountpoint_dispose(
     struct wf_mountpoint * mountpoint)
 {
@@ -31,11 +31,17 @@ wf_impl_mountpoint_dispose(
         mountpoint->dispose(mountpoint->user_data);
     }
 
+    for(size_t i = 0; i < mountpoint->options.size; i++)
+    {
+        free(mountpoint->options.items[i]);
+    }
+    free(mountpoint->options.items);
+
     free(mountpoint->path);
     free(mountpoint);
 }
 
-char const * 
+char const *
 wf_impl_mountpoint_get_path(
     struct wf_mountpoint const * mountpoint)
 {
@@ -51,3 +57,20 @@ wf_impl_mountpoint_set_userdata(
     mountpoint->user_data = user_data;
     mountpoint->dispose = dispose;
 }
+
+void
+wf_impl_mountpoint_add_mountoption(
+    struct wf_mountpoint * mountpoint,
+    char const * option)
+{
+    if ((mountpoint->options.size + 1) >= mountpoint->options.capacity)
+    {
+        mountpoint->options.capacity *= 2;
+        mountpoint->options.items = realloc(mountpoint->options.items,
+            sizeof(char*) * mountpoint->options.capacity);
+    }
+
+    mountpoint->options.items[mountpoint->options.size] = strdup(option);
+    mountpoint->options.items[mountpoint->options.size + 1] = NULL;
+    mountpoint->options.size++;
+}

lib/webfuse/impl/mountpoint.h

@@ -3,20 +3,41 @@
 
 #include "webfuse/mountpoint.h"
 
+#ifndef __cplusplus
+#include <stddef.h>
+#else
+#include <cstddef>
+#endif
+
 #ifdef __cplusplus
 extern "C"
 {
 #endif
 
+struct wf_mountoptions
+{
+    char * * items;
+    size_t size;
+    size_t capacity;
+};
+
+struct wf_mountpoint
+{
+    char * path;
+    void * user_data;
+    wf_mountpoint_userdata_dispose_fn * dispose;
+    struct wf_mountoptions options;
+};
+
 extern struct wf_mountpoint *
 wf_impl_mountpoint_create(
     char const * path);
 
-extern void 
+extern void
 wf_impl_mountpoint_dispose(
     struct wf_mountpoint * mountpoint);
 
-extern char const * 
+extern char const *
 wf_impl_mountpoint_get_path(
     struct wf_mountpoint const * mountpoint);
 
@@ -26,6 +47,11 @@ wf_impl_mountpoint_set_userdata(
     void * user_data,
     wf_mountpoint_userdata_dispose_fn * dispose);
 
+extern void
+wf_impl_mountpoint_add_mountoption(
+    struct wf_mountpoint * mountpoint,
+    char const * option);
+
 #ifdef __cplusplus
 }
 #endif