feature: allow to specify mount options

include/webfuse/mountpoint.h

@@ -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

@@ -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

@@ -47,7 +47,6 @@ static void wf_impl_filesystem_cleanup(
 	free(filesystem->user_data.name);
 }
 
-
 static bool wf_impl_filesystem_init(
     struct wf_impl_filesystem * filesystem,
     struct lws * session_wsi,
@@ -57,9 +56,8 @@ static bool wf_impl_filesystem_init(
 {
 	bool result = false;
 
-	char * argv[] = {"", NULL};
+	filesystem->args.argc = mountpoint->options.size;
-	filesystem->args.argc = 1;
+	filesystem->args.argv = mountpoint->options.items;
-	filesystem->args.argv = argv;
 	filesystem->args.allocated = 0;
 
 	filesystem->user_data.proxy = proxy;

lib/webfuse/impl/mountpoint.c

@@ -3,12 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-struct wf_mountpoint
+#define WF_MOUNTOPTIONS_INITIAL_CAPACITY 8
-{
-    char * path;
-    void * user_data;
-    wf_mountpoint_userdata_dispose_fn * dispose;
-};
 
 struct wf_mountpoint *
 wf_impl_mountpoint_create(
@@ -18,6 +13,11 @@ 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;
 }
@@ -31,6 +31,12 @@ 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);
 }
@@ -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

@@ -3,11 +3,32 @@
 
 #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);
@@ -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