# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1619039798 -7200
# Node ID 9c16274efd4e3e4494916f8d26079d3808df00f8
# Parent  e944e1a088b5a336f500a2290757eeebea535f46
Added a function for opening files via a named capability.

diff -r e944e1a088b5 -r 9c16274efd4e libfsclient/include/fsclient/client.h
--- a/libfsclient/include/fsclient/client.h	Sun Apr 18 22:32:54 2021 +0200
+++ b/libfsclient/include/fsclient/client.h	Wed Apr 21 23:16:38 2021 +0200
@@ -31,6 +31,7 @@
 
 void client_close(file_t *file);
 file_t *client_open(const char *name, flags_t flags);
+file_t *client_open_device(const char *cap, const char *name, flags_t flags);
 long client_pipe(file_t **reader, file_t **writer);
 
 /* File and region operations. */
diff -r e944e1a088b5 -r 9c16274efd4e libfsclient/lib/src/client.cc
--- a/libfsclient/lib/src/client.cc	Sun Apr 18 22:32:54 2021 +0200
+++ b/libfsclient/lib/src/client.cc	Wed Apr 21 23:16:38 2021 +0200
@@ -51,12 +51,19 @@
 
 file_t *client_open(const char *name, flags_t flags)
 {
+  return client_open_device("server", name, flags);
+}
+
+/* Open a filesystem object via a named capability. */
+
+file_t *client_open_device(const char *cap, const char *name, flags_t flags)
+{
   file_t *file = (file_t *) malloc(sizeof(file_t));
 
   if (file == NULL)
     return NULL;
 
-  l4_cap_idx_t server = l4re_env_get_cap("server");
+  l4_cap_idx_t server = l4re_env_get_cap(cap);
 
   if (file_open(file, name, flags, server))
   {