fuse: Add tests for guestmount.

[libguestfs.git] / fuse / guestmount.c

diff --git a/fuse/guestmount.c b/fuse/guestmount.c
index c7220c0..ba0d626 100644 (file)
--- a/fuse/guestmount.c
+++ b/fuse/guestmount.c
@@ -46,6 +46,7 @@
 
 #include "progname.h"
 
+#include "guestmount.h"
 #include "dircache.h"
 
 /* See <attr/xattr.h> */
@@ -53,21 +54,6 @@
 #define ENOATTR ENODATA
 #endif
 
-#ifdef HAVE_GETTEXT
-#include "gettext.h"
-#define _(str) dgettext(PACKAGE, (str))
-//#define N_(str) dgettext(PACKAGE, (str))
-#else
-#define _(str) str
-//#define N_(str) str
-#endif
-
-static inline char *
-bad_cast (char const *s)
-{
-  return (char *) s;
-}
-
 static guestfs_h *g = NULL;
 static int read_only = 0;
 int verbose = 0;
@@ -360,8 +346,10 @@ fg_readlink (const char *path, char *buf, size_t size)
   memcpy (buf, r, len);
   buf[len] = '\0';
 
-  if (free_it)
-    free ((char *) r);
+  if (free_it) {
+    char *tmp = (char *) r;
+    free (tmp);
+  }
 
   return 0;
 }
@@ -439,7 +427,7 @@ fg_symlink (const char *from, const char *to)
 
   dir_cache_invalidate (to);
 
-  r = guestfs_ln_s (g, to, from);
+  r = guestfs_ln_s (g, from, to);
   if (r == -1)
     return error ();
 
@@ -453,6 +441,7 @@ fg_rename (const char *from, const char *to)
 
   if (read_only) return -EROFS;
 
+  dir_cache_invalidate (from);
   dir_cache_invalidate (to);
 
   /* XXX It's not clear how close the 'mv' command is to the
@@ -473,9 +462,10 @@ fg_link (const char *from, const char *to)
 
   if (read_only) return -EROFS;
 
+  dir_cache_invalidate (from);
   dir_cache_invalidate (to);
 
-  r = guestfs_ln (g, to, from);
+  r = guestfs_ln (g, from, to);
   if (r == -1)
     return error ();
 
@@ -630,8 +620,14 @@ fg_read (const char *path, char *buf, size_t size, off_t offset,
   if (size > limit)
     size = limit;
 
+  /* Note the correct error handling here is tricky, because in the
+   * case where the call returns a zero-length buffer, it might return
+   * NULL.  However it won't adjust rsize along the error path, so we
+   * can set rsize to something beforehand and use that as a flag.
+   */
+  rsize = 1;
   r = guestfs_pread (g, path, size, offset, &rsize);
-  if (r == NULL)
+  if (rsize == 1 && r == NULL)
     return error ();
 
   /* This should never happen, but at least it stops us overflowing