Merge branch 'feature/upstream' into develop

1 files changed, 22 insertions, 3 deletions

diff --git a/frontend/scanimage.c b/frontend/scanimage.c
index b587b9d..d79d487 100644
--- a/frontend/scanimage.c
+++ b/frontend/scanimage.c
@@ -40,6 +40,14 @@
 #include <unistd.h>
 #include <stdarg.h>
 
+#ifdef __FreeBSD__
+#include <libgen.h>
+#endif
+
+#if defined (__APPLE__) && defined (__MACH__)
+#include <libgen.h>     // for basename()
+#endif
+
 #include <sys/types.h>
 #include <sys/stat.h>
 
@@ -917,9 +925,10 @@ fetch_options (SANE_Device * device)
 	  scanimage_exit (1);
 	}
 
-      /* create command line option only for settable options */
-      if (!SANE_OPTION_IS_SETTABLE (opt->cap) || opt->type == SANE_TYPE_GROUP)
-	continue;
+      /* create command line option only for non-group options */
+      /* Also we sometimes see options with no name in rogue backends. */
+      if ((opt->type == SANE_TYPE_GROUP) || (opt->name == NULL))
+        continue;
 
       option_number[option_count] = i;
 
@@ -1072,6 +1081,12 @@ process_backend_option (SANE_Handle device, int optnum, const char *optarg)
 
   opt = sane_get_option_descriptor (device, optnum);
 
+  if (!SANE_OPTION_IS_SETTABLE (opt->cap))
+    {
+      fprintf (stderr, "%s: attempted to set readonly option %s\n",
+               prog_name, opt->name);
+      scanimage_exit (1);
+    }
   if (!SANE_OPTION_IS_ACTIVE (opt->cap))
     {
       fprintf (stderr, "%s: attempted to set inactive option %s\n",
@@ -2013,6 +2028,10 @@ static void print_options(SANE_Device * device, SANE_Int num_dev_options, SANE_B
       if (!opt)
 	opt = sane_get_option_descriptor (device, i);
 
+      /* Some options from rogue backends are empty. */
+      if (opt->name == NULL)
+        continue;
+
       if (ro || SANE_OPTION_IS_SETTABLE (opt->cap)
 	  || opt->type == SANE_TYPE_GROUP)
 	print_option (device, i, opt);