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Author: <jblache@debian.org>
Description: Get option descriptor 0 before getting the value for option 0.
Index: trunk/src/scanadf.c
===================================================================
--- trunk.orig/src/scanadf.c
+++ trunk/src/scanadf.c
@@ -550,15 +550,33 @@ fetch_options (SANE_Device * device)
const SANE_Option_Descriptor * opt;
SANE_Int num_dev_options;
int i, option_count;
+ SANE_Status status;
/* and now build the full table of long options: */
- sane_control_option (device, 0, SANE_ACTION_GET_VALUE, &num_dev_options, 0);
+ opt = sane_get_option_descriptor (device, 0);
+ if (opt == NULL)
+ {
+ fprintf (stderr, "Could not get option descriptor for option 0\n");
+ exit (1);
+ }
+
+ status = sane_control_option (device, 0, SANE_ACTION_GET_VALUE, &num_dev_options, 0);
+ if (status != SANE_STATUS_GOOD)
+ {
+ fprintf (stderr, "Could not get value for option 0: %s\n", sane_strstatus (status));
+ exit (1);
+ }
option_count = 0;
- for (i = 0; i < num_dev_options; ++i)
+ for (i = 1; i < num_dev_options; ++i)
{
opt = sane_get_option_descriptor (device, i);
+ if (opt == NULL)
+ {
+ fprintf (stderr, "Could not get option descriptor for option %d\n", i);
+ exit (1);
+ }
if (!SANE_OPTION_IS_SETTABLE (opt->cap))
continue;
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