static char *
get_path_name (const char *hex_name, char *path_name, size_t path_size)
{
char *path;
size_t size = snprintf (path_name, path_size, "%s%s%s%s",
_datadir, FILE_SEP_STR, hex_name,
".xml");
if (size > -1 || size < path_size)
return path_name;
if (size > -1)
path_size = size + 1;
else
path_size *= 2;
if (0 == path_size)
path_size = 512;
path = t_realloc (path_name, path_size, char);
if (!path)
{
delete (path_name);
return NULL;
}
path_name = path;
return get_path_name (hex_name, path_name, path_size);
}
char* get_app_path(char* buf, int buflen)
{
#ifdef WIN32
GetModuleFileName(NULL, buf, buflen);
#elif defined(LINUX)
readlink("/proc/self/exe", buf, buflen);
#endif
REGULAR_PATH(buf);
return get_path_name(buf, buf, buflen);
}
/*! \brief Attempts to merge model information from a data file.
*/
static SANE_Status
_model_info_merge_file (_model_info_t *self)
{
xmlDocPtr doc = NULL;
char *path_name = NULL;
char *hex_name = NULL;
require (self);
hex_name = fw_name_to_hex (self->fw_name);
if (!hex_name) return SANE_STATUS_NO_MEM;
path_name = get_path_name (hex_name, NULL, 0);
delete (hex_name); /* no longer needed */
if (!path_name) return SANE_STATUS_NO_MEM;
log_data ("%s", path_name);
doc = xmlReadFile (path_name, NULL,
XML_PARSE_NOERROR | XML_PARSE_NOWARNING);
delete (path_name); /* no longer needed */
if (doc)
{
_model_info_merge_data (self, xmlDocGetRootElement (doc));
xmlFreeDoc (doc);
}
else
{
xmlErrorPtr p = xmlGetLastError ();
if (p) err_minor ("%s", p->message);
}
return SANE_STATUS_GOOD;
}
