1 files changed, 37 insertions, 0 deletions
diff --git a/src/qxl_option_helpers.c b/src/qxl_option_helpers.c
new file mode 100644
index 0000000..47603ce
--- /dev/null
+++ b/src/qxl_option_helpers.c
@@ -0,0 +1,37 @@
+#include <stdlib.h>
+
+#include <xf86.h>
+#include <xf86Opt.h>
+
+#include "qxl_option_helpers.h"
+
+int get_int_option(OptionInfoPtr options, int option_index,
+                   const char *env_name)
+{
+    if (env_name && getenv(env_name)) {
+        return atoi(getenv(env_name));
+    }
+    return options[option_index].value.num;
+}
+
+const char *get_str_option(OptionInfoPtr options, int option_index,
+                           const char *env_name)
+{
+    if (getenv(env_name)) {
+        return getenv(env_name);
+    }
+    return options[option_index].value.str;
+}
+
+int get_bool_option(OptionInfoPtr options, int option_index,
+                     const char *env_name)
+{
+    if (getenv(env_name)) {
+        /* we don't support the whole range of boolean true and
+         * false values documented in man xorg.conf, just the c
+         * convention - 0 is false, anything else is true, so
+         * just like a number. */
+        return !!atoi(getenv(env_name));
+    }
+    return options[option_index].value.bool;
+}