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altos: Allow AO_CONFIG_MAX_SIZE to be configured. Validate it.
[fw/altos]
/
src
/
kernel
/
ao_config.h
diff --git
a/src/kernel/ao_config.h
b/src/kernel/ao_config.h
index 85673764e62c5d0f8a781ae328646c8d49506a0e..7ad221c68487d77df865739e653829ea5605f7f9 100644
(file)
--- a/
src/kernel/ao_config.h
+++ b/
src/kernel/ao_config.h
@@
-112,7
+112,12
@@
struct ao_config {
#define AO_PAD_ORIENTATION_ANTENNA_UP 0
#define AO_PAD_ORIENTATION_ANTENNA_DOWN 1
#define AO_PAD_ORIENTATION_ANTENNA_UP 0
#define AO_PAD_ORIENTATION_ANTENNA_DOWN 1
+#ifndef AO_CONFIG_MAX_SIZE
#define AO_CONFIG_MAX_SIZE 128
#define AO_CONFIG_MAX_SIZE 128
+#endif
+
+/* Make sure AO_CONFIG_MAX_SIZE is big enough */
+typedef uint8_t config_check_space[(int) (AO_CONFIG_MAX_SIZE - sizeof (struct ao_config))];
extern __xdata struct ao_config ao_config;
extern __pdata uint8_t ao_config_loaded;
extern __xdata struct ao_config ao_config;
extern __pdata uint8_t ao_config_loaded;