_Static_assert() requires message

At least until C23, even if GCC allows it w/o errors being raised.

Author: henrygab

client/src/wiegand_formats.c

@@ -717,9 +717,9 @@ static const uint8_t S12906b_odd_parity_bit_0[]   = {  1,  2,  4,  5,   7,  8, 1
 static const uint8_t S12906b_even_parity_bit_9[]  = {  2,  3,  5,  6,   8, 11, 13, 14,   16, 17, 19, 20,   22, 23, 25, 26,   28, 29, 31, 32,   34, 35 };
 static const uint8_t S12906b_even_parity_bit_10[] = {  1,  3,  4,  6,   7, 11, 12, 14,   15, 17, 18, 20,   21, 23, 24, 26,   27, 29, 30, 32,   33, 35 };
 #define S12906b_BITS_USED_BY_PARITY (22u)
-_Static_assert((sizeof( S12906b_odd_parity_bit_0 ) / sizeof( S12906b_odd_parity_bit_0 [0])) == S12906b_BITS_USED_BY_PARITY);
-_Static_assert((sizeof(S12906b_even_parity_bit_9 ) / sizeof(S12906b_even_parity_bit_9 [0])) == S12906b_BITS_USED_BY_PARITY);
-_Static_assert((sizeof(S12906b_even_parity_bit_10) / sizeof(S12906b_even_parity_bit_10[0])) == S12906b_BITS_USED_BY_PARITY);
+_Static_assert((sizeof( S12906b_odd_parity_bit_0 ) / sizeof( S12906b_odd_parity_bit_0 [0])) == S12906b_BITS_USED_BY_PARITY, "Wrong array length");
+_Static_assert((sizeof(S12906b_even_parity_bit_9 ) / sizeof(S12906b_even_parity_bit_9 [0])) == S12906b_BITS_USED_BY_PARITY, "Wrong array length");
+_Static_assert((sizeof(S12906b_even_parity_bit_10) / sizeof(S12906b_even_parity_bit_10[0])) == S12906b_BITS_USED_BY_PARITY, "Wrong array length");
 
 static bool Pack_S12906b(int format_idx, wiegand_card_t *card, wiegand_message_t *packed, bool preamble) {
     memset(packed, 0, sizeof(wiegand_message_t));