Merge pull request #586 from Lastique/patch-1

Avoid initializing local char table when converting nibble to hex
cisco · Dec 11, 2021 · f94f402 · f94f402
2 parents 3ed0e36 + db4dc89
commit f94f402
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/crypto/math/datatypes.c b/crypto/math/datatypes.c
@@ -64,8 +64,8 @@ static char bit_string[MAX_PRINT_STRING_LEN + 1];
 
 uint8_t srtp_nibble_to_hex_char(uint8_t nibble)
 {
-    char buf[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
-                     '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+    static const char buf[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
+                                  '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
     return buf[nibble & 0xF];
 }