Bracked unbracketed macro arguments while looking for another bug.

diff --git a/source/lib/snprintf.c b/source/lib/snprintf.c
index 70ce95916fc41a662435a959899008a53d6259b2..18ef848c5ab6c126aff17837c26199374920181e 100644 (file)
--- a/source/lib/snprintf.c
+++ b/source/lib/snprintf.c
@@ -139,8 +139,8 @@ static void dopr_outch (char *buffer, size_t *currlen, size_t maxlen, char c );
 #define DP_C_LDOUBLE 3
 #define DP_C_LLONG   4
 
-#define char_to_int(p) (p - '0')
-#define MAX(p,q) ((p >= q) ? p : q)
+#define char_to_int(p) ((p)- '0')
+#define MAX(p,q) (((p) >= (q)) ? (p) : (q))
 
 static void dopr (char *buffer, size_t maxlen, const char *format, va_list args)
 {