(MAX_N_FACTORS): Define in terms of sizeof (uintmax_t)

rather than hard-coding to 128.  From Thomas M.Ott.

diff --git a/src/factor.c b/src/factor.c
index 6578a77..dc8f1cc 100644 (file)
--- a/src/factor.c
+++ b/src/factor.c
@@ -42,9 +42,8 @@
 /* Token delimiters when reading from a file.  */
 #define DELIM "\n\t "
 
-/* FIXME: if this program is ever modified to factor integers larger
-   than 2^128, this constant (and the algorithm :-) will have to change.  */
-#define MAX_N_FACTORS 128
+/* The maximum number of factors, including -1, for negative numbers.  */
+#define MAX_N_FACTORS (sizeof (uintmax_t) * CHAR_BIT)
 
 /* The trial divisor increment wheel.  Use it to skip over divisors that
    are composites of 2, 3, 5, 7, or 11.  The part from WHEEL_START up to