diff options
Diffstat (limited to 'src/port/strtol.c')
| -rw-r--r-- | src/port/strtol.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/src/port/strtol.c b/src/port/strtol.c index 6bf14c5ff63..a948489390e 100644 --- a/src/port/strtol.c +++ b/src/port/strtol.c @@ -92,19 +92,18 @@ int base; /* * Compute the cutoff value between legal numbers and illegal numbers. - * That is the largest legal value, divided by the base. An input - * number that is greater than this value, if followed by a legal - * input character, is too big. One that is equal to this value may - * be valid or not; the limit between valid and invalid numbers is - * then based on the last digit. For instance, if the range for longs - * is [-2147483648..2147483647] and the input base is 10, cutoff will - * be set to 214748364 and cutlim to either 7 (neg==0) or 8 (neg==1), - * meaning that if we have accumulated a value > 214748364, or equal - * but the next digit is > 7 (or 8), the number is too big, and we - * will return a range error. + * That is the largest legal value, divided by the base. An input number + * that is greater than this value, if followed by a legal input + * character, is too big. One that is equal to this value may be valid or + * not; the limit between valid and invalid numbers is then based on the + * last digit. For instance, if the range for longs is + * [-2147483648..2147483647] and the input base is 10, cutoff will be set + * to 214748364 and cutlim to either 7 (neg==0) or 8 (neg==1), meaning + * that if we have accumulated a value > 214748364, or equal but the next + * digit is > 7 (or 8), the number is too big, and we will return a range + * error. * - * Set any if any `digits' consumed; make it negative to indicate - * overflow. + * Set any if any `digits' consumed; make it negative to indicate overflow. */ cutoff = neg ? -(unsigned long) LONG_MIN : LONG_MAX; cutlim = cutoff % (unsigned long) base; |