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m4: Fix OOB access displaying MIN_INT

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Previously displaying INT_MIN resulted in an out of bounds access to
digits[-8].  In twos-complement -INT_MIN is still negative.

PR:		287013
Reviewed by:	emaste
This commit is contained in:
Eric Blake 2025-05-24 13:21:38 -04:00 committed by Ed Maste
parent ac196a5845
commit ab4edcd552
1 changed files with 1 additions and 1 deletions
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2
usr.bin/m4/misc.c
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@ -121,7 +121,7 @@ void
pbnumbase(int n, int base, int d)
{
static char digits[36] = "0123456789abcdefghijklmnopqrstuvwxyz";
int num;
unsigned int num;
int printed = 0;
if (base > 36)