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SCP: sprint_val comma bug

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- Fix comma separator code segmentation fault: "ndigit - 3" can become a
  very large unsigned number for ndigit < 3.
This commit is contained in:
B. Scott Michel 2024-03-21 13:55:52 -10:00 committed by Mark Pizzolato
parent eab060315e
commit f7dfefee72
1 changed files with 1 additions and 1 deletions
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scp.c
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@ -12459,7 +12459,7 @@ switch (format) {
break;
ndigits = MAX_WIDTH - digit;
commas = (ndigits - 1)/3;
for (digit=0; digit<ndigits-3; digit++)
for (digit=0; (digit + 3) < ndigits; digit++)
dbuf[MAX_WIDTH + (digit - ndigits) - (ndigits - digit - 1)/3] = dbuf[MAX_WIDTH + (digit - ndigits)];
for (digit=1; digit<=commas; digit++)
dbuf[MAX_WIDTH - (digit * 4)] = ',';