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roken: Fix UB

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This commit is contained in:
Nicolas Williams
2022-10-26 01:54:19 -05:00
parent 3e1befe633
commit 07abfdb1a9
1 changed files with 6 additions and 3 deletions
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9
lib/roken/snprintf.c
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@@ -449,13 +449,16 @@ xyzprintf (struct snprintf_state *state, const char *char_format, va_list ap)
break;
case 'd' :
case 'i' : {
longest arg;
u_longest num;
int64_t arg;
uint64_t num;
int minusp = 0;
PARSE_INT_FORMAT(arg, ap, signed);
if (arg < 0) {
if (arg == INT64_MIN) {
minusp = 1;
num = (uint64_t)INT64_MAX + 1;
} else if (arg < 0) {
minusp = 1;
num = -arg;
} else