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fix gratuitous undefined behavior in strptime

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accessing an object of type const char *restrict as if it had type
char * is not defined.
This commit is contained in:
Rich Felker 2016-10-20 13:22:20 -04:00
parent b24f1d2520
commit f33b175850
1 changed files with 7 additions and 2 deletions
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9
src/time/strptime.c
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@ -22,8 +22,13 @@ char *strptime(const char *restrict s, const char *restrict f, struct tm *restri
}
f++;
if (*f == '+') f++;
if (isdigit(*f)) w=strtoul(f, (void *)&f, 10);
else w=-1;
if (isdigit(*f)) {
char *new_f;
w=strtoul(f, &new_f, 10);
f = new_f;
} else {
w=-1;
}
adj=0;
switch (*f++) {
case 'a': case 'A':