fix overflow corner case in strtoul-family functions

[musl] / src / internal / intscan.c

diff --git a/src/internal/intscan.c b/src/internal/intscan.c
index 69350ef..65d497e 100644 (file)
--- a/src/internal/intscan.c
+++ b/src/internal/intscan.c
@@ -83,6 +83,7 @@ unsigned long long __intscan(FILE *f, unsigned base, int pok, unsigned long long
                for (; val[c]<base; c=shgetc(f));
                errno = ERANGE;
                y = lim;
+               if (lim&1) neg = 0;
        }
 done:
        shunget(f);