X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fstdlib%2Fatoll.c;h=b69304895a35c9143ec27ac61ec3a2d24c7a5a59;hp=0e03e0a1a9496b9c8e041c7a26fd4d63b1174bd3;hb=0c4188f6d76fad021a93eb1012630c717bda80a1;hpb=3ed8c9f2df0b5f0bfe1006037c46d4f32ec6ca7b

diff --git a/src/stdlib/atoll.c b/src/stdlib/atoll.c
index 0e03e0a1..b6930489 100644
--- a/src/stdlib/atoll.c
+++ b/src/stdlib/atoll.c
@@ -10,7 +10,8 @@ long long atoll(const char *s)
 	case '-': neg=1;
 	case '+': s++;
 	}
+	/* Compute n as a negative number to avoid overflow on LLONG_MIN */
 	while (isdigit(*s))
-		n = 10*n + *s++ - '0';
-	return neg ? -n : n;
+		n = 10*n - (*s++ - '0');
+	return neg ? n : -n;
 }