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Remove undefined behaviors

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This commit is contained in:
Justine Tunney 2021-05-16 11:16:28 -07:00
parent 4864565198
commit b3838173ec
51 changed files with 756 additions and 1302 deletions
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2
libc/str/memchr.c
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@ -31,7 +31,7 @@ void *memchr(const void *m, int c, size_t n) {
uint64_t v, w;
const char *p, *pe;
c &= 255;
v = 0x0101010101010101 * c;
v = 0x0101010101010101ul * c;
for (p = m, pe = p + n; p + 8 <= pe; p += 8) {
w = (uint64_t)(255 & p[7]) << 070 | (uint64_t)(255 & p[6]) << 060 |
(uint64_t)(255 & p[5]) << 050 | (uint64_t)(255 & p[4]) << 040 |