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Fix warnings

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This change fixes Cosmopolitan so it has fewer opinions about compiler
warnings. The whole repository had to be cleaned up to be buildable in
-Werror -Wall mode. This lets us benefit from things like strict const
checking. Some actual bugs might have been caught too.
This commit is contained in:
Justine Tunney 2023-09-01 20:49:13 -07:00
parent e2b3c3618e
commit 0d748ad58e
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GPG key ID: BE714B4575D6E328
571 changed files with 1306 additions and 1888 deletions
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2
libc/str/isutf8.c
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@ -51,7 +51,6 @@ static const char kUtf8Dispatch[] = {
*/
dontasan bool isutf8(const void *data, size_t size) {
long c;
unsigned m;
const char *p, *e;
if (size == -1) size = data ? strlen(data) : 0;
if (IsAsan()) __asan_verify(data, size);
@ -62,6 +61,7 @@ dontasan bool isutf8(const void *data, size_t size) {
typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
if (!((intptr_t)p & 15)) {
for (;;) {
unsigned m;
if ((m = __builtin_ia32_pmovmskb128(*(xmm_t *)p >= (xmm_t){0}) ^
0xffff)) {
m = __builtin_ctzll(m);