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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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7
libc/str/strstr.c
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@ -37,13 +37,13 @@ typedef char xmm_t __attribute__((__vector_size__(16), __aligned__(16)));
*/
dontasan char *strstr(const char *haystack, const char *needle) {
#if defined(__x86_64__) && !defined(__chibicc__)
xmm_t *p;
size_t i;
unsigned k, m;
const xmm_t *p;
xmm_t v, n, z = {0};
if (IsAsan()) __asan_verify(needle, 1);
if (IsAsan()) __asan_verify(haystack, 1);
if (haystack == needle || !*needle) return haystack;
if (haystack == needle || !*needle) return (char *)haystack;
n = (xmm_t){*needle, *needle, *needle, *needle, *needle, *needle,
*needle, *needle, *needle, *needle, *needle, *needle,
*needle, *needle, *needle, *needle};
@ -69,8 +69,7 @@ dontasan char *strstr(const char *haystack, const char *needle) {
return 0;
#else
size_t i;
unsigned k, m;
if (haystack == needle || !*needle) return haystack;
if (haystack == needle || !*needle) return (void *)haystack;
for (;;) {
for (i = 0;; ++i) {
if (!needle[i]) return (/*unconst*/ char *)haystack;