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Unified Diff: fusl/src/string/memchr.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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Index: fusl/src/string/memchr.c
diff --git a/fusl/src/string/memchr.c b/fusl/src/string/memchr.c
index 4daff7bbc4634c6162b0158fc3bc893c9b697d53..237f748f424aead2a98f9171d8a85e1e336a1f2c 100644
--- a/fusl/src/string/memchr.c
+++ b/fusl/src/string/memchr.c
@@ -3,21 +3,23 @@
#include <limits.h>
#define SS (sizeof(size_t))
-#define ALIGN (sizeof(size_t)-1)
-#define ONES ((size_t)-1/UCHAR_MAX)
-#define HIGHS (ONES * (UCHAR_MAX/2+1))
-#define HASZERO(x) ((x)-ONES & ~(x) & HIGHS)
+#define ALIGN (sizeof(size_t) - 1)
+#define ONES ((size_t)-1 / UCHAR_MAX)
+#define HIGHS (ONES * (UCHAR_MAX / 2 + 1))
+#define HASZERO(x) ((x)-ONES & ~(x)&HIGHS)
-void *memchr(const void *src, int c, size_t n)
-{
- const unsigned char *s = src;
- c = (unsigned char)c;
- for (; ((uintptr_t)s & ALIGN) && n && *s != c; s++, n--);
- if (n && *s != c) {
- const size_t *w;
- size_t k = ONES * c;
- for (w = (const void *)s; n>=SS && !HASZERO(*w^k); w++, n-=SS);
- for (s = (const void *)w; n && *s != c; s++, n--);
- }
- return n ? (void *)s : 0;
+void* memchr(const void* src, int c, size_t n) {
+ const unsigned char* s = src;
+ c = (unsigned char)c;
+ for (; ((uintptr_t)s & ALIGN) && n && *s != c; s++, n--)
+ ;
+ if (n && *s != c) {
+ const size_t* w;
+ size_t k = ONES * c;
+ for (w = (const void*)s; n >= SS && !HASZERO(*w ^ k); w++, n -= SS)
+ ;
+ for (s = (const void*)w; n && *s != c; s++, n--)
+ ;
+ }
+ return n ? (void*)s : 0;
}

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