aboutsummaryrefslogtreecommitdiff
path: root/libc/src/string/string_utils.h
diff options
context:
space:
mode:
Diffstat (limited to 'libc/src/string/string_utils.h')
-rw-r--r--libc/src/string/string_utils.h18
1 files changed, 9 insertions, 9 deletions
diff --git a/libc/src/string/string_utils.h b/libc/src/string/string_utils.h
index 7feef56..cbce62e 100644
--- a/libc/src/string/string_utils.h
+++ b/libc/src/string/string_utils.h
@@ -127,8 +127,8 @@ find_first_character_wide_read(const unsigned char *src, unsigned char ch,
size_t cur = 0;
// Step 1: read 1 byte at a time to align to block size
- for (; reinterpret_cast<uintptr_t>(char_ptr) % sizeof(Word) != 0 && cur < n;
- ++char_ptr, ++cur) {
+ for (; cur < n && reinterpret_cast<uintptr_t>(char_ptr) % sizeof(Word) != 0;
+ ++cur, ++char_ptr) {
if (*char_ptr == ch)
return const_cast<unsigned char *>(char_ptr);
}
@@ -136,18 +136,18 @@ find_first_character_wide_read(const unsigned char *src, unsigned char ch,
const Word ch_mask = repeat_byte<Word>(ch);
// Step 2: read blocks
- for (const Word *block_ptr = reinterpret_cast<const Word *>(char_ptr);
- !has_zeroes<Word>((*block_ptr) ^ ch_mask) && cur < n;
- ++block_ptr, cur += sizeof(Word)) {
- char_ptr = reinterpret_cast<const unsigned char *>(block_ptr);
- }
+ const Word *block_ptr = reinterpret_cast<const Word *>(char_ptr);
+ for (; cur < n && !has_zeroes<Word>((*block_ptr) ^ ch_mask);
+ cur += sizeof(Word), ++block_ptr)
+ ;
+ char_ptr = reinterpret_cast<const unsigned char *>(block_ptr);
// Step 3: find the match in the block
- for (; *char_ptr != ch && cur < n; ++char_ptr, ++cur) {
+ for (; cur < n && *char_ptr != ch; ++cur, ++char_ptr) {
;
}
- if (*char_ptr != ch || cur >= n)
+ if (cur >= n || *char_ptr != ch)
return static_cast<void *>(nullptr);
return const_cast<unsigned char *>(char_ptr);