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remove obfuscated flags bit-twiddling logic in __stdio_read

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replace with simple conditional that doesn't rely on assumption that
cnt is either 0 or -1.
This commit is contained in:
Rich Felker 2018-02-24 10:43:13 -05:00
parent b123f23952
commit 9bf9c732f9
1 changed files with 1 additions and 1 deletions
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2
src/stdio/__stdio_read.c
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@ -11,7 +11,7 @@ size_t __stdio_read(FILE *f, unsigned char *buf, size_t len)
cnt = syscall(SYS_readv, f->fd, iov, 2);
if (cnt <= 0) {
f->flags |= F_EOF ^ ((F_ERR^F_EOF) & cnt);
f->flags |= cnt ? F_ERR : F_EOF;
return cnt;
}
if (cnt <= iov[0].iov_len) return cnt;