Fix warnings

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
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
571 changed files with 1306 additions and 1888 deletions

View file

@ -0,0 +1,40 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2023 Justine Alexandra Roberts Tunney
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
*/
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
/**
* Writes string w/ trailing newline to stdout.
*
* @return non-negative number on success, or `EOF` on error with
* `errno` set and the `ferror(stdout)` state is updated
*/
int puts_unlocked(const char *s) {
size_t n, r;
if ((n = strlen(s))) {
r = fwrite_unlocked(s, 1, n, stdout);
if (!r) return -1;
if (r < n) return r;
}
if (fputc_unlocked('\n', stdout) == -1) {
if (feof_unlocked(stdout)) return n;
return -1;
}
return n + 1;
}