Mercurial > molko
view libmlk-core/mlk/core/err.c @ 634:3930234ab1f5
examples: add basic gamepad
author | David Demelier <markand@malikania.fr> |
---|---|
date | Tue, 29 Aug 2023 13:34:10 +0200 |
parents | 4349b591c3ac |
children |
line wrap: on
line source
/* * err.h -- error routines * * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr> * * 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 <assert.h> #include <stdio.h> #include <mlk/util/util.h> #include "core_p.h" #include "err.h" #define ERR_MAX 128 #define DEFAULT_ERR _("no error") static MLK_THREAD_LOCAL char err[ERR_MAX]; int mlk_errf(const char *fmt, ...) { assert(fmt); va_list ap; va_start(ap, fmt); mlk_errva(fmt, ap); va_end(ap); return -1; } int mlk_errva(const char *fmt, va_list ap) { assert(fmt); int ret; /* Don't keep an empty string... */ ret = vsnprintf(err, sizeof (err), fmt, ap); if (ret < 0) mlk_util_strlcpy(err, _("unknown error"), sizeof (err)); else if (ret == 0) mlk_util_strlcpy(err, DEFAULT_ERR, sizeof (err)); return -1; } const char * mlk_err(void) { if (!err[0]) mlk_util_strlcpy(err, DEFAULT_ERR, sizeof (err)); return err; }