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81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
/* See the end of this file for copyright and license terms. */
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "neo/_error.h"
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#include "neo/_nalloc.h"
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#include "neo/_nref.h"
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#include "neo/_nstr.h"
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#include "neo/_stddef.h"
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#include "neo/_types.h"
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void yeet(error *err, u32 number, const char *restrict fmt, ...)
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{
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va_list vargs;
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usize msg_size = 64;
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char *msg = nil;
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if (fmt != nil) {
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do {
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msg = nalloc(msg_size, nil);
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va_start(vargs, fmt);
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int required_size = vsnprintf(msg, msg_size, fmt, vargs);
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va_end(vargs);
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/* required_size excludes NUL, therefore >= */
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if (required_size >= msg_size) {
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msg_size = required_size + 1;
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nfree(msg);
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msg = nil;
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} else if (required_size < 0) {
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write(2, "Runtime error\n", strlen("Runtime error\n"));
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exit(1);
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}
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} while (msg == nil);
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} else {
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msg = "Runtime error";
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}
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if (err == nil) {
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write(2, msg, strlen(msg));
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exit(number);
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}
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err->_number = number;
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err->_message = nstr(msg, nil);
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nfree(msg);
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}
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void neat(error *err)
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{
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if (err) {
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err->_number = 0;
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err->_message = nil;
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}
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}
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void errput(error *err)
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{
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if (err != nil) {
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if (err->_message != nil)
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nput(err->_message);
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err->_number = 0xffffffff;
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}
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}
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/*
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* This file is part of libneo.
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* Copyright (c) 2021 Fefie <owo@fef.moe>.
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*
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* libneo is non-violent software: you may only use, redistribute,
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* and/or modify it under the terms of the CNPLv6+ as found in
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* the LICENSE file in the source code root directory or at
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* <https://git.pixie.town/thufie/CNPL>.
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*
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* libneo comes with ABSOLUTELY NO WARRANTY, to the extent
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* permitted by applicable law. See the CNPLv6+ for details.
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*/
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