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88 lines
1.4 KiB
C
88 lines
1.4 KiB
C
/*
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* This file is part of RGBDS.
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*
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* Copyright (c) 2005-2021, Rich Felker and RGBDS contributors.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <errno.h>
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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 "error.h"
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#include "platform.h"
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static void vwarn(char const NONNULL(fmt), va_list ap)
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{
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fprintf(stderr, "warning: ");
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vfprintf(stderr, fmt, ap);
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fputs(": ", stderr);
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perror(NULL);
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}
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static void vwarnx(char const NONNULL(fmt), va_list ap)
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{
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fprintf(stderr, "warning");
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fputs(": ", stderr);
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vfprintf(stderr, fmt, ap);
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putc('\n', stderr);
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}
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_Noreturn static void verr(char const NONNULL(fmt), va_list ap)
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{
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fprintf(stderr, "error: ");
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vfprintf(stderr, fmt, ap);
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fputs(": ", stderr);
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fputs(strerror(errno), stderr);
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putc('\n', stderr);
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exit(1);
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}
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_Noreturn static void verrx(char const NONNULL(fmt), va_list ap)
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{
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fprintf(stderr, "error");
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fputs(": ", stderr);
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vfprintf(stderr, fmt, ap);
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putc('\n', stderr);
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exit(1);
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}
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void warn(char const NONNULL(fmt), ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarn(fmt, ap);
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va_end(ap);
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}
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void warnx(char const NONNULL(fmt), ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarnx(fmt, ap);
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va_end(ap);
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}
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_Noreturn void err(char const NONNULL(fmt), ...)
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{
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va_list ap;
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va_start(ap, fmt);
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verr(fmt, ap);
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va_end(ap);
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}
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_Noreturn void errx(char const NONNULL(fmt), ...)
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{
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va_list ap;
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va_start(ap, fmt);
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verrx(fmt, ap);
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va_end(ap);
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}
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