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87 lines
1.4 KiB
C
87 lines
1.4 KiB
C
/*
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* diag.h - Diagnostics
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*
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* Written 2016 by Werner Almesberger
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* Copyright 2016 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "diag.h"
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unsigned verbose = 0;
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/* ----- Specialized diagnostic functions ---------------------------------- */
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void diag_pfatal(const char *s)
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{
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fatal("%s: %s\n", s, strerror(errno));
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}
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void diag_perror(const char *s)
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{
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error("%s: %s\n", s, strerror(errno));
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}
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/* ----- General diagnostic functions -------------------------------------- */
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void fatal(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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exit(1); /* @@@ for now ... */
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}
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void error(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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}
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void warning(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "warning: ");
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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}
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void progress(unsigned level, const char *fmt, ...)
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{
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va_list ap;
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if (level > verbose)
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return;
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va_start(ap, fmt);
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fprintf(stderr, "%*s", level * 2, "");
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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}
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