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eda-tools/eeshow/misc/diag.c
2016-08-22 20:38:59 -03:00

91 lines
1.5 KiB
C

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