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/*
* Copyright (C) 2009 John Kacur <jkacur@redhat.com>
*
* error routines, similar to those found in
* Advanced Programming in the UNIX Environment 2nd ed.
*/
#include "error.h"
/* Print an error message, plus a message for err and exit with error err */
void err_exit(int err, char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
err_doit(err, fmt, ap);
va_end(ap);
exit(err);
}
/* print an error message and return */
void err_msg(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
err_doit(0, fmt, ap);
va_end(ap);
return;
}
/* Print an error message, plus a message for err, and return */
void err_msg_n(int err, char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
err_doit(err, fmt, ap);
va_end(ap);
return;
}
/* print an error message and quit */
void err_quit(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
err_doit(0, fmt, ap);
va_end(ap);
exit(1);
}
void info(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fputs("INFO: ", stderr);
err_doit(0, fmt, ap);
va_end(ap);
}
void warn(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fputs("WARN: ", stderr);
err_doit(0, fmt, ap);
va_end(ap);
}
void fatal(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fputs("FATAL: ", stderr);
err_doit(0, fmt, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
void err_doit(int err, const char *fmt, va_list ap)
{
vfprintf(stderr, fmt, ap);
if (err)
fprintf(stderr, ": %s\n", strerror(err));
return;
}
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