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/* David Leonard, 2006. Public domain */
#if HAVE_CONFIG_H
# include "config.h"
#endif
#if STDC_HEADERS
# include <stdio.h>
# include <stdarg.h>
# include <string.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#if HAVE_ERRNO_H
# include <errno.h>
#endif
#include "compat.h"
static void msg(const char *, int, const char *, va_list);
static void
msg(type, se, fmt, ap)
const char *type;
int se;
const char *fmt;
va_list ap;
{
extern int errno;
int errno_save = errno;
fprintf(stderr, "%s: ", type);
vfprintf(stderr, fmt, ap);
if (se)
#if HAVE_STRERROR
fprintf(stderr, ": %s", strerror(errno_save));
#else
fprintf(stderr, ": error %d", errno_save);
#endif
fprintf(stderr, "\n");
}
void
err(ec, fmt)
int ec;
const char *fmt;
{
va_list ap;
va_start(ap, fmt);
msg("Error", 1, fmt, ap);
va_end(ap);
exit(ec);
}
void
errx(ec, fmt)
int ec;
const char *fmt;
{
va_list ap;
va_start(ap, fmt);
msg("Error", 0, fmt, ap);
va_end(ap);
exit(ec);
}
void
warn(fmt)
const char *fmt;
{
va_list ap;
va_start(ap, fmt);
msg("Warning", 1, fmt, ap);
va_end(ap);
}
void
warnx(fmt)
const char *fmt;
{
va_list ap;
va_start(ap, fmt);
msg("Warning", 0, fmt, ap);
va_end(ap);
}
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