BSD 4_4_Lite2 development

[unix-history] / usr / src / contrib / nvi.1.43 / PORT / clib / err.c

#include <sys/cdefs.h>

#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif

char *__progname = "nvi";               /* Program name, from crt0. */

void
#ifdef __STDC__
err(int eval, const char *fmt, ...)
#else
err(eval, fmt, va_alist)
       int eval;
       const char *fmt;
       va_dcl
#endif
{
       va_list ap;
#ifdef __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       verr(eval, fmt, ap);
       va_end(ap);
}

void
verr(eval, fmt, ap)
       int eval;
       const char *fmt;
       va_list ap;
{
       int sverrno;

       sverrno = errno;
       (void)fprintf(stderr, "%s: ", __progname);
       if (fmt != NULL) {
               (void)vfprintf(stderr, fmt, ap);
               (void)fprintf(stderr, ": ");
       }
       (void)fprintf(stderr, "%s\n", strerror(sverrno));
       exit(eval);
}

void
#ifdef __STDC__
errx(int eval, const char *fmt, ...)
#else
errx(eval, fmt, va_alist)
       int eval;
       const char *fmt;
       va_dcl
#endif
{
       va_list ap;
#ifdef __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       verrx(eval, fmt, ap);
       va_end(ap);
}

void
verrx(eval, fmt, ap)
       int eval;
       const char *fmt;
       va_list ap;
{
       (void)fprintf(stderr, "%s: ", __progname);
       if (fmt != NULL)
               (void)vfprintf(stderr, fmt, ap);
       (void)fprintf(stderr, "\n");
       exit(eval);
}

void
#ifdef __STDC__
warn(const char *fmt, ...)
#else
warn(fmt, va_alist)
       const char *fmt;
       va_dcl
#endif
{
       va_list ap;
#ifdef __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       vwarn(fmt, ap);
       va_end(ap);
}

void
vwarn(fmt, ap)
       const char *fmt;
       va_list ap;
{
       int sverrno;

       sverrno = errno;
       (void)fprintf(stderr, "%s: ", __progname);
       if (fmt != NULL) {
               (void)vfprintf(stderr, fmt, ap);
               (void)fprintf(stderr, ": ");
       }
       (void)fprintf(stderr, "%s\n", strerror(sverrno));
}

void
#ifdef __STDC__
warnx(const char *fmt, ...)
#else
warnx(fmt, va_alist)
       const char *fmt;
       va_dcl
#endif
{
       va_list ap;
#ifdef __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       vwarnx(fmt, ap);
       va_end(ap);
}

void
vwarnx(fmt, ap)
       const char *fmt;
       va_list ap;
{
       (void)fprintf(stderr, "%s: ", __progname);
       if (fmt != NULL)
               (void)vfprintf(stderr, fmt, ap);
       (void)fprintf(stderr, "\n");
}