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misc cleanup.

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converted to use err() and warn().
This commit is contained in:
jtc 1994-12-20 15:54:03 +00:00
parent 6b300e59b8
commit b0101ccb47
1 changed files with 13 additions and 45 deletions
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58
usr.bin/unvis/unvis.c
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@ -41,30 +41,29 @@ static char copyright[] =
#if 0
static char sccsid[] = "@(#)unvis.c 8.1 (Berkeley) 6/6/93";
#endif
static char rcsid[] = "$Id: unvis.c,v 1.3 1994/12/06 07:36:10 jtc Exp $";
static char rcsid[] = "$Id: unvis.c,v 1.4 1994/12/20 15:54:03 jtc Exp $";
#endif /* not lint */
#include <stdio.h>
#include <stdlib.h>
#include <err.h>
#include <vis.h>
char *Program;
#define usage() fprintf(stderr, "usage: %s %s\n", Program, USAGE)
#define USAGE "[file...]"
void process __P((FILE *fp, const char *filename));
int
main(argc, argv)
int argc;
char *argv[];
{
FILE *fp;
extern char *optarg;
extern int optind;
int ch;
Program = argv[0];
while ((ch = getopt(argc, argv, "")) != EOF)
switch((char)ch) {
case '?':
default:
usage();
(void) fprintf(stderr, "usage: unvis [file...]\n");
exit(1);
}
argc -= optind;
@ -75,7 +74,7 @@ main(argc, argv)
if ((fp=fopen(*argv, "r")) != NULL)
process(fp, *argv);
else
syserror("%s", *argv);
warn("%s", *argv);
argv++;
}
else
@ -83,9 +82,10 @@ main(argc, argv)
exit(0);
}
void
process(fp, filename)
FILE *fp;
char *filename;
const char *filename;
{
register int offset = 0, c, ret;
int state = 0;
@ -102,49 +102,17 @@ process(fp, filename)
putchar(outc);
goto again;
case UNVIS_SYNBAD:
error("%s: offset: %d: can't decode", filename, offset);
warnx("%s: offset: %d: can't decode", filename, offset);
state = 0;
break;
case 0:
case UNVIS_NOCHAR:
break;
default:
error("bad return value (%d), can't happen", ret);
exit(1);
errx(1, "bad return value (%d), can't happen", ret);
/* NOTREACHED */
}
}
if (unvis(&outc, (char)0, &state, UNVIS_END) == UNVIS_VALID)
putchar(outc);
}
#include <varargs.h>
error(va_alist)
va_dcl
{
char *fmt;
va_list ap;
extern errno;
fprintf(stderr, "%s: ", Program);
va_start(ap);
fmt = va_arg(ap, char *);
(void) vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
}
syserror(va_alist)
va_dcl
{
char *fmt;
va_list ap;
extern errno;
fprintf(stderr, "%s: ", Program);
va_start(ap);
fmt = va_arg(ap, char *);
(void) vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, ": %s\n", strerror(errno));
}