95 lines
2.4 KiB
C

/*
* 8to9.c -- convert octet files to nonet files
* Copyright (C) 2013-2015 Mikael Pettersson
*
* This file is part of pdp10-tools.
*
* pdp10-tools 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 3 of the License, or
* (at your option) any later version.
*
* pdp10-tools is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with pdp10-tools. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "pdp10-stdio.h"
#define VERSION "pdp10-tools 8to9 version 0.0, built " __DATE__ " " __TIME__ "\n"
int main(int argc, char **argv)
{
const char *infile, *outfile;
FILE *infp;
PDP10_FILE *outfp;
int ch;
infile = NULL;
outfile = NULL;
for (;;) {
ch = getopt(argc, argv, "Vi:o:");
switch (ch) {
case 'V':
printf(VERSION);
return 0;
case 'i':
infile = optarg;
continue;
case 'o':
outfile = optarg;
continue;
case -1:
break;
default:
fprintf(stderr, "%s -o OUTFILE [-i INFILE] [-V]\n", argv[0]);
return 1;
}
break;
}
/* XXX: We currently require a named output file because pdp10-stdio.c doesn't
support fdopen:ing non-seekable files. That should be fixed at some point. */
if (!outfile) {
fprintf(stderr, "%s: no OUTFILE specified\n", argv[0]);
return 1;
} else {
outfp = pdp10_fopen(outfile, "wb");
if (!outfp) {
fprintf(stderr, "%s: %s: failed to open for writing: %s\n", argv[0], outfile, strerror(errno));
return 1;
}
}
if (!infile) {
infp = stdin;
} else {
infp = fopen(infile, "rb");
if (!infp) {
fprintf(stderr, "%s: %s: failed to open for reading: %s\n", argv[0], infile, strerror(errno));
return 1;
}
}
while ((ch = fgetc(infp)) != EOF)
if (pdp10_fputc(ch, outfp) == EOF) {
fprintf(stderr, "%s: %s: failed to write: %s\n", argv[0], outfile, strerror(errno));
return 1;
}
if (pdp10_fclose(outfp) == EOF) {
fprintf(stderr, "%s: %s: failed to close: %s\n", argv[0], outfile, strerror(errno));
return 1;
}
return 0;
}