gno/bin/chtyp/chtyp.c

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/*
* chtyp
*
* Sets the file/aux type for GS/OS files.
*
* $Id: chtyp.c,v 1.1 1997/10/03 05:06:50 gdr Exp $
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gsos.h>
#include "ftypes.h"
void usage(void);
void version(void);
#ifdef __STACK_CHECK__
#include <gno/gno.h>
static void cleanup(void)
{
(void) fprintf(stderr, "Stack Usage: %d.\n", _endStackCheck());
}
#endif
static GSString255 path;
int main(int argc, char **argv)
{
char *ftype = NULL;
char *atype = NULL;
char *lang = NULL;
char *left = NULL;
int filet = -1;
long auxt = -1;
int ch;
FileInfoRecGS finfo = {4, &path};
#ifdef __STACK_CHECK__
atexit(cleanup);
_beginStackCheck();
#endif
while((ch = getopt(argc, argv, "t:a:l:vV")) != -1)
switch(ch) {
case 't':
if(lang) {
(void) fprintf(stderr,
"chtyp: -t cannot be used with -l\n");
usage();
}
ftype = optarg;
break;
case 'a':
if(lang) {
(void) fprintf(stderr,
"chtyp: -a cannot be used with -l\n");
usage();
}
atype = optarg;
break;
case 'l':
if(ftype || atype) {
(void) fprintf(stderr,
"chtyp: -l cannot be used with %s%s\n",
ftype ? "-t" : "-a",
ftype && atype ? " or -a." : ".");
usage();
}
lang = optarg;
break;
case 'v':
case 'V':
version();
break;
default:
usage();
break;
}
argc -= optind;
argv = argv + optind;
if(argc == 0) {
(void) fprintf(stderr, "chtyp: no files specified\n");
usage();
}
if(lang) {
if(find_lang(lang, &filet, &auxt) == -1) {
(void) fprintf(stderr, "chtyp: unknown language argument \"%s\".\n",
lang);
usage();
}
}
if(ftype) {
filet = (int) strtol(ftype, &left, 0);
if(errno == ERANGE || *left)
if(find_type(ftype, &filet, &auxt) == -1) {
(void) fprintf(stderr,
"chtyp: invalid argument to -t option.\n");
usage();
}
}
if(atype) {
errno = 0; /* be sure to reset errno! */
auxt = strtol(atype, (char **) NULL, 0);
if(errno == ERANGE) {
(void) fprintf(stderr, "chtyp: invalid argument to -a option.\n");
usage();
}
}
ch = 0;
while(argc) {
strcpy(path.text, argv[ch]);
path.length = strlen(argv[ch++]);
GetFileInfoGS(&finfo);
if(filet != -1)
finfo.fileType = filet;
if(auxt != -1)
finfo.auxType = auxt;
SetFileInfoGS(&finfo);
argc--;
}
}
static void usage(void)
{
(void) fprintf(stderr,
"Usage: chtyp { [-t type] [-a auxtype] } | { [-l lang] } file ...\n");
exit(-1);
}
static void version(void)
{
(void) fprintf(stderr,
"V 2.0.0 Copyright 1997 by Evan Day, day@engr.orst.edu\n");
usage();
}