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/* setfdprm.c - Sets user-provided floppy disk parameters, re-activates
autodetection and switches diagnostic messages. */
/* 1999-02-22 Arkadiusz Mikiewicz <misiek@pld.ORG.PL>
* - added Native Language Support
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <linux/fd.h>
#include "nls.h"
#define FDPRMFILE "/etc/fdprm"
#define MAXLINE 200
static int
convert(char *arg) {
long result;
char *end;
result = strtol(arg,&end,0);
if (!*end)
return (int) result;
fprintf(stderr,_("Invalid number: %s\n"),arg);
exit(1);
}
static void
cmd_without_param(int cmd,int fd) {
if (ioctl(fd,cmd,NULL) >= 0)
exit(0);
perror("ioctl");
exit(1);
}
/* set given fd parameters */
static void
set_params(int cmd,int fd,char **params) {
struct floppy_struct ft;
ft.size = convert(params[0]);
ft.sect = convert(params[1]);
ft.head = convert(params[2]);
ft.track = convert(params[3]);
ft.stretch = convert(params[4]);
ft.gap = convert(params[5]);
ft.rate = convert(params[6]);
ft.spec1 = convert(params[7]);
ft.fmt_gap = convert(params[8]);
ft.name = NULL;
if (ioctl(fd,cmd,&ft) >= 0) exit(0);
perror("ioctl");
exit(1);
}
/* find parameter set in file, and use it */
static void
find_params(int cmd,int fd,char *name) {
FILE *file;
char line[MAXLINE+2],this[MAXLINE+2],param[9][MAXLINE+2];
char *params[9],*start;
int count;
if ((file = fopen(FDPRMFILE,"r")) == NULL) {
perror(FDPRMFILE);
exit(1);
}
while (fgets(line,MAXLINE,file)) {
for (start = line; *start == ' ' || *start == '\t'; start++);
if (*start && *start != '\n' && *start != '#') {
if (sscanf(start,"%s %s %s %s %s %s %s %s %s %s",this,param[0],
param[1],param[2],param[3],param[4],param[5],param[6],param[7],
param[8]) != 10) {
fprintf(stderr,_("Syntax error: '%s'\n"),line);
exit(1);
}
if (!strcmp(this,name)) {
for (count = 0; count < 9; count++)
params[count] = param[count];
set_params(cmd,fd,params);
}
}
}
fprintf(stderr,_("No such parameter set: '%s'\n"),name);
exit(1);
}
static void
usage(char *name) {
char *this;
if ((this = strrchr(name,'/')) != NULL) name = this+1;
fprintf(stderr,_("usage:\n"));
fprintf(stderr,_(" %s [ -p ] dev name\n"),name);
fprintf(stderr,_(" %s [ -p ] dev size sect heads tracks stretch "
"gap rate spec1 fmt_gap\n"),name);
#ifdef FDMEDCNG
fprintf(stderr,_(" %s [ -c | -y | -n | -d ] dev\n"),name);
#else
fprintf(stderr,_(" %s [ -c | -y | -n ] dev\n"),name);
#endif
exit(1);
}
int
main(int argc, char **argv) {
int fd;
unsigned int cmd;
char *progname, *p;
progname = argv[0];
if ((p = strrchr(progname, '/')) != NULL)
progname = p+1;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
if (argc == 2 &&
(!strcmp(argv[1], "-V") || !strcmp(argv[1], "--version"))) {
printf(_("%s from %s\n"), progname, util_linux_version);
exit(0);
}
if (argc < 2)
usage(progname);
cmd = FDSETPRM;
if (*argv[1] == '-') {
switch (argv[1][1]) {
case 'c':
cmd = FDCLRPRM;
break;
case 'p':
cmd = FDDEFPRM;
break;
case 'y':
cmd = FDMSGON;
break;
case 'n':
cmd = FDMSGOFF;
break;
#ifdef FDMEDCNG
case 'd':
cmd = FDMEDCNG;
break;
#endif
default:
usage(progname);
}
argc--;
argv++;
}
if ((fd = open(argv[1],3)) < 0) { /* O_WRONLY needed in a few kernels */
perror(argv[1]);
exit(1);
}
if (cmd != FDSETPRM && cmd != FDDEFPRM) {
if (argc != 2) usage(progname);
cmd_without_param(cmd,fd);
}
if (argc != 11 && argc != 3)
usage(progname);
else if (argc == 11)
set_params(cmd,fd,&argv[2]);
else
find_params(cmd,fd,argv[2]);
/* not reached */
return 0;
}
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