minix/commands/i386/mtools-3.9.7/mmount.c
2005-04-21 14:53:53 +00:00

85 lines
1.5 KiB
C
Executable file

/*
* Mount an MSDOS disk
*
* written by:
*
* Alain L. Knaff
* alain@linux.lu
*
*/
#include "sysincludes.h"
#include "msdos.h"
#include "mtools.h"
#ifdef OS_linux
#include <sys/wait.h>
#include "mainloop.h"
#include "fs.h"
extern int errno;
void mmount(int argc, char **argv, int type)
{
char drive;
int pid;
int status;
struct device dev;
char name[EXPAND_BUF];
int media;
struct bootsector boot;
Stream_t *Stream;
if (argc<2 || !argv[1][0] || argv[1][1] != ':' || argv[1][2]){
fprintf(stderr,"Usage: %s -V drive:\n", argv[0]);
exit(1);
}
drive = toupper(argv[1][0]);
Stream = find_device(drive, O_RDONLY, &dev, &boot, name, &media, 0);
if(!Stream)
exit(1);
FREE(&Stream);
destroy_privs();
if ( dev.partition ) {
char part_name[4];
sprintf(part_name, "%d", dev.partition %1000);
strcat(name, part_name);
}
/* and finally mount it */
switch((pid=fork())){
case -1:
fprintf(stderr,"fork failed\n");
exit(1);
case 0:
close(2);
open("/dev/null", O_RDWR);
argv[1] = strdup("mount");
if ( argc > 2 )
execvp("mount", argv + 1 );
else
execlp("mount", "mount", name, 0);
perror("exec mount");
exit(1);
default:
while ( wait(&status) != pid );
}
if ( WEXITSTATUS(status) == 0 )
exit(0);
argv[0] = strdup("mount");
argv[1] = strdup("-r");
if(!argv[0] || !argv[1]){
printOom();
exit(1);
}
if ( argc > 2 )
execvp("mount", argv);
else
execlp("mount", "mount","-r", name, 0);
exit(1);
}
#endif /* linux */