source: trunk/minix/commands/i386/mtools-3.9.7/mmount.c@ 15

/*
 * 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 */