Changeset 66366470 in mainline for uspace/lib/c


Ignore:
Timestamp:
2013-07-04T18:55:31Z (12 years ago)
Author:
Manuele Conti <conti.ma@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
9dc6083
Parents:
d8b47eca
Message:

Start to implement df command line tool.

Location:
uspace/lib/c
Files:
3 edited

Legend:

Unmodified
Added
Removed
  • uspace/lib/c/generic/vfs/vfs.c

    rd8b47eca r66366470  
    892892}
    893893
     894int statfs(const char *path, struct statfs *buf)
     895{
     896        sysarg_t rc;
     897        //aid_t req;
     898
     899        if ( NULL == buf )
     900                return 1;
     901
     902        sysarg_t value;
     903        async_exch_t *exch = vfs_exchange_begin();     
     904        rc = async_req_0_1(exch, VFS_IN_STATFS, &value);
     905        if (rc != EOK)
     906                goto exit;
     907
     908        buf->f_bsize = value;
     909exit:
     910        vfs_exchange_end(exch);
     911        return rc;
     912}
     913
    894914/** @}
    895915 */
  • uspace/lib/c/include/ipc/vfs.h

    rd8b47eca r66366470  
    8282        VFS_IN_WAIT_HANDLE,
    8383        VFS_IN_MTAB_GET,
     84        VFS_IN_STATFS
    8485} vfs_in_request_t;
    8586
  • uspace/lib/c/include/vfs/vfs.h

    rd8b47eca r66366470  
    4444#include "vfs_mtab.h"
    4545
     46
    4647enum vfs_change_state_type {
    4748        VFS_PASS_HANDLE
    4849};
     50
     51struct statfs {
     52        short   f_type;     /* type of file system  */
     53        long    f_bsize;    /* fundamental file system block size */
     54        long    f_blocks;   /* total data blocks in file system */
     55        long    f_bfree;    /* free blocks in fs */
     56};
     57
    4958
    5059extern char *absolutize(const char *, size_t *);
     
    6170extern async_exch_t *vfs_exchange_begin(void);
    6271extern void vfs_exchange_end(async_exch_t *);
    63 
     72extern int statfs(const char *path, struct statfs *buf);
    6473#endif
    6574
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