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unlink/rm can now be used on nodes in the pseudo-filesystem. There is new configuration option to suppress these costly and mostly useless operations on the pseudo-filesystem

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This commit is contained in:
Gregory Nutt
2014-02-20 18:14:02 -06:00
parent da0235e8e6
commit 2bc6d67866
7 changed files with 68 additions and 36 deletions
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51
nshlib/nsh.h
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@@ -75,6 +75,27 @@
# undef CONFIG_NSH_CMDPARMS
#endif
/* rmdir, mkdir, rm, and mv are only available if mountpoints are enabled
* AND there is a writeable file system OR if these operations on the
* pseudo-filesystem are not disabled.
*/
#undef NSH_HAVE_WRITABLE_MOUNTPOINT
#if !defined(CONFIG_DISABLE_MOUNTPOINT) && defined(CONFIG_FS_WRITABLE) && \
CONFIG_NFILE_STREAMS > 0
# define NSH_HAVE_WRITABLE_MOUNTPOINT 1
#endif
#undef NSH_HAVE_PSEUDOFS_OPERATIONS
#if !defined(CONFIG_DISABLE_PSEUDOFS_OPERATIONS) && CONFIG_NFILE_STREAMS > 0
# define NSH_HAVE_PSEUDOFS_OPERATIONS 1
#endif
#undef NSH_HAVE_DIROPTS
#if defined(NSH_HAVE_WRITABLE_MOUNTPOINT) || defined(NSH_HAVE_PSEUDOFS_OPERATIONS)
# define NSH_HAVE_DIROPTS 1
#endif
/* If CONFIG_NSH_CMDPARMS is selected, then the path to a directory to
* hold temporary files must be provided.
*/
@@ -661,7 +682,7 @@ void nsh_usbtrace(void);
#if !defined(CONFIG_NSH_DISABLESCRIPT) && !defined(CONFIG_NSH_DISABLE_LOOPS)
int cmd_break(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
#endif
#endif
#ifndef CONFIG_NSH_DISABLE_ECHO
int cmd_echo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
#endif
@@ -717,15 +738,6 @@ void nsh_usbtrace(void);
# ifndef CONFIG_NSH_DISABLE_LS
int cmd_ls(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# ifndef CONFIG_NSH_DISABLE_MKDIR
int cmd_mkdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# ifndef CONFIG_NSH_DISABLE_MV
int cmd_mv(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# ifndef CONFIG_NSH_DISABLE_RMDIR
int cmd_rmdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# if defined(CONFIG_SYSLOG) && defined(CONFIG_RAMLOG_SYSLOG) && !defined(CONFIG_NSH_DISABLE_DMESG)
int cmd_dmesg(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
@@ -734,6 +746,22 @@ void nsh_usbtrace(void);
int cmd_sh(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# endif /* CONFIG_NFILE_STREAMS && !CONFIG_NSH_DISABLESCRIPT */
# ifdef NSH_HAVE_DIROPTS
# ifndef CONFIG_NSH_DISABLE_MKDIR
int cmd_mkdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# ifndef CONFIG_NSH_DISABLE_MV
int cmd_mv(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# ifndef CONFIG_NSH_DISABLE_RM
int cmd_rm(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# ifndef CONFIG_NSH_DISABLE_RMDIR
int cmd_rmdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# endif /* CONFIG_NFILE_STREAMS && NSH_HAVE_DIROPTS */
# ifndef CONFIG_DISABLE_MOUNTPOINT
# ifndef CONFIG_NSH_DISABLE_LOSETUP
int cmd_losetup(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
@@ -755,9 +783,6 @@ void nsh_usbtrace(void);
# ifndef CONFIG_NSH_DISABLE_MKRD
int cmd_mkrd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# ifndef CONFIG_NSH_DISABLE_RM
int cmd_rm(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# endif /* CONFIG_FS_WRITABLE */
# endif /* CONFIG_FS_READABLE */
# ifdef CONFIG_FS_FAT