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Improve capability to traverse inodes in the NuttX psuedo-filesystem; now returns statfs

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5005 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-08-03 22:04:14 +00:00
parent 07b635386d
commit 606c031000
12 changed files with 712 additions and 76 deletions
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nuttx/include/limits.h
+21 -3
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@@ -49,8 +49,26 @@
/********************************************************************************
* Pre-processor Definitions
********************************************************************************/
/* Default values for user configurable limits **********************************/
/* Maximum number of bytes in a filename (not including terminating null). */
/* Configurable limits required by POSIX
#ifndef CONFIG_NAME_MAX
# define CONFIG_NAME_MAX 32
#endif
/* Maximum number of bytes in a pathname, including the terminating null
* character.
*/
#ifndef CONFIG_PATH_MAX
# if CONFIG_NAME_MAX < 64
# define CONFIG_PATH_MAX (4*CONFIG_NAME_MAX + 1)
# else
# define CONFIG_PATH_MAX 256
# endif
#endif
/* Configurable limits required by POSIX ****************************************
*
* Required for all implementations:
*
@@ -62,7 +80,7 @@
* _POSIX_NAME_MAX Number of bytes in a file or pathname component
* _POSIX_NGROUPS_MAX Number supplementary group IDs
* _POSIX_OPEN_MAX Number of files a task can have open at once
* _POSIX_PATH_MAX Number of bytes in a full pathname
* _POSIX_PATH_MAX Number of bytes in a full pathname (including NULL)
* _POSIX_PIPE_BUF Number of bytes for atomic write into pipe
* _POSIX_SSIZE_MAX Largest filesystem write; also max value of ssize_t
* _POSIX_STREAM_MAX Number of std I/O streams open at once
@@ -103,7 +121,7 @@
#define _POSIX_NAME_MAX CONFIG_NAME_MAX
#define _POSIX_NGROUPS_MAX 0
#define _POSIX_OPEN_MAX CONFIG_NFILE_DESCRIPTORS
#define _POSIX_PATH_MAX 255
#define _POSIX_PATH_MAX CONFIG_PATH_MAX
#define _POSIX_PIPE_BUF 512
#define _POSIX_SSIZE_MAX INT_MAX
#define _POSIX_STREAM_MAX CONFIG_NFILE_STREAMS