FAT FS enhancements

David Brennan eCos@brennanhome.com
Tue Oct 19 03:45:00 GMT 2004


This patch includes the changes to add a fssync function, chmod 
capabilities, and honor read only flag.  The chmod and honor attributes 
are configurable with a single CDL parameter. The fssync is not 
configurable.

David Brennan

Index: fs/fat/current/ChangeLog
===================================================================
RCS file: /cvs/ecos/ecos/packages/fs/fat/current/ChangeLog,v
retrieving revision 1.3
diff -U5 -w -r1.3 ChangeLog
--- fs/fat/current/ChangeLog    13 Oct 2004 21:11:37 -0000    1.3
+++ fs/fat/current/ChangeLog    19 Oct 2004 03:41:39 -0000
@@ -1,5 +1,18 @@
+2004-10-17  David Brennan  <eCos@brennanhome.com>
+
+        * src/fatfs.c:
+        * src/fatfs_supp.c:
+        * tests/fileio1.c:
+        * cdl/fatfs.cdl: Added configurable support for FAT filesystem
+        attributes.
+
+2004-10-13  David Brennan  <eCos@brennanhome.com>
+
+        * src/fatfs.c: Added code to setinfo to allow performing a 
file-system
+        sync
+
 2004-10-06  David Brennan  <eCos@brennanhome.com>
 
     * tests/fileio1.c: Added include of <stdio.h> to fix compiler
     warning for rename().
 
Index: fs/fat/current/cdl/fatfs.cdl
===================================================================
RCS file: /cvs/ecos/ecos/packages/fs/fat/current/cdl/fatfs.cdl,v
retrieving revision 1.2
diff -U5 -w -r1.2 fatfs.cdl
--- fs/fat/current/cdl/fatfs.cdl    5 Oct 2004 07:45:59 -0000    1.2
+++ fs/fat/current/cdl/fatfs.cdl    19 Oct 2004 03:41:39 -0000
@@ -103,10 +103,18 @@
         active_if       CYGPKG_INFRA_DEBUG && CYGDBG_USE_ASSERTS
         description     "This option controls the inclusion of extra
                          sanity checks in node cache code."
     }
    
+    cdl_option      CYGCFG_FS_FAT_USE_ATTRIBUTES {
+        display         "Support for FAT FS file attributes"
+        flavor          bool
+        default_value   0
+        description     "This option controls if the FAT filesystem 
supports
+                         or honors the FAT filesystem file attributes."
+    }
+   
     # --------------------------------------------------------------------
    
     cdl_option      CYGPKG_FS_FAT_TESTS {
         display         "FAT FS tests"
         flavor          data
Index: fs/fat/current/src/fatfs.c
===================================================================
RCS file: /cvs/ecos/ecos/packages/fs/fat/current/src/fatfs.c,v
retrieving revision 1.2
diff -U5 -w -r1.2 fatfs.c
--- fs/fat/current/src/fatfs.c    5 Oct 2004 07:45:59 -0000    1.2
+++ fs/fat/current/src/fatfs.c    19 Oct 2004 03:41:40 -0000
@@ -627,10 +627,17 @@
         return err;
    
     if (S_ISDIR(node->dentry.mode))
         return EISDIR;
 
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+    // if the file is read only and is opened for writing
+    // fail with permission error
+    if (MODE_IS_RDONLY(node->dentry.mode) && (mode & O_WRONLY))
+        return EPERM;
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+
     // Allocate file object private data and
     // make a reference to this file node
 
     fd = alloc_fatfs_fd(disk, node);
     if (NULL == fd)
@@ -676,10 +683,16 @@
         return err;
 
     if (ds.node->refcnt > 0)
         return EBUSY;
    
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+    // if the file is read only fail with permission error
+    if (MODE_IS_RDONLY(ds.node->dentry.mode))
+        return EPERM;
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+
     err = fatfs_delete_file(disk, &ds.node->dentry);
     if (err == ENOERR)
         fatfs_node_free(disk, ds.node);
    
     return err;
@@ -787,10 +800,16 @@
 
     err = fatfs_find(&ds1);
     if (err != ENOERR)
         return err;
 
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+    // if the file is read only fail with permission error
+    if (MODE_IS_RDONLY(ds1.node->dentry.mode))
+        return EPERM;
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+
     // Protect the found nodes from being reused
     // by the search for the ds2 dir/node pair
     fatfs_node_ref(disk, ds1.dir);
     fatfs_node_ref(disk, ds1.node);
    
@@ -994,10 +1013,45 @@
     buf->st_ctime  = ds.node->dentry.ctime;
 
     return ENOERR;
 }
 
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+// 
-------------------------------------------------------------------------
+// fatfs_chmod()
+// Set struct mode info for named object.
+
+static int
+fatfs_chmod(cyg_mtab_entry *mte,
+            cyg_dir         dir,
+            const char     *name,
+            int             new_mode)
+{
+    fatfs_disk_t      *disk = (fatfs_disk_t *) mte->data;
+    fatfs_dirsearch_t  ds;
+    int                err;
+
+    CYG_TRACE4(TFS, "chmod mte=%p dir=%p name='%s' buf=%x",
+                    mte, dir, name, new_mode);
+
+    // Verify new_mode is valid
+    if ((new_mode & S_FATFS_CHMOD) != new_mode)
+        return EINVAL;
+   
+    init_dirsearch(&ds, disk, (fatfs_node_t *) dir, name);
+
+    err = fatfs_find(&ds);
+    if (err != ENOERR)
+        return err;
+
+    // Change the "changeable" mode bits for the file.
+    ds.node->dentry.mode = (ds.node->dentry.mode & (~S_FATFS_CHMOD)) | 
new_mode;
+
+    return fatfs_write_dir_entry(disk,&ds.node->dentry);
+}
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+
 // 
-------------------------------------------------------------------------
 // fatfs_getinfo()
 // Getinfo. Nothing to support here at present.
 
 static int
@@ -1013,23 +1067,46 @@
     return EINVAL;
 }
 
 // 
-------------------------------------------------------------------------
 // fatfs_setinfo()
-// Setinfo. Nothing to support here at present.
+// Setinfo. Support for fssync and chmod
 
 static int
 fatfs_setinfo(cyg_mtab_entry *mte,
               cyg_dir         dir,
               const char     *name,
               int             key,
               void           *buf,
               int             len)
 {
-    CYG_TRACE6(TFS, "getinfo mte=%p dir=%p name='%s' key=%d buf=%p len=%d",
+    int err;
+
+    CYG_TRACE6(TFS, "setinfo mte=%p dir=%p name='%s' key=%d buf=%p len=%d",
                     mte, dir, name, key, buf, len);
-    return EINVAL;
+
+    err = EINVAL;
+
+    switch( key )
+    {
+        case FS_INFO_SYNC:
+            err = cyg_blib_sync(&(((fatfs_disk_t *) mte->data)->blib));
+            if (err != ENOERR)
+               return err;
+            break;
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+        case FS_INFO_CHMOD:
+            err = fatfs_chmod(mte, dir, name, *(int*)buf);
+            if (err != ENOERR)
+               return err;
+            break;
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+        default:
+            err = EINVAL;
+            break;
+    }
+    return err;
 }
 
 //==========================================================================
 // File operations
 
Index: fs/fat/current/src/fatfs_supp.c
===================================================================
RCS file: /cvs/ecos/ecos/packages/fs/fat/current/src/fatfs_supp.c,v
retrieving revision 1.2
diff -U5 -w -r1.2 fatfs_supp.c
--- fs/fat/current/src/fatfs_supp.c    5 Oct 2004 07:45:59 -0000    1.2
+++ fs/fat/current/src/fatfs_supp.c    19 Oct 2004 03:41:42 -0000
@@ -1622,10 +1622,25 @@
     if (DENTRY_IS_DIR(raw_dentry))
         dentry->mode = __stat_mode_DIR;
     else
         dentry->mode = __stat_mode_REG;
    
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+    if (DENTRY_IS_RDONLY(raw_dentry))
+        dentry->mode |= S_FATFS_RDONLY;
+    if (DENTRY_IS_HIDDEN(raw_dentry))
+        dentry->mode |= S_FATFS_HIDDEN;
+    if (DENTRY_IS_SYSTEM(raw_dentry))
+        dentry->mode |= S_FATFS_SYSTEM;
+    if (DENTRY_IS_VOLUME(raw_dentry))
+        dentry->mode |= S_FATFS_VOLUME;
+    if (DENTRY_IS_DIR(raw_dentry))
+        dentry->mode |= S_FATFS_DIR;
+    if (DENTRY_IS_ARCHIVE(raw_dentry))
+        dentry->mode |= S_FATFS_ARCHIVE;
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+
     date_dos2unix(raw_dentry->crt_time, raw_dentry->crt_date, 
&dentry->ctime);
     date_dos2unix(0,                    raw_dentry->acc_date, 
&dentry->atime);
     date_dos2unix(raw_dentry->wrt_time, raw_dentry->wrt_date, 
&dentry->mtime);
    
     dentry->size       = raw_dentry->size;
@@ -1641,14 +1656,31 @@
 static void
 dentry_to_raw(fatfs_dir_entry_t *dentry, fat_raw_dir_entry_t *raw_dentry)
 {
     set_raw_dentry_filename(raw_dentry, dentry->filename, 0);
 
-    if (__stat_mode_DIR == dentry->mode)
+#ifndef CYGCFG_FS_FAT_USE_ATTRIBUTES
+    if ( S_ISDIR(dentry->mode) )
         raw_dentry->attr = DENTRY_ATTR_DIR;
     else
         raw_dentry->attr = DENTRY_ATTR_ARCHIVE;
+#else
+    raw_dentry->attr = 0;
+    if (MODE_IS_RDONLY(dentry->mode))
+        raw_dentry->attr |= DENTRY_ATTR_RDONLY;
+    if (MODE_IS_HIDDEN(dentry->mode))
+        raw_dentry->attr |= DENTRY_ATTR_HIDDEN;
+    if (MODE_IS_SYSTEM(dentry->mode))
+        raw_dentry->attr |= DENTRY_ATTR_SYSTEM;
+    if (MODE_IS_VOLUME(dentry->mode))
+        raw_dentry->attr |= DENTRY_ATTR_VOLUME;
+    if (MODE_IS_DIR(dentry->mode))
+        raw_dentry->attr |= DENTRY_ATTR_DIR;
+    if (MODE_IS_ARCHIVE(dentry->mode))
+        raw_dentry->attr |= DENTRY_ATTR_ARCHIVE;
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+
        
     date_unix2dos(dentry->ctime, &raw_dentry->crt_time, 
&raw_dentry->crt_date);
     date_unix2dos(dentry->atime, NULL,                  
&raw_dentry->acc_date);
     date_unix2dos(dentry->mtime, &raw_dentry->wrt_time, 
&raw_dentry->wrt_date);
    
@@ -1806,10 +1838,18 @@
    
     strncpy(dentry->filename, name, namelen);
     dentry->filename[namelen] = '\0';
    
     dentry->mode  = mode;
+
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+    if (S_ISDIR(dentry->mode))
+        dentry->mode |= S_FATFS_DIR;
+    else
+        dentry->mode |= S_FATFS_ARCHIVE;
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+
     dentry->ctime =
     dentry->atime =
     dentry->mtime = cyg_timestamp();
 
     dentry->priv_data      = 0;
@@ -1937,10 +1977,13 @@
 {
     CYG_CHECK_DATA_PTRC(disk);
     CYG_CHECK_DATA_PTRC(dentry);
    
     dentry->mode           = __stat_mode_DIR;
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+    dentry->mode          |= S_FATFS_DIR;
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
     dentry->size           = disk->fat_root_dir_size;
     dentry->ctime          = 0;
     dentry->atime          = 0;
     dentry->mtime          = 0;
     dentry->filename[0]    = '\0';
@@ -2387,11 +2430,11 @@
     target->disk_pos       = new_pos;
     target->parent_cluster = dir2->cluster;
 
     // If we moved a directory, we also have to correct the '..' entry 
 
-    if (__stat_mode_DIR == target->mode)
+    if ( S_ISDIR(target->mode) )
     {
         fat_raw_dir_entry_t raw_cdentry;
         fatfs_data_pos_t    pos;
       
         fatfs_initpos(disk, target, &pos);
Index: fs/fat/current/tests/fileio1.c
===================================================================
RCS file: /cvs/ecos/ecos/packages/fs/fat/current/tests/fileio1.c,v
retrieving revision 1.2
diff -U5 -w -r1.2 fileio1.c
--- fs/fat/current/tests/fileio1.c    13 Oct 2004 21:11:38 -0000    1.2
+++ fs/fat/current/tests/fileio1.c    19 Oct 2004 03:41:43 -0000
@@ -58,10 +58,11 @@
 //==========================================================================
 
 #include <pkgconf/hal.h>
 #include <pkgconf/kernel.h>
 #include <pkgconf/io_fileio.h>
+#include <pkgconf/fs_fat.h>
 
 #include <cyg/kernel/ktypes.h>         // base kernel types
 #include <cyg/infra/cyg_trac.h>        // tracing macros
 #include <cyg/infra/cyg_ass.h>         // assertion macros
 
@@ -286,10 +287,29 @@
 
     err = close( fd );
     if( err < 0 ) SHOW_RESULT( close, err );
 }
 
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+//==========================================================================
+
+static void checkstat(const char *name, const int mode )
+{
+    int err;
+    struct stat filestat;
+
+    diag_printf("<INFO>: check stat %s\n",name);
+
+    err = stat(name, &filestat);
+    if( err != 0 ) SHOW_RESULT( stat, err );
+
+    if ( (filestat.st_mode & S_FATFS_CHMOD) != mode )
+        diag_printf("<FAIL>: stat %s incorrect\n\tExpected %x Was %x\n",
+                    name,mode,(filestat.st_mode & S_FATFS_CHMOD));
+}
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+
 //==========================================================================
 
 static void copyfile( char *name2, char *name1 )
 {
 
@@ -641,18 +661,81 @@
     diag_printf("<INFO>: umount /disk2\n");   
     err = umount( "/disk2" );
     if( err < 0 ) SHOW_RESULT( umount, err );   
 #endif
    
+#ifdef CYGCFG_FS_FAT_USE_ATTRIBUTES
+    // Create file
+    diag_printf("<INFO>: create /foo\n");
+    createfile( "/foo", 20257 );
+
+    // Verify it is created with archive bit set
+    checkstat( "/foo", S_FATFS_ARCHIVE );
+
+    // Make it System
+    diag_printf("<INFO>: chmod -A+S /foo\n");
+    err = chmod( "/foo", S_FATFS_SYSTEM );
+    if( err < 0 ) SHOW_RESULT( chmod system , err );
+
+    // Verify it is now System
+    checkstat( "/foo", S_FATFS_SYSTEM );
+
+    // Make it Hidden
+    diag_printf("<INFO>: chmod -S+H /foo\n");
+    err = chmod( "/foo", S_FATFS_HIDDEN );
+    if( err < 0 ) SHOW_RESULT( chmod system , err );
+
+    // Verify it is now Hidden
+    checkstat( "/foo", S_FATFS_HIDDEN );
+
+    // Make it Read-only
+    diag_printf("<INFO>: chmod -H+R /foo\n");
+    err = chmod( "/foo", S_FATFS_RDONLY );
+    if( err < 0 ) SHOW_RESULT( chmod system , err );
+
+    // Verify it is now Read-only
+    checkstat( "/foo", S_FATFS_RDONLY );
+
+    // Verify we cannot unlink a read-only file
+    diag_printf("<INFO>: unlink /foo\n");
+    err = unlink( "/foo" );
+    if( err != -EPERM ) SHOW_RESULT( unlink, err );
+
+    // Verify we cannot rename a read-only file
+    diag_printf("<INFO>: rename /foo bundy\n");
+    err = rename( "/foo", "bundy" );
+    if( err != -EPERM ) SHOW_RESULT( rename, err );
+
+    // Verify we cannot open read-only file for writing
+    int fd;
+    diag_printf("<INFO>: create file /foo\n");
+    fd = open( "/foo", O_WRONLY );
+    if( err != -EPERM ) SHOW_RESULT( rename, err );
+    if( err > 0 ) close(fd);
+
+    // Make it Normal
+    diag_printf("<INFO>: chmod -H /foo\n");
+    err = chmod( "/foo", 0 );
+    if( err < 0 ) SHOW_RESULT( chmod none , err );
+
+    // Verify it is now nothing
+    checkstat( "/foo", 0 );
+
+    // Now delete our test file
+    diag_printf("<INFO>: unlink /foo\n");
+    err = unlink( "/foo" );
+    if( err < 0 ) SHOW_RESULT( unlink, err );
+
+#endif // CYGCFG_FS_FAT_USE_ATTRIBUTES
+
     maxfile("file.max");
 
     listdir( "/", true, -1, NULL );   
        
     diag_printf("<INFO>: unlink file.max\n");   
     err = unlink( "file.max" );
     if( err < 0 ) SHOW_RESULT( unlink, err );   
-
     diag_printf("<INFO>: umount /\n");   
     err = umount( "/" );
     if( err < 0 ) SHOW_RESULT( umount, err );   
    
     CYG_TEST_PASS_FINISH("fileio1");
Index: io/fileio/current/ChangeLog
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/fileio/current/ChangeLog,v
retrieving revision 1.48
diff -U5 -w -r1.48 ChangeLog
--- io/fileio/current/ChangeLog    14 Oct 2004 07:34:29 -0000    1.48
+++ io/fileio/current/ChangeLog    19 Oct 2004 03:42:02 -0000
@@ -1,5 +1,14 @@
+2004-10-13  David Brennan  <eCos@brennanhome.com>
+
+        * src/file.cxx: Added a check data ptr in LOCK_FS
+
+2004-10-13  David Brennan  <eCos@brennanhome.com>
+
+        * include/fileio.h: Added definition of FS_INFO_SYNC for fssync
+        command
+
 2004-10-06  David Brennan  <eCos@brennanhome.com>
 
     * tests/pselect.c: Added check for POSIX signals while building
     the test case.
     * tests/select.c: Include sys/select.h to prevent a possible warning.
Index: io/fileio/current/include/fileio.h
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/fileio/current/include/fileio.h,v
retrieving revision 1.10
diff -U5 -w -r1.10 fileio.h
--- io/fileio/current/include/fileio.h    1 Dec 2003 14:30:33 -0000    1.10
+++ io/fileio/current/include/fileio.h    19 Oct 2004 03:42:02 -0000
@@ -152,10 +152,12 @@
 // Keys for getinfo() and setinfo()
 
 #define FS_INFO_CONF            1       /* pathconf() */
 #define FS_INFO_ACCESS          2       /* access() */
 #define FS_INFO_GETCWD          3       /* getcwd() */
+#define FS_INFO_SYNC            4       /* fssync() */
+#define FS_INFO_CHMOD           5       /* chmod() */
 
 //-----------------------------------------------------------------------------
 // Types for link()
 
 #define CYG_FSLINK_HARD         1       /* form a hard link */
@@ -328,11 +330,11 @@
 #define    CYG_FILE_TYPE_FILE      1    /* file */
 #define    CYG_FILE_TYPE_SOCKET    2    /* communications endpoint */
 #define    CYG_FILE_TYPE_DEVICE    3    /* device */
 
 //-----------------------------------------------------------------------------
-// Keys for getinf() and setinfo()
+// Keys for getinfo() and setinfo()
 
 #define FILE_INFO_CONF          1       /* fpathconf() */
 
 //-----------------------------------------------------------------------------
 // Modes for fsync()
Index: io/fileio/current/src/file.cxx
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/fileio/current/src/file.cxx,v
retrieving revision 1.10
diff -U5 -w -r1.10 file.cxx
--- io/fileio/current/src/file.cxx    15 Mar 2004 15:41:36 -0000    1.10
+++ io/fileio/current/src/file.cxx    19 Oct 2004 03:42:02 -0000
@@ -69,10 +69,11 @@
 //==========================================================================
 // Implement filesystem locking protocol.
 
 #define LOCK_FS( _mte_ )  {                             \
    CYG_ASSERT(_mte_ != NULL, "Bad mount table entry");  \
+   CYG_ASSERT(_mte_->fs != NULL, "Bad mount filesystem entry");  \
    cyg_fs_lock( _mte_, (_mte_)->fs->syncmode);          \
 }
 
 #define UNLOCK_FS( _mte_ ) cyg_fs_unlock( _mte_, (_mte_)->fs->syncmode)
 
@@ -522,10 +523,70 @@
 
     FILEIO_RETURN_VALUE(info.value);
 }
 
 //==========================================================================
+// Sync filesystem without unmounting
+
+__externC int fssync( const char *path )
+{
+    FILEIO_ENTRY();
+   
+    int ret = 0;
+    cyg_mtab_entry *mte = cyg_cdir_mtab_entry;
+    cyg_dir dir = cyg_cdir_dir;
+    const char *name = path;
+
+    ret = cyg_mtab_lookup( &dir, &name, &mte );
+   
+    if( 0 != ret )
+        FILEIO_RETURN(ENOENT);
+
+    LOCK_FS( mte );
+   
+    ret = mte->fs->setinfo( mte, dir, name, FS_INFO_SYNC, NULL, 0 );
+   
+    UNLOCK_FS( mte );
+   
+    if( 0 != ret )
+        FILEIO_RETURN(ret);
+
+    FILEIO_RETURN_VALUE(ENOERR);
+}
+
+//==========================================================================
+// Set file access flags
+
+__externC int chmod( const char *fname, int new_mode )
+{
+    FILEIO_ENTRY();
+   
+    int ret = 0;
+    cyg_mtab_entry *mte = cyg_cdir_mtab_entry;
+    cyg_dir dir = cyg_cdir_dir;
+    const char *name = fname;
+
+    ret = cyg_mtab_lookup( &dir, &name, &mte );
+   
+    if( 0 != ret )
+        FILEIO_RETURN(ENOENT);
+
+    LOCK_FS( mte );
+   
+    ret = mte->fs->setinfo( mte, dir, name,
+                            FS_INFO_CHMOD,
+                            (char *)&new_mode, sizeof(new_mode) );
+   
+    UNLOCK_FS( mte );
+   
+    if( 0 != ret )
+        FILEIO_RETURN(ret);
+
+    FILEIO_RETURN(ENOERR);
+}
+
+//==========================================================================
 // Access() function.
 // This simply piggybacks onto stat().
 
 extern int     access(const char *path, int amode)
 {
Index: io/fileio/current/tests/select.c
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/fileio/current/tests/select.c,v
retrieving revision 1.7
diff -U5 -w -r1.7 select.c
--- io/fileio/current/tests/select.c    14 Oct 2004 07:34:30 -0000    1.7
+++ io/fileio/current/tests/select.c    19 Oct 2004 03:42:03 -0000
@@ -82,10 +82,11 @@
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/select.h>
 #include <errno.h>
 #include <string.h>
+#include <sys/select.h>                // select()
 
 #ifdef CYGPKG_NET
 #include <network.h>
 #include <arpa/inet.h>
 #define TEST_NET
Index: isoinfra/current/ChangeLog
===================================================================
RCS file: /cvs/ecos/ecos/packages/isoinfra/current/ChangeLog,v
retrieving revision 1.26
diff -U5 -w -r1.26 ChangeLog
--- isoinfra/current/ChangeLog    15 Mar 2004 15:20:22 -0000    1.26
+++ isoinfra/current/ChangeLog    19 Oct 2004 03:42:08 -0000
@@ -1,5 +1,10 @@
+2004-10-16  David Brennan <eCos@brennanhome.com>
+
+    * include/unistd.h: Added prototype for new fssync function.
+    * include/sys/stat.h: Added info for fat fs attributes
+
 2004-03-12  Jonathan Larmour  <jifl@eCosCentric.com>
 
     * cdl/isoinfra.cdl: Typo: CYGBLD_ISO_STDIO_FILEPOS ->
     CYGBLD_ISO_STDIO_FILEPOS_HEADER.
 
Index: isoinfra/current/include/unistd.h
===================================================================
RCS file: /cvs/ecos/ecos/packages/isoinfra/current/include/unistd.h,v
retrieving revision 1.7
diff -U5 -w -r1.7 unistd.h
--- isoinfra/current/include/unistd.h    15 Mar 2004 15:20:23 -0000    1.7
+++ isoinfra/current/include/unistd.h    19 Oct 2004 03:42:08 -0000
@@ -236,10 +236,11 @@
 extern int      fsync( int fd );
 extern int    ftruncate(int fd, off_t length);
 
 extern int     chdir(const char *path);
 extern char     *getcwd(char *buf, size_t size);
+extern int     fssync(const char *path);
 
 extern pid_t     getpid(void);
 extern pid_t    getppid(void);
 extern uid_t     getuid(void);
 extern uid_t     geteuid(void);
Index: isoinfra/current/include/sys/stat.h
===================================================================
RCS file: /cvs/ecos/ecos/packages/isoinfra/current/include/sys/stat.h,v
retrieving revision 1.7
diff -U5 -w -r1.7 stat.h
--- isoinfra/current/include/sys/stat.h    15 Jul 2003 13:39:40 -0000    1.7
+++ isoinfra/current/include/sys/stat.h    19 Oct 2004 03:42:08 -0000
@@ -123,10 +123,33 @@
 #define S_IRWXO  (S_IROTH|S_IWOTH|S_IXOTH)
 
 #define S_ISUID  (1<<25)
 #define S_ISGID  (1<<26)
 
+// 
-------------------------------------------------------------------------
+// FAT filesystem dir entry attributes
+
+#define S_FATFS_RDONLY  (1<<16) // Read only
+#define S_FATFS_HIDDEN  (1<<17) // Hidden
+#define S_FATFS_SYSTEM  (1<<18) // System
+#define S_FATFS_VOLUME  (1<<19) // Volume label
+#define S_FATFS_DIR     (1<<20) // Subdirectory
+#define S_FATFS_ARCHIVE (1<<21) // Needs archiving
+
+// Mode bits which are allowed by chmod
+#define S_FATFS_CHMOD   (S_FATFS_RDONLY | S_FATFS_HIDDEN | 
S_FATFS_SYSTEM | \
+                         S_FATFS_ARCHIVE)
+// 
-------------------------------------------------------------------------
+// mode FAT dir entry attributes macros
+
+#define MODE_IS_RDONLY(__mode)  ((__mode) & S_FATFS_RDONLY)
+#define MODE_IS_HIDDEN(__mode)  ((__mode) & S_FATFS_HIDDEN)
+#define MODE_IS_SYSTEM(__mode)  ((__mode) & S_FATFS_SYSTEM)
+#define MODE_IS_VOLUME(__mode)  ((__mode) & S_FATFS_VOLUME)
+#define MODE_IS_DIR(__mode)     ((__mode) & S_FATFS_DIR)
+#define MODE_IS_ARCHIVE(__mode) ((__mode) & S_FATFS_ARCHIVE)
+
 
 struct stat {
     mode_t  st_mode;     /* File mode */
     ino_t   st_ino;      /* File serial number */
     dev_t   st_dev;      /* ID of device containing file */
@@ -147,8 +170,10 @@
 
 __externC int fstat( int fd, struct stat *buf );
 
 __externC int mkdir(const char *path, mode_t mode);
 
+__externC int chmod( const char *fname, int new_mode );
+
 #endif /* CYGONCE_ISO_STAT_H multiple inclusion protection */
 
 /* EOF stat.h */



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