diff options
Diffstat (limited to 'doc/vfs.txt')
| -rw-r--r-- | doc/vfs.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/vfs.txt b/doc/vfs.txt index 5a6a0b2..680df73 100644 --- a/doc/vfs.txt +++ b/doc/vfs.txt @@ -32,13 +32,17 @@ struct file_info { File open modes flags : - FM_READ open for reading - FM_WRITE open for writing -- FM_APPEND append data - FM_TRUNC truncate existing file - FM_CREATE create file if it doesn't exist - FM_DELETE delete the file - incompatible with everything else note : if mode contains neither FM_READ nor FM_WRITE, then the file will be created/truncated according to the flags given, but will not be actually oppenned, so the return value of open will be 0. +Important remark : +The kernel does NOT keep track of what your current position in the file is. And it's a bit hard, too, +because terminals behave differently than files, and so do directories, etc. So that's why there is no +FM_APPEND : when you open a file, you can do whatever you want. + Link modes : - LM_SYMLINK - LM_HARDLINK (don't count on that really being implemented) |