Hi,
I have a question about the open function in linux. I want to create a file with permission 666(read and write by others), the code as following:
open("/tmp/test", O_CREAT, 0666);
But the file always can not set the others write permission, could someone help me on this question?
Thanks,
Eric 4 9064
"Eric J.Hu" <eh*@lucent.com> writes: I have a question about the open function in linux. I want to create a file with permission 666(read and write by others), the code as following:
open("/tmp/test", O_CREAT, 0666);
But the file always can not set the others write permission, could someone help me on this question?
Not here. Try comp.unix.programmer.
--
Keith Thompson (The_Other_Keith) ks***@mib.org <http://www.ghoti.net/~kst>
San Diego Supercomputer Center <*> <http://users.sdsc.edu/~kst>
We must do something. This is something. Therefore, we must do this.
Eric J.Hu wrote: Hi,
I have a question about the open function in linux. I want to create a file with permission 666(read and write by others), the code as following:
open("/tmp/test", O_CREAT, 0666);
But the file always can not set the others write permission, could someone help me on this question?
Thanks, Eric
<OT>
The third argument mode specified in the open system call, is modified
by the process's
"umask". The permissions of the created file are (mode & ~umask).
I guess the umask set for your process is 022.
You may see the current umask setting by command "umask".
See the man page for umask for details.
<OT>
Junky_fellow,
Great thanks! It works, the problem is my umask was set to 022.
Regards,
Eric
------------------------------------------
<ju**********@yahoo.co.in> wrote in message news:11**********************@g14g2000cwa.googlegr oups.com... Eric J.Hu wrote: Hi,
I have a question about the open function in linux. I want to create a file with permission 666(read and write by others), the code as following:
open("/tmp/test", O_CREAT, 0666);
But the file always can not set the others write permission, could someone help me on this question?
Thanks, Eric <OT> The third argument mode specified in the open system call, is modified by the process's "umask". The permissions of the created file are (mode & ~umask). I guess the umask set for your process is 022. You may see the current umask setting by command "umask". See the man page for umask for details. <OT>
Eric J.Hu <eh*@lucent.com> wrote: [-- text/plain, encoding quoted-printable, charset: iso-8859-1, 14 lines --]
I have a question about the open function in linux. I want to create a file with permission 666(read and write by others), the code as following:
(snipped)
And when you post to comp.unix.programmer as Keith recommended, I'm
quite sure they would appreciate it if you would avoid posting
multipart-encoded messages.
--
Christopher Benson-Manica | I *should* know what I'm talking about - if I
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