05-24-2005
Is this related to any academic project ?
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recently my project needs me to lseek a position over 4G size....
i found in linux or unix the parameters are all ulong 32 bits...the limit dooms the movement of a position over 4G
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I know there is lseek() function that will allow to write or read from certain position in the file. Is there similar function that will let do same but for array rather then file? (9 Replies)
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Hi everybody,
i've been googling for ages now and gotten kinda desperate... The question, however, might be rather trivial for the experts: What is it exactly, i.e. physically, the POSIX function (for a file) "lseek" does? Does it trigger some kind of synchronization on disk? Is it just for the... (4 Replies)
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I think both write at the end of the file ......
but is there a sharp difference between those 2 instruction .....
thank you
this is my 3rd question today forgive me :D (1 Reply)
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Hi,
We are facing issues while backing up our 1205 GB filesystem on LTO5 Tape. During backup the "backup: The lseek call failed." messages were generated, I want to know why these messages were generating
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The following code:
int fd;
if (fd = open("mem", O_RDONLY) == -1)
return 1;
if (lseek(fd, 0, SEEK_SET) == -1) {
char *buf = malloc(512);
buf = strerror(errno);
printf("%s\n", buf);
return 1;
}
always returns with "illegal seek"... (2 Replies)
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LEARN ABOUT FREEBSD
projdel
projdel(1M) System Administration Commands projdel(1M)
NAME
projdel - delete a project from the system
SYNOPSIS
projdel [-f filename] project
DESCRIPTION
The projdel utility deletes a project from the system and makes the appropriate changes to the system file.
OPTIONS
The following options are supported:
-f filename Specify the project file to modify. If no filename is specified, the system project file, /etc/project, is modified.
OPERANDS
The following operands are supported:
project The name of the project to be deleted.
EXIT STATUS
The following exit values are returned:
0 Successful completion.
2 The command syntax was invalid. A usage message for projdel is displayed.
3 An invalid argument was provided to an option.
4 The projid given with the -p option is already in use.
5 The project files contain an error. See project(4).
6 The project to be modified, group, user, or resource does not exist.
9 The project is already in use.
10 Cannot update the /etc/project file.
FILES
/etc/project System project file
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWesu |
+-----------------------------+-----------------------------+
|Interface stabilty | See below. |
+-----------------------------+-----------------------------+
Invocation is evolving. Human readable output is unstable.
SEE ALSO
projects(1), groupadd(1M), groupdel(1M), groupmod(1M), grpck(1M), logins(1M), projadd(1M), projmod(1M), useradd(1M), userdel(1M), user-
mod(1M), project(4), attributes(5)
DIAGNOSTICS
In case of an error, projdel prints an error message and exits with a non-zero status.
NOTES
projdel deletes a project definition only on the local system. If a network name service such as NIS or LDAP is being used to supplement
the local /etc/project file with additional entries, projdel cannot change information supplied by the network name service.
SunOS 5.10 4 May 2004 projdel(1M)