Problem creating tmp file in /var/tmp

In my application for iam creating tmp file in /var/tmp.
Now if the length of file is 5 to 10 char then it creates the tmp file, if length is more then say 15 to 20 char iam not able to do so. Any reason ?

Is their any setting or configuration issue in lunux.

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Originally Posted by Rahulds

In my application for iam creating tmp file in /var/tmp.
Now if the length of file is 5 to 10 char then it creates the tmp file, if length is more then say 15 to 20 char iam not able to do so. Any reason ?

Is their any setting or configuration issue in lunux.

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The length of the file, or the filename? What function are you using to create the temp file? mkstemp(), mktemp(), tempnam(), tmpfile(), tmpnam(), what?