fopen and memory usage
Cameron Simpson
cs at zip.com.au
Tue Sep 25 22:43:24 UTC 2007
On 25Sep2007 17:01, aragonx at dcsnow.com <aragonx at dcsnow.com> wrote:
| I was wondering. If I have a large log file and I use fopen to write to
| it, does it load the entire file into memory before I can write? If not,
| how do I know how much memory I am wasting opening that file?
No, it doesn't. What purpose would that serve? It will cost you a buffer
for the I/O (perhaps 8192 bytes) and a FILE control structure.
--
Cameron Simpson <cs at zip.com.au> DoD#743
http://www.cskk.ezoshosting.com/cs/
Anarchy may not be the best form of government, but it's better than no
government at all.
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