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| author | Eric Blake <ebb9@byu.net> | 2009-06-25 11:04:48 -0600 |
|---|---|---|
| committer | Eric Blake <ebb9@byu.net> | 2009-06-25 21:16:02 -0600 |
| commit | dae39a14fd724380af8d19a63703ab51db4d96d4 (patch) | |
| tree | 97c0ec6ab6d49cfe4fb3a846ea7278807712bfc6 | |
| parent | 0b17f4d076af8ce7349b97f5a5e4c94dd27630db (diff) | |
| download | m4-dae39a14fd724380af8d19a63703ab51db4d96d4.tar.gz | |
Fix description of limits on diversions.
* doc/m4.texinfo (Diversions): Fix grammar. Be less pessimistic
about limitations.
* THANKS: Update.
Reported by Elias Benali.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit cd172d932ce467b2c592eb9a603962b280aa0570)
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | THANKS | 1 | ||||
| -rw-r--r-- | doc/m4.texinfo | 9 |
3 files changed, 13 insertions, 5 deletions
@@ -1,3 +1,11 @@ +2009-06-25 Eric Blake <ebb9@byu.net> + + Fix description of limits on diversions. + * doc/m4.texinfo (Diversions): Fix grammar. Be less pessimistic + about limitations. + * THANKS: Update. + Reported by Elias Benali. + 2009-06-20 Eric Blake <ebb9@byu.net> Update gnulib for hash fixes. @@ -32,6 +32,7 @@ Daniel Richard G. skunk@iskunk.org David J. MacKenzie djm@uunet.uu.net David Perlin davep@nanosoft.com Elbert Pol elbert.pol@gmail.com +Elias Benali elptr@users.sourceforge.net Erez Zadok ezk@cs.columbia.edu Eric Allman eric@cs.berkeley.edu Eric Backus ericb@lsid.hp.com diff --git a/doc/m4.texinfo b/doc/m4.texinfo index ee907ddf..01829791 100644 --- a/doc/m4.texinfo +++ b/doc/m4.texinfo @@ -5636,17 +5636,16 @@ time. @cindex @env{TMPDIR} Numbered diversions are counted from 0 upwards, diversion number 0 -being the normal output stream. The number of simultaneous diversions -is limited mainly by the memory used to describe them, because @acronym{GNU} +being the normal output stream. @acronym{GNU} @code{m4} tries to keep diversions in memory. However, there is a -limit to the overall memory usable by all diversions taken altogether +limit to the overall memory usable by all diversions taken together (512K, currently). When this maximum is about to be exceeded, a temporary file is opened to receive the contents of the biggest diversion still in memory, freeing this memory for other diversions. When creating the temporary file, @code{m4} honors the value of the environment variable @env{TMPDIR}, and falls back to @file{/tmp}. -So, it is theoretically possible that the number and aggregate size of -diversions is limited only by available disk space. +Thus, the amount of available disk space provides the only real limit on +the number and aggregate size of diversions. @ignore @comment We need to test spilled diversions, but don't need to expose |