gnustep/libs-base
0
0
Fork 0
mirror of https://github.com/gnustep/libs-base.git synced 2025-05-20 20:26:42 +00:00
Code Issues Projects Releases Packages Wiki Activity

Tweak to prevent stack overflow on windows, without significant loss of

Browse source 
performance ... use stack for smallish temporary storage, but heap for
larger storage requirements.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@17860 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-Macdonald 2003-10-14 09:00:42 +00:00
parent 7e1ee0cfa4
commit 2ed87acf65
4 changed files with 57 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Source/GSPrivate.h
View file

@ -24,6 +24,17 @@
#define __GSPrivate_h_
/*
* Macros to manage memory for chunks of code that need to work with
* arrays of objects. Use OBUFBEGIN() to start the block of code using
* the array and OBUFEND() to end it. The idea is to ensure that small
* arrays are allocated on the stack (for speed), but large arrays are
* allocated from the heap (to avoid stack overflow).
*/
#define OBUFMAX 1024
#define OBUFBEGIN(P, S) { id _xxx[(S) <= OBUFMAX ? (S) : 0]; id *(P) = ((S) <= OBUFMAX) ? _xxx : (id*)NSZoneMalloc(NSDefaultMallocZone(), (S) * sizeof(id));
#define OBUFEND(P, S) if ((S) > OBUFMAX) NSZoneFree(NSDefaultMallocZone(), (P)); }
/*
* Function to get the name of a string encoding as an NSString.
*/