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* memalloc: Avoid looping in growstacktoHerbert Xu2018-08-29
| | | | | | | | Currently growstackto will repeatedly call growstackblock until the requisite size is obtained. This is wasteful. This patch changes growstackblock to take a minimum size instead. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* memalloc: Add growstackto helperHerbert Xu2018-05-28
| | | | | | | This patch adds the growstackto helper which repeatedly calls growstackblock until the requested size is reached. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [EXPAND] Removed herefd hackHerbert Xu2007-11-11
| | | | | | | | | | | The herefd hack goes back more than a decade. it limits the amount of memory we have to allocate when expanding here-documents by writing the result out from time to time. However, it's no longer safe because the stack is used to place intermediate results too and there we certainly don't want to write them out should we be short on memory. In any case, with today's computers we can afford to keep the entire result in memory and write them out at the end.
* [MEMALLOC] Add pushstackmarkHerbert Xu2007-10-06
| | | | | | | | This patch gets rid of the stack mark tracking hack by allocating a little bit of stack memory if we're at risk of planting a stack mark which may be grown later. To do this a new function pushstackmark is added which lets the user pick a bigger amount to allocate since some users do that anyway after setting a stack mark.
* [MEMALLOC] Made grabstackblock an inline wrapper for stallocHerbert Xu2007-10-05
| | | | | The function grabstackblock is identical in semantics to stalloc within its input constraints.
* [MEMALLOC] Remove unnecessary truncation in _STPUTCHerbert Xu2005-11-13
| | | | | Using char in the function argument causes unnecessary truncation to occur. This patch changes it to an int.
* Copyright/licence updates and remove all traces of sys/cdefs.hHerbert Xu2005-10-29
| | | | | | | | | | | This change updates the BSD licence to the three-clause version since NetBSD has already done so. This makes dash GPL-compatible. It also adds Christos Zoulas (NetBSD ash maintainer) to the COPYING file. I've added "copyright by Herbert Xu" to most files. Finally all CVS IDs and inclusion of sys/cdefs.h have been removed. The latter is needed for support of klibc.
* Initial import.Herbert Xu2005-09-26