Re: Frequency of 3.8 Malloc Options Check
On Wednesday 30 November 2005 02:17, Otto Moerbeek wrote: > On Tue, 29 Nov 2005, Dave Feustel wrote: > > On Tuesday 29 November 2005 19:19, Todd C. Miller wrote: > > > Note that you can also set the malloc options from within a program > > > you are developing. I've found this to be quite useful for adding > > > a "belt and suspenders" mode during developement (the use after > > > free checks in particular). > > > > > > - todd > > > > Interesting! I hadn't thought of that possibility. I just tried defining > > MALLOC_OPTIONS as an environment symbol. I put in all the letters > > mentioned in 'man malloc' but malloc repeatedly reports the presence > > of an unknown letter. > > it's likely D, which is not available by default, as documented. D was in fact the problem. I removed that letter from the string and the message went away. > -Otto
Re: Frequency of 3.8 Malloc Options Check
On Tue, 29 Nov 2005, Dave Feustel wrote: > On Tuesday 29 November 2005 19:19, Todd C. Miller wrote: > > Note that you can also set the malloc options from within a program > > you are developing. I've found this to be quite useful for adding > > a "belt and suspenders" mode during developement (the use after > > free checks in particular). > > > > - todd > > Interesting! I hadn't thought of that possibility. I just tried defining > MALLOC_OPTIONS as an environment symbol. I put in all the letters > mentioned in 'man malloc' but malloc repeatedly reports the presence > of an unknown letter. it's likely D, which is not available by default, as documented. -Otto
Re: Frequency of 3.8 Malloc Options Check
On Tue, 29 Nov 2005, Dave Feustel wrote: > On Tuesday 29 November 2005 19:19, Todd C. Miller wrote: > > Note that you can also set the malloc options from within a program > > you are developing. I've found this to be quite useful for adding > > a "belt and suspenders" mode during developement (the use after > > free checks in particular). > > > > - todd > > Interesting! I hadn't thought of that possibility. I just tried defining > MALLOC_OPTIONS as an environment symbol. I put in all the letters > mentioned in 'man malloc' but malloc repeatedly reports the presence > of an unknown letter. Which letters were you using? -Otto
Re: Frequency of 3.8 Malloc Options Check
On Tuesday 29 November 2005 19:19, Todd C. Miller wrote: > Note that you can also set the malloc options from within a program > you are developing. I've found this to be quite useful for adding > a "belt and suspenders" mode during developement (the use after > free checks in particular). > > - todd Interesting! I hadn't thought of that possibility. I just tried defining MALLOC_OPTIONS as an environment symbol. I put in all the letters mentioned in 'man malloc' but malloc repeatedly reports the presence of an unknown letter.
Re: Frequency of 3.8 Malloc Options Check
Note that you can also set the malloc options from within a program you are developing. I've found this to be quite useful for adding a "belt and suspenders" mode during developement (the use after free checks in particular). - todd
Re: Frequency of 3.8 Malloc Options Check
On 11/29/05, Dave Feustel <[EMAIL PROTECTED]> wrote: > I now have 3.8 installed. Very Nice, especially Firefox. > CDROM Artwork is also nicely done. > My question is re Malloc. When and how often does malloc > check the flags in MALLOC_OPTIONS. Once at system init, > on every malloc call, or other? Can I set the options, > run a program, and see if the new options affect the way > the program runs? first call to malloc a program makes.
Re: Frequency of 3.8 Malloc Options Check
On Tue, 29 Nov 2005, Dave Feustel wrote: > I now have 3.8 installed. Very Nice, especially Firefox. > CDROM Artwork is also nicely done. > My question is re Malloc. When and how often does malloc > check the flags in MALLOC_OPTIONS. Once at system init, > on every malloc call, or other? Can I set the options, > run a program, and see if the new options affect the way > the program runs? It is be checked at process startup. -Otto
