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Re: x*alloc optimizations
- To: drepper at cygnus dot com
- Subject: Re: x*alloc optimizations
- From: Michael Meissner <meissner at cygnus dot com>
- Date: Wed, 20 May 1998 15:44:04 -0400
- Cc: egcs at cygnus dot com
| Michael Meissner <meissner@cygnus.com> writes:
|
| > I as supplier of compiler binaries then would have my releases not
| > work, if I built the compiler on one revision, and had users on the
| > other revision tried to use the compiler. Depending on a configure
| > test for malloc/realloc behavior is utterly dangerous for providers
| > of binary software.
|
| Come on! This is no arbitrary test. This is the test for ISO C
| compliance and no vendor will dare to make an compliant library
| suddenly uncompliant.
There are loads of uncomplaint systems. Also ISO C has two different
behaviors (return NULL or return a unique pointer). If you test for one, a
system vendor may change his/her implementation to do the other behavior
without breaking ISO C conformance.