On Tue, Jun 11, 2019 at 03:58:27PM +, Michael Matz wrote:
> On Tue, 11 Jun 2019, Martin Liška wrote:
>
> > I see 3 occurrences of the alloca (0) in libiberty/regex.c, but there are
> > properly
> > guarded within:
> >
> > # ifdef C_ALLOCA
> > alloca (0);
> > # endif
> >
> > and then I
Hi,
On Tue, 11 Jun 2019, Martin Liška wrote:
> I see 3 occurrences of the alloca (0) in libiberty/regex.c, but there are
> properly
> guarded within:
>
> # ifdef C_ALLOCA
> alloca (0);
> # endif
>
> and then I noticed 2 more occurrences in gdb that break build right now:
>
> gdb/regcach
On 6/11/19 9:49 AM, Martin Liška wrote:
> gdb/regcache.c: alloca (0);
> gdb/top.c: alloca (0);
There's a PR for these:
https://sourceware.org/bugzilla/show_bug.cgi?id=24653
Martin
On 6/10/19 1:54 PM, Andrew Haley wrote:
> On 6/10/19 8:24 AM, Martin Liška wrote:
>
>> I've just noticed that we have couple of alloca (0) in libiberty:
>>
>> #ifndef REGEX_MALLOC
>> # ifdef C_ALLOCA
>> alloca (0);
>> # endif
>> #endif
>>
>> If I'm correct the value 0 has a special meaning t
On 6/10/19 5:54 AM, Andrew Haley wrote:
> On 6/10/19 8:24 AM, Martin Liška wrote:
>
>> I've just noticed that we have couple of alloca (0) in libiberty:
>>
>> #ifndef REGEX_MALLOC
>> # ifdef C_ALLOCA
>> alloca (0);
>> # endif
>> #endif
>>
>> If I'm correct the value 0 has a special meaning t
On 6/10/19 8:24 AM, Martin Liška wrote:
> I've just noticed that we have couple of alloca (0) in libiberty:
>
> #ifndef REGEX_MALLOC
> # ifdef C_ALLOCA
> alloca (0);
> # endif
> #endif
>
> If I'm correct the value 0 has a special meaning that tells a C library
> to clean up all previous al
Hi.
I've just noticed that we have couple of alloca (0) in libiberty:
#ifndef REGEX_MALLOC
# ifdef C_ALLOCA
alloca (0);
# endif
#endif
If I'm correct the value 0 has a special meaning that tells a C library
to clean up all previous alloca allocations.
man alloca does not document the beha
