On 2021-04-16 14:52:50 +0100, Edmund Grimley Evans wrote:
> Riddle me this:
>
> $ gcc --version | head -n 1
> gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
> $ printf '#line 60129542143\n__LINE__' | gcc -E - | grep -v ^#
> 4294967295
> $ printf '#line 60129542144\n__LINE__' | gcc -E - | grep -v ^#
Riddle me this:
$ gcc --version | head -n 1
gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
$ printf '#line 60129542143\n__LINE__' | gcc -E - | grep -v ^#
4294967295
$ printf '#line 60129542144\n__LINE__' | gcc -E - | grep -v ^#
:1:7: warning: line number out of range
0
$ gdb
(gdb) p/x 60129542143
$1
On 2021-04-16 07:11:27 +0200, Christian Jullien wrote:
> C standard says nothing about line int overflow so tcc can't be
> declared as wrong.
I've looked at the C standard, and I could see nowhere that an
implementation is allowed to restrict the line number to the int
type. Actually, it more or
On 2021-04-16 07:11:27 +0200, Christian Jullien wrote:
> Even more strange, __LINE__ type changes as it overflows on clang, and gcc:
>
> int
> main() {
> #line 2147483647
> printf("__LINE__: %s\n", TYPEOF(__LINE__));
> #line 30
> printf("__LINE__: %s\n", TYPEOF(__LINE__));
> }
>
>
ge-
From: Tinycc-devel [mailto:tinycc-devel-bounces+eligis=orange...@nongnu.org] On
Behalf Of Christian Jullien
Sent: Friday, April 16, 2021 07:11
To: tinycc-devel@nongnu.org
Subject: Re: [Tinycc-devel] __LINE__ and #line undelying type
Even more strange, __LINE__ type changes as it overflo
org] On
Behalf Of Elijah Stone
Sent: Friday, April 16, 2021 06:42
To: jull...@eligis.com; tinycc-devel@nongnu.org
Subject: Re: [Tinycc-devel] __LINE__ and #line undelying type
On Fri, 16 Apr 2021, Christian Jullien wrote:
> C standard says:
> _ _LINE_ _ The presumed line number (within the curre
On Fri, 16 Apr 2021, Christian Jullien wrote:
C standard says:
_ _LINE_ _ The presumed line number (within the current source file) of the
current
source line (an integer constant).
So, it should be a signed integer (same as int on your running architecture
which is internally either int32_t
ims4:~ $ tcc -std=c11 foo.c -o foo && ./foo
__LINE__: int
unsigned: unsigned int
signed: int
-Original Message-
From: Tinycc-devel [mailto:tinycc-devel-bounces+eligis=orange...@nongnu.org] On
Behalf Of Yakov
Sent: Friday, April 16, 2021 03:18
To: Tinycc-devel@nongnu.org
Su
I remember #line was limited to 65535 on tcc recently, but now it is
limited to 294967295 (max int32), when this was changed?
Also I think it should be 42949672965 instead (max uint32) as in GCC and Clang.
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