Re: question about nullptr

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Sujet : Re: question about nullptr
De : janis_papanagnou+ng (at) *nospam* hotmail.com (Janis Papanagnou)
Groupes : comp.lang.c
Date : 06. Jul 2024, 15:42:05
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <v6bl3t$3rijo$2@dont-email.me>
References : 1 2 3 4
User-Agent : Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0
On 06.07.2024 16:04, Scott Lurndal wrote:
Janis Papanagnou <janis_papanagnou+ng@hotmail.com> writes:
>
We also used 0 as "universal" pointer value regularly without problems.
 
Whereas I spent 6 years programming on an architecture[*] where a
null pointer was represented in hardware by the value 0xc0eeeeee.

Yes, but a 0 pointer value has not the meaning of an int value 0.

Janis

I always
use the NULL macro in both C and C++ code.
 
[*] now obsolete.
 


Date Sujet#  Auteur
6 Jul 24 * question about nullptr125Thiago Adams
6 Jul 24 +- Re: question about nullptr1Bonita Montero
6 Jul 24 +- Re: question about nullptr1John McCue
6 Jul 24 +* Re: question about nullptr104Kaz Kylheku
6 Jul 24 i+* Re: question about nullptr86Janis Papanagnou
6 Jul 24 ii+* Re: question about nullptr2Janis Papanagnou
6 Jul 24 iii`- Re: question about nullptr1Janis Papanagnou
6 Jul 24 ii+* Re: question about nullptr2Andrey Tarasevich
7 Jul 24 iii`- Re: question about nullptr1Tim Rentsch
6 Jul 24 ii+* Re: question about nullptr2bart
7 Jul 24 iii`- Re: question about nullptr1Keith Thompson
6 Jul 24 ii+* Re: question about nullptr9Chris M. Thomasson
6 Jul 24 iii+* Re: question about nullptr3Chris M. Thomasson
7 Jul 24 iiii`* Re: question about nullptr2Lawrence D'Oliveiro
9 Jul 24 iiii `- Re: question about nullptr1Chris M. Thomasson
6 Jul 24 iii+- Re: question about nullptr1Richard Damon
7 Jul 24 iii+* Re: question about nullptr3James Kuyper
7 Jul 24 iiii`* Re: question about nullptr2Keith Thompson
7 Jul 24 iiii `- Re: question about nullptr1Chris M. Thomasson
7 Jul 24 iii`- Re: question about nullptr1Lawrence D'Oliveiro
7 Jul 24 ii+- Re: question about nullptr1Kaz Kylheku
7 Jul 24 ii`* Re: question about nullptr69Ben Bacarisse
7 Jul 24 ii +- Re: question about nullptr1Tim Rentsch
7 Jul 24 ii +- Re: question about nullptr1Tim Rentsch
7 Jul 24 ii +- Re: question about nullptr1Kaz Kylheku
7 Jul 24 ii `* Re: question about nullptr65Ben Bacarisse
8 Jul 24 ii  +* Re: question about nullptr37Keith Thompson
8 Jul 24 ii  i+- Re: question about nullptr1Janis Papanagnou
8 Jul 24 ii  i+* Re: question about nullptr27Michael S
9 Jul 24 ii  ii+* Re: question about nullptr12Chris M. Thomasson
9 Jul 24 ii  iii`* Re: question about nullptr11Michael S
9 Jul 24 ii  iii `* Re: question about nullptr10Tim Rentsch
9 Jul 24 ii  iii  +* Re: question about nullptr6Thiago Adams
9 Jul 24 ii  iii  i+* Re: question about nullptr3Tim Rentsch
9 Jul 24 ii  iii  ii`* Re: question about nullptr2Thiago Adams
9 Jul 24 ii  iii  ii `- Re: question about nullptr1Tim Rentsch
10 Jul 24 ii  iii  i`* Re: question about nullptr2Kaz Kylheku
10 Jul 24 ii  iii  i `- Re: question about nullptr1Thiago Adams
9 Jul 24 ii  iii  `* Re: question about nullptr3Michael S
9 Jul 24 ii  iii   +- Re: question about nullptr1Tim Rentsch
9 Jul 24 ii  iii   `- Re: question about nullptr1David Brown
9 Jul 24 ii  ii+* Re: question about nullptr4Kaz Kylheku
9 Jul 24 ii  iii`* Re: question about nullptr3Michael S
9 Jul 24 ii  iii +- Re: question about nullptr1Kaz Kylheku
9 Jul 24 ii  iii `- Re: question about nullptr1Tim Rentsch
9 Jul 24 ii  ii`* Re: question about nullptr10Tim Rentsch
9 Jul 24 ii  ii `* Re: question about nullptr9Keith Thompson
9 Jul 24 ii  ii  +- Re: question about nullptr1Chris M. Thomasson
10 Jul 24 ii  ii  `* Re: question about nullptr7Tim Rentsch
10 Jul 24 ii  ii   `* Re: question about nullptr6Keith Thompson
11 Jul 24 ii  ii    +* Re: question about nullptr3James Kuyper
13 Aug 24 ii  ii    i`* Re: question about nullptr2Tim Rentsch
13 Aug 24 ii  ii    i `- Re: question about nullptr1Keith Thompson
13 Aug 24 ii  ii    `* Re: question about nullptr2Tim Rentsch
13 Aug 24 ii  ii     `- Re: question about nullptr1Keith Thompson
8 Jul 24 ii  i+- Re: question about nullptr1Keith Thompson
9 Jul 24 ii  i`* Re: question about nullptr7Andrey Tarasevich
9 Jul 24 ii  i +* Re: question about nullptr2Andrey Tarasevich
11 Jul 24 ii  i i`- Re: question about nullptr1Lawrence D'Oliveiro
9 Jul 24 ii  i `* Re: question about nullptr4Keith Thompson
10 Jul 24 ii  i  `* Re: question about nullptr3Tim Rentsch
10 Jul 24 ii  i   `* Re: question about nullptr2Keith Thompson
12 Aug 24 ii  i    `- Re: question about nullptr1Tim Rentsch
8 Jul 24 ii  `* Re: question about nullptr27Ben Bacarisse
8 Jul 24 ii   +* Re: question about nullptr24Kaz Kylheku
8 Jul 24 ii   i+* Re: question about nullptr22Janis Papanagnou
8 Jul 24 ii   ii+* Re: question about nullptr19Ben Bacarisse
8 Jul 24 ii   iii+* Re: question about nullptr12Janis Papanagnou
8 Jul 24 ii   iiii`* Re: question about nullptr11Ben Bacarisse
8 Jul 24 ii   iiii `* Re: question about nullptr10Janis Papanagnou
9 Jul 24 ii   iiii  `* Re: question about nullptr9Ben Bacarisse
10 Jul 24 ii   iiii   `* Re: question about nullptr8Janis Papanagnou
11 Jul 24 ii   iiii    `* Re: question about nullptr7Ben Bacarisse
12 Jul 24 ii   iiii     `* Re: question about nullptr6Janis Papanagnou
13 Jul 24 ii   iiii      +* Re: question about nullptr3Ben Bacarisse
13 Jul 24 ii   iiii      i`* Re: question about nullptr2Janis Papanagnou
15 Jul 24 ii   iiii      i `- Re: question about nullptr1Ben Bacarisse
13 Jul 24 ii   iiii      +- Re: question about nullptr1Janis Papanagnou
17 Jul 24 ii   iiii      `- Re: question about nullptr1Tim Rentsch
9 Jul 24 ii   iii`* Re: question about nullptr6Kaz Kylheku
9 Jul 24 ii   iii +- Re: question about nullptr1Chris M. Thomasson
9 Jul 24 ii   iii `* Re: question about nullptr4Ben Bacarisse
11 Jul 24 ii   iii  `* Re: question about nullptr3Chris M. Thomasson
11 Jul 24 ii   iii   `* Re: question about nullptr2Ben Bacarisse
11 Jul 24 ii   iii    `- Re: question about nullptr1Chris M. Thomasson
11 Jul 24 ii   ii`* Re: question about nullptr2Lawrence D'Oliveiro
12 Jul 24 ii   ii `- Re: question about nullptr1Janis Papanagnou
8 Jul 24 ii   i`- Re: question about nullptr1Richard Damon
8 Jul 24 ii   `* Re: question about nullptr2James Kuyper
9 Jul 24 ii    `- Re: question about nullptr1Kaz Kylheku
6 Jul 24 i+* Re: question about nullptr4bart
7 Jul 24 ii`* Re: question about nullptr3Lawrence D'Oliveiro
7 Jul 24 ii +- Re: question about nullptr1Keith Thompson
7 Jul 24 ii `- Re: question about nullptr1bart
12 Jul 24 i`* Re: question about nullptr13Richard Harnden
12 Jul 24 i +* Re: question about nullptr4Kaz Kylheku
13 Jul 24 i i`* Re: question about nullptr3Kaz Kylheku
13 Jul 24 i i +- Re: question about nullptr1James Kuyper
13 Jul 24 i i `- Re: question about nullptr1Keith Thompson
14 Jul 24 i +- Re: question about nullptr1Tim Rentsch
16 Jul 24 i `* Re: question about nullptr7Lawrence D'Oliveiro
6 Jul 24 `* Re: question about nullptr18Richard Damon

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