Re: Buffer contents well-defined after fgets() reaches EOF ?

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Sujet : Re: Buffer contents well-defined after fgets() reaches EOF ?
De : janis_papanagnou+ng (at) *nospam* hotmail.com (Janis Papanagnou)
Groupes : comp.lang.c
Date : 16. Feb 2025, 19:14:31
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <vot9u9$n1k4$1@dont-email.me>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14
User-Agent : Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0
On 16.02.2025 09:48, Michael S wrote:
On Sun, 16 Feb 2025 04:29:20 +0100
Janis Papanagnou <janis_papanagnou+ng@hotmail.com> wrote:
>
Moreover, I prefer functions with a simpler interface to functions
with a more clumsy one (I mean the 'char **saveptr' part); so why
use the complex one in the first place if it just complicates its
use and reduces the code clarity unnecessarily.
 
I don't see how explicit context variable can be considered less clear
than context hidden within library in non-obvious way [...]

Explicitly maintaining unnecessary parameters and providing additional
code for the logic to handle that unnecessarily is not obviously less
clear to you? - Then I cannot help you, sorry.

 
Re "more problematic functions in C library"...
I had to chuckle on that; if you're coming from other languages
most "C" functions - especially the low-level "C" functions that
operate on memory with pointers - don't look "unproblematic". :-)
 
I tend to have no problems with low-level C RTL functions, in
particular those with names start with 'mem'.

*shrug*

I recall (in early C++ days when there wasn't yet a string type) to
have based a set of string functions on the mem...() type functions
(as opposed to the str...() type functions); it wasn't more difficult.
Rather the effects had been (a) that we could operate binary strings,
(b) that it was (slightly) faster code, and (c) that some code could
get even simpler.

More problems with some
of those that try to be "higher level", for example, strcat(). Even more
with those that their designers probably considered 'object-oriented',
like strtok().

I don't consider strtok() being 'object-oriented', rather the opposite
because of the globally static attribute it has. OO objects typically
carry their own state (unless you deliberately implement a Singleton
pattern).

Janis


Date Sujet#  Auteur
9 Feb 25 * Buffer contents well-defined after fgets() reaches EOF ?83Janis Papanagnou
9 Feb 25 +- Re: Buffer contents well-defined after fgets() reaches EOF ?1Kaz Kylheku
9 Feb 25 +* Re: Buffer contents well-defined after fgets() reaches EOF ?79Andrey Tarasevich
9 Feb 25 i+* Re: Buffer contents well-defined after fgets() reaches EOF ?61Andrey Tarasevich
10 Feb 25 ii`* Re: Buffer contents well-defined after fgets() reaches EOF ?60Lawrence D'Oliveiro
10 Feb 25 ii `* Re: Buffer contents well-defined after fgets() reaches EOF ?59Andrey Tarasevich
10 Feb 25 ii  +* Re: Buffer contents well-defined after fgets() reaches EOF ?37Andrey Tarasevich
10 Feb 25 ii  i+* Re: Buffer contents well-defined after fgets() reaches EOF ?35Michael S
13 Feb 25 ii  ii`* Re: Buffer contents well-defined after fgets() reaches EOF ?34Tim Rentsch
14 Feb 25 ii  ii `* Re: Buffer contents well-defined after fgets() reaches EOF ?33Michael S
14 Feb 25 ii  ii  +* Re: Buffer contents well-defined after fgets() reaches EOF ?2Michael S
14 Feb 25 ii  ii  i`- Re: Buffer contents well-defined after fgets() reaches EOF ?1Kaz Kylheku
14 Feb 25 ii  ii  +* Re: Buffer contents well-defined after fgets() reaches EOF ?21Kaz Kylheku
14 Feb 25 ii  ii  i+* Re: Buffer contents well-defined after fgets() reaches EOF ?3Keith Thompson
14 Feb 25 ii  ii  ii`* Re: Buffer contents well-defined after fgets() reaches EOF ?2Kaz Kylheku
15 Feb 25 ii  ii  ii `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Michael S
14 Feb 25 ii  ii  i+* Re: Buffer contents well-defined after fgets() reaches EOF ?14Janis Papanagnou
15 Feb 25 ii  ii  ii+- Re: Buffer contents well-defined after fgets() reaches EOF ?1Michael S
15 Feb 25 ii  ii  ii`* Re: Buffer contents well-defined after fgets() reaches EOF ?12Michael S
16 Feb 25 ii  ii  ii +* Re: Buffer contents well-defined after fgets() reaches EOF ?7Janis Papanagnou
16 Feb 25 ii  ii  ii i+* Re: Buffer contents well-defined after fgets() reaches EOF ?3James Kuyper
16 Feb 25 ii  ii  ii ii+- Re: Buffer contents well-defined after fgets() reaches EOF ?1Kaz Kylheku
16 Feb 25 ii  ii  ii ii`- Re: Buffer contents well-defined after fgets() reaches EOF ?1Janis Papanagnou
16 Feb 25 ii  ii  ii i`* Re: Buffer contents well-defined after fgets() reaches EOF ?3Michael S
16 Feb 25 ii  ii  ii i `* Re: Buffer contents well-defined after fgets() reaches EOF ?2Janis Papanagnou
17 Feb 25 ii  ii  ii i  `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Michael S
16 Feb 25 ii  ii  ii `* Re: Buffer contents well-defined after fgets() reaches EOF ?4Kaz Kylheku
16 Feb 25 ii  ii  ii  +* Re: Buffer contents well-defined after fgets() reaches EOF ?2Michael S
16 Feb 25 ii  ii  ii  i`- Re: Buffer contents well-defined after fgets() reaches EOF ?1Janis Papanagnou
16 Feb 25 ii  ii  ii  `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Janis Papanagnou
15 Feb 25 ii  ii  i+- Re: Buffer contents well-defined after fgets() reaches EOF ?1Michael S
15 Feb 25 ii  ii  i`* Re: Buffer contents well-defined after fgets() reaches EOF ?2Michael S
16 Feb 25 ii  ii  i `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Janis Papanagnou
14 Feb 25 ii  ii  +* Re: Buffer contents well-defined after fgets() reaches EOF ?5Janis Papanagnou
14 Feb 25 ii  ii  i`* Re: Buffer contents well-defined after fgets() reaches EOF ?4James Kuyper
14 Feb 25 ii  ii  i `* Re: Buffer contents well-defined after fgets() reaches EOF ?3Janis Papanagnou
15 Feb 25 ii  ii  i  `* Re: Buffer contents well-defined after fgets() reaches EOF ?2Michael S
16 Feb 25 ii  ii  i   `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Janis Papanagnou
15 Feb 25 ii  ii  +* Re: Buffer contents well-defined after fgets() reaches EOF ?3Tim Rentsch
15 Feb 25 ii  ii  i`* Re: Buffer contents well-defined after fgets() reaches EOF ?2Michael S
19 Feb 25 ii  ii  i `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Tim Rentsch
21 Feb 25 ii  ii  `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Lawrence D'Oliveiro
15 Feb 25 ii  i`- Re: Buffer contents well-defined after fgets() reaches EOF ?1Tim Rentsch
10 Feb 25 ii  +- Re: Buffer contents well-defined after fgets() reaches EOF ?1Janis Papanagnou
10 Feb 25 ii  `* Re: Buffer contents well-defined after fgets() reaches EOF ?20Lawrence D'Oliveiro
10 Feb 25 ii   `* Re: Buffer contents well-defined after fgets() reaches EOF ?19Andrey Tarasevich
10 Feb 25 ii    `* Re: Buffer contents well-defined after fgets() reaches EOF ?18Lawrence D'Oliveiro
10 Feb 25 ii     `* Re: Buffer contents well-defined after fgets() reaches EOF ?17James Kuyper
11 Feb 25 ii      `* Re: Buffer contents well-defined after fgets() reaches EOF ?16Lawrence D'Oliveiro
11 Feb 25 ii       +* Re: Buffer contents well-defined after fgets() reaches EOF ?11James Kuyper
11 Feb 25 ii       i+- Re: Buffer contents well-defined after fgets() reaches EOF ?1Kaz Kylheku
11 Feb 25 ii       i`* Re: Buffer contents well-defined after fgets() reaches EOF ?9Lawrence D'Oliveiro
11 Feb 25 ii       i `* Re: Buffer contents well-defined after fgets() reaches EOF ?8James Kuyper
11 Feb 25 ii       i  +* Re: Buffer contents well-defined after fgets() reaches EOF ?3Lawrence D'Oliveiro
11 Feb 25 ii       i  i`* Re: Buffer contents well-defined after fgets() reaches EOF ?2James Kuyper
12 Feb 25 ii       i  i `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Lawrence D'Oliveiro
11 Feb 25 ii       i  `* Re: Buffer contents well-defined after fgets() reaches EOF ?4Keith Thompson
11 Feb 25 ii       i   `* Re: Buffer contents well-defined after fgets() reaches EOF ?3James Kuyper
12 Feb 25 ii       i    `* Re: Buffer contents well-defined after fgets() reaches EOF ?2Keith Thompson
18 Feb 25 ii       i     `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Tim Rentsch
11 Feb 25 ii       `* Re: Buffer contents well-defined after fgets() reaches EOF ?4Andrey Tarasevich
11 Feb 25 ii        +- Re: Buffer contents well-defined after fgets() reaches EOF ?1Andrey Tarasevich
11 Feb 25 ii        +- Re: Buffer contents well-defined after fgets() reaches EOF ?1Kaz Kylheku
13 Feb 25 ii        `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Tim Rentsch
9 Feb 25 i`* Re: Buffer contents well-defined after fgets() reaches EOF ?17Janis Papanagnou
9 Feb 25 i +* Re: Buffer contents well-defined after fgets() reaches EOF ?3Michael S
9 Feb 25 i i`* Re: Buffer contents well-defined after fgets() reaches EOF ?2Janis Papanagnou
10 Feb 25 i i `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Mark Bourne
9 Feb 25 i +* Re: Buffer contents well-defined after fgets() reaches EOF ?11Andrey Tarasevich
9 Feb 25 i i`* Re: Buffer contents well-defined after fgets() reaches EOF ?10Janis Papanagnou
10 Feb 25 i i `* Re: Buffer contents well-defined after fgets() reaches EOF ?9Keith Thompson
10 Feb 25 i i  `* Re: Buffer contents well-defined after fgets() reaches EOF ?8Janis Papanagnou
10 Feb 25 i i   `* Re: Buffer contents well-defined after fgets() reaches EOF ?7Keith Thompson
10 Feb 25 i i    `* Re: Buffer contents well-defined after fgets() reaches EOF ?6Janis Papanagnou
10 Feb 25 i i     `* Re: Buffer contents well-defined after fgets() reaches EOF ?5Keith Thompson
10 Feb 25 i i      +* Re: Buffer contents well-defined after fgets() reaches EOF ?3Janis Papanagnou
11 Feb 25 i i      i+- Re: Buffer contents well-defined after fgets() reaches EOF ?1Mark Bourne
11 Feb 25 i i      i`- Re: Buffer contents well-defined after fgets() reaches EOF ?1Kaz Kylheku
17 Feb 25 i i      `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Lawrence D'Oliveiro
10 Feb 25 i `* Re: Buffer contents well-defined after fgets() reaches EOF ?2Mark Bourne
11 Feb 25 i  `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Mark Bourne
10 Feb 25 `* Re: Buffer contents well-defined after fgets() reaches EOF ?2Ben Bacarisse
10 Feb 25  `- Re: Buffer contents well-defined after fgets() reaches EOF ?1Janis Papanagnou

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