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Call NULL by its name

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In variadic functions we still do the cast.  In POSIX, it's not
necessary, since NULL is required to be of type 'void *', and 'void *'
is guaranteed to have the same alignment and representation as 'char *'.
However, since ISO C still doesn't mandate that, and moreover they're
doing dubious stuff by adding nullptr, let's be on the cautious side.
Also, C++ requires that NULL is _not_ 'void *', but either plain 0 or
some magic stuff.

Signed-off-by: Alejandro Colomar <alx@kernel.org>
This commit is contained in:
Alejandro Colomar
2023-02-01 02:50:14 +01:00
committed by Serge Hallyn
parent 1482224c54
commit 62172f6fb5
31 changed files with 84 additions and 84 deletions
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8
lib/shadow.c
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@ -94,7 +94,7 @@ void endspent (void)
(void) fclose (shadow);
}
shadow = (FILE *) 0;
shadow = NULL;
}
/*
@ -336,9 +336,9 @@ struct spwd *fgetspent (FILE * fp)
}
#ifdef USE_NIS
while (fgets (buf, (int) sizeof buf, fp) != (char *) 0)
while (fgets (buf, (int) sizeof buf, fp) != NULL)
#else
if (fgets (buf, (int) sizeof buf, fp) != (char *) 0)
if (fgets (buf, (int) sizeof buf, fp) != NULL)
#endif
{
cp = strchr (buf, '\n');
@ -511,7 +511,7 @@ struct spwd *getspnam (const char *name)
nis_disabled = true;
}
#endif
while ((sp = getspent ()) != (struct spwd *) 0) {
while ((sp = getspent ()) != NULL) {
if (strcmp (name, sp->sp_namp) == 0) {
break;
}