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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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6
src/usermod.c
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@ -205,7 +205,7 @@ static int get_groups (char *list)
/*
* Initialize the list to be empty
*/
user_groups[0] = (char *) 0;
user_groups[0] = NULL;
if ('\0' == *list) {
return 0;
@ -280,7 +280,7 @@ static int get_groups (char *list)
gr_free ((struct group *)grp);
} while (NULL != list);
user_groups[ngroups] = (char *) 0;
user_groups[ngroups] = NULL;
/*
* Any errors in finding group names are fatal
@ -2154,7 +2154,7 @@ int main (int argc, char **argv)
sys_ngroups = sysconf (_SC_NGROUPS_MAX);
user_groups = (char **) malloc (sizeof (char *) * (1 + sys_ngroups));
user_groups[0] = (char *) 0;
user_groups[0] = NULL;
is_shadow_pwd = spw_file_present ();
#ifdef SHADOWGRP