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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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libmisc/pwdcheck.c
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@@ -26,7 +26,7 @@ void passwd_check (const char *user, const char *passwd, unused const char *prog
if (NULL != sp) {
passwd = sp->sp_pwdp;
}
if (pw_auth (passwd, user, PW_LOGIN, (char *) 0) != 0) {
if (pw_auth (passwd, user, PW_LOGIN, NULL) != 0) {
SYSLOG ((LOG_WARN, "incorrect password for `%s'", user));
(void) sleep (1);
fprintf (log_get_logfd(), _("Incorrect password for %s.\n"), user);