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lib/port.c: getttyuser(): Use pointer arithmetic to simplify

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Signed-off-by: Alejandro Colomar <alx@kernel.org>
This commit is contained in:
Alejandro Colomar
2024-07-02 16:16:29 +02:00
committed by Serge Hallyn
parent d9d0117e80
commit b4b4ff633a
1 changed files with 16 additions and 16 deletions
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32
lib/port.c
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@@ -320,33 +320,33 @@ next:
* entries are treated as an ordered list.
*/
static struct port *getttyuser (const char *tty, const char *user)
static struct port *
getttyuser(const char *tty, const char *user)
{
int i, j;
struct port *port;
struct port *port;
setportent ();
setportent();
while ((port = getportent ()) != NULL) {
for (i = 0; NULL != port->pt_names[i]; i++) {
if (portcmp (port->pt_names[i], tty) == 0) {
while ((port = getportent()) != NULL) {
char **ptn;
char **ptu;
for (ptn = port->pt_names; *ptn != NULL; ptn++) {
if (portcmp(*ptn, tty) == 0)
break;
}
}
if (port->pt_names[i] == 0) {
if (*ptn == NULL)
continue;
}
for (j = 0; NULL != port->pt_users[j]; j++) {
if ( (strcmp (user, port->pt_users[j]) == 0)
|| (strcmp (port->pt_users[j], "*") == 0))
{
for (ptu = port->pt_users; *ptu != NULL; ptu++) {
if (strcmp(*ptu, user) == 0)
goto end;
if (strcmp(*ptu, "*") == 0)
goto end;
}
}
}
end:
endportent ();
endportent();
return port;
}