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Convert sudo to use BSD TAILQ macros instead of home ground tail

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queue functions.  This includes a private queue.h header derived
from FreeBSD.  It is simpler to just use our own header rather than
try to deal with macros that may or may not be present in various
queue.h incarnations.
This commit is contained in:
Todd C. Miller
2013-10-22 09:00:37 -06:00
parent fe0e953e9b
commit 923edabe6c
31 changed files with 962 additions and 299 deletions
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14
include/sudo_event.h
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@@ -17,6 +17,8 @@
#ifndef _SUDO_EVENT_H
#define _SUDO_EVENT_H
#include "queue.h"
/* Event types */
#define SUDO_EV_READ 0x01 /* fire when readable */
#define SUDO_EV_WRITE 0x02 /* fire when writable */
@@ -39,8 +41,7 @@ typedef void (*sudo_ev_callback_t)(int fd, int what, void *closure);
/* Member of struct sudo_event_base. */
struct sudo_event {
struct sudo_event *prev; /* must be first element in struct */
struct sudo_event *next; /* must be second element in struct */
TAILQ_ENTRY(sudo_event) entries;
struct sudo_event_base *base; /* base this event belongs to */
int fd; /* fd we are interested in */
short events; /* SUDO_EV_* flags */
@@ -49,11 +50,12 @@ struct sudo_event {
void *closure; /* user-provided data pointer */
};
/* Tail queue of events. */
TAILQ_HEAD(sudo_event_list, sudo_event);
struct sudo_event_base {
struct sudo_event *first; /* must be first element in struct */
struct sudo_event *last; /* must be second element in struct */
struct sudo_event *pending; /* next event to be run in the event loop */
struct sudo_event_list events; /* tail queue of events */
/* XXX - also list of active events and timed events */
struct sudo_event *pending; /* next event to be run in the event loop XXX */
#ifdef HAVE_POLL
struct pollfd *pfds; /* array of struct pollfd */
int pfd_max; /* size of the pfds array */