]> git.sur5r.net Git - bacula/bacula/blobdiff - bacula/src/lib/bsd_queue.h
Eliminate dependency on man2html.
[bacula/bacula] / bacula / src / lib / bsd_queue.h
index be3c928d3d0eb37458c15f7568ba87d3782cd7f7..b8c1614ef624a45666d06d385c74b6e943a47d42 100644 (file)
@@ -43,7 +43,7 @@
 #define _LOCAL_SYS_QUEUE_H_
 
 /*
- * This file defines five types of data structures: singly-linked lists, 
+ * This file defines five types of data structures: singly-linked lists,
  * lists, simple queues, tail queues, and circular queues.
  *
  *
  */
 #define SLIST_HEAD(name, type)                                          \
 struct name {                                                           \
-        struct type *slh_first; /* first element */                     \
+       struct type *slh_first; /* first element */                     \
 }
+
 #define SLIST_HEAD_INITIALIZER(head)                                    \
-        { NULL }
+       { NULL }
+
 /* Conflicts with winnt.h */
 #define bSLIST_ENTRY(type)                                               \
 struct {                                                                \
-        struct type *sle_next;  /* next element */                      \
+       struct type *sle_next;  /* next element */                      \
 }
+
 /*
  * Singly-linked List access methods.
  */
@@ -115,48 +115,48 @@ struct {                                                                \
 #define SLIST_NEXT(elm, field)  ((elm)->field.sle_next)
 
 #define SLIST_FOREACH(var, head, field)                                 \
-        for((var) = SLIST_FIRST(head);                                  \
-            (var) != SLIST_END(head);                                   \
-            (var) = SLIST_NEXT(var, field))
+       for((var) = SLIST_FIRST(head);                                  \
+           (var) != SLIST_END(head);                                   \
+           (var) = SLIST_NEXT(var, field))
 
 #define SLIST_FOREACH_SAFE(var, head, field, tvar)                      \
-        for((var) = SLIST_FIRST(head);                                  \
-            (var) != SLIST_END(head) &&                                 \
-            ((tvar) = SLIST_NEXT(var, field), 1);                       \
-            (var) = (tvar))
+       for((var) = SLIST_FIRST(head);                                  \
+           (var) != SLIST_END(head) &&                                 \
+           ((tvar) = SLIST_NEXT(var, field), 1);                       \
+           (var) = (tvar))
 
 /*
  * Singly-linked List functions.
  */
 #define SLIST_INIT(head) {                                              \
-        SLIST_FIRST(head) = SLIST_END(head);                            \
+       SLIST_FIRST(head) = SLIST_END(head);                            \
 }
 
 #define SLIST_INSERT_AFTER(slistelm, elm, field) do {                   \
-        (elm)->field.sle_next = (slistelm)->field.sle_next;             \
-        (slistelm)->field.sle_next = (elm);                             \
+       (elm)->field.sle_next = (slistelm)->field.sle_next;             \
+       (slistelm)->field.sle_next = (elm);                             \
 } while (0)
 
 #define SLIST_INSERT_HEAD(head, elm, field) do {                        \
-        (elm)->field.sle_next = (head)->slh_first;                      \
-        (head)->slh_first = (elm);                                      \
+       (elm)->field.sle_next = (head)->slh_first;                      \
+       (head)->slh_first = (elm);                                      \
 } while (0)
 
 #define SLIST_REMOVE_HEAD(head, field) do {                             \
-        (head)->slh_first = (head)->slh_first->field.sle_next;          \
+       (head)->slh_first = (head)->slh_first->field.sle_next;          \
 } while (0)
 
 #define SLIST_REMOVE(head, elm, type, field) do {                       \
-        if ((head)->slh_first == (elm)) {                               \
-                SLIST_REMOVE_HEAD((head), field);                       \
-        }                                                               \
-        else {                                                          \
-                struct type *curelm = (head)->slh_first;                \
-                while( curelm->field.sle_next != (elm) )                \
-                        curelm = curelm->field.sle_next;                \
-                curelm->field.sle_next =                                \
-                    curelm->field.sle_next->field.sle_next;             \
-        }                                                               \
+       if ((head)->slh_first == (elm)) {                               \
+               SLIST_REMOVE_HEAD((head), field);                       \
+       }                                                               \
+       else {                                                          \
+               struct type *curelm = (head)->slh_first;                \
+               while( curelm->field.sle_next != (elm) )                \
+                       curelm = curelm->field.sle_next;                \
+               curelm->field.sle_next =                                \
+                   curelm->field.sle_next->field.sle_next;             \
+       }                                                               \
 } while (0)
 
 /*
@@ -164,16 +164,16 @@ struct {                                                                \
  */
 #define LIST_HEAD(name, type)                                           \
 struct name {                                                           \
-        struct type *lh_first;  /* first element */                     \
+       struct type *lh_first;  /* first element */                     \
 }
 
 #define LIST_HEAD_INITIALIZER(head)                                     \
-        { NULL }
+       { NULL }
 
 #define LIST_ENTRY(type)                                                \
 struct {                                                                \
-        struct type *le_next;   /* next element */                      \
-        struct type **le_prev;  /* address of previous next element */  \
+       struct type *le_next;   /* next element */                      \
+       struct type **le_prev;  /* address of previous next element */  \
 }
 
 /*
@@ -185,59 +185,59 @@ struct {                                                                \
 #define LIST_NEXT(elm, field)           ((elm)->field.le_next)
 
 #define LIST_FOREACH(var, head, field)                                  \
-        for((var) = LIST_FIRST(head);                                   \
-            (var)!= LIST_END(head);                                     \
-            (var) = LIST_NEXT(var, field))
+       for((var) = LIST_FIRST(head);                                   \
+           (var)!= LIST_END(head);                                     \
+           (var) = LIST_NEXT(var, field))
 
 #define LIST_FOREACH_SAFE(var, head, field, tvar)                       \
-        for((var) = LIST_FIRST(head);                                   \
-            (var)!= LIST_END(head) &&                                   \
-            ((tvar) = LIST_NEXT(var, field), 1);                        \
-            (var) = (tvar))
+       for((var) = LIST_FIRST(head);                                   \
+           (var)!= LIST_END(head) &&                                   \
+           ((tvar) = LIST_NEXT(var, field), 1);                        \
+           (var) = (tvar))
 
 
 /*
  * List functions.
  */
 #define LIST_INIT(head) do {                                            \
-        LIST_FIRST(head) = LIST_END(head);                              \
+       LIST_FIRST(head) = LIST_END(head);                              \
 } while (0)
 
 #define LIST_INSERT_AFTER(listelm, elm, field) do {                     \
-        if (((elm)->field.le_next = (listelm)->field.le_next) != NULL)  \
-                (listelm)->field.le_next->field.le_prev =               \
-                    &(elm)->field.le_next;                              \
-        (listelm)->field.le_next = (elm);                               \
-        (elm)->field.le_prev = &(listelm)->field.le_next;               \
+       if (((elm)->field.le_next = (listelm)->field.le_next) != NULL)  \
+               (listelm)->field.le_next->field.le_prev =               \
+                   &(elm)->field.le_next;                              \
+       (listelm)->field.le_next = (elm);                               \
+       (elm)->field.le_prev = &(listelm)->field.le_next;               \
 } while (0)
 
 #define LIST_INSERT_BEFORE(listelm, elm, field) do {                    \
-        (elm)->field.le_prev = (listelm)->field.le_prev;                \
-        (elm)->field.le_next = (listelm);                               \
-        *(listelm)->field.le_prev = (elm);                              \
-        (listelm)->field.le_prev = &(elm)->field.le_next;               \
+       (elm)->field.le_prev = (listelm)->field.le_prev;                \
+       (elm)->field.le_next = (listelm);                               \
+       *(listelm)->field.le_prev = (elm);                              \
+       (listelm)->field.le_prev = &(elm)->field.le_next;               \
 } while (0)
 
 #define LIST_INSERT_HEAD(head, elm, field) do {                         \
-        if (((elm)->field.le_next = (head)->lh_first) != NULL)          \
-                (head)->lh_first->field.le_prev = &(elm)->field.le_next;\
-        (head)->lh_first = (elm);                                       \
-        (elm)->field.le_prev = &(head)->lh_first;                       \
+       if (((elm)->field.le_next = (head)->lh_first) != NULL)          \
+               (head)->lh_first->field.le_prev = &(elm)->field.le_next;\
+       (head)->lh_first = (elm);                                       \
+       (elm)->field.le_prev = &(head)->lh_first;                       \
 } while (0)
 
 #define LIST_REMOVE(elm, field) do {                                    \
-        if ((elm)->field.le_next != NULL)                               \
-                (elm)->field.le_next->field.le_prev =                   \
-                    (elm)->field.le_prev;                               \
-        *(elm)->field.le_prev = (elm)->field.le_next;                   \
+       if ((elm)->field.le_next != NULL)                               \
+               (elm)->field.le_next->field.le_prev =                   \
+                   (elm)->field.le_prev;                               \
+       *(elm)->field.le_prev = (elm)->field.le_next;                   \
 } while (0)
 
 #define LIST_REPLACE(elm, elm2, field) do {                             \
-        if (((elm2)->field.le_next = (elm)->field.le_next) != NULL)     \
-                (elm2)->field.le_next->field.le_prev =                  \
-                    &(elm2)->field.le_next;                             \
-        (elm2)->field.le_prev = (elm)->field.le_prev;                   \
-        *(elm2)->field.le_prev = (elm2);                                \
+       if (((elm2)->field.le_next = (elm)->field.le_next) != NULL)     \
+               (elm2)->field.le_next->field.le_prev =                  \
+                   &(elm2)->field.le_next;                             \
+       (elm2)->field.le_prev = (elm)->field.le_prev;                   \
+       *(elm2)->field.le_prev = (elm2);                                \
 } while (0)
 
 /*
@@ -245,16 +245,16 @@ struct {                                                                \
  */
 #define SIMPLEQ_HEAD(name, type)                                        \
 struct name {                                                           \
-        struct type *sqh_first; /* first element */                     \
-        struct type **sqh_last; /* addr of last next element */         \
+       struct type *sqh_first; /* first element */                     \
+       struct type **sqh_last; /* addr of last next element */         \
 }
 
 #define SIMPLEQ_HEAD_INITIALIZER(head)                                  \
-        { NULL, &(head).sqh_first }
+       { NULL, &(head).sqh_first }
 
 #define SIMPLEQ_ENTRY(type)                                             \
 struct {                                                                \
-        struct type *sqe_next;  /* next element */                      \
+       struct type *sqe_next;  /* next element */                      \
 }
 
 /*
@@ -266,45 +266,45 @@ struct {                                                                \
 #define SIMPLEQ_NEXT(elm, field)    ((elm)->field.sqe_next)
 
 #define SIMPLEQ_FOREACH(var, head, field)                               \
-        for((var) = SIMPLEQ_FIRST(head);                                \
-            (var) != SIMPLEQ_END(head);                                 \
-            (var) = SIMPLEQ_NEXT(var, field))
+       for((var) = SIMPLEQ_FIRST(head);                                \
+           (var) != SIMPLEQ_END(head);                                 \
+           (var) = SIMPLEQ_NEXT(var, field))
 
 #define SIMPLEQ_FOREACH_SAFE(var, head, field, tvar)                    \
-        for((var) = SIMPLEQ_FIRST(head);                                \
-            (var) != SIMPLEQ_END(head) &&                               \
-            ((tvar) = SIMPLEQ_NEXT(var, field), 1);                     \
-            (var) = (tvar))
+       for((var) = SIMPLEQ_FIRST(head);                                \
+           (var) != SIMPLEQ_END(head) &&                               \
+           ((tvar) = SIMPLEQ_NEXT(var, field), 1);                     \
+           (var) = (tvar))
 
 /*
  * Simple queue functions.
  */
 #define SIMPLEQ_INIT(head) do {                                         \
-        (head)->sqh_first = NULL;                                       \
-        (head)->sqh_last = &(head)->sqh_first;                          \
+       (head)->sqh_first = NULL;                                       \
+       (head)->sqh_last = &(head)->sqh_first;                          \
 } while (0)
 
 #define SIMPLEQ_INSERT_HEAD(head, elm, field) do {                      \
-        if (((elm)->field.sqe_next = (head)->sqh_first) == NULL)        \
-                (head)->sqh_last = &(elm)->field.sqe_next;              \
-        (head)->sqh_first = (elm);                                      \
+       if (((elm)->field.sqe_next = (head)->sqh_first) == NULL)        \
+               (head)->sqh_last = &(elm)->field.sqe_next;              \
+       (head)->sqh_first = (elm);                                      \
 } while (0)
 
 #define SIMPLEQ_INSERT_TAIL(head, elm, field) do {                      \
-        (elm)->field.sqe_next = NULL;                                   \
-        *(head)->sqh_last = (elm);                                      \
-        (head)->sqh_last = &(elm)->field.sqe_next;                      \
+       (elm)->field.sqe_next = NULL;                                   \
+       *(head)->sqh_last = (elm);                                      \
+       (head)->sqh_last = &(elm)->field.sqe_next;                      \
 } while (0)
 
 #define SIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do {            \
-        if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL)\
-                (head)->sqh_last = &(elm)->field.sqe_next;              \
-        (listelm)->field.sqe_next = (elm);                              \
+       if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL)\
+               (head)->sqh_last = &(elm)->field.sqe_next;              \
+       (listelm)->field.sqe_next = (elm);                              \
 } while (0)
 
 #define SIMPLEQ_REMOVE_HEAD(head, elm, field) do {                      \
-        if (((head)->sqh_first = (elm)->field.sqe_next) == NULL)        \
-                (head)->sqh_last = &(head)->sqh_first;                  \
+       if (((head)->sqh_first = (elm)->field.sqe_next) == NULL)        \
+               (head)->sqh_last = &(head)->sqh_first;                  \
 } while (0)
 
 /*
@@ -312,114 +312,114 @@ struct {                                                                \
  */
 #define TAILQ_HEAD(name, type)                                          \
 struct name {                                                           \
-        struct type *tqh_first; /* first element */                     \
-        struct type **tqh_last; /* addr of last next element */         \
+       struct type *tqh_first; /* first element */                     \
+       struct type **tqh_last; /* addr of last next element */         \
 }
 
 #define TAILQ_HEAD_INITIALIZER(head)                                    \
-        { NULL, &(head).tqh_first }
+       { NULL, &(head).tqh_first }
 
 #define TAILQ_ENTRY(type)                                               \
 struct {                                                                \
-        struct type *tqe_next;  /* next element */                      \
-        struct type **tqe_prev; /* address of previous next element */  \
+       struct type *tqe_next;  /* next element */                      \
+       struct type **tqe_prev; /* address of previous next element */  \
 }
 
-/* 
- * tail queue access methods 
+/*
+ * tail queue access methods
  */
 #define TAILQ_FIRST(head)               ((head)->tqh_first)
 #define TAILQ_END(head)                 NULL
 #define TAILQ_NEXT(elm, field)          ((elm)->field.tqe_next)
 #define TAILQ_LAST(head, headname)                                      \
-        (*(((struct headname *)((head)->tqh_last))->tqh_last))
+       (*(((struct headname *)((head)->tqh_last))->tqh_last))
 /* XXX */
 #define TAILQ_PREV(elm, headname, field)                                \
-        (*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
+       (*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
 #define TAILQ_EMPTY(head)                                               \
-        (TAILQ_FIRST(head) == TAILQ_END(head))
+       (TAILQ_FIRST(head) == TAILQ_END(head))
 
 #define TAILQ_FOREACH(var, head, field)                                 \
-        for((var) = TAILQ_FIRST(head);                                  \
-            (var) != TAILQ_END(head);                                   \
-            (var) = TAILQ_NEXT(var, field))
+       for((var) = TAILQ_FIRST(head);                                  \
+           (var) != TAILQ_END(head);                                   \
+           (var) = TAILQ_NEXT(var, field))
 
 #define TAILQ_FOREACH_SAFE(var, head, field, tvar)                      \
-        for((var) = TAILQ_FIRST(head);                                  \
-            (var) != TAILQ_END(head) &&                                 \
-            ((tvar) = TAILQ_NEXT(var, field), 1);                       \
-            (var) = (tvar))
+       for((var) = TAILQ_FIRST(head);                                  \
+           (var) != TAILQ_END(head) &&                                 \
+           ((tvar) = TAILQ_NEXT(var, field), 1);                       \
+           (var) = (tvar))
 
 #define TAILQ_FOREACH_REVERSE(var, head, field, headname)               \
-        for((var) = TAILQ_LAST(head, headname);                         \
-            (var) != TAILQ_END(head);                                   \
-            (var) = TAILQ_PREV(var, headname, field))
+       for((var) = TAILQ_LAST(head, headname);                         \
+           (var) != TAILQ_END(head);                                   \
+           (var) = TAILQ_PREV(var, headname, field))
 
 #define TAILQ_FOREACH_REVERSE_SAFE(var, head, field, headname, tvar)    \
-        for((var) = TAILQ_LAST(head, headname);                         \
-            (var) != TAILQ_END(head) &&                                 \
-            ((tvar) = TAILQ_PREV(var, headname, field), 1);             \
-            (var) = (tvar))
+       for((var) = TAILQ_LAST(head, headname);                         \
+           (var) != TAILQ_END(head) &&                                 \
+           ((tvar) = TAILQ_PREV(var, headname, field), 1);             \
+           (var) = (tvar))
 
 /*
  * Tail queue functions.
  */
 #define TAILQ_INIT(head) do {                                           \
-        (head)->tqh_first = NULL;                                       \
-        (head)->tqh_last = &(head)->tqh_first;                          \
+       (head)->tqh_first = NULL;                                       \
+       (head)->tqh_last = &(head)->tqh_first;                          \
 } while (0)
 
 #define TAILQ_INSERT_HEAD(head, elm, field) do {                        \
-        if (((elm)->field.tqe_next = (head)->tqh_first) != NULL)        \
-                (head)->tqh_first->field.tqe_prev =                     \
-                    &(elm)->field.tqe_next;                             \
-        else                                                            \
-                (head)->tqh_last = &(elm)->field.tqe_next;              \
-        (head)->tqh_first = (elm);                                      \
-        (elm)->field.tqe_prev = &(head)->tqh_first;                     \
+       if (((elm)->field.tqe_next = (head)->tqh_first) != NULL)        \
+               (head)->tqh_first->field.tqe_prev =                     \
+                   &(elm)->field.tqe_next;                             \
+       else                                                            \
+               (head)->tqh_last = &(elm)->field.tqe_next;              \
+       (head)->tqh_first = (elm);                                      \
+       (elm)->field.tqe_prev = &(head)->tqh_first;                     \
 } while (0)
 
 #define TAILQ_INSERT_TAIL(head, elm, field) do {                        \
-        (elm)->field.tqe_next = NULL;                                   \
-        (elm)->field.tqe_prev = (head)->tqh_last;                       \
-        *(head)->tqh_last = (elm);                                      \
-        (head)->tqh_last = &(elm)->field.tqe_next;                      \
+       (elm)->field.tqe_next = NULL;                                   \
+       (elm)->field.tqe_prev = (head)->tqh_last;                       \
+       *(head)->tqh_last = (elm);                                      \
+       (head)->tqh_last = &(elm)->field.tqe_next;                      \
 } while (0)
 
 #define TAILQ_INSERT_AFTER(head, listelm, elm, field) do {              \
-        if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\
-                (elm)->field.tqe_next->field.tqe_prev =                 \
-                    &(elm)->field.tqe_next;                             \
-        else                                                            \
-                (head)->tqh_last = &(elm)->field.tqe_next;              \
-        (listelm)->field.tqe_next = (elm);                              \
-        (elm)->field.tqe_prev = &(listelm)->field.tqe_next;             \
+       if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\
+               (elm)->field.tqe_next->field.tqe_prev =                 \
+                   &(elm)->field.tqe_next;                             \
+       else                                                            \
+               (head)->tqh_last = &(elm)->field.tqe_next;              \
+       (listelm)->field.tqe_next = (elm);                              \
+       (elm)->field.tqe_prev = &(listelm)->field.tqe_next;             \
 } while (0)
 
 #define TAILQ_INSERT_BEFORE(listelm, elm, field) do {                   \
-        (elm)->field.tqe_prev = (listelm)->field.tqe_prev;              \
-        (elm)->field.tqe_next = (listelm);                              \
-        *(listelm)->field.tqe_prev = (elm);                             \
-        (listelm)->field.tqe_prev = &(elm)->field.tqe_next;             \
+       (elm)->field.tqe_prev = (listelm)->field.tqe_prev;              \
+       (elm)->field.tqe_next = (listelm);                              \
+       *(listelm)->field.tqe_prev = (elm);                             \
+       (listelm)->field.tqe_prev = &(elm)->field.tqe_next;             \
 } while (0)
 
 #define TAILQ_REMOVE(head, elm, field) do {                             \
-        if (((elm)->field.tqe_next) != NULL)                            \
-                (elm)->field.tqe_next->field.tqe_prev =                 \
-                    (elm)->field.tqe_prev;                              \
-        else                                                            \
-                (head)->tqh_last = (elm)->field.tqe_prev;               \
-        *(elm)->field.tqe_prev = (elm)->field.tqe_next;                 \
+       if (((elm)->field.tqe_next) != NULL)                            \
+               (elm)->field.tqe_next->field.tqe_prev =                 \
+                   (elm)->field.tqe_prev;                              \
+       else                                                            \
+               (head)->tqh_last = (elm)->field.tqe_prev;               \
+       *(elm)->field.tqe_prev = (elm)->field.tqe_next;                 \
 } while (0)
 
 #define TAILQ_REPLACE(head, elm, elm2, field) do {                      \
-        if (((elm2)->field.tqe_next = (elm)->field.tqe_next) != NULL)   \
-                (elm2)->field.tqe_next->field.tqe_prev =                \
-                    &(elm2)->field.tqe_next;                            \
-        else                                                            \
-                (head)->tqh_last = &(elm2)->field.tqe_next;             \
-        (elm2)->field.tqe_prev = (elm)->field.tqe_prev;                 \
-        *(elm2)->field.tqe_prev = (elm2);                               \
+       if (((elm2)->field.tqe_next = (elm)->field.tqe_next) != NULL)   \
+               (elm2)->field.tqe_next->field.tqe_prev =                \
+                   &(elm2)->field.tqe_next;                            \
+       else                                                            \
+               (head)->tqh_last = &(elm2)->field.tqe_next;             \
+       (elm2)->field.tqe_prev = (elm)->field.tqe_prev;                 \
+       *(elm2)->field.tqe_prev = (elm2);                               \
 } while (0)
 
 /*
@@ -427,21 +427,21 @@ struct {                                                                \
  */
 #define CIRCLEQ_HEAD(name, type)                                        \
 struct name {                                                           \
-        struct type *cqh_first;         /* first element */             \
-        struct type *cqh_last;          /* last element */              \
+       struct type *cqh_first;         /* first element */             \
+       struct type *cqh_last;          /* last element */              \
 }
 
 #define CIRCLEQ_HEAD_INITIALIZER(head)                                  \
-        { CIRCLEQ_END(&head), CIRCLEQ_END(&head) }
+       { CIRCLEQ_END(&head), CIRCLEQ_END(&head) }
 
 #define CIRCLEQ_ENTRY(type)                                             \
 struct {                                                                \
-        struct type *cqe_next;          /* next element */              \
-        struct type *cqe_prev;          /* previous element */          \
+       struct type *cqe_next;          /* next element */              \
+       struct type *cqe_prev;          /* previous element */          \
 }
 
 /*
- * Circular queue access methods 
+ * Circular queue access methods
  */
 #define CIRCLEQ_FIRST(head)             ((head)->cqh_first)
 #define CIRCLEQ_LAST(head)              ((head)->cqh_last)
@@ -449,102 +449,102 @@ struct {                                                                \
 #define CIRCLEQ_NEXT(elm, field)        ((elm)->field.cqe_next)
 #define CIRCLEQ_PREV(elm, field)        ((elm)->field.cqe_prev)
 #define CIRCLEQ_EMPTY(head)                                             \
-        (CIRCLEQ_FIRST(head) == CIRCLEQ_END(head))
+       (CIRCLEQ_FIRST(head) == CIRCLEQ_END(head))
 
 #define CIRCLEQ_FOREACH(var, head, field)                               \
-        for((var) = CIRCLEQ_FIRST(head);                                \
-            (var) != CIRCLEQ_END(head);                                 \
-            (var) = CIRCLEQ_NEXT(var, field))
+       for((var) = CIRCLEQ_FIRST(head);                                \
+           (var) != CIRCLEQ_END(head);                                 \
+           (var) = CIRCLEQ_NEXT(var, field))
 
 #define CIRCLEQ_FOREACH_SAFE(var, head, field, tvar)                    \
-        for((var) = CIRCLEQ_FIRST(head);                                \
-            (var) != CIRCLEQ_END(head) &&                               \
-            ((tvar) = CIRCLEQ_NEXT(var, field), 1);                     \
-            (var) = (tvar))
+       for((var) = CIRCLEQ_FIRST(head);                                \
+           (var) != CIRCLEQ_END(head) &&                               \
+           ((tvar) = CIRCLEQ_NEXT(var, field), 1);                     \
+           (var) = (tvar))
 
 #define CIRCLEQ_FOREACH_REVERSE(var, head, field)                       \
-        for((var) = CIRCLEQ_LAST(head);                                 \
-            (var) != CIRCLEQ_END(head);                                 \
-            (var) = CIRCLEQ_PREV(var, field))
+       for((var) = CIRCLEQ_LAST(head);                                 \
+           (var) != CIRCLEQ_END(head);                                 \
+           (var) = CIRCLEQ_PREV(var, field))
 
 #define CIRCLEQ_FOREACH_REVERSE_SAFE(var, head, field, tvar)            \
-        for((var) = CIRCLEQ_LAST(head);                                 \
-            (var) != CIRCLEQ_END(head) &&                               \
-            ((tvar) = CIRCLEQ_PREV(var, field), 1);                     \
-            (var) = (tvar))
+       for((var) = CIRCLEQ_LAST(head);                                 \
+           (var) != CIRCLEQ_END(head) &&                               \
+           ((tvar) = CIRCLEQ_PREV(var, field), 1);                     \
+           (var) = (tvar))
 
 /*
  * Circular queue functions.
  */
 #define CIRCLEQ_INIT(head) do {                                         \
-        (head)->cqh_first = CIRCLEQ_END(head);                          \
-        (head)->cqh_last = CIRCLEQ_END(head);                           \
+       (head)->cqh_first = CIRCLEQ_END(head);                          \
+       (head)->cqh_last = CIRCLEQ_END(head);                           \
 } while (0)
 
 #define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do {            \
-        (elm)->field.cqe_next = (listelm)->field.cqe_next;              \
-        (elm)->field.cqe_prev = (listelm);                              \
-        if ((listelm)->field.cqe_next == CIRCLEQ_END(head))             \
-                (head)->cqh_last = (elm);                               \
-        else                                                            \
-                (listelm)->field.cqe_next->field.cqe_prev = (elm);      \
-        (listelm)->field.cqe_next = (elm);                              \
+       (elm)->field.cqe_next = (listelm)->field.cqe_next;              \
+       (elm)->field.cqe_prev = (listelm);                              \
+       if ((listelm)->field.cqe_next == CIRCLEQ_END(head))             \
+               (head)->cqh_last = (elm);                               \
+       else                                                            \
+               (listelm)->field.cqe_next->field.cqe_prev = (elm);      \
+       (listelm)->field.cqe_next = (elm);                              \
 } while (0)
 
 #define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do {           \
-        (elm)->field.cqe_next = (listelm);                              \
-        (elm)->field.cqe_prev = (listelm)->field.cqe_prev;              \
-        if ((listelm)->field.cqe_prev == CIRCLEQ_END(head))             \
-                (head)->cqh_first = (elm);                              \
-        else                                                            \
-                (listelm)->field.cqe_prev->field.cqe_next = (elm);      \
-        (listelm)->field.cqe_prev = (elm);                              \
+       (elm)->field.cqe_next = (listelm);                              \
+       (elm)->field.cqe_prev = (listelm)->field.cqe_prev;              \
+       if ((listelm)->field.cqe_prev == CIRCLEQ_END(head))             \
+               (head)->cqh_first = (elm);                              \
+       else                                                            \
+               (listelm)->field.cqe_prev->field.cqe_next = (elm);      \
+       (listelm)->field.cqe_prev = (elm);                              \
 } while (0)
 
 #define CIRCLEQ_INSERT_HEAD(head, elm, field) do {                      \
-        (elm)->field.cqe_next = (head)->cqh_first;                      \
-        (elm)->field.cqe_prev = CIRCLEQ_END(head);                      \
-        if ((head)->cqh_last == CIRCLEQ_END(head))                      \
-                (head)->cqh_last = (elm);                               \
-        else                                                            \
-                (head)->cqh_first->field.cqe_prev = (elm);              \
-        (head)->cqh_first = (elm);                                      \
+       (elm)->field.cqe_next = (head)->cqh_first;                      \
+       (elm)->field.cqe_prev = CIRCLEQ_END(head);                      \
+       if ((head)->cqh_last == CIRCLEQ_END(head))                      \
+               (head)->cqh_last = (elm);                               \
+       else                                                            \
+               (head)->cqh_first->field.cqe_prev = (elm);              \
+       (head)->cqh_first = (elm);                                      \
 } while (0)
 
 #define CIRCLEQ_INSERT_TAIL(head, elm, field) do {                      \
-        (elm)->field.cqe_next = CIRCLEQ_END(head);                      \
-        (elm)->field.cqe_prev = (head)->cqh_last;                       \
-        if ((head)->cqh_first == CIRCLEQ_END(head))                     \
-                (head)->cqh_first = (elm);                              \
-        else                                                            \
-                (head)->cqh_last->field.cqe_next = (elm);               \
-        (head)->cqh_last = (elm);                                       \
+       (elm)->field.cqe_next = CIRCLEQ_END(head);                      \
+       (elm)->field.cqe_prev = (head)->cqh_last;                       \
+       if ((head)->cqh_first == CIRCLEQ_END(head))                     \
+               (head)->cqh_first = (elm);                              \
+       else                                                            \
+               (head)->cqh_last->field.cqe_next = (elm);               \
+       (head)->cqh_last = (elm);                                       \
 } while (0)
 
 #define CIRCLEQ_REMOVE(head, elm, field) do {                           \
-        if ((elm)->field.cqe_next == CIRCLEQ_END(head))                 \
-                (head)->cqh_last = (elm)->field.cqe_prev;               \
-        else                                                            \
-                (elm)->field.cqe_next->field.cqe_prev =                 \
-                    (elm)->field.cqe_prev;                              \
-        if ((elm)->field.cqe_prev == CIRCLEQ_END(head))                 \
-                (head)->cqh_first = (elm)->field.cqe_next;              \
-        else                                                            \
-                (elm)->field.cqe_prev->field.cqe_next =                 \
-                    (elm)->field.cqe_next;                              \
+       if ((elm)->field.cqe_next == CIRCLEQ_END(head))                 \
+               (head)->cqh_last = (elm)->field.cqe_prev;               \
+       else                                                            \
+               (elm)->field.cqe_next->field.cqe_prev =                 \
+                   (elm)->field.cqe_prev;                              \
+       if ((elm)->field.cqe_prev == CIRCLEQ_END(head))                 \
+               (head)->cqh_first = (elm)->field.cqe_next;              \
+       else                                                            \
+               (elm)->field.cqe_prev->field.cqe_next =                 \
+                   (elm)->field.cqe_next;                              \
 } while (0)
 
 #define CIRCLEQ_REPLACE(head, elm, elm2, field) do {                    \
-        if (((elm2)->field.cqe_next = (elm)->field.cqe_next) ==         \
-            CIRCLEQ_END(head))                                          \
-                (head).cqh_last = (elm2);                               \
-        else                                                            \
-                (elm2)->field.cqe_next->field.cqe_prev = (elm2);        \
-        if (((elm2)->field.cqe_prev = (elm)->field.cqe_prev) ==         \
-            CIRCLEQ_END(head))                                          \
-                (head).cqh_first = (elm2);                              \
-        else                                                            \
-                (elm2)->field.cqe_prev->field.cqe_next = (elm2);        \
+       if (((elm2)->field.cqe_next = (elm)->field.cqe_next) ==         \
+           CIRCLEQ_END(head))                                          \
+               (head).cqh_last = (elm2);                               \
+       else                                                            \
+               (elm2)->field.cqe_next->field.cqe_prev = (elm2);        \
+       if (((elm2)->field.cqe_prev = (elm)->field.cqe_prev) ==         \
+           CIRCLEQ_END(head))                                          \
+               (head).cqh_first = (elm2);                              \
+       else                                                            \
+               (elm2)->field.cqe_prev->field.cqe_next = (elm2);        \
 } while (0)
 
 #endif  /* !_LOCAL_SYS_QUEUE_H_ */