third_party/npapi/npspy/extern/nspr/prclist.h - Issue 665543002: Remove third_party/npapi/npspy.

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Issue 665543002: Remove third_party/npapi/npspy. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 6 years, 2 months ago

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1 /* -- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -- */

2 /*

3 * The contents of this file are subject to the Mozilla Public

4 * License Version 1.1 (the "License"); you may not use this file

5 * except in compliance with the License. You may obtain a copy of

6 * the License at http://www.mozilla.org/MPL/

7 *

8 * Software distributed under the License is distributed on an "AS

9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or

10 * implied. See the License for the specific language governing

11 * rights and limitations under the License.

12 *

13 * The Original Code is the Netscape Portable Runtime (NSPR).

14 *

15 * The Initial Developer of the Original Code is Netscape

16 * Communications Corporation. Portions created by Netscape are

17 * Copyright (C) 1998-2000 Netscape Communications Corporation. All

18 * Rights Reserved.

19 *

20 * Contributor(s):

21 *

22 * Alternatively, the contents of this file may be used under the

23 * terms of the GNU General Public License Version 2 or later (the

24 * "GPL"), in which case the provisions of the GPL are applicable

25 * instead of those above. If you wish to allow use of your

26 * version of this file only under the terms of the GPL and not to

27 * allow others to use your version of this file under the MPL,

28 * indicate your decision by deleting the provisions above and

29 * replace them with the notice and other provisions required by

30 * the GPL. If you do not delete the provisions above, a recipient

31 * may use your version of this file under either the MPL or the

32 * GPL.

33 */

34

35 #ifndef prclist_h___

36 #define prclist_h___

37

38 #include "prtypes.h"

39

40 typedef struct PRCListStr PRCList;

41

42 /*

43 ** Circular linked list

44 */

45 struct PRCListStr {

46 PRCList *next;

47 PRCList *prev;

48 };

49

50 /*

51 ** Insert element "_e" into the list, before "_l".

52 */

53 #define PR_INSERT_BEFORE(_e,_l) \

54 PR_BEGIN_MACRO \

55 (_e)->next = (_l); \

56 (_e)->prev = (_l)->prev; \

57 (_l)->prev->next = (_e); \

58 (_l)->prev = (_e); \

59 PR_END_MACRO

60

61 /*

62 ** Insert element "_e" into the list, after "_l".

63 */

64 #define PR_INSERT_AFTER(_e,_l) \

65 PR_BEGIN_MACRO \

66 (_e)->next = (_l)->next; \

67 (_e)->prev = (_l); \

68 (_l)->next->prev = (_e); \

69 (_l)->next = (_e); \

70 PR_END_MACRO

71

72 /*

73 ** Return the element following element "_e"

74 */

75 #define PR_NEXT_LINK(_e) \

76 ((_e)->next)

77 /*

78 ** Return the element preceding element "_e"

79 */

80 #define PR_PREV_LINK(_e) \

81 ((_e)->prev)

82

83 /*

84 ** Append an element "_e" to the end of the list "_l"

85 */

86 #define PR_APPEND_LINK(_e,_l) PR_INSERT_BEFORE(_e,_l)

87

88 /*

89 ** Insert an element "_e" at the head of the list "_l"

90 */

91 #define PR_INSERT_LINK(_e,_l) PR_INSERT_AFTER(_e,_l)

92

93 /* Return the head/tail of the list */

94 #define PR_LIST_HEAD(_l) (_l)->next

95 #define PR_LIST_TAIL(_l) (_l)->prev

96

97 /*

98 ** Remove the element "_e" from it's circular list.

99 */

100 #define PR_REMOVE_LINK(_e) \

101 PR_BEGIN_MACRO \

102 (_e)->prev->next = (_e)->next; \

103 (_e)->next->prev = (_e)->prev; \

104 PR_END_MACRO

105

106 /*

107 ** Remove the element "_e" from it's circular list. Also initializes the

108 ** linkage.

109 */

110 #define PR_REMOVE_AND_INIT_LINK(_e) \

111 PR_BEGIN_MACRO \

112 (_e)->prev->next = (_e)->next; \

113 (_e)->next->prev = (_e)->prev; \

114 (_e)->next = (_e); \

115 (_e)->prev = (_e); \

116 PR_END_MACRO

117

118 /*

119 ** Return non-zero if the given circular list "_l" is empty, zero if the

120 ** circular list is not empty

121 */

122 #define PR_CLIST_IS_EMPTY(_l) \

123 ((_l)->next == (_l))

124

125 /*

126 ** Initialize a circular list

127 */

128 #define PR_INIT_CLIST(_l) \

129 PR_BEGIN_MACRO \

130 (_l)->next = (_l); \

131 (_l)->prev = (_l); \

132 PR_END_MACRO

133

134 #define PR_INIT_STATIC_CLIST(_l) \

135 {(_l), (_l)}

136

137 #endif /* prclist_h___ */

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