diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2016-07-01 11:18:00 +0100 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2016-07-01 11:18:01 +0100 |
commit | 1fb4c13e4f92bda047f30177d5b8c2b4ca42e8b8 (patch) | |
tree | 1a364b8593876135e3490a850d687569b79aa772 /include | |
parent | ddf31aa853a32925f8141dbcb66fdc84f999ece1 (diff) | |
parent | db486cc334aafd3dbdaf107388e37fc3d6d3e171 (diff) |
Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2016-06-30' into staging
QAPI patches 2016-06-30
# gpg: Signature made Thu 30 Jun 2016 14:29:43 BST
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-qapi-2016-06-30:
qapi: Fix memleak in string visitors on int lists
qapi: Simplify use of range.h
range: Create range.c for code that should not be inline
qapi: Fix crash on missing alternate member of QAPI struct
checkpatch: There is no qemu_strtod()
qobject: Correct JSON lexer grammar comments
json-streamer: Don't leak tokens on incomplete parse
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/qemu/range.h | 91 |
1 files changed, 21 insertions, 70 deletions
diff --git a/include/qemu/range.h b/include/qemu/range.h index c903eb574a..3970f00089 100644 --- a/include/qemu/range.h +++ b/include/qemu/range.h @@ -1,3 +1,23 @@ +/* + * QEMU 64-bit address ranges + * + * Copyright (c) 2015-2016 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + */ + #ifndef QEMU_RANGE_H #define QEMU_RANGE_H @@ -59,75 +79,6 @@ static inline int ranges_overlap(uint64_t first1, uint64_t len1, return !(last2 < first1 || last1 < first2); } -/* 0,1 can merge with 1,2 but don't overlap */ -static inline bool ranges_can_merge(Range *range1, Range *range2) -{ - return !(range1->end < range2->begin || range2->end < range1->begin); -} - -static inline int range_merge(Range *range1, Range *range2) -{ - if (ranges_can_merge(range1, range2)) { - if (range1->end < range2->end) { - range1->end = range2->end; - } - if (range1->begin > range2->begin) { - range1->begin = range2->begin; - } - return 0; - } - - return -1; -} - -static inline GList *g_list_insert_sorted_merged(GList *list, - gpointer data, - GCompareFunc func) -{ - GList *l, *next = NULL; - Range *r, *nextr; - - if (!list) { - list = g_list_insert_sorted(list, data, func); - return list; - } - - nextr = data; - l = list; - while (l && l != next && nextr) { - r = l->data; - if (ranges_can_merge(r, nextr)) { - range_merge(r, nextr); - l = g_list_remove_link(l, next); - next = g_list_next(l); - if (next) { - nextr = next->data; - } else { - nextr = NULL; - } - } else { - l = g_list_next(l); - } - } - - if (!l) { - list = g_list_insert_sorted(list, data, func); - } - - return list; -} - -static inline gint range_compare(gconstpointer a, gconstpointer b) -{ - Range *ra = (Range *)a, *rb = (Range *)b; - if (ra->begin == rb->begin && ra->end == rb->end) { - return 0; - } else if (range_get_last(ra->begin, ra->end) < - range_get_last(rb->begin, rb->end)) { - return -1; - } else { - return 1; - } -} +GList *range_list_insert(GList *list, Range *data); #endif |