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Add schematics with ranges to help reviews.

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* lib/subordinateio.c: Add schematics with ranges to help reviews.
This commit is contained in:
Nicolas François 2013-08-13 23:57:14 +02:00
parent b84b918464
commit cd1bd8bf4c
2 changed files with 9 additions and 0 deletions
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ChangeLog
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@ -1,6 +1,7 @@
2013-08-13 Nicolas François <nicolas.francois@centraliens.net>
* lib/subordinateio.c: Avoid dead branches.
* lib/subordinateio.c: Add schematics with ranges to help reviews.
2013-08-13 Nicolas François <nicolas.francois@centraliens.net>

8
lib/subordinateio.c
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@ -311,10 +311,14 @@ static int remove_range(struct commonio_db *db,
if (start <= first) {
if (end >= last) {
/* to be removed: [start, end]
* range: [first, last] */
/* entry completely contained in the
* range to remove */
commonio_del_entry (db, ent);
} else {
/* to be removed: [start, end]
* range: [first, last] */
/* Remove only the start of the entry */
range->start = end + 1;
range->count = (last - range->start) + 1;
@ -324,12 +328,16 @@ static int remove_range(struct commonio_db *db,
}
} else {
if (end >= last) {
/* to be removed: [start, end]
* range: [first, last] */
/* Remove only the end of the entry */
range->count = start - range->start;
ent->changed = true;
db->changed = true;
} else {
/* to be removed: [start, end]
* range: [first, last] */
/* Remove the middle of the range
* This requires to create a new range */
struct subordinate_range tail;