Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/lib/seq-range-array.h @ 9451:9fff30644260 HEAD

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istream-concat: Fixed a lot of bugs.
author Timo Sirainen <tss@iki.fi>
date Mon, 26 Oct 2009 17:06:57 -0400
parents 81806d402514
children
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e4eb71ae8e96 Changed .h ifdef/defines to use <NAME>_H format.
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1 #ifndef SEQ_RANGE_ARRAY_H
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2 #define SEQ_RANGE_ARRAY_H
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3
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4 struct seq_range {
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5 uint32_t seq1, seq2;
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6 };
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7 ARRAY_DEFINE_TYPE(seq_range, struct seq_range);
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8
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9 struct seq_range_iter {
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10 const ARRAY_TYPE(seq_range) *array;
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11 unsigned int prev_n, prev_idx;
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12 };
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13
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14 /* Add sequrence to range. If the array isn't created yet, create it with
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15 initial size of init_count. */
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16 void seq_range_array_add(ARRAY_TYPE(seq_range) *array, unsigned int init_count,
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17 uint32_t seq);
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18 void seq_range_array_add_range(ARRAY_TYPE(seq_range) *array,
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19 uint32_t seq1, uint32_t seq2);
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f0dc2a3dee54 Added seq_range_array_merge()
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20 void seq_range_array_merge(ARRAY_TYPE(seq_range) *dest,
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21 const ARRAY_TYPE(seq_range) *src);
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22 /* Remove given sequrence from range. Returns TRUE if it was found. */
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d911d943438e Recent flag handling rewrite. Still not perfect with maildir.
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23 bool seq_range_array_remove(ARRAY_TYPE(seq_range) *array, uint32_t seq);
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24 /* Remove a sequence range. Returns number of sequences actually removed. */
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25 unsigned int seq_range_array_remove_range(ARRAY_TYPE(seq_range) *array,
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26 uint32_t seq1, uint32_t seq2);
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27 unsigned int seq_range_array_remove_seq_range(ARRAY_TYPE(seq_range) *dest,
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28 const ARRAY_TYPE(seq_range) *src);
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29 /* Remove sequences from dest that don't exist in src.
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30 Returns the number of sequences actually removed. */
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31 unsigned int
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32 seq_range_array_intersect(ARRAY_TYPE(seq_range) *dest,
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33 const ARRAY_TYPE(seq_range) *src);
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34 /* Returns TRUE if sequence exists in the range. */
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35 bool seq_range_exists(const ARRAY_TYPE(seq_range) *array,
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36 uint32_t seq) ATTR_PURE;
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37 /* Returns TRUE if arrays have common sequences. */
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38 bool seq_range_array_have_common(const ARRAY_TYPE(seq_range) *array1,
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39 const ARRAY_TYPE(seq_range) *array2) ATTR_PURE;
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bba1bb98d162 Added seq_range_count().
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40 /* Return number of sequences in the range. */
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41 unsigned int seq_range_count(const ARRAY_TYPE(seq_range) *array) ATTR_PURE;
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42
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43 /* Invert the sequence range. For example 5:6 -> min_seq:4,7:max_seq. */
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44 void seq_range_array_invert(ARRAY_TYPE(seq_range) *array,
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45 uint32_t min_seq, uint32_t max_seq);
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46
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47 void seq_range_array_iter_init(struct seq_range_iter *iter_r,
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48 const ARRAY_TYPE(seq_range) *array);
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49 /* Get the nth sequence (0 = first). Returns FALSE if idx is too large. */
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50 bool seq_range_array_iter_nth(struct seq_range_iter *iter, unsigned int n,
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51 uint32_t *seq_r);
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52
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53 #endif