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-rw-r--r--src/lib-index/mail-index-util.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/lib-index/mail-index-util.h b/src/lib-index/mail-index-util.h
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+++ b/src/lib-index/mail-index-util.h
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+#ifndef MAIL_INDEX_UTIL_H
+#define MAIL_INDEX_UTIL_H
+
+ARRAY_DEFINE_TYPE(seq_array, uint32_t);
+
+uint32_t mail_index_uint32_to_offset(uint32_t offset);
+uint32_t mail_index_offset_to_uint32(uint32_t offset);
+
+#define MAIL_INDEX_PACK_MAX_SIZE ((sizeof(uint32_t) * 8 + 7) / 7)
+void mail_index_pack_num(uint8_t **p, uint32_t num);
+int mail_index_unpack_num(const uint8_t **p, const uint8_t *end,
+ uint32_t *num_r);
+
+bool mail_index_seq_array_lookup(const ARRAY_TYPE(seq_array) *array,
+ uint32_t seq, unsigned int *idx_r);
+void mail_index_seq_array_alloc(ARRAY_TYPE(seq_array) *array,
+ size_t record_size);
+bool mail_index_seq_array_add(ARRAY_TYPE(seq_array) *array, uint32_t seq,
+ const void *record, size_t record_size,
+ void *old_record) ATTR_NULL(5);
+
+#endif