assert

--HG--
branch : HEAD

diff --git a/src/lib-index/mail-cache.c b/src/lib-index/mail-cache.c
index e49742fa97ae605ce542a50ca213276bf18a0b1f..4ed4b447f8d46022569029ad24f841af9f45bc88 100644 (file)
--- a/src/lib-index/mail-cache.c
+++ b/src/lib-index/mail-cache.c
@@ -1365,6 +1365,7 @@ int mail_cache_set_header_fields(struct mail_cache_transaction_ctx *ctx,
        uint32_t offset, update_offset, size;
        const char *header_str;
 
+       i_assert(*headers != NULL);
        i_assert(idx < MAIL_CACHE_HEADERS_COUNT);
        i_assert(idx >= ctx->next_unused_header_lowwater);
        i_assert(offset_to_uint32(cache->header->header_offsets[idx]) == 0);