Mercurial > dovecot > core-2.2
view src/lib-storage/mailbox-header.c @ 21390:2e2563132d5f
Updated copyright notices to include the year 2017.
author | Stephan Bosch <stephan.bosch@dovecot.fi> |
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date | Wed, 11 Jan 2017 02:51:13 +0100 |
parents | 0f22db71df7a |
children | cb108f786fb4 |
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/* Copyright (c) 2003-2017 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "mail-cache.h" #include "mail-storage-private.h" static struct mailbox_header_lookup_ctx * mailbox_header_lookup_init_real(struct mailbox *box, const char *const headers[]) { struct mail_cache_field *fields, header_field = { .type = MAIL_CACHE_FIELD_HEADER, .decision = MAIL_CACHE_DECISION_TEMP }; struct mailbox_header_lookup_ctx *ctx; const char *const *name; const char **sorted_headers, **dest_name; pool_t pool; unsigned int i, count; i_assert(*headers != NULL); for (count = 0, name = headers; *name != NULL; name++) count++; /* @UNSAFE: headers need to be sorted for filter stream. */ sorted_headers = t_new(const char *, count); memcpy(sorted_headers, headers, count * sizeof(*sorted_headers)); i_qsort(sorted_headers, count, sizeof(*sorted_headers), i_strcasecmp_p); headers = sorted_headers; /* @UNSAFE */ fields = t_new(struct mail_cache_field, count); for (i = 0; i < count; i++) { header_field.name = t_strconcat("hdr.", headers[i], NULL); fields[i] = header_field; } mail_cache_register_fields(box->cache, fields, count); pool = pool_alloconly_create("mailbox_header_lookup_ctx", 1024); ctx = p_new(pool, struct mailbox_header_lookup_ctx, 1); ctx->box = box; ctx->refcount = 1; ctx->pool = pool; ctx->count = count; ctx->idx = p_new(pool, unsigned int, count); /* @UNSAFE */ dest_name = p_new(pool, const char *, count + 1); for (i = 0; i < count; i++) { ctx->idx[i] = fields[i].idx; dest_name[i] = p_strdup(pool, headers[i]); } ctx->name = dest_name; return ctx; } struct mailbox_header_lookup_ctx * mailbox_header_lookup_init(struct mailbox *box, const char *const headers[]) { struct mailbox_header_lookup_ctx *ctx; T_BEGIN { ctx = mailbox_header_lookup_init_real(box, headers); } T_END; return ctx; } void mailbox_header_lookup_ref(struct mailbox_header_lookup_ctx *ctx) { i_assert(ctx->refcount > 0); ctx->refcount++; } void mailbox_header_lookup_unref(struct mailbox_header_lookup_ctx **_ctx) { struct mailbox_header_lookup_ctx *ctx = *_ctx; *_ctx = NULL; i_assert(ctx->refcount > 0); if (--ctx->refcount > 0) return; pool_unref(&ctx->pool); }