forked from github/server
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
#ifndef KRNL_ORDER_H
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#define KRNL_ORDER_H
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#include <util/keyword.h>
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#include <stddef.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct locale;
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struct stream;
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/* Encapsulation of an order
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*
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* This structure contains one order given by a unit. These used to be
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* stored in string lists, but by storing them in order-structures,
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* it is possible to use reference-counting on them, reduce string copies,
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* and reduce overall memory usage by sharing strings between orders (not
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* implemented yet) saving approx. 50% of all string-related memory.
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*/
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#define CMD_QUIET 0x010000
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#define CMD_PERSIST 0x020000
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#define CMD_DEFAULT 0x040000
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typedef struct order_data {
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const char *_str;
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int _refcount;
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} order_data;
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extern order_data *odata_load(int id);
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extern int odata_save(order_data *od);
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void odata_create(order_data **pdata, size_t len, const char *str);
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void odata_release(order_data * od);
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void odata_addref(order_data *od);
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typedef struct order {
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struct order *next;
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/* do not access this data: */
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int id;
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int command;
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} order;
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/* constructor */
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order *create_order(keyword_t kwd, const struct locale *lang,
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const char *params, ...);
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order *parse_order(const char *s, const struct locale *lang);
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void replace_order(order ** dst, order * orig, const order * src);
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/* reference counted copies of orders: */
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order *copy_order(const order * ord);
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void free_order(order * ord);
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void free_orders(order ** olist);
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void push_order(struct order **olist, struct order *ord);
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/* access functions for orders */
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keyword_t getkeyword(const order * ord);
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void set_order(order ** destp, order * src);
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char* get_command(const order *ord, const struct locale *lang,
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char *buffer, size_t size);
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bool is_persistent(const order * ord);
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bool is_silent(const order * ord);
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bool is_exclusive(const order * ord);
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bool is_repeated(keyword_t kwd);
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bool is_long(keyword_t kwd);
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const char *crescape(const char *str, char *buffer, size_t size);
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char *write_order(const order * ord, const struct locale *lang,
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char *buffer, size_t size);
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int stream_order(struct stream *out, const struct order *ord, const struct locale *lang, bool escape);
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keyword_t init_order_depr(const struct order *ord);
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keyword_t init_order(const struct order *ord, const struct locale *lang);
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void close_orders(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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