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https://github.com/zephyrproject-rtos/zephyr
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6bed8fc241
Change arg_len to be u16_t in shell_history_get since it is returning a value that can be hold by u16_t. Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/*
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* Copyright (c) 2018 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef SHELL_HISTORY_H__
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#define SHELL_HISTORY_H__
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#include <zephyr.h>
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#include <misc/util.h>
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#include <misc/dlist.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 shell_history {
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struct k_mem_slab *mem_slab;
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sys_dlist_t list;
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sys_dnode_t *current;
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};
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#if CONFIG_SHELL_HISTORY
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#define SHELL_HISTORY_DEFINE(_name, block_size, block_count) \
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\
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K_MEM_SLAB_DEFINE(_name##_history_memslab, \
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block_size, block_count, 4); \
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static struct shell_history _name##_history = { \
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.mem_slab = &_name##_history_memslab \
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}
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#define SHELL_HISTORY_PTR(_name) (&_name##_history)
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#else /* CONFIG_SHELL_HISTORY */
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#define SHELL_HISTORY_DEFINE(_name, block_size, block_count) /*empty*/
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#define SHELL_HISTORY_PTR(_name) NULL
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#endif
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void shell_history_init(struct shell_history *history);
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void shell_history_purge(struct shell_history *history);
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void shell_history_mode_exit(struct shell_history *history);
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/* returns true if remains in history mode.*/
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bool shell_history_get(struct shell_history *history, bool up,
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u8_t *dst, u16_t *len);
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void shell_history_put(struct shell_history *history, u8_t *line, size_t len);
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static inline bool shell_history_active(struct shell_history *history)
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{
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return (history->current) ? true : false;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* SHELL_HISTORY_H__ */
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