3c0c1bfa8d
The compiler was generating errors of the form error: "CONFIG_LOG" is not defined, evaluates to 0 [-Werror=undef] when -Wundef is used and the config option was turned off. Change several #if checks to #ifdef. Signed-off-by: Bradley Bolen <bbolen@lexmark.com>
70 lines
1.6 KiB
C
70 lines
1.6 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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struct shell_history_item {
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sys_dnode_t dnode;
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u16_t len;
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char data[];
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};
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#ifdef 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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ROUND_UP(block_size + sizeof(struct shell_history_item), \
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sizeof(void *)), 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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