stack.h File Reference

#include <zrtos/zrtos.h>
#include <zrtos/types.h>
#include <zrtos/mem.h>

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Data Structures
struct	_zrtos_stack_t

Typedefs
typedef struct _zrtos_stack_t	zrtos_stack_t

Functions
bool	zrtos_stack__init (zrtos_stack_t *thiz, void *data, size_t length)
static bool	_zrtos_stack__cpy (zrtos_stack_t *thiz, void *dest, void *src, size_t length, size_t offset_plus_length)
static bool	zrtos_stack__get_offset_ex (zrtos_stack_t *thiz, size_t offset, bool is_relative, bool is_negative, size_t *new_offset)
bool	zrtos_stack__set_offset_ex (zrtos_stack_t *thiz, size_t offset, bool is_relative, bool is_negative)
bool	zrtos_stack__read (zrtos_stack_t *thiz, void *data, size_t length, size_t offset)
bool	zrtos_stack__read_ex (zrtos_stack_t *thiz, void *data, size_t length, size_t offset, bool is_relative, bool is_negative)
bool	zrtos_stack__write (zrtos_stack_t *thiz, void *data, size_t length, size_t offset)
bool	zrtos_stack__write_ex (zrtos_stack_t *thiz, void *data, size_t length, size_t offset, bool is_relative, bool is_negative)
bool	zrtos_stack__push (zrtos_stack_t *thiz, void *data, size_t length)
bool	zrtos_stack__pop (zrtos_stack_t *thiz, void *data, size_t length)
bool	zrtos_stack__shift (zrtos_stack_t *thiz, void *data, size_t length)
bool	zrtos_stack__set_offset (zrtos_stack_t *thiz, size_t offset)
size_t	zrtos_stack__get_offset (zrtos_stack_t *thiz)

Typedef Documentation

zrtos_stack_t

typedef struct _zrtos_stack_t zrtos_stack_t

Function Documentation

_zrtos_stack__cpy()

static bool _zrtos_stack__cpy ( zrtos_stack_t *  thiz, void *  dest, void *  src, size_t  length, size_t  offset_plus_length  )

static

Definition at line 36 of file stack.h.

 {
    if(offset_plus_length <= thiz->length){
        zrtos_mem__cpy(
             dest
            ,src
            ,length
        );
        return true;
    }
    return false;
}

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zrtos_stack__get_offset()

size_t zrtos_stack__get_offset

(

zrtos_stack_t *

thiz

)

Definition at line 254 of file stack.h.

 {
    return thiz->offset;
}

zrtos_stack__get_offset_ex()

static bool zrtos_stack__get_offset_ex ( zrtos_stack_t *  thiz, size_t  offset, bool  is_relative, bool  is_negative, size_t *  new_offset  )

static

Definition at line 54 of file stack.h.

 {
    bool ret = true;
    size_t thiz_offset = thiz->offset;
    if(is_relative){
        if(is_negative
        && thiz_offset >= offset){
            *new_offset = thiz_offset - offset;
        }else if(thiz->length - thiz_offset >= offset){
            *new_offset = thiz_offset + offset;
        }else{
            ret = false;
        }
    }else{
        if(offset <= thiz->length){
            *new_offset = offset;
        }else{
            ret = false;
        }
    }
    return ret;
}

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zrtos_stack__init()

bool zrtos_stack__init	(	zrtos_stack_t *	thiz,
		void *	data,
		size_t	length
	)

Definition at line 25 of file stack.h.

 {
    thiz->data = data;
    thiz->offset = 0;
    thiz->length = length;
    return true;
}

zrtos_stack__pop()

bool zrtos_stack__pop	(	zrtos_stack_t *	thiz,
		void *	data,
		size_t	length
	)

Definition at line 201 of file stack.h.

 {
    size_t offset = thiz->offset;
    if(offset >= length){
        offset = (thiz->offset = offset - length);
        zrtos_mem__cpy(
             data
            ,zrtos_types__ptr_add(
                 thiz->data
                ,offset
            )
            ,length
        );
        return true;
    }
    return false;
}

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zrtos_stack__push()

bool zrtos_stack__push	(	zrtos_stack_t *	thiz,
		void *	data,
		size_t	length
	)

Definition at line 179 of file stack.h.

 {
    size_t offset = thiz->offset;
    bool ret = _zrtos_stack__cpy(
         thiz
        ,zrtos_types__ptr_add(
             thiz->data
            ,offset
        )
        ,data
        ,length
        ,offset + length
    );
    if(ret){
        thiz->offset += length;
    }
    return ret;
}

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zrtos_stack__read()

bool zrtos_stack__read	(	zrtos_stack_t *	thiz,
		void *	data,
		size_t	length,
		size_t	offset
	)

Definition at line 97 of file stack.h.

 {
    return _zrtos_stack__cpy(
         thiz
        ,data
        ,zrtos_types__ptr_add(
             thiz->data
            ,offset
        )
        ,length
        ,offset + length
    );
}

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zrtos_stack__read_ex()

bool zrtos_stack__read_ex	(	zrtos_stack_t *	thiz,
		void *	data,
		size_t	length,
		size_t	offset,
		bool	is_relative,
		bool	is_negative
	)

Definition at line 115 of file stack.h.

 {
    size_t new_offset;
    return zrtos_stack__get_offset_ex(
         thiz
        ,offset
        ,is_relative
        ,is_negative
        ,&new_offset
    ) && zrtos_stack__read(
         thiz
        ,data
        ,length
        ,new_offset
    );
}

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zrtos_stack__set_offset()

bool zrtos_stack__set_offset	(	zrtos_stack_t *	thiz,
		size_t	offset
	)

Definition at line 243 of file stack.h.

 {
    if(offset <= thiz->length){
        thiz->offset = offset;
        return true;
    }
    return false;
}

zrtos_stack__set_offset_ex()

bool zrtos_stack__set_offset_ex	(	zrtos_stack_t *	thiz,
		size_t	offset,
		bool	is_relative,
		bool	is_negative
	)

Definition at line 82 of file stack.h.

 {
    return zrtos_stack__get_offset_ex(
         thiz
        ,offset
        ,is_relative
        ,is_negative
        ,&thiz->offset
    );
}

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zrtos_stack__shift()

bool zrtos_stack__shift	(	zrtos_stack_t *	thiz,
		void *	data,
		size_t	length
	)

Definition at line 222 of file stack.h.

 {
    size_t offset = thiz->offset;
    if(offset + length <= thiz->length){
        thiz->offset += length;
        zrtos_mem__cpy(
             data
            ,zrtos_types__ptr_add(
                 thiz->data
                ,offset
            )
            ,length
        );
        return true;
    }
    return false;
}

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zrtos_stack__write()

bool zrtos_stack__write	(	zrtos_stack_t *	thiz,
		void *	data,
		size_t	length,
		size_t	offset
	)

Definition at line 138 of file stack.h.

 {
    return _zrtos_stack__cpy(
         thiz
        ,zrtos_types__ptr_add(
             thiz->data
            ,offset
        )
        ,data
        ,length
        ,offset + length
    );
}

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zrtos_stack__write_ex()

bool zrtos_stack__write_ex	(	zrtos_stack_t *	thiz,
		void *	data,
		size_t	length,
		size_t	offset,
		bool	is_relative,
		bool	is_negative
	)

Definition at line 156 of file stack.h.

 {
    size_t new_offset;
    return zrtos_stack__get_offset_ex(
         thiz
        ,offset
        ,is_relative
        ,is_negative
        ,&new_offset
    ) && zrtos_stack__write(
         thiz
        ,data
        ,length
        ,new_offset
    );
}

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