Write a function bool isInData (const uint8_t* data, size_t arraySize, const uint8_t* ptr) that is given a (pointer to) an array of bytes, the size of the array and a pointer to a byte somewhere in memory. The function returns true if and only if the variable ptr points somewhere within the array data (including at either end of it). Your function cannot use any loops and should ideally have just a single line of code as its body (not including braces, of course).
Write a function bool isInData (const uint8_t* data, size_t arraySize, const uint8_t* ptr) that is given a (pointer to) an array of bytes, the size of the array and a pointer to a byte somewhere in memory. The function returns true if and only if the variable ptr points somewhere within the array data (including at either end of it). Your function cannot use any loops and should ideally have just a single line of code as its body (not including braces, of course).
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Returning the result in C
![Write a function bool isInData(const uint8_t* data, size_t arraySize, const uint8_t*
ptr) that is given a (pointer to) an array of bytes, the size of the array and a pointer to a byte
somewhere in memory. The function returns true if and only if the variable ptr points
somewhere within the array data (including at either end of it). Your function cannot use any
loops and should ideally have just a single line of code as its body (not including braces, of
course).
For example:
Test
const uint8_t x;
const uint8_t thing [3];
const uint8_t y;
0
1
1
1
printf("%d\n", isInData(thing, 3, &x));
printf("%d\n", isInData(thing, 3, &thing[0])); 0
printf("%d\n", isInData(thing, 3, &thing [1])); 0
printf("%d\n", isInData (thing, 3, &thing [2]));
printf("%d\n", isInData(thing, 3, &thing[3]));
printf("%d\n", isInData(thing, 3, &y));
Answer: (penalty regime: 0, 10, ... %)
1
Result
Precheck Check](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fea0427ee-7253-48e5-8150-fcda54728b67%2F16906281-afa4-445e-8582-99571f6ed6a0%2Fr4w12z_processed.png&w=3840&q=75)
Transcribed Image Text:Write a function bool isInData(const uint8_t* data, size_t arraySize, const uint8_t*
ptr) that is given a (pointer to) an array of bytes, the size of the array and a pointer to a byte
somewhere in memory. The function returns true if and only if the variable ptr points
somewhere within the array data (including at either end of it). Your function cannot use any
loops and should ideally have just a single line of code as its body (not including braces, of
course).
For example:
Test
const uint8_t x;
const uint8_t thing [3];
const uint8_t y;
0
1
1
1
printf("%d\n", isInData(thing, 3, &x));
printf("%d\n", isInData(thing, 3, &thing[0])); 0
printf("%d\n", isInData(thing, 3, &thing [1])); 0
printf("%d\n", isInData (thing, 3, &thing [2]));
printf("%d\n", isInData(thing, 3, &thing[3]));
printf("%d\n", isInData(thing, 3, &y));
Answer: (penalty regime: 0, 10, ... %)
1
Result
Precheck Check
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