C Programming:

Please post the test cases and output's screenshot

qotd.c file

#include "qotd.h"

static qotd_t *qotd = NULL;

static size_t count = 0;

static char *buffer = NULL;

void freePointer(void *ptr)

{

/*

*

* 1. Write a short routine to clear *ptr.

* 2. Use freePointer() throughout the code

* to remove all memory leaks.

*

*/

}

buffersize_t getBufferSize(ssize_t new_size)

{ /* Calculate a new buffer size, being

* sure to prevent against integer overflow

* and/or wrap.

*/

return 0;

}

int addQuote(uint16_t pos, uint16_t len)

{

qotd = (qotd_t*)realloc(qotd, sizeof(qotd_t) * (count + 1));

if (qotd == NULL)

{

return ERROR_CONDITION;

}

qotd[count].pos = pos;

qotd[count].len = len;

count++;

return SUCCESS;

}

void quoteOfTheDay()

{

char *str = NULL;

srand((unsigned)time(NULL));

uint16_t index = ((rand() % count) + 1) - 1;

str = malloc(qotd[index].len + 1);

if (str == NULL)

{

fprintf(stderr, "quoteOfTheDay() %s", ERROR_MESSAGE);

}

else

{

strncpy(str, (char*)(buffer + qotd[index].pos), qotd[index].len);

str[qotd[index].len] = '\0';

printf("%s ", str);

}

}

int load(char *file)

{

FILE *stream;

char *line = NULL;

size_t length = 0;

ssize_t lineSize;

stream = fopen(file, "r");

if (stream == NULL)

{

return ERROR_CONDITION;

}

while ((lineSize = getline(&line, &length, stream)) != -1)

{

char* pos;

buffersize_t bufferSize;

if ((pos = strchr(line, ' ')) != NULL)

{

*pos = '\0';

}

bufferSize = getBufferSize(lineSize);

if (bufferSize == 0)

{

fclose(stream);

fprintf(stderr, "getBufferSize() %s", ERROR_MESSAGE);

return ERROR_CONDITION;

}

if ((buffer = realloc(buffer, bufferSize * sizeof(char))) == NULL)

{

fclose(stream);

fprintf(stderr, "realloc() %s", ERROR_MESSAGE);

return ERROR_CONDITION;

}

if (addQuote(strlen(buffer), lineSize - 1) == ERROR_CONDITION)

{

fclose(stream);

fprintf(stderr, "addQuote() %s", ERROR_MESSAGE);

return ERROR_CONDITION;

}

strncat(buffer, line, lineSize - 1);

}

fclose(stream);

return strlen(buffer);

}

int main (int argc, char** argv)

{

if (load(QOTD_FILE) == ERROR_CONDITION)

{

return ERROR_CONDITION;

}

quoteOfTheDay();

freePointer(buffer);

freePointer(qotd);

}

************************************************************************************************

qotd.h file

#ifndef __QOTD_H

#define __QOTD_H

#include

#include

#include

#include

#include

#include

#define QOTD_FILE "qotd.txt"

#define ERROR_MESSAGE "failed to allocate space for QOTD data. Exiting. "

#define SUCCESS 0

#define ERROR_CONDITION -1

typedef uint16_t buffersize_t;

typedef struct qotd_t

{

uint16_t pos;

uint16_t len;

} qotd_t;

#define BUFFERSIZE USHRT_MAX

#endif

***********************************************************************

qotd.txt

I did it ro I will do it. -- By myself It is better to light a candle than curse the darkness. -- Eleanor Roosevelt