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file.c
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file.c
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#include<stdio.h>
#include<stdlib.h>
#include<assert.h>
#include<stdio.h>
#include<string.h>
#include<unistd.h>
struct board{
char * boardArr;
int x;
int y;
} typedef board;
int readFile(char * file, board * board)
{
FILE * raw = fopen(file, "r");
assert(raw != NULL);
char head;
size_t length;
size_t x = 0;
size_t y = 0;
while ((head = fgetc(raw))!=EOF) // finds the longest line and lineCount (x and y respectively)
{
if (head == '\n')
{
y++;
if (length > x)
{
x = length;
}
length = 0;
}
else
{
length++;
}
}
board->x = x;
board->y = y;
printf("%lu\n%lu\n", x,y);
board->boardArr = malloc(x * y * sizeof(char));
fclose(raw);
raw = fopen(file, "r");
char * line = NULL;
length = 0;
size_t read;
int counter = 0;
while ((read = getline(&line,&length,raw)!=-1)) // populates table with data from memory
{
memcpy(&(board->boardArr[x*counter*sizeof(char)]),line,(size_t)(strchr(line,'\n')-line));
counter++;
}
return 0;
}
void printBoard(board * b)
{
write(1,b->boardArr,b->x * b->y * sizeof(char));
}
int main(int argc, char * argv[])
{
board b;
readFile(argv[1],&b);
printBoard(&b);
return 0;
}