在eof之后从文件输入到C中的数组

Question

I'm trying to put all of the information in a file into an array, after I have already looped through the file to see how many lines the file is. If I putc a line of the file it seems to work, however, if I set the array locations to the file lines as I go back through the file and then print the array, the numbers come out way different from what they should be.

Here's my code.

int main()
{

                            //Opens File

    char fName[20];

   // fName = getchar();

    scanf( "%s", fName);

    FILE *fpIn;

    fpIn = fopen ( fName, "rt");
   // fpIn = fopen( "test1.txt", "rt");

    if ( fpIn == NULL)
    {
        printf( "Unable to open: ");
        exit(99);
    }

                            //Gets Lines

    int lines=0;
    char ch;

    while((ch=fgetc(fpIn))!=EOF)
    {
        if (ch=='\n') { lines++; }

    }

    clearerr(fName *fpIn);
    fclose(fpIn);
    fopen(fName, "rt");

                            //Makes Array

    int *pA;

    pA = (int *)malloc(lines*sizeof(int));

                            //Fills Array

    for (int i=0; i<lines; i++)
    {
        while ((ch=fgetc(fpIn))!='\n')
        {
            pA[i] = ch;
        }
        ch=fgetc(fpIn);
    }

    for (int i=0; i<lines; i++)
    {
        printf("%d\n", pA[i]);
    }



    return 0;
}

Answer 1

Consider this part of the code:

    while ((ch=fgetc(fpIn))!='\n')
    {
        pA[i] = ch;
    }

i doesn't change during this loop, so pA[i] keeps being overwritten with each new character. You'll end up with pA[i] containing the last character on the line.

Answer 2

While switching to the fscanf() statement instead of the getc() as suggested by Vaughn Cato was definitely helpful in getting me towards the right solution. What made the real difference was removing the while statement that checked to make sure I had reached the end of the line before moving on to the next integer.

The code now reads,

for (int i=0; i<lines; i++)
    {
        fscanf(fpIn, "%lf", &pA[i]);
    }

And, so far, appears to work for all the appropriate data input files.