Write a C program to compares two binary files, printing the first byte position where they differ solve mca c programming Exam question paper 2013-2014,
how to compare two file using pointer function using c programming example with source code, c file handling program using binary files
Write a C program to compares two binary files,
printing the first byte position where they differ.
#include
void compare_two_binary_files(FILE *,FILE *);
int main(int argc, char *argv[])
{
FILE *fp1, *fp2;
if (argc < 3)
{
printf("\nInsufficient Arguments: \n");
printf("\nHelp:./executable \n");
return;
}
else
{
fp1 = fopen(argv[1], "r");
if (fp1 == NULL)
{
printf("\nError in opening file %s", argv[1]);
return;
}
fp2 = fopen(argv[2], "r");
if (fp2 == NULL)
{
printf("\nError in opening file %s", argv[2]);
return;
}
if ((fp1 != NULL) && (fp2 != NULL))
{
compare_two_binary_files(fp1, fp2);
}
}
}
void compare_two_binary_files(FILE *fp1, FILE *fp2)
{
char ch1, ch2;
int flag = 0;
while (((ch1 = fgetc(fp1)) != EOF) &&((ch2 = fgetc(fp2)) != EOF))
{
if (ch1 == ch2)
{
flag = 1;
continue;
}
else
{
fseek(fp1, -1, SEEK_CUR);
flag = 0;
break;
}
}
if (flag == 0)
{
printf("Two files are not equal : byte poistion at which two files differ is %d\n", ftell(fp1)+1);
}
else
{
printf("Two files are Equal\n ", ftell(fp1)+1);
}
}