1 Attachment(s)
CreateFile Error 2 - Simple Problem, Can't Figure it out
Hello all,
So I haven't programmed in a long time now and I'm working through a Windows System Programming book and for some reason I can't figure out why this simple file copy program keeps giving me Error 2 (Can't find file) when the file is clearly right there. I tried searching but couldn't find someone with the same issue.
Below is the code and a screenshot of the Command Prompt.
Thanks!
Code:
#include <Windows.h>
#include <stdio.h>
#define BUF_SIZE 256
int main(int argc, LPTSTR argv[])
{
HANDLE hIn, hOut;
DWORD nIn, nOut;
CHAR buffer[BUF_SIZE];
if(argc != 3)
{
printf("Usage: WinFileCopy file1 file2\n");
return 1;
}
printf("Filename: %s\n", argv[1]);
hIn = CreateFile(argv[1], GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if(hIn == INVALID_HANDLE_VALUE)
{
printf("Cannot open input file. Error: %x\n", GetLastError());
return 2;
}
hOut = CreateFile(argv[2], GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if(hOut == INVALID_HANDLE_VALUE)
{
printf("Cannot open output file. Error: %x\n", GetLastError());
return 3;
}
while(ReadFile(hIn, buffer, BUF_SIZE, &nIn, NULL) && nIn > 0)
{
WriteFile(hOut, buffer, nIn, &nOut, NULL);
if(nIn != nOut)
{
printf("Fatal write error: %x\n", GetLastError());
return 4;
}
}
CloseHandle(hIn);
CloseHandle(hOut);
return 0;
}
Attachment 12673
Also, I tried the relative path (in above screen shot), absolute path, running as admin, etc.
