file path resolution in DOS window vs mintty window

[Steven Bardwell]

I would like to understand why Cygwin style paths do not work in a CMD (DOS)
window on my 32-bit Cygwin system, but work fine on my 64-bit Cygwin
install.

Here is a simple example of the issue:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

void main()
{
        char path_test_file[]={"/tmp"};

        /* look for file */
        if (access(path_test_file,F_OK)!=0) {
                fprintf(stderr, "%s does not exist\n", path_test_file);
                exit(16);
        }
        fprintf(stderr, "%s exists\n", path_test_file);
        exit(0);
}

Here is what I am seeing:

32-bit install       DOS -- can't find /tmp    SH.EXE  -- finds /tmp
64-bit install       DOS--finds /tmp           SH.EXE -- finds /tmp

Steve Bardwell

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