Cygwin path conversion API test.

01_test_path_cygwin.c

/*
 * Cygwin path conversion API test.
 */

#include <sys/cygwin.h>
#include <stdio.h>
#include <stdlib.h>

#ifndef MAX_PATH
# ifdef PATH_MAX
#  define MAX_PATH PATH_MAX
# endif
#endif

typedef unsigned char char_u;

int main(int argv, char argc[])
{
    int i;
    char_u buf[MAX_PATH];
    char_u *fname;
    char_u *fnames[] = {
        ".",
        "./",
        "..",
        "../",
        "foo",
        "foo/",
        "foo//",
        "/",
        "//",
        "///",
        "/etc",
        "/etc/",
        "/etc/hosts",
        "C:",
        "C:/",
        "C://",
        "C:///",
        "C:/Windows",
        "C:/Windows/",
        "C:\\",
        "C:\\\\",
        "C:\\\\\\",
        "C:\\Windows",
        "C:\\Windows\\",
        "\\",
        "\\\\",
        "\\\\\\",
        "\\Windows",
        "\\Windows\\",
        "C:/cygwin",
        "C:/cygwin/",
        "C:\\cygwin",
        "C:\\cygwin\\",
        "\\cygwin",
        "\\cygwin\\",
        "\\\\host",
    };

    if (getcwd(buf, MAX_PATH))
      {
        puts(buf);
      }

    for (i = 0; i < sizeof(fnames) / sizeof(*fnames); ++i)
      {
        fname = fnames[i];
        cygwin_conv_path(CCP_WIN_A_TO_POSIX, fname, buf, MAX_PATH);
        printf("%-16s -> %s\n", fname, buf);
      }

    return 0;
}

02_output.txt

/usr/local
.                -> /usr/local/
./               -> /usr/local/
..               -> /usr/
../              -> /usr/
..//             -> /usr/
foo              -> /usr/local/foo
foo/             -> /usr/local/foo/
foo//            -> /usr/local/foo/
/                -> /
//               -> //
///              -> ///
/etc             -> /etc
/etc/            -> /etc/
/etc/hosts       -> /etc/hosts
C:               -> /cygdrive/c
C:/              -> /cygdrive/c
C://             -> /cygdrive/c/
C:///            -> /cygdrive/c/
C:/Windows       -> /cygdrive/c/Windows
C:/Windows/      -> /cygdrive/c/Windows/
C:\              -> /cygdrive/c
C:\\             -> /cygdrive/c/
C:\\\            -> /cygdrive/c/
C:\Windows       -> /cygdrive/c/Windows
C:\Windows\      -> /cygdrive/c/Windows/
\                -> /cygdrive/c
\\               -> //
\\\              -> /cygdrive/c/
\Windows         -> /cygdrive/c/Windows
\Windows\        -> /cygdrive/c/Windows/
C:/cygwin        -> /
C:/cygwin/       -> /
C:\cygwin        -> /
C:\cygwin\       -> /
\cygwin          -> /
\cygwin\         -> /
\\host           -> //host