#include <windows.h>
#include <stdio.h>

void runCommand(char * command) {
    STARTUPINFO si;
    PROCESS_INFORMATION pi;

    ZeroMemory(&pi, sizeof(pi));
    ZeroMemory(&si, sizeof(si));
    si.cb = sizeof(si);

    printf("\nCommand: %s\n", command);

    CreateProcessA(NULL, command, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi);
    WaitForSingleObject(pi.hProcess, INFINITE);

    CloseHandle( pi.hProcess );
    CloseHandle( pi.hThread );
    fflush( stdout );           // insufficient when main() is called from Cygwin bash; added setbuf()
    fflush( stderr );           //
}


// [ "\\a\b"  "c\\d" "\e\f" "\\\\g\\h"  "QUOTED WORDS" WO\"RD \\a\b \\"a\b" \\a\"b \\\\"a \\\\\" b" ]
// [ "\\a\b"  "c\\d" "\e\f" "\\\\g\\h"  "QUOTED WORDS" WO\"RD x" \\a\b \\"a\b" \\a\"b x" \\\\"a \\\\\" b" ]
// The second line compensates Cygwin's interpretation of a bare (unquoted)
// backslash followed by a double quote as two separate characters.

#define COMMAND_ARGS                             " \"\\\\a\\b\"  \"c\\\\d\" \"\\e\\f\" \"\\\\\\\\g\\\\h\"  \"QUOTED WORDS\" WO\\\"RD" \
    " \\\\a\\b \\\\\"a\\b\" \\\\a\\\"b" \
    " \\\\\\\\\"a \\\\\\\\\\\" b\" "
#define COMMAND_ARGS_CYGWIN_BARE_BACKSLASH_QUOTE " \"\\\\a\\b\"  \"c\\\\d\" \"\\e\\f\" \"\\\\\\\\g\\\\h\"  \"QUOTED WORDS\" WO\\\"RD x\"" \
    " \\\\a\\b \\\\\"a\\b\" \\\\a\\\"b x\"" \
    " \\\\\\\\\"a \\\\\\\\\\\" b\" "

int main() {
    setbuf( stdout, NULL );     // just flushing these files appears to be insufficient
    setbuf( stderr, NULL );     //

    runCommand(".\\dumpargs_gcc.exe " COMMAND_ARGS_CYGWIN_BARE_BACKSLASH_QUOTE);
    runCommand(".\\dumpargs_cl.exe " COMMAND_ARGS);
    return 0;
}