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/**************************************************************************/
/* */
/* OCaml */
/* */
/* Pascal Cuoq and Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. */
/* */
/* All rights reserved. This file is distributed under the terms of */
/* the GNU Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
#define CAML_INTERNALS
#include <caml/mlvalues.h>
#include <caml/memory.h>
#include <errno.h>
#include <caml/alloc.h>
#include <caml/fail.h>
#include <caml/osdeps.h>
#include "unixsupport.h"
CAMLprim value caml_unix_findfirst(value name)
{
CAMLparam0();
CAMLlocal2(valname, valh);
HANDLE h;
value v;
WIN32_FIND_DATAW fileinfo;
wchar_t * wname;
caml_unix_check_path(name, "opendir");
wname = caml_stat_strdup_to_utf16(String_val(name));
h = FindFirstFile(wname,&fileinfo);
caml_stat_free(wname);
if (h == INVALID_HANDLE_VALUE) {
DWORD err = GetLastError();
if (err == ERROR_NO_MORE_FILES)
caml_raise_end_of_file();
else {
caml_win32_maperr(err);
caml_uerror("opendir", Nothing);
}
}
valname = caml_copy_string_of_utf16(fileinfo.cFileName);
valh = caml_win32_alloc_handle(h);
v = caml_alloc_small(2, 0);
Field(v,0) = valname;
Field(v,1) = valh;
CAMLreturn(v);
}
CAMLprim value caml_unix_findnext(value valh)
{
WIN32_FIND_DATAW fileinfo;
BOOL retcode;
retcode = FindNextFile(Handle_val(valh), &fileinfo);
if (!retcode) {
DWORD err = GetLastError();
if (err == ERROR_NO_MORE_FILES)
caml_raise_end_of_file();
else {
caml_win32_maperr(err);
caml_uerror("readdir", Nothing);
}
}
return caml_copy_string_of_utf16(fileinfo.cFileName);
}
CAMLprim value caml_unix_findclose(value valh)
{
if (! FindClose(Handle_val(valh))) {
caml_win32_maperr(GetLastError());
caml_uerror("closedir", Nothing);
}
return Val_unit;
}
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