ocaml/otherlibs/win32unix/windir.c

78 lines
2.2 KiB
C

/***********************************************************************/
/* */
/* 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 Library General Public License, with */
/* the special exception on linking described in file ../../LICENSE. */
/* */
/***********************************************************************/
#include <mlvalues.h>
#include <memory.h>
#include <errno.h>
#include <alloc.h>
#include <fail.h>
#include "unixsupport.h"
CAMLprim value win_findfirst(name)
value name;
{
HANDLE h;
value v;
WIN32_FIND_DATA fileinfo;
value valname = Val_unit;
value valh = Val_unit;
Begin_roots2 (valname,valh);
h = FindFirstFile(String_val(name),&fileinfo);
if (h == INVALID_HANDLE_VALUE) {
DWORD err = GetLastError();
if (err == ERROR_NO_MORE_FILES)
raise_end_of_file();
else {
win32_maperr(err);
uerror("opendir", Nothing);
}
}
valname = copy_string(fileinfo.cFileName);
valh = win_alloc_handle(h);
v = alloc_small(2, 0);
Field(v,0) = valname;
Field(v,1) = valh;
End_roots();
return v;
}
CAMLprim value win_findnext(valh)
value valh;
{
WIN32_FIND_DATA fileinfo;
BOOL retcode;
retcode = FindNextFile(Handle_val(valh), &fileinfo);
if (!retcode) {
DWORD err = GetLastError();
if (err == ERROR_NO_MORE_FILES)
raise_end_of_file();
else {
win32_maperr(err);
uerror("readdir", Nothing);
}
}
return copy_string(fileinfo.cFileName);
}
CAMLprim value win_findclose(valh)
value valh;
{
if (! FindClose(Handle_val(valh))) {
win32_maperr(GetLastError());
uerror("closedir", Nothing);
}
return Val_unit;
}