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/*
* $Header: /cvsroot/pgsql/src/port/Attic/opendir.c,v 1.1 2003/05/09 01:16:29 momjian Exp $
*
* Copyright (c) 2003 SRA, Inc.
* Copyright (c) 2003 SKC, Inc.
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose, without fee, and without a
* written agreement is hereby granted, provided that the above
* copyright notice and this paragraph and the following two
* paragraphs appear in all copies.
*
* IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT,
* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
* LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
* DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS
* IS" BASIS, AND THE AUTHOR HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,
* SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#include "postgres.h"
#include <stddef.h>
#include <sys/types.h>
#include <windows.h>
#include "dirent.h"
DIR *
opendir(const char *dir)
{
DIR *dp;
char *findspec;
HANDLE handle;
size_t dirlen;
dirlen = strlen(dir);
findspec = palloc(dirlen + 2 + 1);
if (findspec == NULL)
return NULL;
if (dirlen == 0)
strcpy(findspec, "*");
else if (isalpha(dir[0]) && dir[1] == ':' && dir[2] == '\0')
sprintf(findspec, "%s*", dir);
else if (dir[dirlen - 1] == '/' || dir[dirlen - 1] == '\\')
sprintf(findspec, "%s*", dir);
else
sprintf(findspec, "%s\\*", dir);
dp = (DIR *)palloc(sizeof(DIR));
if (dp == NULL)
{
pfree(findspec);
errno = ENOMEM;
return NULL;
}
dp->offset = 0;
dp->finished = 0;
dp->dir = pstrdup(dir);
if (dp->dir == NULL)
{
pfree(dp);
pfree(findspec);
errno = ENOMEM;
return NULL;
}
handle = FindFirstFile(findspec, &(dp->finddata));
if (handle == INVALID_HANDLE_VALUE)
{
pfree(dp->dir);
pfree(dp);
pfree(findspec);
errno = ENOENT;
return NULL;
}
dp->handle = handle;
pfree(findspec);
return dp;
}
struct dirent *
readdir(DIR *dp)
{
if (dp == NULL || dp->finished)
return NULL;
if (dp->offset != 0)
{
if (FindNextFile(dp->handle, &(dp->finddata)) == 0)
{
dp->finished = 1;
return NULL;
}
}
dp->offset++;
strncpy(dp->ent.d_name, dp->finddata.cFileName, MAX_PATH);
dp->ent.d_ino = 1;
return &(dp->ent);
}
int
closedir(DIR *dp)
{
FindClose(dp->handle);
pfree(dp->dir);
pfree(dp);
return 0;
}
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