mirror of
https://github.com/openssl/openssl.git
synced 2024-11-27 05:21:51 +08:00
a2400fcab8
Now we have directory reading capabilities for VMS as well, and all of it in a fairly general manner.
106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
/* $LP: LPlib/source/LPdir_unix.c,v 1.6 2004/06/14 10:08:43 _cvs_levitte Exp $ */
|
|
/*
|
|
* Copyright (c) 2004, Richard Levitte <richard@levitte.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#ifndef LPDIR_H
|
|
#include "LPdir.h"
|
|
#endif
|
|
|
|
struct LP_dir_context_st
|
|
{
|
|
DIR *dir;
|
|
char entry_name[NAME_MAX+1];
|
|
};
|
|
|
|
const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory)
|
|
{
|
|
struct dirent *direntry = NULL;
|
|
|
|
if (ctx == NULL || directory == NULL)
|
|
{
|
|
errno = EINVAL;
|
|
return 0;
|
|
}
|
|
|
|
errno = 0;
|
|
if (*ctx == NULL)
|
|
{
|
|
*ctx = (LP_DIR_CTX *)malloc(sizeof(LP_DIR_CTX));
|
|
if (*ctx == NULL)
|
|
{
|
|
errno = ENOMEM;
|
|
return 0;
|
|
}
|
|
memset(*ctx, '\0', sizeof(LP_DIR_CTX));
|
|
|
|
(*ctx)->dir = opendir(directory);
|
|
if ((*ctx)->dir == NULL)
|
|
{
|
|
int save_errno = errno; /* Probably not needed, but I'm paranoid */
|
|
free(*ctx);
|
|
*ctx = NULL;
|
|
errno = save_errno;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
direntry = readdir((*ctx)->dir);
|
|
if (direntry == NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
strncpy((*ctx)->entry_name, direntry->d_name, sizeof((*ctx)->entry_name));
|
|
return (*ctx)->entry_name;
|
|
}
|
|
|
|
int LP_find_file_end(LP_DIR_CTX **ctx)
|
|
{
|
|
if (ctx != NULL && *ctx != NULL)
|
|
{
|
|
int ret = closedir((*ctx)->dir);
|
|
|
|
free(*ctx);
|
|
switch (ret)
|
|
{
|
|
case 0:
|
|
return 1;
|
|
case -1:
|
|
return 0;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
errno = EINVAL;
|
|
return 0;
|
|
}
|