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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "file_image.h"
#include "pagein.h"
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#ifdef LINUX
#include <sys/sysmacros.h>
#endif
/* do_pagein */
static void do_pagein (const char * filename)
{
int result;
file_image image = FILE_IMAGE_INITIALIZER;
if (file_image_open (&image, filename) != 0)
return;
if ((result = file_image_pagein (&image)) != 0)
{
fprintf (stderr, "file_image_pagein %s: %s\n", filename, strerror(result));
}
file_image_close (&image);
}
static int isRotational(char const * path)
{
int ret = 1;
#ifdef LINUX
FILE * fp = NULL;
char fullpath[4096];
struct stat out;
int major, minor;
char type;
if (stat(path , &out) == -1)
return ret;
major = major(out.st_dev);
minor = 0; /* minor(out.st_dev); only the device itself has a queue */
sprintf(fullpath,"/sys/dev/block/%d:%d/queue/rotational",major,minor);
if ((fp = fopen(fullpath, "r")) == NULL)
return ret;
if (fgets(&type, 1, fp))
ret = type == '1';
fclose(fp);
#endif
return ret;
}
void pagein_execute(char const * path, char const * file)
{
char fullpath[4096];
char *p = NULL;
FILE * fp = NULL;
if(!isRotational(path))
return;
memset(fullpath, 0, sizeof(fullpath));
strncpy (fullpath, path, 3000);
if (!(p = strrchr (fullpath, '/')))
p = fullpath;
else
p++;
strncpy(p, file, 1024);
p[strlen(p)] = '\0';
if ((fp = fopen (fullpath, "r")) == NULL)
{
fprintf (stderr, "fopen %s: %s\n", fullpath, strerror(errno));
return;
}
while (fgets (p, 1024, fp) != NULL)
{
p[strlen(p) - 1] = '\0';
/* paths relative to the location of the pagein file */
do_pagein (fullpath);
}
fclose (fp);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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