1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* -*- 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 <unistd.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
/* 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);
}
int isRotational(char const * path)
{
#ifdef LINUX
FILE * fp = NULL;
char fullpath[4096];
struct stat out;
int major, minor;
char type;
if(stat( path , &out ) == -1)
return 1;
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")))
{
if (fgets(&type, 1, fp))
{
fclose(fp);
return type == '1';
}
}
#endif
return 1;
}
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: */
|