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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include <config.h>
#include <stdio.h>
#include <unistd.h>
#include <locale.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <glib.h>
#include <gio/gio.h>
/* Fill test data with 0..200, repeadedly.
* This is not a power of two to avoid possible
* effects with base-2 i/o buffer sizes that could
* hide bugs */
#define DATA_MODULO 200
static gboolean
verify_block (guchar *data, guchar *start, gsize size)
{
guchar d;
gsize i;
d = 0;
if (start)
d = *start;
for (i = 0; i < size; i++)
{
if (data[i] != d)
return FALSE;
d++;
if (d >= DATA_MODULO)
d = 0;
}
if (start)
*start = d;
return TRUE;
}
static guchar *
allocate_block (gsize size)
{
guchar *data;
gsize i;
guchar d;
data = g_malloc (size);
d = 0;
for (i = 0; i < size; i++)
{
data[i] = d;
d++;
if (d >= DATA_MODULO)
d = 0;
}
return data;
}
static void
create_file (GFile *file, gsize size)
{
guchar *data;
GError *error;
data = allocate_block (size);
error = NULL;
if (!g_file_replace_contents (file,
(char *)data,
size,
NULL, FALSE, 0,
NULL, NULL, &error))
{
g_print ("error creating file: %s\n", error->message);
exit (1);
}
g_free (data);
}
static void
check_query_info (GFileInputStream *in)
{
GFileInfo *info;
GError *error;
goffset file_size;
error = NULL;
info = g_file_input_stream_query_info (in, "*", NULL, &error);
if (info == NULL)
{
g_print ("error querying info: %s\n", error->message);
exit (1);
}
if (!g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_STANDARD_SIZE))
{
g_print ("couldn't read size attribute\n");
exit (1);
}
file_size = g_file_info_get_size (info);
g_print ("file size: %d\n", (int)file_size);
if (file_size != 100*1000)
{
g_print ("wrong file size\n");
exit (1);
}
}
int
main (int argc, char *argv[])
{
GFile *file;
GFileInputStream *in;
GError *error;
gssize res;
gsize read_size;
guchar *buffer;
guchar start;
gboolean do_create_file;
g_type_init ();
do_create_file = FALSE;
if (argc > 1)
{
if (strcmp(argv[1], "-c") == 0)
{
do_create_file = TRUE;
argc--;
argv++;
}
}
if (argc != 2)
{
g_print ("need file arg");
return 1;
}
file = g_file_new_for_commandline_arg (argv[1]);
if (do_create_file)
create_file (file, 100*1000);
error = NULL;
in = g_file_read (file, NULL, &error);
if (in == NULL)
{
g_print ("error reading file: %s\n", error->message);
exit (1);
}
check_query_info (in);
buffer = malloc (100*1000);
start = 0;
read_size = 0;
do
{
res = g_input_stream_read (G_INPUT_STREAM (in),
buffer,
150,
NULL, &error);
if (res == 0)
break;
if (res < 0)
{
g_print ("error reading: %s\n", error->message);
exit (1);
}
g_print ("res: %d\n", (int)res);
if (!verify_block (buffer, &start, res))
{
g_print ("error in block starting at %d\n", (int)read_size);
exit (1);
}
read_size += res;
check_query_info (in);
}
while (1);
if (read_size != 100*1000)
{
g_print ("Didn't read entire file\n");
exit (1);
}
return 0;
}
|
