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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
/*
** File: append.c
** Description: Testing File writes where PR_APPEND was used on open
**
** append attempts to verify that a file opened with PR_APPEND
** will always append to the end of file, regardless where the
** current file pointer is positioned. To do this, PR_Seek() is
** called before each write with the position set to beginning of
** file. Subsequent writes should always append.
** The file is read back, summing the integer data written to the
** file. If the expected result is equal, the test passes.
**
** See BugSplat: 4090
*/
#include "plgetopt.h"
#include "nspr.h"
#include <stdio.h>
#include <stdlib.h>
PRIntn debug = 0;
PRIntn verbose = 0;
PRBool failedAlready = PR_FALSE;
const PRInt32 addedBytes = 1000;
const PRInt32 buf = 1; /* constant written to fd, addedBytes times */
PRInt32 inBuf; /* read it back into here */
int main(int argc, char **argv)
{
PRStatus rc;
PRInt32 rv;
PRFileDesc *fd;
PRIntn i;
PRInt32 sum = 0;
{ /* Get command line options */
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "vd");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) {
continue;
}
switch (opt->option)
{
case 'd': /* debug */
debug = 1;
break;
case 'v': /* verbose */
verbose = 1;
break;
default:
break;
}
}
PL_DestroyOptState(opt);
} /* end block "Get command line options" */
/* ---------------------------------------------------------------------- */
fd = PR_Open( "/tmp/nsprAppend", (PR_APPEND | PR_CREATE_FILE | PR_TRUNCATE | PR_WRONLY), 0666 );
if ( NULL == fd ) {
if (debug) {
printf("PR_Open() failed for writing: %d\n", PR_GetError());
}
failedAlready = PR_TRUE;
goto Finished;
}
for ( i = 0; i < addedBytes ; i++ ) {
rv = PR_Write( fd, &buf, sizeof(buf));
if ( sizeof(buf) != rv ) {
if (debug) {
printf("PR_Write() failed: %d\n", PR_GetError());
}
failedAlready = PR_TRUE;
goto Finished;
}
rv = PR_Seek( fd, 0, PR_SEEK_SET );
if ( -1 == rv ) {
if (debug) {
printf("PR_Seek() failed: %d\n", PR_GetError());
}
failedAlready = PR_TRUE;
goto Finished;
}
}
rc = PR_Close( fd );
if ( PR_FAILURE == rc ) {
if (debug) {
printf("PR_Close() failed after writing: %d\n", PR_GetError());
}
failedAlready = PR_TRUE;
goto Finished;
}
/* ---------------------------------------------------------------------- */
fd = PR_Open( "/tmp/nsprAppend", PR_RDONLY, 0 );
if ( NULL == fd ) {
if (debug) {
printf("PR_Open() failed for reading: %d\n", PR_GetError());
}
failedAlready = PR_TRUE;
goto Finished;
}
for ( i = 0; i < addedBytes ; i++ ) {
rv = PR_Read( fd, &inBuf, sizeof(inBuf));
if ( sizeof(inBuf) != rv) {
if (debug) {
printf("PR_Write() failed: %d\n", PR_GetError());
}
failedAlready = PR_TRUE;
goto Finished;
}
sum += inBuf;
}
rc = PR_Close( fd );
if ( PR_FAILURE == rc ) {
if (debug) {
printf("PR_Close() failed after reading: %d\n", PR_GetError());
}
failedAlready = PR_TRUE;
goto Finished;
}
if ( sum != addedBytes ) {
if (debug) {
printf("Uh Oh! addedBytes: %d. Sum: %d\n", addedBytes, sum);
}
failedAlready = PR_TRUE;
goto Finished;
}
/* ---------------------------------------------------------------------- */
Finished:
if (debug || verbose) {
printf("%s\n", (failedAlready)? "FAILED" : "PASSED" );
}
return( (failedAlready)? 1 : 0 );
} /* main() */
/* append.c */
|
