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
|
/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Martin Oberhuber (Wind River) - [316975] memory leak on failure reading .ini file
*******************************************************************************/
#include "eclipseOS.h"
#include "eclipseConfig.h"
#ifdef MACOSX
#include <libgen.h>
#endif
#ifdef _WIN32
#include <stdio.h>
#include <sys/stat.h>
#ifdef __MINGW32__
#include <stdlib.h>
#endif
#else /* Unix like platforms */
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#endif
int readIniFile(_TCHAR* program, int *argc, _TCHAR ***argv)
{
_TCHAR* config_file = NULL;
int result;
if (program == NULL || argc == NULL || argv == NULL) return -1;
#if defined(_WIN32) && defined(_WIN32_CONSOLE)
config_file = getIniFile(program, 1);
#else
config_file = getIniFile(program, 0);
#endif
result = readConfigFile(config_file, argc, argv);
free(config_file);
return result;
}
_TCHAR* getIniFile(_TCHAR* program, int consoleLauncher){
_TCHAR* config_file = NULL;
/* Get a copy with room for .ini at the end */
config_file = malloc( (_tcslen(program) + 5) * sizeof(_TCHAR));
_tcscpy(config_file, program);
#ifdef _WIN32
{
/* Search for the extension .exe and replace it with .ini */
_TCHAR *extension = _tcsrchr(config_file, _T_ECLIPSE('.'));
if (extension == NULL)
{
/* does not end with an extension, just append .ini */
extension = config_file + _tcslen(config_file);
}
_tcscpy(extension, _T_ECLIPSE(".ini"));
if(consoleLauncher){
/* We are the console version, if the ini file does not exist, try
* removing the 'c' from the end of the program name */
struct _stat stats;
if (_tstat( config_file, &stats ) != 0 && *(extension - 1) == _T('c')) {
_tcscpy(extension - 1, extension);
}
}
}
#elif MACOSX
//On MacOSX, the eclipse.ini is not a sibling of the executable.
//It is in ../Eclipse/<launcherName>.ini relatively to the executable.
char *dirc, *basec, *bname, *dname;
dirc = strdup(program);
basec = strdup(program);
dname = dirname(dirname(dirc));
bname = basename(basec);
config_file = realloc(config_file, strlen(dname) + strlen(bname) + 16 * sizeof(char));
sprintf(config_file, "%s/Eclipse/%s.ini", dname, bname);
free(dirc);
free(basec);
#else
/* Append the extension */
strcat(config_file, ".ini");
#endif
return config_file;
}
int readConfigFile( _TCHAR * config_file, int *argc, _TCHAR ***argv )
{
_TCHAR * buffer;
_TCHAR * argument;
_TCHAR * arg;
FILE *file = NULL;
int maxArgs = 128;
int index;
size_t bufferSize = 1024;
size_t length;
/* Open the config file as a text file
* Note that carriage return-linefeed combination \r\n are automatically
* translated into single linefeeds on input in the t (translated) mode
* on windows, on other platforms we will strip the \r as whitespace.
*/
file = _tfopen(config_file, _T_ECLIPSE("rt"));
if (file == NULL) return -3;
/* allocate buffers */
buffer = (_TCHAR*)malloc(bufferSize * sizeof(_TCHAR));
argument = (_TCHAR*)malloc(bufferSize * sizeof(_TCHAR));
*argv = (_TCHAR **)malloc((1 + maxArgs) * sizeof(_TCHAR*));
index = 0;
/* Parse every line */
while (_fgetts(buffer, bufferSize, file) != NULL)
{
/* did we fill the buffer without reaching the end of a line? */
while (buffer[bufferSize - 2] != _T_ECLIPSE('\n') && _tcslen(buffer) == (bufferSize - 1)) {
bufferSize += 1024;
buffer = (_TCHAR*)realloc(buffer, bufferSize * sizeof(_TCHAR));
argument = (_TCHAR*)realloc(argument, bufferSize * sizeof(_TCHAR));
buffer[bufferSize - 2] = 0;
/* read the next chunk to overwrite the \0 left by the last read */
if(_fgetts(buffer + bufferSize - 1025, 1025, file) == NULL)
break;
}
/* Extract the string prior to the first newline character.
* We don't have to worry about \r\n combinations since the file
* is opened in translated mode.
*/
if (_stscanf(buffer, _T_ECLIPSE("%[^\n]"), argument) == 1)
{
/* watch for comments */
if(argument[0] == _T_ECLIPSE('#'))
continue;
arg = _tcsdup(argument);
length = _tcslen(arg);
/* basic whitespace trimming */
while (length > 0 && (arg[length - 1] == _T_ECLIPSE(' ') ||
arg[length - 1] == _T_ECLIPSE('\t') ||
arg[length - 1] == _T_ECLIPSE('\r')))
{
arg[--length] = 0;
}
/* ignore empty lines */
if (length == 0) {
free(arg);
continue;
}
(*argv)[index] = arg;
index++;
/* Grow the array of TCHAR*. Ensure one more entry is
* available for the final NULL entry
*/
if (index == maxArgs - 1)
{
maxArgs += 128;
*argv = (_TCHAR **)realloc(*argv, maxArgs * sizeof(_TCHAR*));
}
}
}
(*argv)[index] = NULL;
*argc = index;
fclose(file);
free(buffer);
free(argument);
return 0;
}
void freeConfig(_TCHAR **argv)
{
int index = 0;
if (argv == NULL) return;
while (argv[index] != NULL)
{
free(argv[index]);
index++;
}
free(argv);
}
|
