forked from danmar/cppcheck
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathfilelister.cpp
More file actions
277 lines (232 loc) · 9.59 KB
/
filelister.cpp
File metadata and controls
277 lines (232 loc) · 9.59 KB
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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2022 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "filelister.h"
#include "config.h"
#include "path.h"
#include "pathmatch.h"
#include "utils.h"
#include <cstddef>
#include <cstring>
// fix NAME_MAX not found on macOS GCC8.1
#include <climits>
#ifdef _WIN32
///////////////////////////////////////////////////////////////////////////////
////// This code is WIN32 systems /////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
#include <windows.h>
#include <shlwapi.h>
// Here is the catch: cppcheck core is Ansi code (using char type).
// When compiling Unicode targets WinAPI automatically uses *W Unicode versions
// of called functions. Thus, we explicitly call *A versions of the functions.
static BOOL myIsDirectory(const std::string& path)
{
// See http://msdn.microsoft.com/en-us/library/bb773621(VS.85).aspx
return PathIsDirectoryA(path.c_str());
}
static HANDLE myFindFirstFile(const std::string& path, LPWIN32_FIND_DATAA findData)
{
HANDLE hFind = FindFirstFileA(path.c_str(), findData);
return hFind;
}
static BOOL myFileExists(const std::string& path)
{
return PathFileExistsA(path.c_str()) && !PathIsDirectoryA(path.c_str());
}
std::string FileLister::recursiveAddFiles(std::map<std::string, std::size_t> &files, const std::string &path, const std::set<std::string> &extra, const PathMatch& ignored)
{
return addFiles(files, path, extra, true, ignored);
}
std::string FileLister::addFiles(std::map<std::string, std::size_t> &files, const std::string &path, const std::set<std::string> &extra, bool recursive, const PathMatch& ignored)
{
const std::string cleanedPath = Path::toNativeSeparators(path);
// basedir is the base directory which is used to form pathnames.
// It always has a trailing backslash available for concatenation.
std::string basedir;
// searchPattern is the search string passed into FindFirst and FindNext.
std::string searchPattern = cleanedPath;
// The user wants to check all files in a dir
const bool checkAllFilesInDir = (myIsDirectory(cleanedPath) != FALSE);
if (checkAllFilesInDir) {
const char c = cleanedPath.back();
switch (c) {
case '\\':
searchPattern += '*';
basedir = cleanedPath;
break;
case '*':
basedir = cleanedPath.substr(0, cleanedPath.length() - 1);
break;
default:
searchPattern += "\\*";
if (cleanedPath != ".")
basedir = cleanedPath + '\\';
}
} else {
const std::string::size_type pos = cleanedPath.find_last_of('\\');
if (std::string::npos != pos) {
basedir = cleanedPath.substr(0, pos + 1);
}
}
WIN32_FIND_DATAA ffd;
HANDLE hFind = myFindFirstFile(searchPattern, &ffd);
if (INVALID_HANDLE_VALUE == hFind)
return "";
do {
if (ffd.cFileName[0] == '.' || ffd.cFileName[0] == '\0')
continue;
const char* ansiFfd = ffd.cFileName;
if (std::strchr(ansiFfd,'?')) {
ansiFfd = ffd.cAlternateFileName;
}
const std::string fname(basedir + ansiFfd);
if ((ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0) {
// File
if ((!checkAllFilesInDir || Path::acceptFile(fname, extra)) && !ignored.match(fname)) {
const std::string nativename = Path::fromNativeSeparators(fname);
// Limitation: file sizes are assumed to fit in a 'size_t'
#ifdef _WIN64
files[nativename] = (static_cast<std::size_t>(ffd.nFileSizeHigh) << 32) | ffd.nFileSizeLow;
#else
files[nativename] = ffd.nFileSizeLow;
#endif
}
} else {
// Directory
if (recursive) {
if (!ignored.match(fname)) {
std::string err = FileLister::recursiveAddFiles(files, fname, extra, ignored);
if (!err.empty())
return err;
}
}
}
} while (FindNextFileA(hFind, &ffd) != FALSE);
FindClose(hFind);
return "";
}
bool FileLister::isDirectory(const std::string &path)
{
return (myIsDirectory(path) != FALSE);
}
bool FileLister::fileExists(const std::string &path)
{
return (myFileExists(path) != FALSE);
}
#else
///////////////////////////////////////////////////////////////////////////////
////// This code is POSIX-style systems ///////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
#if defined(__CYGWIN__)
#undef __STRICT_ANSI__
#endif
#include <dirent.h>
#include <sys/stat.h>
#include <cerrno>
#ifndef NAME_MAX
#ifdef MAXNAMLEN
#define NAME_MAX MAXNAMLEN
#endif
#endif
static std::string addFiles2(std::map<std::string, std::size_t> &files,
const std::string &path,
const std::set<std::string> &extra,
bool recursive,
const PathMatch& ignored
)
{
struct stat file_stat;
if (stat(path.c_str(), &file_stat) != -1) {
if ((file_stat.st_mode & S_IFMT) == S_IFDIR) {
DIR * dir = opendir(path.c_str());
if (!dir)
return "";
dirent * dir_result;
// make sure we reserve enough space for the readdir_r() buffer;
// according to POSIX:
// The storage pointed to by entry shall be large enough for a
// dirent with an array of char d_name members containing at
// least {NAME_MAX}+1 elements.
// on some platforms, d_name is not a static sized-array but
// a pointer to space usually reserved right after the dirent
// struct; the union here allows to reserve the space and to
// provide a pointer to the right type that can be passed where
// needed without casts
union {
dirent entry;
char buf[sizeof(*dir_result) + (sizeof(dir_result->d_name) > 1 ? 0 : NAME_MAX + 1)];
} dir_result_buffer;
// TODO: suppress instead?
(void)dir_result_buffer.buf; // do not trigger cppcheck itself on the "unused buf"
std::string new_path;
new_path.reserve(path.length() + 100);// prealloc some memory to avoid constant new/deletes in loop
while ((SUPPRESS_DEPRECATED_WARNING(readdir_r(dir, &dir_result_buffer.entry, &dir_result)) == 0) && (dir_result != nullptr)) {
if ((std::strcmp(dir_result->d_name, ".") == 0) ||
(std::strcmp(dir_result->d_name, "..") == 0))
continue;
new_path = path + '/' + dir_result->d_name;
#if defined(_DIRENT_HAVE_D_TYPE) || defined(_BSD_SOURCE)
const bool path_is_directory = (dir_result->d_type == DT_DIR || (dir_result->d_type == DT_UNKNOWN && FileLister::isDirectory(new_path)));
#else
const bool path_is_directory = FileLister::isDirectory(new_path);
#endif
if (path_is_directory) {
if (recursive && !ignored.match(new_path)) {
std::string err = addFiles2(files, new_path, extra, recursive, ignored);
if (!err.empty())
return err;
}
} else {
if (Path::acceptFile(new_path, extra) && !ignored.match(new_path)) {
if (stat(new_path.c_str(), &file_stat) != -1)
files[new_path] = file_stat.st_size;
else
return "Can't stat " + new_path + " errno: " + std::to_string(errno);
}
}
}
closedir(dir);
} else
files[path] = file_stat.st_size;
}
return "";
}
std::string FileLister::recursiveAddFiles(std::map<std::string, std::size_t> &files, const std::string &path, const std::set<std::string> &extra, const PathMatch& ignored)
{
return addFiles(files, path, extra, true, ignored);
}
std::string FileLister::addFiles(std::map<std::string, std::size_t> &files, const std::string &path, const std::set<std::string> &extra, bool recursive, const PathMatch& ignored)
{
if (!path.empty()) {
std::string corrected_path = path;
if (endsWith(corrected_path, '/'))
corrected_path.erase(corrected_path.end() - 1);
return addFiles2(files, corrected_path, extra, recursive, ignored);
}
return "";
}
bool FileLister::isDirectory(const std::string &path)
{
struct stat file_stat;
return (stat(path.c_str(), &file_stat) != -1 && (file_stat.st_mode & S_IFMT) == S_IFDIR);
}
bool FileLister::fileExists(const std::string &path)
{
struct stat file_stat;
return (stat(path.c_str(), &file_stat) != -1 && (file_stat.st_mode & S_IFMT) == S_IFREG);
}
#endif