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Side by Side Diff: runtime/bin/directory_macos.cc

Issue 2480793002: clang-format runtime/bin (Closed)
Patch Set: Created 4 years, 1 month ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "platform/globals.h" 5 #include "platform/globals.h"
6 #if defined(TARGET_OS_MACOS) 6 #if defined(TARGET_OS_MACOS)
7 7
8 #include "bin/directory.h" 8 #include "bin/directory.h"
9 9
10 #include <dirent.h> // NOLINT 10 #include <dirent.h> // NOLINT
11 #include <errno.h> // NOLINT 11 #include <errno.h> // NOLINT
12 #include <string.h> // NOLINT 12 #include <string.h> // NOLINT
13 #include <sys/param.h> // NOLINT 13 #include <sys/param.h> // NOLINT
14 #include <sys/stat.h> // NOLINT 14 #include <sys/stat.h> // NOLINT
15 #include <unistd.h> // NOLINT 15 #include <unistd.h> // NOLINT
16 16
17 #include "bin/dartutils.h" 17 #include "bin/dartutils.h"
18 #include "bin/file.h" 18 #include "bin/file.h"
19 #include "bin/platform.h" 19 #include "bin/platform.h"
20 #include "platform/signal_blocker.h" 20 #include "platform/signal_blocker.h"
21 21
22 namespace dart { 22 namespace dart {
23 namespace bin { 23 namespace bin {
24 24
25 PathBuffer::PathBuffer() : length_(0) { 25 PathBuffer::PathBuffer() : length_(0) {
(...skipping 23 matching lines...) Expand all
49 } 49 }
50 50
51 51
52 const char* PathBuffer::AsScopedString() const { 52 const char* PathBuffer::AsScopedString() const {
53 return DartUtils::ScopedCopyCString(AsString()); 53 return DartUtils::ScopedCopyCString(AsString());
54 } 54 }
55 55
56 56
57 bool PathBuffer::Add(const char* name) { 57 bool PathBuffer::Add(const char* name) {
58 char* data = AsString(); 58 char* data = AsString();
59 int written = snprintf(data + length_, 59 int written = snprintf(data + length_, PATH_MAX - length_, "%s", name);
60 PATH_MAX - length_,
61 "%s",
62 name);
63 data[PATH_MAX] = '\0'; 60 data[PATH_MAX] = '\0';
64 if ((written <= PATH_MAX - length_) && 61 if ((written <= PATH_MAX - length_) && (written >= 0) &&
65 (written >= 0) &&
66 (static_cast<size_t>(written) == strlen(name))) { 62 (static_cast<size_t>(written) == strlen(name))) {
67 length_ += written; 63 length_ += written;
68 return true; 64 return true;
69 } else { 65 } else {
70 errno = ENAMETOOLONG; 66 errno = ENAMETOOLONG;
71 return false; 67 return false;
72 } 68 }
73 } 69 }
74 70
75 71
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
112 } 108 }
113 // Reset. 109 // Reset.
114 listing->path_buffer().Reset(path_length_); 110 listing->path_buffer().Reset(path_length_);
115 ResetLink(); 111 ResetLink();
116 112
117 // Iterate the directory and post the directories and files to the 113 // Iterate the directory and post the directories and files to the
118 // ports. 114 // ports.
119 int status = 0; 115 int status = 0;
120 dirent entry; 116 dirent entry;
121 dirent* result; 117 dirent* result;
122 status = NO_RETRY_EXPECTED(readdir_r( 118 status = NO_RETRY_EXPECTED(
123 reinterpret_cast<DIR*>(lister_), &entry, &result)); 119 readdir_r(reinterpret_cast<DIR*>(lister_), &entry, &result));
124 if ((status == 0) && (result != NULL)) { 120 if ((status == 0) && (result != NULL)) {
125 if (!listing->path_buffer().Add(entry.d_name)) { 121 if (!listing->path_buffer().Add(entry.d_name)) {
126 done_ = true; 122 done_ = true;
127 return kListError; 123 return kListError;
128 } 124 }
129 switch (entry.d_type) { 125 switch (entry.d_type) {
130 case DT_DIR: 126 case DT_DIR:
131 if ((strcmp(entry.d_name, ".") == 0) || 127 if ((strcmp(entry.d_name, ".") == 0) ||
132 (strcmp(entry.d_name, "..") == 0)) { 128 (strcmp(entry.d_name, "..") == 0)) {
133 return Next(listing); 129 return Next(listing);
134 } 130 }
135 return kListDirectory; 131 return kListDirectory;
136 case DT_REG: 132 case DT_REG:
137 return kListFile; 133 return kListFile;
138 case DT_LNK: 134 case DT_LNK:
139 if (!listing->follow_links()) { 135 if (!listing->follow_links()) {
140 return kListLink; 136 return kListLink;
141 } 137 }
142 // Else fall through to next case. 138 // Else fall through to next case.
143 // Fall through. 139 // Fall through.
144 case DT_UNKNOWN: { 140 case DT_UNKNOWN: {
145 // On some file systems the entry type is not determined by 141 // On some file systems the entry type is not determined by
146 // readdir_r. For those and for links we use stat to determine 142 // readdir_r. For those and for links we use stat to determine
147 // the actual entry type. Notice that stat returns the type of 143 // the actual entry type. Notice that stat returns the type of
148 // the file pointed to. 144 // the file pointed to.
149 struct stat entry_info; 145 struct stat entry_info;
150 int stat_success; 146 int stat_success;
151 stat_success = NO_RETRY_EXPECTED( 147 stat_success = NO_RETRY_EXPECTED(
152 lstat(listing->path_buffer().AsString(), &entry_info)); 148 lstat(listing->path_buffer().AsString(), &entry_info));
153 if (stat_success == -1) { 149 if (stat_success == -1) {
154 return kListError; 150 return kListError;
155 } 151 }
156 if (listing->follow_links() && S_ISLNK(entry_info.st_mode)) { 152 if (listing->follow_links() && S_ISLNK(entry_info.st_mode)) {
157 // Check to see if we are in a loop created by a symbolic link. 153 // Check to see if we are in a loop created by a symbolic link.
158 LinkList current_link = { entry_info.st_dev, 154 LinkList current_link = {entry_info.st_dev, entry_info.st_ino, link_};
159 entry_info.st_ino,
160 link_ };
161 LinkList* previous = link_; 155 LinkList* previous = link_;
162 while (previous != NULL) { 156 while (previous != NULL) {
163 if ((previous->dev == current_link.dev) && 157 if ((previous->dev == current_link.dev) &&
164 (previous->ino == current_link.ino)) { 158 (previous->ino == current_link.ino)) {
165 // Report the looping link as a link, rather than following it. 159 // Report the looping link as a link, rather than following it.
166 return kListLink; 160 return kListLink;
167 } 161 }
168 previous = previous->next; 162 previous = previous->next;
169 } 163 }
170 stat_success = NO_RETRY_EXPECTED( 164 stat_success = NO_RETRY_EXPECTED(
(...skipping 56 matching lines...) Expand 10 before | Expand all | Expand 10 after
227 } 221 }
228 if (parent_ != NULL) { 222 if (parent_ != NULL) {
229 link_ = parent_->link_; 223 link_ = parent_->link_;
230 } 224 }
231 } 225 }
232 226
233 227
234 static bool DeleteRecursively(PathBuffer* path); 228 static bool DeleteRecursively(PathBuffer* path);
235 229
236 230
237 static bool DeleteFile(char* file_name, 231 static bool DeleteFile(char* file_name, PathBuffer* path) {
238 PathBuffer* path) {
239 return path->Add(file_name) && (unlink(path->AsString()) == 0); 232 return path->Add(file_name) && (unlink(path->AsString()) == 0);
240 } 233 }
241 234
242 235
243 static bool DeleteDir(char* dir_name, 236 static bool DeleteDir(char* dir_name, PathBuffer* path) {
244 PathBuffer* path) {
245 if ((strcmp(dir_name, ".") == 0) || (strcmp(dir_name, "..") == 0)) { 237 if ((strcmp(dir_name, ".") == 0) || (strcmp(dir_name, "..") == 0)) {
246 return true; 238 return true;
247 } 239 }
248 return path->Add(dir_name) && DeleteRecursively(path); 240 return path->Add(dir_name) && DeleteRecursively(path);
249 } 241 }
250 242
251 243
252 static bool DeleteRecursively(PathBuffer* path) { 244 static bool DeleteRecursively(PathBuffer* path) {
253 // Do not recurse into links for deletion. Instead delete the link. 245 // Do not recurse into links for deletion. Instead delete the link.
254 // If it's a file, delete it. 246 // If it's a file, delete it.
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after
337 Directory::ExistsResult Directory::Exists(const char* dir_name) { 329 Directory::ExistsResult Directory::Exists(const char* dir_name) {
338 struct stat entry_info; 330 struct stat entry_info;
339 int success = NO_RETRY_EXPECTED(stat(dir_name, &entry_info)); 331 int success = NO_RETRY_EXPECTED(stat(dir_name, &entry_info));
340 if (success == 0) { 332 if (success == 0) {
341 if (S_ISDIR(entry_info.st_mode)) { 333 if (S_ISDIR(entry_info.st_mode)) {
342 return EXISTS; 334 return EXISTS;
343 } else { 335 } else {
344 return DOES_NOT_EXIST; 336 return DOES_NOT_EXIST;
345 } 337 }
346 } else { 338 } else {
347 if ((errno == EACCES) || 339 if ((errno == EACCES) || (errno == EBADF) || (errno == EFAULT) ||
348 (errno == EBADF) || 340 (errno == ENOMEM) || (errno == EOVERFLOW)) {
349 (errno == EFAULT) ||
350 (errno == ENOMEM) ||
351 (errno == EOVERFLOW)) {
352 // Search permissions denied for one of the directories in the 341 // Search permissions denied for one of the directories in the
353 // path or a low level error occured. We do not know if the 342 // path or a low level error occured. We do not know if the
354 // directory exists. 343 // directory exists.
355 return UNKNOWN; 344 return UNKNOWN;
356 } 345 }
357 ASSERT((errno == ELOOP) || 346 ASSERT((errno == ELOOP) || (errno == ENAMETOOLONG) || (errno == ENOENT) ||
358 (errno == ENAMETOOLONG) ||
359 (errno == ENOENT) ||
360 (errno == ENOTDIR)); 347 (errno == ENOTDIR));
361 return DOES_NOT_EXIST; 348 return DOES_NOT_EXIST;
362 } 349 }
363 } 350 }
364 351
365 352
366 char* Directory::CurrentNoScope() { 353 char* Directory::CurrentNoScope() {
367 return getcwd(NULL, 0); 354 return getcwd(NULL, 0);
368 } 355 }
369 356
(...skipping 93 matching lines...) Expand 10 before | Expand all | Expand 10 after
463 if (exists != EXISTS) { 450 if (exists != EXISTS) {
464 return false; 451 return false;
465 } 452 }
466 return (NO_RETRY_EXPECTED(rename(path, new_path)) == 0); 453 return (NO_RETRY_EXPECTED(rename(path, new_path)) == 0);
467 } 454 }
468 455
469 } // namespace bin 456 } // namespace bin
470 } // namespace dart 457 } // namespace dart
471 458
472 #endif // defined(TARGET_OS_MACOS) 459 #endif // defined(TARGET_OS_MACOS)
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