Refs #10260 OpenBSD support #25327

runtime/bin/directory_openbsd.cc

Index: runtime/bin/directory_openbsd.cc
diff --git a/runtime/bin/directory_macos.cc b/runtime/bin/directory_openbsd.cc
similarity index 98%
copy from runtime/bin/directory_macos.cc
copy to runtime/bin/directory_openbsd.cc
index 55994aa79abdd26998d52d5f3a4de0f706bd918a..2ef33a3a7622105883ecad57470e0aec5632fe6c 100644
--- a/runtime/bin/directory_macos.cc
+++ b/runtime/bin/directory_openbsd.cc
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
-#if defined(TARGET_OS_MACOS)
+#if defined(TARGET_OS_OPENBSD)
 
 #include "bin/directory.h"
 
@@ -28,20 +28,24 @@ PathBuffer::PathBuffer() : length_(0) {
   data_ = calloc(PATH_MAX + 1,  sizeof(char));  // NOLINT
 }
 
+
 bool PathBuffer::AddW(const wchar_t* name) {
   UNREACHABLE();
   return false;
 }
 
+
 char* PathBuffer::AsString() const {
   return reinterpret_cast<char*>(data_);
 }
 
+
 wchar_t* PathBuffer::AsStringW() const {
   UNREACHABLE();
   return NULL;
 }
 
+
 bool PathBuffer::Add(const char* name) {
   char* data = AsString();
   int written = snprintf(data + length_,
@@ -51,7 +55,7 @@ bool PathBuffer::Add(const char* name) {
   data[PATH_MAX] = '\0';
   if (written <= PATH_MAX - length_ &&
       written >= 0 &&
-      static_cast<size_t>(written) == strlen(name)) {
+      static_cast<size_t>(written) == strnlen(name, PATH_MAX + 1)) {
     length_ += written;
     return true;
   } else {
@@ -60,6 +64,7 @@ bool PathBuffer::Add(const char* name) {
   }
 }
 
+
 void PathBuffer::Reset(int new_length) {
   length_ = new_length;
   AsString()[length_] = '\0';
@@ -431,4 +436,4 @@ bool Directory::Rename(const char* path, const char* new_path) {
 }  // namespace bin
 }  // namespace dart
 
-#endif  // defined(TARGET_OS_MACOS)
+#endif  // defined(TARGET_OS_OPENBSD)