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Unified Diff: src/base/platform/platform-cygwin.cc

Issue 1111733002: [clang] Use -Wshorten-64-to-32 to enable warnings about 64bit to 32bit truncations. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix Win warnings. Created 5 years, 8 months ago
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Index: src/base/platform/platform-cygwin.cc
diff --git a/src/base/platform/platform-cygwin.cc b/src/base/platform/platform-cygwin.cc
index 8a767cf2964214a1b9f96cd29f2cc08960eed16e..e09fc683956ed481f5eaf3feeaf0744155a2cf4d 100644
--- a/src/base/platform/platform-cygwin.cc
+++ b/src/base/platform/platform-cygwin.cc
@@ -59,54 +59,6 @@ void* OS::Allocate(const size_t requested,
}
-class PosixMemoryMappedFile : public OS::MemoryMappedFile {
- public:
- PosixMemoryMappedFile(FILE* file, void* memory, int size)
- : file_(file), memory_(memory), size_(size) { }
- virtual ~PosixMemoryMappedFile();
- virtual void* memory() { return memory_; }
- virtual int size() { return size_; }
- private:
- FILE* file_;
- void* memory_;
- int size_;
-};
-
-
-OS::MemoryMappedFile* OS::MemoryMappedFile::open(const char* name) {
- FILE* file = fopen(name, "r+");
- if (file == NULL) return NULL;
-
- fseek(file, 0, SEEK_END);
- int size = ftell(file);
-
- void* memory =
- mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fileno(file), 0);
- return new PosixMemoryMappedFile(file, memory, size);
-}
-
-
-OS::MemoryMappedFile* OS::MemoryMappedFile::create(const char* name, int size,
- void* initial) {
- FILE* file = fopen(name, "w+");
- if (file == NULL) return NULL;
- int result = fwrite(initial, size, 1, file);
- if (result < 1) {
- fclose(file);
- return NULL;
- }
- void* memory =
- mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fileno(file), 0);
- return new PosixMemoryMappedFile(file, memory, size);
-}
-
-
-PosixMemoryMappedFile::~PosixMemoryMappedFile() {
- if (memory_) munmap(memory_, size_);
- fclose(file_);
-}
-
-
std::vector<OS::SharedLibraryAddress> OS::GetSharedLibraryAddresses() {
std::vector<SharedLibraryAddresses> result;
// This function assumes that the layout of the file is as follows:
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