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BigFile/Sasquatch #1

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rboullard merged 100 commits from BigFile into Development 2026-09-01 16:32:02 +00:00
Conversation 5 Commits 100 Files Changed 207
+8 -3
1 changed files with 8 additions and 3 deletions
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Bigfoot/Sources/System/File/MemoryMappedFile.cpp
+8 -3
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@@ -148,9 +148,14 @@ WritableMemoryMappedFile::WritableMemoryMappedFile(const File& p_file, const std
m_fileDescriptor = open(path.data(), O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
CRITICAL_ASSERT(SystemAssertHandler, m_fileDescriptor != -1, "Failed to create file {}", path);
[[maybe_unused]]
const int truncateResult = ftruncate(m_fileDescriptor, static_cast<off_t>(p_size));
CRITICAL_ASSERT(SystemAssertHandler, truncateResult == 0, "Failed to size file {}", path);
struct stat fileStat {};
fstat(m_fileDescriptor, &fileStat);
if (static_cast<std::size_t>(fileStat.st_size) < p_size)
{
[[maybe_unused]]
const int truncateResult = ftruncate(m_fileDescriptor, static_cast<off_t>(p_size));
CRITICAL_ASSERT(SystemAssertHandler, truncateResult == 0, "Failed to size file {}", path);
}
void* const mapped = mmap(nullptr, m_size, PROT_READ | PROT_WRITE, MAP_SHARED, m_fileDescriptor, 0);
CRITICAL_ASSERT(SystemAssertHandler, mapped != MAP_FAILED, "Failed to map file {}", path);