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chore: code optimization for file

This commit is contained in:
kailixu 2023-09-20 17:33:31 +08:00
parent 0800698774
commit a19cfcd587
1 changed files with 4 additions and 4 deletions
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8
source/os/src/osFile.c
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@ -456,14 +456,14 @@ int64_t taosPReadFile(TdFilePtr pFile, void *buf, int64_t count, int64_t offset)
return -1; return -1;
} }
#ifdef WINDOWS #ifdef WINDOWS
int64_t ret = 0; DWORD ret = 0;
OVERLAPPED ol = {0}; OVERLAPPED ol = {0};
ol.OffsetHigh = (uint32_t)((offset & 0xFFFFFFFF00000000LL) >> 0x20); ol.OffsetHigh = (uint32_t)((offset & 0xFFFFFFFF00000000LL) >> 0x20);
ol.Offset = (uint32_t)(offset & 0xFFFFFFFFLL); ol.Offset = (uint32_t)(offset & 0xFFFFFFFFLL);
HANDLE handle = (HANDLE)_get_osfhandle(pFile->fd); HANDLE handle = (HANDLE)_get_osfhandle(pFile->fd);
SetLastError(0); SetLastError(0);
bool result = ReadFile(handle, buf, count, &ret, &ol); BOOL result = ReadFile(handle, buf, count, &ret, &ol);
if (!result && GetLastError() != ERROR_HANDLE_EOF) { if (!result && GetLastError() != ERROR_HANDLE_EOF) {
errno = GetLastError(); errno = GetLastError();
return -1; return -1;
@ -531,14 +531,14 @@ int64_t taosPWriteFile(TdFilePtr pFile, const void *buf, int64_t count, int64_t
return 0; return 0;
} }
#ifdef WINDOWS #ifdef WINDOWS
int64_t ret = 0; DWORD ret = 0;
OVERLAPPED ol = {0}; OVERLAPPED ol = {0};
ol.OffsetHigh = (uint32_t)((offset & 0xFFFFFFFF00000000LL) >> 0x20); ol.OffsetHigh = (uint32_t)((offset & 0xFFFFFFFF00000000LL) >> 0x20);
ol.Offset = (uint32_t)(offset & 0xFFFFFFFFLL); ol.Offset = (uint32_t)(offset & 0xFFFFFFFFLL);
HANDLE handle = (HANDLE)_get_osfhandle(pFile->fd); HANDLE handle = (HANDLE)_get_osfhandle(pFile->fd);
SetLastError(0); SetLastError(0);
bool result = WriteFile(handle, buf, count, &ret, &ol); BOOL result = WriteFile(handle, buf, count, &ret, &ol);
if (!result) { if (!result) {
errno = GetLastError(); errno = GetLastError();
return -1; return -1;