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Diffstat (limited to 'third_party/git/compat/win32mmap.c')
-rw-r--r--third_party/git/compat/win32mmap.c46
1 files changed, 0 insertions, 46 deletions
diff --git a/third_party/git/compat/win32mmap.c b/third_party/git/compat/win32mmap.c
deleted file mode 100644
index 519d51f2b60a..000000000000
--- a/third_party/git/compat/win32mmap.c
+++ /dev/null
@@ -1,46 +0,0 @@
-#include "../git-compat-util.h"
-
-void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
-{
-	HANDLE osfhandle, hmap;
-	void *temp;
-	LARGE_INTEGER len;
-	uint64_t o = offset;
-	uint32_t l = o & 0xFFFFFFFF;
-	uint32_t h = (o >> 32) & 0xFFFFFFFF;
-
-	osfhandle = (HANDLE)_get_osfhandle(fd);
-	if (!GetFileSizeEx(osfhandle, &len))
-		die("mmap: could not determine filesize");
-
-	if ((length + offset) > len.QuadPart)
-		length = xsize_t(len.QuadPart - offset);
-
-	if (!(flags & MAP_PRIVATE))
-		die("Invalid usage of mmap when built with USE_WIN32_MMAP");
-
-	hmap = CreateFileMapping(osfhandle, NULL,
-		prot == PROT_READ ? PAGE_READONLY : PAGE_WRITECOPY, 0, 0, NULL);
-
-	if (!hmap) {
-		errno = EINVAL;
-		return MAP_FAILED;
-	}
-
-	temp = MapViewOfFileEx(hmap, prot == PROT_READ ?
-			FILE_MAP_READ : FILE_MAP_COPY, h, l, length, start);
-
-	if (!CloseHandle(hmap))
-		warning("unable to close file mapping handle");
-
-	if (temp)
-		return temp;
-
-	errno = GetLastError() == ERROR_COMMITMENT_LIMIT ? EFBIG : EINVAL;
-	return MAP_FAILED;
-}
-
-int git_munmap(void *start, size_t length)
-{
-	return !UnmapViewOfFile(start);
-}