X-Git-Url: https://sfsrealm.hopto.org/projects/gitweb.cgi?p=SFmpqapi.git;a=blobdiff_plain;f=SFUtil.cpp;fp=SFUtil.cpp;h=76d2228e351497b8943485382c340e84bdafc809;hp=0000000000000000000000000000000000000000;hb=7214af3eb69acdaef221c1846157ed07438bd0c1;hpb=1c63ef2a5d9f881e1006c4c674a81cebd9596c5e

diff --git a/SFUtil.cpp b/SFUtil.cpp
new file mode 100644
index 0000000..76d2228
--- /dev/null
+++ b/SFUtil.cpp
@@ -0,0 +1,96 @@
+// License information for this code is in license.txt
+
+#include <windows.h>
+#include <stdlib.h>
+#include "SFTypes.h"
+
+void WINAPI SFMemZero(LPVOID lpvDestination, DWORD dwLength)
+{
+	DWORD dwPrevLen = dwLength;
+	LPDWORD lpdwDestination = (LPDWORD)lpvDestination;
+	LPBYTE lpbyDestination;
+
+	dwLength >>= 2;
+
+	while (dwLength--)
+		*lpdwDestination++ = 0;
+
+	lpbyDestination = (LPBYTE)lpdwDestination;
+
+	dwLength = dwPrevLen;
+	dwLength &= 3;
+
+	while (dwLength--)
+		*lpbyDestination++ = 0;
+}
+
+LPVOID WINAPI SFAlloc(DWORD dwSize)
+{
+	LPVOID lpMemory = malloc(dwSize);
+	if (lpMemory) SFMemZero(lpMemory,dwSize);
+	return lpMemory;
+}
+
+void WINAPI SFFree(LPVOID lpvMemory)
+{
+	if (lpvMemory) free(lpvMemory);
+}
+
+Int64 SFGetFileSize(HANDLE hFile)
+{
+	IntConv FileSize;
+
+	FileSize.ui64 = 0;
+
+	FileSize.ui32[0] = ::GetFileSize(hFile, &FileSize.ui32[1]);
+
+	if (FileSize.ui32[0] == INVALID_FILE_SIZE) {
+		if (::GetLastError() != NO_ERROR)
+			return -1;
+	}
+
+	return FileSize.i64;
+}
+
+Int64 SFSetFilePointer(HANDLE hFile, Int64 nDistance, UInt32 dwMoveMethod)
+{
+	IntConv FilePos;
+
+	FilePos.i64 = nDistance;
+
+	FilePos.i32[0] = ::SetFilePointer(hFile, FilePos.i32[0], &FilePos.i32[1], dwMoveMethod);
+
+	if (FilePos.i32[0] == INVALID_SET_FILE_POINTER) {
+		if (::GetLastError() != NO_ERROR)
+			return -1;
+	}
+
+	return FilePos.i64;
+}
+
+size_t strlnlen(const char *strline)
+{
+	if (strline==0) return 0;
+	const char *strcr = strchr(strline,'\r');
+	const char *strlf = strchr(strline,'\n');
+	if (strcr==0 && strlf==0) return strlen(strline);
+	if (strcr!=0 && (strcr<strlf || strlf==0)) return strcr-strline;
+	if (strlf!=0 && (strlf<strcr || strcr==0)) return strlf-strline;
+	return strlen(strline);
+}
+
+char *nextline(const char *strline)
+{
+	if (strline==0) return 0;
+	const char *strcr = strchr(strline,'\r');
+	const char *strlf = strchr(strline,'\n');
+	if (strcr==0 && strlf==0) return 0;
+	const char *streol;
+	if (strcr!=0 && (strcr<strlf || strlf==0)) streol = strcr;
+	if (strlf!=0 && (strlf<strcr || strcr==0)) streol = strlf;
+	do {
+		streol++;
+	} while (streol[0]=='\r' || streol[0]=='\n');
+	if (streol[0]==0) return 0;
+	return (char *)streol;
+}