1 //===-- BitWriter.cpp -----------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm-c/BitWriter.h"
11 #include "llvm/Bitcode/ReaderWriter.h"
12 #include "llvm/Support/raw_ostream.h"
13 using namespace llvm;
14 
15 
16 /*===-- Operations on modules ---------------------------------------------===*/
17 
18 int LLVMWriteBitcodeToFile(LLVMModuleRef M, const char *Path) {
19   std::string ErrorInfo;
20   raw_fd_ostream OS(Path, ErrorInfo,
21                     raw_fd_ostream::F_Force|raw_fd_ostream::F_Binary);
22 
23   if (!ErrorInfo.empty())
24     return -1;
25 
26   WriteBitcodeToFile(unwrap(M), OS);
27   return 0;
28 }
29 
30 #if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR >= 4)
31 #include <ext/stdio_filebuf.h>
32 
33 int LLVMWriteBitcodeToFileHandle(LLVMModuleRef M, int FileHandle) {
34   raw_fd_ostream OS(FileHandle, false);
35 
36   WriteBitcodeToFile(unwrap(M), OS);
37   return 0;
38 }
39 
40 #else
41 
42 int LLVMWriteBitcodeToFileHandle(LLVMModuleRef M, int FileHandle) {
43   return -1; // Not supported.
44 }
45 
46 #endif
47