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executable_wrapper.h
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55 lines (48 loc) · 1.48 KB
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#ifndef TOOLS_EXECUTABLE_WRAPPER_H_
#define TOOLS_EXECUTABLE_WRAPPER_H_
// TODO(joyeecheung): reuse this in mksnapshot.
#include "uv.h"
#ifdef _WIN32
#include <windows.h>
#endif
namespace node {
#ifdef _WIN32
using argv_type = wchar_t*;
#define NODE_MAIN int wmain
void FixupMain(int argc, argv_type raw_argv[], char*** argv) {
// Convert argv to UTF8.
*argv = new char*[argc + 1];
for (int i = 0; i < argc; i++) {
// Compute the size of the required buffer
DWORD size = WideCharToMultiByte(
CP_UTF8, 0, raw_argv[i], -1, nullptr, 0, nullptr, nullptr);
if (size == 0) {
// This should never happen.
fprintf(stderr, "Could not convert arguments to utf8.");
exit(1);
}
// Do the actual conversion
(*argv)[i] = new char[size];
DWORD result = WideCharToMultiByte(
CP_UTF8, 0, raw_argv[i], -1, (*argv)[i], size, nullptr, nullptr);
if (result == 0) {
// This should never happen.
fprintf(stderr, "Could not convert arguments to utf8.");
exit(1);
}
}
(*argv)[argc] = nullptr;
}
#else
using argv_type = char*;
#define NODE_MAIN int main
void FixupMain(int argc, argv_type raw_argv[], char*** argv) {
*argv = uv_setup_args(argc, raw_argv);
// Disable stdio buffering, it interacts poorly with printf()
// calls elsewhere in the program (e.g., any logging from V8.)
setvbuf(stdout, nullptr, _IONBF, 0);
setvbuf(stderr, nullptr, _IONBF, 0);
}
#endif
} // namespace node
#endif // TOOLS_EXECUTABLE_WRAPPER_H_