#include <cctype>
#include <cstdio>
#include <cstring>
+#ifdef __APPLE__
+#include <unistd.h>
+#endif
namespace {
using llvm::StringRef;
#ifdef LLVM_ON_WIN32
// C:
- if (path.size() >= 2 && std::isalpha(path[0]) && path[1] == ':')
+ if (path.size() >= 2 && std::isalpha(static_cast<unsigned char>(path[0])) &&
+ path[1] == ':')
return path.substr(0, 2);
#endif
void system_temp_directory(bool erasedOnReboot, SmallVectorImpl<char> &result) {
result.clear();
+#ifdef __APPLE__
+ // On Darwin, use DARWIN_USER_TEMP_DIR or DARWIN_USER_CACHE_DIR.
+ int ConfName = erasedOnReboot? _CS_DARWIN_USER_TEMP_DIR
+ : _CS_DARWIN_USER_CACHE_DIR;
+ size_t ConfLen = confstr(ConfName, 0, 0);
+ if (ConfLen > 0) {
+ do {
+ result.resize(ConfLen);
+ ConfLen = confstr(ConfName, result.data(), result.size());
+ } while (ConfLen > 0 && ConfLen != result.size());
+
+ if (ConfLen > 0) {
+ assert(result.back() == 0);
+ result.pop_back();
+ return;
+ }
+
+ result.clear();
+ }
+#endif
+
// Check whether the temporary directory is specified by an environment
// variable.
const char *EnvironmentVariable;
case '\177':
if (magic[1] == 'E' && magic[2] == 'L' && magic[3] == 'F') {
- if (magic.size() >= 18 && magic[17] == 0)
- switch (magic[16]) {
+ bool Data2MSB = magic[5] == 2;
+ unsigned high = Data2MSB ? 16 : 17;
+ unsigned low = Data2MSB ? 17 : 16;
+ if (magic.size() >= 18 && magic[high] == 0)
+ switch (magic[low]) {
default: break;
case 1: return file_magic::elf_relocatable;
case 2: return file_magic::elf_executable;