Merge "Add a working Windows tmpfile(3) to fastboot."
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 0f9d03a..0de1def 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -416,6 +416,35 @@
return data;
}
+#if defined(_WIN32)
+
+// TODO: move this to somewhere it can be shared.
+
+#include <windows.h>
+
+// Windows' tmpfile(3) requires administrator rights because
+// it creates temporary files in the root directory.
+static FILE* win32_tmpfile() {
+ char temp_path[PATH_MAX];
+ DWORD nchars = GetTempPath(sizeof(temp_path), temp_path);
+ if (nchars == 0 || nchars >= sizeof(temp_path)) {
+ fprintf(stderr, "GetTempPath failed, error %ld\n", GetLastError());
+ return nullptr;
+ }
+
+ char filename[PATH_MAX];
+ if (GetTempFileName(temp_path, "fastboot", 0, filename) == 0) {
+ fprintf(stderr, "GetTempFileName failed, error %ld\n", GetLastError());
+ return nullptr;
+ }
+
+ return fopen(filename, "w+bTD");
+}
+
+#define tmpfile win32_tmpfile
+
+#endif
+
static int unzip_to_file(ZipArchiveHandle zip, char* entry_name) {
FILE* fp = tmpfile();
if (fp == NULL) {
