posix: add tempfile()

1 files changed, 0 insertions, 45 deletions

diff --git a/nihil.posix/getenv.cc b/nihil.posix/getenv.cc
deleted file mode 100644
index 36df950..0000000
--- a/nihil.posix/getenv.cc
+++ /dev/null
@@ -1,45 +0,0 @@
-
-/*
- * This source code is released into the public domain.
- */
-
-module;
-
-#include <cstdint>
-#include <expected>
-#include <string>
-#include <system_error>
-#include <vector>
-
-#include <unistd.h>
-
-module nihil.posix;
-
-import nihil.error;
-
-namespace nihil {
-
-auto getenv(std::string_view varname) -> std::expected<std::string, error>
-{
-	// Start with a buffer of this size, and double it every iteration.
-	constexpr auto bufinc = std::size_t{1024};
-
-	auto cvarname = std::string(varname);
-	auto buf = std::vector<char>(bufinc);
-	for (;;) {
-		auto const ret = ::getenv_r(cvarname.c_str(),
-					    buf.data(), buf.size());
-
-		if (ret == 0)
-			return {std::string(buf.data())};
-
-		if (ret == -1 && errno == ERANGE) {
-			buf.resize(buf.size() * 2);
-			continue;
-		}
-
-		return std::unexpected(error(std::errc(errno)));
-	}
-}
-
-} // namespace nihil