redoxer.sh

+#!/usr/bin/env bash
+
+set -e
+
+if ! which redoxer
+then
+    cargo install redoxer
+fi
+
+if [ ! -d "$HOME/.redoxer/toolchain" ]
+then
+    redoxer toolchain
+fi
+
+export CARGOFLAGS=""
+export CARGO_TEST="redoxer"
+export TEST_RUNNER="redoxer exec --folder . --"
+redoxer env make "$@"

rust-toolchain

-nightly-2018-06-19

rust-toolchain.toml

+[toolchain]
+channel = "nightly-2025-01-12"
+components = ["rust-src"]

src/c/fcntl.c

-#include <stdarg.h>
-#include <sys/types.h>
-
-int sys_open(const char* filename, int flags, mode_t mode);
-
-int open(const char* filename, int flags, ...) {
-    mode_t mode = 0;
-    va_list ap;
-    va_start(ap, flags);
-    mode = va_arg(ap, mode_t);
-    va_end(ap);
-    return sys_open(filename, flags, mode);
-}
-
-int sys_fcntl(int fildes, int cmd, int args);
-
-int fcntl(int fildes, int cmd, ...) {
-    int args = 0;
-    va_list ap;
-    va_start(ap, cmd);
-    args = va_arg(ap, int);
-    va_end(ap);
-    return sys_fcntl(fildes, cmd, args);
-}