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-rw-r--r--tools/printinitialenv.c44
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diff --git a/tools/printinitialenv.c b/tools/printinitialenv.c
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2022
+ * Max Krummenacher, Toradex
+ *
+ * Snippets taken from tools/env/fw_env.c
+ *
+ * This prints the list of default environment variables as currently
+ * configured.
+ *
+ */
+
+#include <stdio.h>
+
+/* Pull in the current config to define the default environment */
+#include <linux/kconfig.h>
+
+#ifndef __ASSEMBLY__
+#define __ASSEMBLY__ /* get only #defines from config.h */
+#include <config.h>
+#undef __ASSEMBLY__
+#else
+#include <config.h>
+#endif
+
+#define DEFAULT_ENV_INSTANCE_STATIC
+#include <generated/environment.h>
+#include <env_default.h>
+
+int main(void)
+{
+ char *env, *nxt;
+
+ for (env = default_environment; *env; env = nxt + 1) {
+ for (nxt = env; *nxt; ++nxt) {
+ if (nxt >= &default_environment[sizeof(default_environment)]) {
+ fprintf(stderr, "## Error: environment not terminated\n");
+ return -1;
+ }
+ }
+ printf("%s\n", env);
+ }
+ return 0;
+}