BACKPORT: Add setenv_ulong() and setenv_addr()

It seems we put numbers and addresses into environment variables a lot.
We should have some functions to do this.

(cherry picked from commit d67f10c)

Change-Id: I922e72a7db872f26774459a6dc074a80016ef904
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/11792
Reviewed-by: Doug Anderson <dianders@chromium.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index b451f2853e..00814694ee 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -376,6 +376,36 @@ int setenv(char *varname, char *varvalue)
 		return _do_env_set(0, 3, argv);
 }
 
+/**
+ * Set an environment variable to an integer value
+ *
+ * @param varname	Environmet variable to set
+ * @param value		Value to set it to
+ * @return 0 if ok, 1 on error
+ */
+int setenv_ulong(const char *varname, ulong value)
+{
+	/* TODO: this should be unsigned */
+	char *str = simple_itoa(value);
+
+	return setenv((char *)varname, str);
+}
+
+/**
+ * Set an environment variable to an address in hex
+ *
+ * @param varname	Environmet variable to set
+ * @param addr		Value to set it to
+ * @return 0 if ok, 1 on error
+ */
+int setenv_addr(const char *varname, const void *addr)
+{
+	char str[17];
+
+	sprintf(str, "%x", (uintptr_t)addr);
+	return setenv((char *)varname, str);
+}
+
 int do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	if (argc < 2)