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env: add env_set_runtime() helper

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env_set_runtime() is equivalent to env_set(), but does nothing when
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG is unset.

Signed-off-by: Nora Schiffer <nora.schiffer@ew.tq-group.com>
Signed-off-by: Steffen Doster <Steffen.Doster@tq-group.com>
Signed-off-by: Max Merchel <Max.Merchel@ew.tq-group.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Alexander Feilke <alexander.feilke@ew.tq-group.com>
This commit is contained in:
Nora Schiffer 2026-04-07 15:06:46 +02:00 committed by Fabio Estevam
parent c8eebe0a70
commit 9f1807e57c
1 changed files with 20 additions and 0 deletions
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20
include/env.h
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@ -9,6 +9,7 @@
#ifndef __ENV_H
#define __ENV_H
#include <config.h>
#include <compiler.h>
#include <stdbool.h>
#include <linux/types.h>
@ -160,6 +161,25 @@ bool env_get_autostart(void);
*/
int env_set(const char *varname, const char *value);
/**
* env_set_runtime() - set an environment variable if
* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG is set.
*
* This is equivalent to env_set(), but does nothing if
* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG is unset.
*
* @varname: Variable to adjust
* @value: Value to set for the variable, or NULL or "" to delete the variable
* @return 0 if OK or !CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG, 1 on error
*/
static inline int env_set_runtime(const char *varname, const char *value)
{
if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG))
return env_set(varname, value);
return 0;
}
/**
* env_get_ulong() - Return an environment variable as an integer value
*