diff options
Diffstat (limited to 'include/env.h')
| -rw-r--r-- | include/env.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/env.h b/include/env.h index 01c3eeae7e2..9b872fb26eb 100644 --- a/include/env.h +++ b/include/env.h @@ -9,6 +9,7 @@ #ifndef __ENV_H #define __ENV_H +#include <config.h> #include <compiler.h> #include <stdbool.h> #include <linux/types.h> @@ -161,6 +162,25 @@ 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 * * Most U-Boot environment variables store hex values. For those which store |