diff options
| -rw-r--r-- | cmd/nvedit.c | 17 | ||||
| -rw-r--r-- | cmd/pxe.c | 17 | ||||
| -rw-r--r-- | include/env.h | 10 |
3 files changed, 27 insertions, 17 deletions
diff --git a/cmd/nvedit.c b/cmd/nvedit.c index b5da375913..3420e0b985 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -682,6 +682,23 @@ char *env_get(const char *name) } /* + * Like env_get, but prints an error if envvar isn't defined in the + * environment. It always returns what env_get does, so it can be used in + * place of env_get without changing error handling otherwise. + */ +char *from_env(const char *envvar) +{ + char *ret; + + ret = env_get(envvar); + + if (!ret) + printf("missing environment variable: %s\n", envvar); + + return ret; +} + +/* * Look up variable from environment for restricted C runtime env. */ int env_get_f(const char *name, char *buf, unsigned len) @@ -37,23 +37,6 @@ const char *pxe_default_paths[] = { static bool is_pxe; -/* - * Like env_get, but prints an error if envvar isn't defined in the - * environment. It always returns what env_get does, so it can be used in - * place of env_get without changing error handling otherwise. - */ -static char *from_env(const char *envvar) -{ - char *ret; - - ret = env_get(envvar); - - if (!ret) - printf("missing environment variable: %s\n", envvar); - - return ret; -} - #ifdef CONFIG_CMD_NET /* * Convert an ethaddr from the environment to the format used by pxelinux diff --git a/include/env.h b/include/env.h index b72239f6a5..d6c2d751d6 100644 --- a/include/env.h +++ b/include/env.h @@ -113,6 +113,16 @@ int env_match(unsigned char *name, int index); */ char *env_get(const char *varname); +/* + * Like env_get, but prints an error if envvar isn't defined in the + * environment. It always returns what env_get does, so it can be used in + * place of env_get without changing error handling otherwise. + * + * @varname: Variable to look up + * @return value of variable, or NULL if not found + */ +char *from_env(const char *envvar); + /** * env_get_f() - Look up the value of an environment variable (early) * |