diff options
Diffstat (limited to 'libsbutil/environment.c')
| -rw-r--r-- | libsbutil/environment.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/libsbutil/environment.c b/libsbutil/environment.c index b24189f..70fdb72 100644 --- a/libsbutil/environment.c +++ b/libsbutil/environment.c @@ -10,15 +10,17 @@ #include "headers.h" #include "sbutil.h" -static bool env_is_in(const char *env, const char *values[]) +static bool env_is_in(const char *env, const char *values[], bool *set) { size_t i = 0; const char *val; if (unlikely(!env)) - return false; + return (*set = false); + val = getenv(env); - if (unlikely(!val)) + *set = (val != NULL); + if (unlikely(!*set)) return false; while (values[i]) @@ -28,18 +30,28 @@ static bool env_is_in(const char *env, const char *values[]) return false; } -bool is_env_on(const char *env) +bool is_env_set_on(const char *env, bool *set) { static const char *values[] = { "1", "true", "yes", NULL, }; - return env_is_in(env, values); + return env_is_in(env, values, set); +} +bool is_env_on(const char *env) +{ + bool set; + return is_env_set_on(env, &set); } -bool is_env_off(const char *env) +bool is_env_set_off(const char *env, bool *set) { static const char *values[] = { "0", "false", "no", NULL, }; - return env_is_in(env, values); + return env_is_in(env, values, set); +} +bool is_env_off(const char *env) +{ + bool set; + return is_env_set_off(env, &set); } |