diff options
Diffstat (limited to 'src/librc-misc.c')
| -rw-r--r-- | src/librc-misc.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/librc-misc.c b/src/librc-misc.c index bd92e584..f2ecd165 100644 --- a/src/librc-misc.c +++ b/src/librc-misc.c @@ -57,20 +57,33 @@ char *rc_xstrdup (const char *str) } librc_hidden_def(rc_xstrdup) -bool rc_is_env (const char *var, const char *val) +bool rc_env_bool (const char *var) { char *v; if (! var) return (false); - v = getenv (var); - if (! v) - return (val == NULL ? true : false); + if (! (v = getenv (var))) { + errno = ENOENT; + return (false); + } + + if (strcasecmp (var, "true") == 0 || + strcasecmp (var, "y") == 0 || + strcasecmp (var, "yes") == 0 || + strcasecmp (var, "1") == 0) + return (true); + + if (strcasecmp (var, "false") != 0 && + strcasecmp (var, "n") != 0 && + strcasecmp (var, "no") != 0 && + strcasecmp (var, "0") != 0) + errno = EINVAL; - return (strcasecmp (v, val) == 0 ? true : false); + return (false); } -librc_hidden_def(rc_is_env) +librc_hidden_def(rc_env_bool) char *rc_strcatpaths (const char *path1, const char *paths, ...) { |