diff options
Diffstat (limited to 'src/env.cpp')
| -rw-r--r-- | src/env.cpp | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/src/env.cpp b/src/env.cpp index 4f2004e2..3c73fb07 100644 --- a/src/env.cpp +++ b/src/env.cpp @@ -93,7 +93,8 @@ struct env_node_t const var_entry_t *find_entry(const wcstring &key); /* Returns the next scope to search in order, respecting the new_scope flag, or NULL if we're done. */ - env_node_t *next_scope_to_search(void); + env_node_t *next_scope_to_search(); + const env_node_t *next_scope_to_search() const; }; class variable_entry_t @@ -195,11 +196,17 @@ const var_entry_t *env_node_t::find_entry(const wcstring &key) return result; } -env_node_t *env_node_t::next_scope_to_search(void) +env_node_t *env_node_t::next_scope_to_search() { return this->new_scope ? global_env : this->next; } +const env_node_t *env_node_t::next_scope_to_search() const +{ + return this->new_scope ? global_env : this->next; +} + + /** Return the current umask value. */ @@ -1010,8 +1017,6 @@ env_var_t env_get_string(const wcstring &key, env_mode_flags_t mode) bool env_exist(const wchar_t *key, env_mode_flags_t mode) { - env_node_t *env; - CHECK(key, false); const bool has_scope = mode & (ENV_LOCAL | ENV_GLOBAL | ENV_UNIVERSAL); @@ -1037,27 +1042,21 @@ bool env_exist(const wchar_t *key, env_mode_flags_t mode) if (test_local || test_global) { - env = test_local ? top : global_env; - - while (env) + const env_node_t *env = test_local ? top : global_env; + while (env != NULL) { - var_table_t::iterator result = env->env.find(key); - + if (env == global_env && ! test_global) + { + break; + } + + var_table_t::const_iterator result = env->env.find(key); if (result != env->env.end()) { const var_entry_t &res = result->second; return res.exportv ? test_exported : test_unexported; } - - if (has_scope) - { - if (!test_global || env == global_env) break; - env = global_env; - } - else - { - env = env->next_scope_to_search(); - } + env = env->next_scope_to_search(); } } |