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don't pollute search path with empty names

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This commit is contained in:
David Rose 2004-10-22 18:49:00 +00:00
parent 31bfe77f1d
commit df6f1ca597
1 changed files with 6 additions and 2 deletions
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4
dtool/src/prc/configPageManager.cxx
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@ -108,9 +108,11 @@ reload_implicit_pages() {
ConfigDeclaration::extract_words(prc_dir_envvars, prc_dir_envvar_list);
for (size_t i = 0; i < prc_dir_envvar_list.size(); i++) {
string prc_dir = ExecutionEnvironment::get_environment_variable(prc_dir_envvar_list[i]);
if (!prc_dir.empty()) {
_search_path.append_directory(Filename::from_os_specific(prc_dir));
}
}
}
// PRC_PATH_ENVVARS lists one or more environment variables separated
// by spaces. Pull them out, and then each one of those contains a
@ -122,9 +124,11 @@ reload_implicit_pages() {
ConfigDeclaration::extract_words(prc_path_envvars, prc_path_envvar_list);
for (size_t i = 0; i < prc_path_envvar_list.size(); i++) {
string prc_path = ExecutionEnvironment::get_environment_variable(prc_path_envvar_list[i]);
if (!prc_path.empty()) {
_search_path.append_path(prc_path);
}
}
}
if (_search_path.is_empty()) {
// If nothing's on the search path (PRC_DIR and PRC_PATH were not