mca/base: add yes/no as valid values for boolean variables

This commit expands the set of accepted values for boolean values to
include yes/no as synonyms for 1/0.

Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>

opal/mca/base/mca_base_var_enum.c

@@ -58,13 +58,16 @@ static int mca_base_var_enum_bool_vfs (mca_base_var_enum_t *self, const char *st
     char *tmp;
     int v;
 
+    /* skip whitespace */
+    string_value += strspn (string_value, " \t\n\v\f\r");
+
     v = strtol (string_value, &tmp, 10);
     if (*tmp != '\0') {
         if (0 == strcmp (string_value, "true") || 0 == strcmp (string_value, "t") ||
-            0 == strcmp (string_value, "enabled")) {
+            0 == strcmp (string_value, "enabled") || 0 == strcmp (string_value, "yes")) {
             v = 1;
         } else if (0 == strcmp (string_value, "false") || 0 == strcmp (string_value, "f") ||
-                   0 == strcmp (string_value, "disabled")) {
+                   0 == strcmp (string_value, "disabled") || 0 == strcmp (string_value, "no")) {
             v = 0;
         } else {
             return OPAL_ERR_VALUE_OUT_OF_BOUNDS;
@@ -88,7 +91,7 @@ static int mca_base_var_enum_bool_sfv (mca_base_var_enum_t *self, const int valu
 
 static int mca_base_var_enum_bool_dump (mca_base_var_enum_t *self, char **out)
 {
-    *out = strdup ("0: f|false|disabled, 1: t|true|enabled");
+    *out = strdup ("0: f|false|disabled|no, 1: t|true|enabled|yes");
     return *out ? OPAL_SUCCESS : OPAL_ERR_OUT_OF_RESOURCE;
 }
 

opal/mca/base/mca_base_var_enum.h

@@ -166,4 +166,15 @@ OPAL_DECLSPEC OBJ_CLASS_DECLARATION(mca_base_var_enum_t);
 OPAL_DECLSPEC int mca_base_var_enum_create (const char *name, const mca_base_var_enum_value_t values[],
                                             mca_base_var_enum_t **enumerator);
 
+/* standard enumerators. it is invalid to call OBJ_RELEASE on any of these enumerators */
+/**
+ * Boolean enumerator
+ *
+ * This enumerator maps:
+ *   positive integer, true, yes, enabled, t -> 1
+ *   0, false, no, disabled, f -> 0
+ */
+extern mca_base_var_enum_t mca_base_var_enum_bool;
+
+
 #endif /* !defined(MCA_BASE_VAR_ENUM_H) */

opal/mca/base/mca_base_vari.h

@@ -73,8 +73,6 @@ extern const char *var_type_names[];
 extern const size_t var_type_sizes[];
 extern bool mca_base_var_initialized;
 
-extern mca_base_var_enum_t mca_base_var_enum_bool;
-
 /**
  * \internal
  *