libxbps: add xbps_find_virtualpkg_in_array_by_{name,pattern} and use it.

include/xbps_api.h

@@ -667,6 +667,29 @@ prop_dictionary_t xbps_find_pkg_in_array_by_name(prop_array_t array,
 prop_dictionary_t xbps_find_pkg_in_array_by_pattern(prop_array_t array,
 						    const char *pattern);
 
+/**
+ * Finds a virtual package dictionary in a proplib array by matching a
+ * package name.
+ *
+ * @param[in] array The proplib array where to look for.
+ * @param[in] name The virtual package name to match.
+ *
+ * @return true on success, false otherwise and errno is set appropiately.
+ */
+prop_dictionary_t xbps_find_virtualpkg_in_array_by_name(prop_array_t array,
+							const char *name);
+
+/**
+ * Finds a virtual package dictionary in a proplib array by matching a
+ * package pattern.
+ *
+ * @param[in] array The proplib array where to look for.
+ * @param[in] pattern The virtual package pattern to match.
+ *
+ * @return true on success, false otherwise and errno is set appropiately.
+ */
+prop_dictionary_t xbps_find_virtualpkg_in_array_by_pattern(prop_array_t array,
+							   const char *pattern);
 /**
  * Match a package name in the specified array of strings.
  *

lib/package_requiredby.c

@@ -168,7 +168,7 @@ xbps_requiredby_pkg_add(prop_array_t pkgs_array, prop_dictionary_t pkgd)
 			break;
 		}
 		pkgd_regpkgdb =
-		    xbps_find_pkg_in_array_by_pattern(pkgs_array, str);
+		    xbps_find_virtualpkg_in_array_by_pattern(pkgs_array, str);
 		if (pkgd_regpkgdb == NULL)
 			return EINVAL;
 

lib/plist_find.c

@@ -121,6 +121,18 @@ xbps_find_pkg_in_array_by_pattern(prop_array_t array, const char *pattern)
 	return find_pkg_in_array(array, pattern, true, false);
 }
 
+prop_dictionary_t
+xbps_find_virtualpkg_in_array_by_name(prop_array_t array, const char *name)
+{
+	return find_pkg_in_array(array, name, false, true);
+}
+
+prop_dictionary_t
+xbps_find_virtualpkg_in_array_by_pattern(prop_array_t array, const char *pattern)
+{
+	return find_pkg_in_array(array, pattern, true, true);
+}
+
 static const char *
 find_virtualpkg_user_in_conf(const char *vpkg, bool bypattern)
 {