construct: Add STRINGS program options type support.

construct/lgetopt.cc

@@ -99,6 +99,19 @@ parseargs(int *argc, char * const **argv, struct lgetopt *opts)
 					(*argc)--;
 					(*argv)++;
 					break;
+				case argtype::STRINGS:
+					if(*argc < 2)
+					{
+						fprintf(stderr,
+							"error: option '%c%s' requires an argument\n",
+							OPTCHAR, opts[i].opt);
+						usage(progname, opts);
+					}
+
+					((std::vector<std::string> *)opts[i].argloc)->emplace_back((*argv)[1]);
+					(*argc)--;
+					(*argv)++;
+					break;
 
 				case argtype::USAGE:
 					usage(progname, opts);

construct/lgetopt.h

@@ -27,7 +27,7 @@ struct lgetopt
 	const char *opt;	/* name of the argument */
 	void *argloc;		/* where we store the argument to it (-option argument) */
 	enum
-	{ INTEGER, YESNO, STRING, USAGE, ENDEBUG, BOOL }
+	{ INTEGER, YESNO, STRING, STRINGS, USAGE, ENDEBUG, BOOL }
 	argtype;
 	const char *desc;	/* description of the argument, usage for printing help */
 };