extern char **pty_argv; /* declared in pty.c */
/*
- * Macros to make argument handling easier.
+ * Macros to make argument handling easier. Note that because
+ * they need to call `continue', they cannot be contained in
+ * the usual do {...} while (0) wrapper to make them
+ * syntactically single statements; hence it is not legal to
+ * use one of these macros as an unbraced statement between
+ * `if' and `else'.
*/
-#define EXPECTS_ARG do { \
+#define EXPECTS_ARG { \
if (--argc <= 0) { \
err = 1; \
fprintf(stderr, "pterm: %s expects an argument\n", p); \
+ continue; \
} else \
val = *++argv; \
-} while (0)
-#define SECOND_PASS_ONLY do { \
- if (!do_everything) continue; \
-} while (0)
+}
+#define SECOND_PASS_ONLY { if (!do_everything) continue; }
/*
* TODO: