#define _UTIL_H
int set_llong(char *str, long long *val);
+int set_int(char **args, int argc, int *val);
+int set_string(char **args, int argc, char **str);
+
+#define SET_INT_(suffix, command, attr) \
+static int run_##suffix(struct declaracao *dec, char **args, int argc) \
+{ \
+ int val; \
+ int r = set_int(args, argc, &val); \
+ if (r) \
+ return r; \
+ dec->attr = val; \
+ return 0; \
+} \
+static struct cmd cmd_##suffix = { \
+ .name = #command, \
+ .run = run_##suffix, \
+};
+
+#define SET_INT(attr) SET_INT_(attr, attr, attr)
+
+#define SET_STRING_(suffix, command, attr) \
+static int run_##suffix(struct declaracao *dec, char **args, int argc) \
+{ \
+ char *val; \
+ int r = set_string(args, argc, &val); \
+ if (r) \
+ return r; \
+ dec->attr = val; \
+ return 0; \
+} \
+static struct cmd cmd_##suffix = { \
+ .name = #command, \
+ .run = run_##suffix, \
+}
+
+#define SET_STRING(attr) SET_STRING_(attr, attr, attr)
+
+static inline long long reais(long long val)
+{
+ return val / 100LL;
+}
+
+/* Sempre retorna um valor positivo. */
+static inline int centavos(long long val)
+{
+ if (val > 0LL)
+ return (int) (val % 100LL);
+ else
+ return (int) (-val % 100LL);
+}
#endif