Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
lib.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/lib.c b/lib.c
index 992fdb49a..5fda4b029 100644
--- a/lib.c
+++ b/lib.c
@@ -509,6 +509,25 @@ static int handle_simple_switch(const char *arg, const struct flag *flags)
return 0;
}
+#define OPT_NUMERIC(NAME, TYPE, FUNCTION) \
+static int opt_##NAME(char *arg, const char *name, TYPE *ptr) \
+{ \
+ char *opt; \
+ char *end; \
+ TYPE val; \
+ \
+ if (!(opt = match_option(arg, name+2))) \
+ return 0; \
+ opt++; /* opt's last char is '=' */ \
+ val = FUNCTION(opt, &end, 0); \
+ if (*end != '\0' || end == opt) { \
+ die("error: missing argument to \"%s\"", name); \
+ } \
+ *ptr = val; \
+ return 1; \
+}
+
+
static char **handle_switch_o(char *arg, char **next)
{
if (!strcmp (arg, "o")) { // "-o foo"
--
2.14.0
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