Subject: [PATCH 1/5] parse-options.c: introduce OPT_DATE

From: Junio C Hamano <[email-masked]>
Date: Mon, 24 Mar 2008 23:59:02 -0700

From: Michele Ballabio <[email-masked]>
Date: Mon, 24 Mar 2008 15:02:21 +0100

There are quite a few places that will need to call approxidate(),
when they'll adopt the parse-options system, so this patch adds the
function parse_opt_approxidate_cb(), used by OPT_DATE.

Signed-off-by: Michele Ballabio <[email-masked]>
Signed-off-by: Junio C Hamano <[email-masked]>
---
 parse-options.c |    7 +++++++
 parse-options.h |    4 ++++
 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/parse-options.c b/parse-options.c
index 8e64316..e87cafb 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -409,3 +409,10 @@ int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset)
 	*(int *)(opt->value) = v;
 	return 0;
 }
+
+int parse_opt_approxidate_cb(const struct option *opt, const char *arg,
+			     int unset)
+{
+	*(unsigned long *)(opt->value) = approxidate(arg);
+	return 0;
+}
diff --git a/parse-options.h b/parse-options.h
index 1af62b0..4ee443d 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -94,6 +94,9 @@ struct option {
 #define OPT_SET_PTR(s, l, v, h, p)  { OPTION_SET_PTR, (s), (l), (v), NULL, (h), 0, NULL, (p) }
 #define OPT_INTEGER(s, l, v, h)     { OPTION_INTEGER, (s), (l), (v), NULL, (h) }
 #define OPT_STRING(s, l, v, a, h)   { OPTION_STRING,  (s), (l), (v), (a), (h) }
+#define OPT_DATE(s, l, v, h) \
+	{ OPTION_CALLBACK, (s), (l), (v), "time",(h), 0, \
+	  parse_opt_approxidate_cb }
 #define OPT_CALLBACK(s, l, v, a, h, f) \
 	{ OPTION_CALLBACK, (s), (l), (v), (a), (h), 0, (f) }
 
@@ -110,6 +113,7 @@ extern NORETURN void usage_with_options(const char * const *usagestr,
 
 /*----- some often used options -----*/
 extern int parse_opt_abbrev_cb(const struct option *, const char *, int);
+extern int parse_opt_approxidate_cb(const struct option *, const char *, int);
 
 #define OPT__VERBOSE(var)  OPT_BOOLEAN('v', "verbose", (var), "be verbose")
 #define OPT__QUIET(var)    OPT_BOOLEAN('q', "quiet",   (var), "be quiet")
-- 
1.5.5.rc1.121.g1594