From 26a2d8ae898f5442904dd2fbf89c5fe34480ea85 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@g5.osdl.org>
Date: Tue, 12 Jul 2005 10:33:06 -0700
Subject: parse_date(): allow const date string

This is part of breaking up the tag ID patch by Eric Biederman.

diff --git a/cache.h b/cache.h
index f29afc4..f0eecb3 100644
--- a/cache.h
+++ b/cache.h
@@ -208,7 +208,7 @@ extern void *read_object_with_reference(const unsigned char *sha1,
 					unsigned char *sha1_ret);
 
 const char *show_date(unsigned long time, int timezone);
-void parse_date(char *date, char *buf, int bufsize);
+void parse_date(const char *date, char *buf, int bufsize);
 void datestamp(char *buf, int bufsize);
 
 static inline void *xmalloc(size_t size)
diff --git a/date.c b/date.c
index 8ec6d0b..b46f2ce 100644
--- a/date.c
+++ b/date.c
@@ -224,7 +224,7 @@ static int is_date(int year, int month, int day, struct tm *tm)
 	return 0;
 }
 
-static int match_multi_number(unsigned long num, char c, char *date, char *end, struct tm *tm)
+static int match_multi_number(unsigned long num, char c, const char *date, char *end, struct tm *tm)
 {
 	long num2, num3;
 
@@ -270,7 +270,7 @@ static int match_multi_number(unsigned long num, char c, char *date, char *end,
 /*
  * We've seen a digit. Time? Year? Date? 
  */
-static int match_digit(char *date, struct tm *tm, int *offset, int *tm_gmt)
+static int match_digit(const char *date, struct tm *tm, int *offset, int *tm_gmt)
 {
 	int n;
 	char *end;
@@ -361,7 +361,7 @@ static int match_digit(char *date, struct tm *tm, int *offset, int *tm_gmt)
 	return n;
 }
 
-static int match_tz(char *date, int *offp)
+static int match_tz(const char *date, int *offp)
 {
 	char *end;
 	int offset = strtoul(date+1, &end, 10);
@@ -388,7 +388,7 @@ static int match_tz(char *date, int *offp)
 
 /* Gr. strptime is crap for this; it doesn't have a way to require RFC2822
    (i.e. English) day/month names, and it doesn't work correctly with %z. */
-void parse_date(char *date, char *result, int maxlen)
+void parse_date(const char *date, char *result, int maxlen)
 {
 	struct tm tm;
 	int offset, sign, tm_gmt;
-- 
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