Re: [PATCH 1/2] t0006: test timezone parsing

From: Jeff King <peff@peff.net>
Date: Jul 6, 2010, 07:54 UTC
Message-ID: <20100706075433.GD3567@sigill.intra.peff.net>
In-Reply-To: <20100706072849.GA3567@sigill.intra.peff.net>

On Tue, Jul 06, 2010 at 03:28:49AM -0400, Jeff King wrote:

Show 8 quoted lines

> > On FreeBSD 8.0, we now see this.
> > 
> >    cc1: warnings being treated as errors
> >    test-date.c: In function 'parse_dates':
> >    test-date.c:28: warning: format '%ld' expects type 'long int *', but argument 3 has type 'time_t *'
> 
> Meh. I was worried about that when I used sscanf. I think we can just do
> this:

Oh, I see this is already on maint. :) So here is my fixup in a nicer form:

-- >8 --
Subject: [PATCH] test-date: fix sscanf type conversion

Reading into a time_t isn't portable, since we don't know the exact type. Instead, use an unsigned long, which is what show_date wants, anyway.

Signed-off-by: Jeff King <peff@peff.net>
---
 test-date.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/test-date.c b/test-date.c
index ac6854a..6bcd5b0 100644
--- a/test-date.c
+++ b/test-date.c
@@ -20,12 +20,12 @@ static void parse_dates(char **argv, struct timeval *now)
 {
 	for (; *argv; argv++) {
 		char result[100];
-		time_t t;
+		unsigned long t;
 		int tz;
 
 		result[0] = 0;
 		parse_date(*argv, result, sizeof(result));
-		if (sscanf(result, "%ld %d", &t, &tz) == 2)
+		if (sscanf(result, "%lu %d", &t, &tz) == 2)
 			printf("%s -> %s\n",
 			       *argv, show_date(t, tz, DATE_ISO8601));
 		else

-- 
1.7.2.rc1.214.g5a9d0