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timestamp_t: a new data type for timestamps

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Git's source code assumes that unsigned long is at least as precise as
time_t. Which is incorrect, and causes a lot of problems, in particular
where unsigned long is only 32-bit (notably on Windows, even in 64-bit
versions).

So let's just use a more appropriate data type instead. In preparation
for this, we introduce the new `timestamp_t` data type.

By necessity, this is a very, very large patch, as it has to replace all
timestamps' data type in one go.

As we will use a data type that is not necessarily identical to `time_t`,
we need to be very careful to use `time_t` whenever we interact with the
system functions, and `timestamp_t` everywhere else.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin
2017-04-26 21:29:31 +02:00
committed by Junio C Hamano
parent cb71f8bdb5
commit dddbad728c
49 changed files with 170 additions and 158 deletions
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4
refs/files-backend.c
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@ -3237,7 +3237,7 @@ static int show_one_reflog_ent(struct strbuf *sb, each_reflog_ent_fn fn, void *c
{
struct object_id ooid, noid;
char *email_end, *message;
unsigned long timestamp;
timestamp_t timestamp;
int tz;
const char *p = sb->buf;
@ -4114,7 +4114,7 @@ struct expire_reflog_cb {
};
static int expire_reflog_ent(struct object_id *ooid, struct object_id *noid,
const char *email, unsigned long timestamp, int tz,
const char *email, timestamp_t timestamp, int tz,
const char *message, void *cb_data)
{
struct expire_reflog_cb *cb = cb_data;