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[PATCH] Return proper error valud from "parse_date()"

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Right now we don't return any error value at all from parse_date(), and if
we can't parse it, we just silently leave the result buffer unchanged.

That's fine for the current user, which will always default to the current
date, but it's a crappy interface, and we might well be better off with an
error message rather than just the default date.

So let's change the thing to return a negative value if an error occurs,
and the length of the result otherwise (snprintf behaviour: if the buffer
is too small, it returns how big it _would_ have been).

[ I started looking at this in case we could support date-based revision
  names. Looks ugly. Would have to parse relative dates.. ]

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Linus Torvalds
2005-09-19 15:53:50 -07:00
committed by Junio C Hamano
parent b0391890d2
commit 2a39064c65
2 changed files with 4 additions and 4 deletions
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2
cache.h
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@ -242,7 +242,7 @@ 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(const char *date, char *buf, int bufsize);
int parse_date(const char *date, char *buf, int bufsize);
void datestamp(char *buf, int bufsize);
extern int setup_ident(void);