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bug#7547: 24.0.50; verify-visited-file-modtime no longer returns t for n
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From: |
Andreas Schwab |
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Subject: |
bug#7547: 24.0.50; verify-visited-file-modtime no longer returns t for non-existent file |
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Date: |
Wed, 12 Jan 2011 09:45:46 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) |
Glenn Morris <rgm@gnu.org> writes:
> Andreas Schwab wrote:
>
>>> && (st.st_mtime == b->modtime + 1
>>> || st.st_mtime == b->modtime - 1)))
>>> && (st.st_size == b->modtime_size
>>> ! || b->modtime_size < 0 || st.st_mtime < 0))
>>
>> time_t may be unsigned, thus (time_t)-1 may be > 0.
>
> I don't understand this comment.
This will do the wrong thing if time_t is unsigned.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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