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Fix time modification on truncate()

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POSIX truncate specification says "Upon successful completion, if
the *file size is changed*, this function shall mark for update the
st_ctime and st_mtime fields of the file." This patch prevents
changing of the date fields when the size stays the same.
This commit is contained in:
Evgeniy Ivanov
2011-07-15 14:21:05 +00:00
committed by Thomas Veerman
parent 902e0e27e0
commit 255ae85b1e
3 changed files with 16 additions and 3 deletions
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9
test/test16.c
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@@ -204,6 +204,15 @@ void test16a()
if (unlink("T16.i1") != 0) e(84);
if (unlink("T16.j") != 0) e(85);
if (unlink("T16.k") != 0) e(86);
/* Test the times for truncate. */
if (system("echo 1 > T16.l") != 0) e(87);
stat("T16.l", &s);
get_times("T16.l", &a, &c, &m);
sleep(1);
truncate("T16.l", s.st_size);
get_times("T16.l", &ta, &tc, &tm);
if (a != ta || c != tc || m != tm) e(88);
}
void get_times(name, a, c, m)