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A few more fixes for undo file. Split test in two parts so that it doesn't

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fail with tiny features.
This commit is contained in:
Bram Moolenaar
2010-05-30 13:26:21 +02:00
parent 9db580634c
commit 644fdff7c1
16 changed files with 163 additions and 72 deletions
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17
src/misc2.c
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@@ -6260,9 +6260,10 @@ put_time(fd, the_time)
/* time_t can be up to 8 bytes in size, more than long_u, thus we
* can't use put_bytes() here.
* Another problem is that ">>" may do an arithmetic shift that keeps the
* sign. A cast to long_u may truncate if time_t is 8 bytes. So only use
* a cast when it is 4 bytes, it's safe to assume that long_u is 4 bytes
* or more and when using 8 bytes the top bit won't be set. */
* sign. This happens for large values of wtime. A cast to long_u may
* truncate if time_t is 8 bytes. So only use a cast when it is 4 bytes,
* it's safe to assume that long_u is 4 bytes or more and when using 8
* bytes the top bit won't be set. */
for (i = 7; i >= 0; --i)
{
if (i + 1 > (int)sizeof(time_t))
@@ -6270,11 +6271,11 @@ put_time(fd, the_time)
putc(0, fd);
else
{
/* use "i" in condition to avoid compiler warning */
if (i >= 0 && sizeof(time_t) > 4)
c = wtime >> (i * 8);
else
c = (long_u)wtime >> (i * 8);
#if defined(SIZEOF_TIME_T) && SIZEOF_TIME_T > 4
c = wtime >> (i * 8);
#else
c = (long_u)wtime >> (i * 8);
#endif
putc(c, fd);
}
}