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pg_upgrade: fix CopyFile() on Windows to fail on file existence

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Also fix getErrorText() to return the right error string on failure.
This behavior now matches that of other operating systems.

Report by Noah Misch

Backpatch through 9.1
This commit is contained in:
Bruce Momjian 2015-11-24 17:18:27 -05:00
parent 0e6185283c
commit 6638c9aaf8
2 changed files with 3 additions and 1 deletions
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2
contrib/pg_upgrade/file.c
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@ -37,7 +37,7 @@ copyAndUpdateFile(pageCnvCtx *pageConverter,
#ifndef WIN32
if (copy_file(src, dst, force) == -1)
#else
if (CopyFile(src, dst, force) == 0)
if (CopyFile(src, dst, !force) == 0)
#endif
return getErrorText(errno);
else

2
contrib/pg_upgrade/util.c
View File

@ -226,6 +226,8 @@ getErrorText(int errNum)
{
#ifdef WIN32
_dosmaperr(GetLastError());
/* _dosmaperr sets errno, so we copy errno here */
errNum = errno;
#endif
return pg_strdup(strerror(errNum));
}