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/*-------------------------------------------------------------------------
*
* copydir.c
* copies a directory
*
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* While "xcopy /e /i /q" works fine for copying directories, on Windows XP
* it requires a Window handle which prevents it from working when invoked
* as a service.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/port/copydir.c,v 1.10.4.1 2005/03/24 02:11:33 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "storage/fd.h"
#undef mkdir /* no reason to use that macro because we
* ignore the 2nd arg */
/*
* copydir: copy a directory (we only need to go one level deep)
*
* Return 0 on success, nonzero on failure.
*
* NB: do not elog(ERROR) on failure. Return to caller so it can try to
* clean up.
*/
int
copydir(char *fromdir, char *todir)
{
DIR *xldir;
struct dirent *xlde;
char fromfl[MAXPGPATH];
char tofl[MAXPGPATH];
if (mkdir(todir) != 0)
{
ereport(WARNING,
(errcode_for_file_access(),
errmsg("could not create directory \"%s\": %m", todir)));
return -1;
}
xldir = AllocateDir(fromdir);
if (xldir == NULL)
{
ereport(WARNING,
(errcode_for_file_access(),
errmsg("could not open directory \"%s\": %m", fromdir)));
return -1;
}
errno = 0;
while ((xlde = readdir(xldir)) != NULL)
{
snprintf(fromfl, MAXPGPATH, "%s/%s", fromdir, xlde->d_name);
snprintf(tofl, MAXPGPATH, "%s/%s", todir, xlde->d_name);
if (CopyFile(fromfl, tofl, TRUE) < 0)
{
ereport(WARNING,
(errcode_for_file_access(),
errmsg("could not copy file \"%s\": %m", fromfl)));
FreeDir(xldir);
return -1;
}
errno = 0;
}
#ifdef WIN32
/*
* This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but
* not in released version
*/
if (GetLastError() == ERROR_NO_MORE_FILES)
errno = 0;
#endif
if (errno)
{
ereport(WARNING,
(errcode_for_file_access(),
errmsg("could not read directory \"%s\": %m", fromdir)));
FreeDir(xldir);
return -1;
}
FreeDir(xldir);
return 0;
}
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