int my_symlink(const char *content, const char *linkname, myf MyFlags)
{
#ifndef HAVE_READLINK
return 0;
#else
int result;
DBUG_ENTER("my_symlink");
DBUG_PRINT("enter",("content: %s linkname: %s", content, linkname));
result= 0;
if (symlink(content, linkname))
{
result= -1;
my_errno=errno;
if (MyFlags & MY_WME)
{
char errbuf[MYSYS_STRERROR_SIZE];
my_error(EE_CANT_SYMLINK, MYF(0), linkname, content,
errno, my_strerror(errbuf, sizeof(errbuf), errno));
}
}
else if ((MyFlags & MY_SYNC_DIR) && my_sync_dir_by_file(linkname, MyFlags))
result= -1;
DBUG_RETURN(result);
#endif /* HAVE_READLINK */
}
File my_create(const char *FileName, int CreateFlags, int access_flags,
myf MyFlags)
{
int fd, rc;
DBUG_ENTER("my_create");
DBUG_PRINT("my",("Name: '%s' CreateFlags: %d AccessFlags: %d MyFlags: %d",
FileName, CreateFlags, access_flags, MyFlags));
#if !defined(NO_OPEN_3)
fd = open((char *) FileName, access_flags | O_CREAT,
CreateFlags ? CreateFlags : my_umask);
#elif defined(VMS)
fd = open((char *) FileName, access_flags | O_CREAT, 0,
"ctx=stm","ctx=bin");
#elif defined(__WIN__)
fd= my_sopen((char *) FileName, access_flags | O_CREAT | O_BINARY,
SH_DENYNO, MY_S_IREAD | MY_S_IWRITE);
#else
fd = open(FileName, access_flags);
#endif
if ((MyFlags & MY_SYNC_DIR) && (fd >=0) &&
my_sync_dir_by_file(FileName, MyFlags))
{
my_close(fd, MyFlags);
fd= -1;
}
rc= my_register_filename(fd, FileName, FILE_BY_CREATE,
EE_CANTCREATEFILE, MyFlags);
/*
my_register_filename() may fail on some platforms even if the call to
*open() above succeeds. In this case, don't leave the stale file because
callers assume the file to not exist if my_create() fails, so they don't
do any cleanups.
*/
if (unlikely(fd >= 0 && rc < 0))
{
int tmp= my_errno;
my_delete(FileName, MyFlags);
my_errno= tmp;
}
DBUG_RETURN(rc);
} /* my_create */
int my_delete(const char *name, myf MyFlags)
{
int err;
DBUG_ENTER("my_delete");
DBUG_PRINT("my",("name %s MyFlags %d", name, MyFlags));
if ((err = unlink(name)) == -1)
{
my_errno=errno;
if (MyFlags & (MY_FAE+MY_WME))
my_error(EE_DELETE,MYF(ME_BELL+ME_WAITTANG+(MyFlags & ME_NOINPUT)),
name,errno);
}
else if ((MyFlags & MY_SYNC_DIR) &&
my_sync_dir_by_file(name, MyFlags))
err= -1;
DBUG_RETURN(err);
} /* my_delete */
int my_delete(const char *name, myf MyFlags)
{
int err;
DBUG_ENTER("my_delete");
DBUG_PRINT("my",("name %s MyFlags %d", name, MyFlags));
if ((err = unlink(name)) == -1)
{
set_my_errno(errno);
if (MyFlags & (MY_FAE+MY_WME))
{
char errbuf[MYSYS_STRERROR_SIZE];
my_error(EE_DELETE, MYF(0),
name, errno, my_strerror(errbuf, sizeof(errbuf), errno));
}
}
else if ((MyFlags & MY_SYNC_DIR) &&
my_sync_dir_by_file(name, MyFlags))
err= -1;
DBUG_RETURN(err);
} /* my_delete */