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- unlink the warmstart file first and then open it exclusively. 

(From Brian Ginsbach)
- ifdef the whole file #ifdef WARMSTART to save space.
This commit is contained in:
christos 2007-10-12 21:24:01 +00:00
parent 0256cc1d6a
commit 019362ec2a
1 changed files with 5 additions and 2 deletions
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7
usr.sbin/rpcbind/warmstart.c
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@ -55,6 +55,7 @@
/*
* XXX this code is unsafe and is not used. It should be made safe.
*/
#ifdef WARMSTART
/* These files keep the pmap_list and rpcb_list in XDR format */
@ -73,8 +74,9 @@ write_struct(const char *filename, xdrproc_t structproc, void *list)
int fd;
XDR xdrs;
fd = open(filename, O_RDWR|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR);
if (fd == -1 || (fp = fdopen(fd, "r+")) == NULL) {
(void)unlink(filename);
fd = open(filename, O_WRONLY|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR);
if (fd == -1 || (fp = fdopen(fd, "w")) == NULL) {
syslog(LOG_ERR, "Cannot open `%s' (%m)", filename);
syslog(LOG_ERR, "Cannot save any registration");
return FALSE;
@ -164,3 +166,4 @@ read_warmstart(void)
list_pml = tmp_pmapl;
#endif
}
#endif