diff options
| author | Bob Beck <beck@cvs.openbsd.org> | 1997-10-12 20:29:56 +0000 |
|---|---|---|
| committer | Bob Beck <beck@cvs.openbsd.org> | 1997-10-12 20:29:56 +0000 |
| commit | 08eacca3df59e33e7e2f6e64e9b847cfb12441a4 (patch) | |
| tree | faf6e7027acf51af493e232560ffd63c4df46368 | |
| parent | 58730a8c4d7fc2396f447540a9a034d35dd7455b (diff) | |
ftruncate the lock file for supfilesrv -O before writing pid into it.
| -rw-r--r-- | usr.bin/sup/src/scm.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/usr.bin/sup/src/scm.c b/usr.bin/sup/src/scm.c index 7f1cfb9f9f1..36a1a3408d5 100644 --- a/usr.bin/sup/src/scm.c +++ b/usr.bin/sup/src/scm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: scm.c,v 1.7 1997/10/11 23:34:20 beck Exp $ */ +/* $OpenBSD: scm.c,v 1.8 1997/10/12 20:29:55 beck Exp $ */ /* * Copyright (c) 1992 Carnegie Mellon University @@ -250,7 +250,7 @@ int lock_host_file(char *lockdir) { } free(dd); if ((fd = open(lpath, O_CREAT | O_WRONLY, 0600)) < 0) { - syslog(LOG_ERR, "Couldn't open/create lock file %s!", lpath); + syslog(LOG_ERR, "Couldn't open/create lock file %s (%m)", lpath); free(lpath); return(-1); } @@ -265,9 +265,16 @@ int lock_host_file(char *lockdir) { close(fd); return(-1); } + if (ftruncate(fd, 0) < 0) { + syslog(LOG_ERR, "Couldn't ftruncate fd %d for lock file %s (%m)", + fd, lpath); + free(lpath); + close(fd); + return(-1); + } f=fdopen(fd,"w"); if (f == NULL) { - syslog(LOG_ERR, "Couldn't fopen fd %d for lock file %s!", fd, lpath); + syslog(LOG_ERR, "Couldn't fopen fd %d for lock file %s (%m)", fd, lpath); free(lpath); close(fd); return(-1); |