X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Flock.c;h=d19cc646f02c48899d75626baef2b8536c1383db;hb=a720011c8a05d610c737c4e7e299b03506ce810f;hp=b23aa9028c32ff68c00196ced538938af70271e1;hpb=7adc0a65d0a3c10daca4352002baadeb76afc7e5;p=openldap diff --git a/servers/slapd/lock.c b/servers/slapd/lock.c index b23aa9028c..d19cc646f0 100644 --- a/servers/slapd/lock.c +++ b/servers/slapd/lock.c @@ -1,4 +1,28 @@ /* lock.c - routines to open and apply an advisory lock to a file */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2006 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . + */ +/* Portions Copyright (c) 1995 Regents of the University of Michigan. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that this notice is preserved and that due credit is given + * to the University of Michigan at Ann Arbor. The name of the University + * may not be used to endorse or promote products derived from this + * software without specific prior written permission. This software + * is provided ``as is'' without express or implied warranty. + */ #include "portable.h" @@ -12,31 +36,32 @@ #ifdef HAVE_SYS_FILE_H #include #endif -#include + #include "slap.h" +#include FILE * -lock_fopen( char *fname, char *type, FILE **lfp ) +lock_fopen( const char *fname, const char *type, FILE **lfp ) { FILE *fp; char buf[MAXPATHLEN]; /* open the lock file */ - strcpy( buf, fname ); - strcat( buf, ".lock" ); + snprintf( buf, sizeof buf, "%s.lock", fname ); + if ( (*lfp = fopen( buf, "w" )) == NULL ) { Debug( LDAP_DEBUG_ANY, "could not open \"%s\"\n", buf, 0, 0 ); + return( NULL ); } /* acquire the lock */ - while ( ldap_lockf( fileno(*lfp) ) != 0 ) { - ; /* NULL */ - } + ldap_lockf( fileno(*lfp) ); /* open the log file */ if ( (fp = fopen( fname, type )) == NULL ) { Debug( LDAP_DEBUG_ANY, "could not open \"%s\"\n", fname, 0, 0 ); + ldap_unlockf( fileno(*lfp) ); fclose( *lfp ); *lfp = NULL; @@ -49,9 +74,10 @@ lock_fopen( char *fname, char *type, FILE **lfp ) int lock_fclose( FILE *fp, FILE *lfp ) { + int rc = fclose( fp ); /* unlock */ ldap_unlockf( fileno(lfp) ); fclose( lfp ); - return( fclose( fp ) ); + return( rc ); }