/* $OpenBSD: ftok.c,v 1.10 2022/04/13 16:23:53 millert Exp $ */ /* * Copyright ( c ) 1994 SigmaSoft , Th . Lockert < tholo @ sigmasoft . com > * All rights reserved . * * Redistribution and use in source and binary forms , with or without * modification , are permitted provided that the following conditions * are met : * 1 . Redistributions of source code must retain the above copyright * notice , this list of conditions and the following disclaimer . * 2 . Redistributions in binary form must reproduce the above copyright * notice , this list of conditions and the following disclaimer in the * documentation and / or other materials provided with the distribution . * 3 . The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission . * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ` ` AS IS ' ' AND ANY EXPRESS OR * IMPLIED WARRANTIES , INCLUDING , BUT NOT LIMITED TO , THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED . * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT , INDIRECT , INCIDENTAL , * SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED TO , * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE , DATA , OR PROFITS ; * OR BUSINESS INTERRUPTION ) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY , * WHETHER IN CONTRACT , STRICT LIABILITY , OR TORT ( INCLUDING NEGLIGENCE OR * OTHERWISE ) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE , EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE . #include <sys/stat.h>#include <sys/ipc.h>const char *path, int id)const unsigned int u_id = id;struct stat st;if (stat(path, &st) == -1 )return (key_t)-1 ;return (key_t)0 xff) << 24 | (st.st_dev & 0 xff) << 16 | (st.st_ino & 0 xffff));
Messung V0.5 in Prozent C=82 H=98 G=90
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-28)
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