Module Name: src Committed By: dholland Date: Mon Jan 30 06:02:12 UTC 2012
Modified Files: src/usr.bin/quota: quotautil.c Log Message: Don't strlcpy from a string buffer to itself; the behavior is not defined. To generate a diff of this commit: cvs rdiff -u -r1.4 -r1.5 src/usr.bin/quota/quotautil.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/usr.bin/quota/quotautil.c diff -u src/usr.bin/quota/quotautil.c:1.4 src/usr.bin/quota/quotautil.c:1.5 --- src/usr.bin/quota/quotautil.c:1.4 Wed Jan 25 01:24:07 2012 +++ src/usr.bin/quota/quotautil.c Mon Jan 30 06:02:12 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: quotautil.c,v 1.4 2012/01/25 01:24:07 dholland Exp $ */ +/* $NetBSD: quotautil.c,v 1.5 2012/01/30 06:02:12 dholland Exp $ */ /* * Copyright (c) 1980, 1990, 1993 @@ -42,7 +42,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 19 #if 0 static char sccsid[] = "@(#)quota.c 8.4 (Berkeley) 4/28/95"; #else -__RCSID("$NetBSD: quotautil.c,v 1.4 2012/01/25 01:24:07 dholland Exp $"); +__RCSID("$NetBSD: quotautil.c,v 1.5 2012/01/30 06:02:12 dholland Exp $"); #endif #endif /* not lint */ @@ -76,6 +76,7 @@ hasquota(char *buf, size_t len, struct f char *opt; char *cp = NULL; static char initname, usrname[100], grpname[100]; + char optbuf[256]; if (!initname) { (void)snprintf(usrname, sizeof(usrname), "%s%s", @@ -84,8 +85,8 @@ hasquota(char *buf, size_t len, struct f qfextension[GRPQUOTA], qfname); initname = 1; } - strlcpy(buf, fs->fs_mntops, len); - for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) { + strlcpy(optbuf, fs->fs_mntops, sizeof(optbuf)); + for (opt = strtok(optbuf, ","); opt; opt = strtok(NULL, ",")) { if ((cp = strchr(opt, '=')) != NULL) *cp++ = '\0'; if (type == USRQUOTA && strcmp(opt, usrname) == 0)