From owner-svn-src-stable@FreeBSD.ORG Mon Jan 16 05:22:19 2012 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8031D106566C; Mon, 16 Jan 2012 05:22:19 +0000 (UTC) (envelope-from kevlo@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 6D95B8FC18; Mon, 16 Jan 2012 05:22:19 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q0G5MJBY017279; Mon, 16 Jan 2012 05:22:19 GMT (envelope-from kevlo@svn.freebsd.org) Received: (from kevlo@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q0G5MJfD017275; Mon, 16 Jan 2012 05:22:19 GMT (envelope-from kevlo@svn.freebsd.org) Message-Id: <201201160522.q0G5MJfD017275@svn.freebsd.org> From: Kevin Lo Date: Mon, 16 Jan 2012 05:22:19 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r230197 - stable/9/sys/fs/ntfs X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Jan 2012 05:22:19 -0000 Author: kevlo Date: Mon Jan 16 05:22:18 2012 New Revision: 230197 URL: http://svn.freebsd.org/changeset/base/230197 Log: MFC r228864: Discard local array based on return values. Pointed out by: uqs Found with: Coverity Prevent(tm) CID: 10089 MFC 228023: Add unicode support to ntfs Obtained from: imura Modified: stable/9/sys/fs/ntfs/ntfs_subr.c stable/9/sys/fs/ntfs/ntfs_subr.h stable/9/sys/fs/ntfs/ntfs_vnops.c Modified: stable/9/sys/fs/ntfs/ntfs_subr.c ============================================================================== --- stable/9/sys/fs/ntfs/ntfs_subr.c Mon Jan 16 05:15:13 2012 (r230196) +++ stable/9/sys/fs/ntfs/ntfs_subr.c Mon Jan 16 05:22:18 2012 (r230197) @@ -667,23 +667,18 @@ ntfs_uastricmp(ntmp, ustr, ustrlen, astr const char *astr; size_t astrlen; { - int len; + const char *astrp = astr; + char tmpbuf[5]; + int len, res; size_t i, j, mbstrlen = astrlen; - int res; - wchar wc; if (ntmp->ntm_ic_l2u) { - for (i = 0, j = 0; i < ustrlen && j < astrlen; i++, j++) { - if (j < astrlen -1) { - wc = (wchar)astr[j]<<8 | (astr[j+1]&0xFF); - len = 2; - } else { - wc = (wchar)astr[j]<<8 & 0xFF00; - len = 1; - } + for (i = 0, j = 0; i < ustrlen && j < astrlen; i++) { + len = 4; res = ((int) NTFS_TOUPPER(ustr[i])) - - ((int)NTFS_TOUPPER(NTFS_82U(wc, &len))); - j += len - 1; + ((int)NTFS_TOUPPER(NTFS_82U(astrp, &len))); + astrp += len; + j += len; mbstrlen -= len - 1; if (res) @@ -696,7 +691,8 @@ ntfs_uastricmp(ntmp, ustr, ustrlen, astr */ for (i = 0; i < ustrlen && i < astrlen; i++) { res = ((int) NTFS_TOUPPER(NTFS_82U(NTFS_U28(ustr[i]), &len))) - - ((int)NTFS_TOUPPER(NTFS_82U((wchar)astr[i], &len))); + ((int)NTFS_TOUPPER(NTFS_82U(astrp, &len))); + astrp++; if (res) return res; } @@ -715,23 +711,18 @@ ntfs_uastrcmp(ntmp, ustr, ustrlen, astr, const char *astr; size_t astrlen; { - char u, l; + char *c, tmpbuf[5]; size_t i, j, mbstrlen = astrlen; int res; - wchar wc; - for (i = 0, j = 0; (i < ustrlen) && (j < astrlen); i++, j++) { - res = 0; - wc = NTFS_U28(ustr[i]); - u = (char)(wc>>8); - l = (char)wc; - if (u != '\0' && j < astrlen -1) { - res = (int) (u - astr[j++]); + for (i = 0, j = 0; (i < ustrlen) && (j < astrlen); i++, mbstrlen++) { + c = NTFS_U28(ustr[i]); + while (*c != '\0') { + res = (int) (*c++ - astr[j++]); + if (res) + return res; mbstrlen--; } - res = (res<<8) + (int) (l - astr[j]); - if (res) - return res; } return (ustrlen - mbstrlen); } @@ -2135,50 +2126,48 @@ ntfs_82u_uninit(struct ntfsmount *ntmp) } /* - * maps the Unicode char to 8bit equivalent - * XXX currently only gets lower 8bit from the Unicode char - * and substitutes a '_' for it if the result would be '\0'; - * something better has to be definitely though out + * maps the Unicode char to local character */ -wchar +char * ntfs_u28( + char *outbuf, struct ntfsmount *ntmp, wchar wc) { - char *p, *outp, inbuf[3], outbuf[3]; + char *p, *outp, inbuf[3]; size_t ilen, olen; + outp = outbuf; if (ntfs_iconv && ntmp->ntm_ic_u2l) { - ilen = olen = 2; + ilen = 2; + olen = 4; inbuf[0] = (char)(wc>>8); inbuf[1] = (char)wc; inbuf[2] = '\0'; p = inbuf; - outp = outbuf; ntfs_iconv->convchr(ntmp->ntm_ic_u2l, (const char **)&p, &ilen, &outp, &olen); - if (olen == 1) { - return ((wchar)(outbuf[0]&0xFF)); - } else if (olen == 0) { - return ((wchar)((outbuf[0]<<8) | (outbuf[1]&0xFF))); - } - return ('?'); + if (olen == 4) + *outp++ = '?'; + *outp = '\0'; + outp = outbuf; + return (outp); } p = ntmp->ntm_u28[(wc>>8)&0xFF]; - if (p == NULL) - return ('_'); - return (p[wc&0xFF]&0xFF); + outbuf[0] = (p == NULL) ? '_' : p[wc&0xFF] & 0xFF; + outbuf[1] = '\0'; + return (outp); } wchar ntfs_82u( struct ntfsmount *ntmp, - wchar wc, + const char *c, int *len) { - char *p, *outp, inbuf[3], outbuf[3]; + char *outp, outbuf[3]; wchar uc; size_t ilen, olen; @@ -2186,13 +2175,8 @@ ntfs_82u( ilen = (size_t)*len; olen = 2; - inbuf[0] = (char)(wc>>8); - inbuf[1] = (char)wc; - inbuf[2] = '\0'; - p = inbuf; outp = outbuf; - ntfs_iconv->convchr(ntmp->ntm_ic_l2u, (const char **)&p, &ilen, - &outp, &olen); + ntfs_iconv->convchr(ntmp->ntm_ic_l2u, &c, &ilen, &outp, &olen); *len -= (int)ilen; uc = (wchar)((outbuf[0]<<8) | (outbuf[1]&0xFF)); @@ -2200,7 +2184,7 @@ ntfs_82u( } if (ntmp->ntm_82u != NULL) - return (ntmp->ntm_82u[wc&0xFF]); + return (ntmp->ntm_82u[*c&0xFF]); return ('?'); } Modified: stable/9/sys/fs/ntfs/ntfs_subr.h ============================================================================== --- stable/9/sys/fs/ntfs/ntfs_subr.h Mon Jan 16 05:15:13 2012 (r230196) +++ stable/9/sys/fs/ntfs/ntfs_subr.h Mon Jan 16 05:22:18 2012 (r230197) @@ -112,9 +112,9 @@ int ntfs_u28_init(struct ntfsmount *ntmp int ntfs_u28_uninit(struct ntfsmount *ntmp); int ntfs_82u_init(struct ntfsmount *ntmp, char *cs_local, char *cs_ntfs); int ntfs_82u_uninit(struct ntfsmount *ntmp); -wchar ntfs_u28(struct ntfsmount *ntmp, wchar wc); -wchar ntfs_82u(struct ntfsmount *ntmp, wchar wc, int *len); -#define NTFS_U28(ch) ntfs_u28(ntmp, (ch)) +char * ntfs_u28(char *outbuf, struct ntfsmount *ntmp, wchar wc); +wchar ntfs_82u(struct ntfsmount *ntmp, const char *c, int *len); +#define NTFS_U28(ch) ntfs_u28(tmpbuf, ntmp, (ch)) #define NTFS_82U(ch, len) ntfs_82u(ntmp, (ch), len) #define NTFS_UASTRCMP(ustr, ustrlen, astr, astrlen) \ ntfs_uastrcmp(ntmp, (ustr), (ustrlen), (astr), (astrlen)) Modified: stable/9/sys/fs/ntfs/ntfs_vnops.c ============================================================================== --- stable/9/sys/fs/ntfs/ntfs_vnops.c Mon Jan 16 05:15:13 2012 (r230196) +++ stable/9/sys/fs/ntfs/ntfs_vnops.c Mon Jan 16 05:22:18 2012 (r230197) @@ -481,7 +481,7 @@ ntfs_readdir(ap) struct uio *uio = ap->a_uio; struct ntfsmount *ntmp = ip->i_mp; int i, j, error = 0; - wchar c; + char *c, tmpbuf[5]; u_int32_t faked = 0, num; int ncookies = 0; struct dirent cde; @@ -538,11 +538,10 @@ ntfs_readdir(ap) if(!ntfs_isnamepermitted(ntmp,iep)) continue; - for(i=0, j=0; iie_fnamelen; i++, j++) { + for(i=0, j=0; iie_fnamelen; i++) { c = NTFS_U28(iep->ie_fname[i]); - if (c&0xFF00) - cde.d_name[j++] = (char)(c>>8); - cde.d_name[j] = (char)c&0xFF; + while (*c != '\0') + cde.d_name[j++] = *c++; } cde.d_name[j] = '\0'; dprintf(("ntfs_readdir: elem: %d, fname:[%s] type: %d, flag: %d, ",