| /* $NetBSD: vis.c,v 1.60 2013/02/21 16:21:20 joerg Exp $ */ |
| |
| /*- |
| * Copyright (c) 1989, 1993 |
| * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. |
| */ |
| |
| /*- |
| * Copyright (c) 1999, 2005 The NetBSD Foundation, Inc. |
| * 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| * ``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 FOUNDATION OR CONTRIBUTORS |
| * 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 "config.h" |
| |
| #if defined(LIBC_SCCS) && !defined(lint) |
| __RCSID("$NetBSD: vis.c,v 1.60 2013/02/21 16:21:20 joerg Exp $"); |
| #endif /* LIBC_SCCS and not lint */ |
| #ifdef __FBSDID |
| __FBSDID("$FreeBSD$"); |
| #endif |
| |
| #include <sys/types.h> |
| #include <sys/param.h> |
| |
| #include <stdint.h> |
| #include <assert.h> |
| #include <vis.h> |
| #include <errno.h> |
| #include <stdlib.h> |
| #include <wchar.h> |
| #include <wctype.h> |
| |
| #ifdef __weak_alias |
| __weak_alias(strvisx,_strvisx) |
| #endif |
| |
| #if !HAVE_VIS || !HAVE_SVIS |
| #include <ctype.h> |
| #include <limits.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| /* |
| * The reason for going through the trouble to deal with character encodings |
| * in vis(3), is that we use this to safe encode output of commands. This |
| * safe encoding varies depending on the character set. For example if we |
| * display ps output in French, we don't want to display French characters |
| * as M-foo. |
| */ |
| |
| static wchar_t *do_svis(wchar_t *, wint_t, int, wint_t, const wchar_t *); |
| |
| #undef BELL |
| #define BELL L'\a' |
| |
| #define iswoctal(c) (((u_char)(c)) >= L'0' && ((u_char)(c)) <= L'7') |
| #define iswwhite(c) (c == L' ' || c == L'\t' || c == L'\n') |
| #define iswsafe(c) (c == L'\b' || c == BELL || c == L'\r') |
| #define xtoa(c) L"0123456789abcdef"[c] |
| #define XTOA(c) L"0123456789ABCDEF"[c] |
| |
| #define MAXEXTRAS 10 |
| |
| #if !HAVE_NBTOOL_CONFIG_H |
| #ifndef __NetBSD__ |
| /* |
| * On NetBSD MB_LEN_MAX is currently 32 which does not fit on any integer |
| * integral type and it is probably wrong, since currently the maximum |
| * number of bytes and character needs is 6. Until this is fixed, the |
| * loops below are using sizeof(uint64_t) - 1 instead of MB_LEN_MAX, and |
| * the assertion is commented out. |
| */ |
| #ifdef __FreeBSD__ |
| /* |
| * On FreeBSD including <sys/systm.h> for CTASSERT only works in kernel |
| * mode. |
| */ |
| #ifndef CTASSERT |
| #define CTASSERT(x) _CTASSERT(x, __LINE__) |
| #define _CTASSERT(x, y) __CTASSERT(x, y) |
| #define __CTASSERT(x, y) typedef char __assert ## y[(x) ? 1 : -1] |
| #endif |
| #endif /* __FreeBSD__ */ |
| /* |
| CTASSERT(MB_LEN_MAX <= sizeof(uint64_t)); |
| */ |
| #endif /* !__NetBSD__ */ |
| #endif |
| |
| /* |
| * This is do_hvis, for HTTP style (RFC 1808) |
| */ |
| static wchar_t * |
| do_hvis(wchar_t *dst, wint_t c, int flags, wint_t nextc, const wchar_t *extra) |
| { |
| if (iswalnum(c) |
| /* safe */ |
| || c == L'$' || c == L'-' || c == L'_' || c == L'.' || c == L'+' |
| /* extra */ |
| || c == L'!' || c == L'*' || c == L'\'' || c == L'(' || c == L')' |
| || c == L',') |
| dst = do_svis(dst, c, flags, nextc, extra); |
| else { |
| *dst++ = L'%'; |
| *dst++ = xtoa(((unsigned int)c >> 4) & 0xf); |
| *dst++ = xtoa((unsigned int)c & 0xf); |
| } |
| |
| return dst; |
| } |
| |
| /* |
| * This is do_mvis, for Quoted-Printable MIME (RFC 2045) |
| * NB: No handling of long lines or CRLF. |
| */ |
| static wchar_t * |
| do_mvis(wchar_t *dst, wint_t c, int flags, wint_t nextc, const wchar_t *extra) |
| { |
| if ((c != L'\n') && |
| /* Space at the end of the line */ |
| ((iswspace(c) && (nextc == L'\r' || nextc == L'\n')) || |
| /* Out of range */ |
| (!iswspace(c) && (c < 33 || (c > 60 && c < 62) || c > 126)) || |
| /* Specific char to be escaped */ |
| wcschr(L"#$@[\\]^`{|}~", c) != NULL)) { |
| *dst++ = L'='; |
| *dst++ = XTOA(((unsigned int)c >> 4) & 0xf); |
| *dst++ = XTOA((unsigned int)c & 0xf); |
| } else |
| dst = do_svis(dst, c, flags, nextc, extra); |
| return dst; |
| } |
| |
| /* |
| * Output single byte of multibyte character. |
| */ |
| static wchar_t * |
| do_mbyte(wchar_t *dst, wint_t c, int flags, wint_t nextc, int iswextra) |
| { |
| if (flags & VIS_CSTYLE) { |
| switch (c) { |
| case L'\n': |
| *dst++ = L'\\'; *dst++ = L'n'; |
| return dst; |
| case L'\r': |
| *dst++ = L'\\'; *dst++ = L'r'; |
| return dst; |
| case L'\b': |
| *dst++ = L'\\'; *dst++ = L'b'; |
| return dst; |
| case BELL: |
| *dst++ = L'\\'; *dst++ = L'a'; |
| return dst; |
| case L'\v': |
| *dst++ = L'\\'; *dst++ = L'v'; |
| return dst; |
| case L'\t': |
| *dst++ = L'\\'; *dst++ = L't'; |
| return dst; |
| case L'\f': |
| *dst++ = L'\\'; *dst++ = L'f'; |
| return dst; |
| case L' ': |
| *dst++ = L'\\'; *dst++ = L's'; |
| return dst; |
| case L'\0': |
| *dst++ = L'\\'; *dst++ = L'0'; |
| if (iswoctal(nextc)) { |
| *dst++ = L'0'; |
| *dst++ = L'0'; |
| } |
| return dst; |
| default: |
| if (iswgraph(c)) { |
| *dst++ = L'\\'; |
| *dst++ = c; |
| return dst; |
| } |
| } |
| } |
| if (iswextra || ((c & 0177) == L' ') || (flags & VIS_OCTAL)) { |
| *dst++ = L'\\'; |
| *dst++ = (u_char)(((u_int32_t)(u_char)c >> 6) & 03) + L'0'; |
| *dst++ = (u_char)(((u_int32_t)(u_char)c >> 3) & 07) + L'0'; |
| *dst++ = (c & 07) + L'0'; |
| } else { |
| if ((flags & VIS_NOSLASH) == 0) |
| *dst++ = L'\\'; |
| |
| if (c & 0200) { |
| c &= 0177; |
| *dst++ = L'M'; |
| } |
| |
| if (iswcntrl(c)) { |
| *dst++ = L'^'; |
| if (c == 0177) |
| *dst++ = L'?'; |
| else |
| *dst++ = c + L'@'; |
| } else { |
| *dst++ = L'-'; |
| *dst++ = c; |
| } |
| } |
| |
| return dst; |
| } |
| |
| /* |
| * This is do_vis, the central code of vis. |
| * dst: Pointer to the destination buffer |
| * c: Character to encode |
| * flags: Flags word |
| * nextc: The character following 'c' |
| * extra: Pointer to the list of extra characters to be |
| * backslash-protected. |
| */ |
| static wchar_t * |
| do_svis(wchar_t *dst, wint_t c, int flags, wint_t nextc, const wchar_t *extra) |
| { |
| int iswextra, i, shft; |
| uint64_t bmsk, wmsk; |
| |
| iswextra = wcschr(extra, c) != NULL; |
| if (!iswextra && (iswgraph(c) || iswwhite(c) || |
| ((flags & VIS_SAFE) && iswsafe(c)))) { |
| *dst++ = c; |
| return dst; |
| } |
| |
| /* See comment in istrsenvisx() output loop, below. */ |
| wmsk = 0; |
| for (i = sizeof(wmsk) - 1; i >= 0; i--) { |
| shft = i * NBBY; |
| bmsk = (uint64_t)0xffLL << shft; |
| wmsk |= bmsk; |
| if ((c & wmsk) || i == 0) |
| dst = do_mbyte(dst, (wint_t)( |
| (uint64_t)(c & bmsk) >> shft), |
| flags, nextc, iswextra); |
| } |
| |
| return dst; |
| } |
| |
| typedef wchar_t *(*visfun_t)(wchar_t *, wint_t, int, wint_t, const wchar_t *); |
| |
| /* |
| * Return the appropriate encoding function depending on the flags given. |
| */ |
| static visfun_t |
| getvisfun(int flags) |
| { |
| if (flags & VIS_HTTPSTYLE) |
| return do_hvis; |
| if (flags & VIS_MIMESTYLE) |
| return do_mvis; |
| return do_svis; |
| } |
| |
| /* |
| * Expand list of extra characters to not visually encode. |
| */ |
| static wchar_t * |
| makeextralist(int flags, const char *src) |
| { |
| wchar_t *dst, *d; |
| size_t len; |
| |
| len = strlen(src); |
| if ((dst = calloc(len + MAXEXTRAS, sizeof(*dst))) == NULL) |
| return NULL; |
| |
| if (mbstowcs(dst, src, len) == (size_t)-1) { |
| size_t i; |
| for (i = 0; i < len; i++) |
| dst[i] = (wint_t)(u_char)src[i]; |
| d = dst + len; |
| } else |
| d = dst + wcslen(dst); |
| |
| if (flags & VIS_GLOB) { |
| *d++ = L'*'; |
| *d++ = L'?'; |
| *d++ = L'['; |
| *d++ = L'#'; |
| } |
| |
| if (flags & VIS_SP) *d++ = L' '; |
| if (flags & VIS_TAB) *d++ = L'\t'; |
| if (flags & VIS_NL) *d++ = L'\n'; |
| if ((flags & VIS_NOSLASH) == 0) *d++ = L'\\'; |
| *d = L'\0'; |
| |
| return dst; |
| } |
| |
| /* |
| * istrsenvisx() |
| * The main internal function. |
| * All user-visible functions call this one. |
| */ |
| static int |
| istrsenvisx(char *mbdst, size_t *dlen, const char *mbsrc, size_t mblength, |
| int flags, const char *mbextra, int *cerr_ptr) |
| { |
| wchar_t *dst, *src, *pdst, *psrc, *start, *extra; |
| size_t len, olen; |
| uint64_t bmsk, wmsk; |
| wint_t c; |
| visfun_t f; |
| int clen = 0, cerr = 0, error = -1, i, shft; |
| ssize_t mbslength, maxolen; |
| |
| _DIAGASSERT(mbdst != NULL); |
| _DIAGASSERT(mbsrc != NULL); |
| _DIAGASSERT(mbextra != NULL); |
| |
| /* |
| * Input (mbsrc) is a char string considered to be multibyte |
| * characters. The input loop will read this string pulling |
| * one character, possibly multiple bytes, from mbsrc and |
| * converting each to wchar_t in src. |
| * |
| * The vis conversion will be done using the wide char |
| * wchar_t string. |
| * |
| * This will then be converted back to a multibyte string to |
| * return to the caller. |
| */ |
| |
| /* Allocate space for the wide char strings */ |
| psrc = pdst = extra = NULL; |
| if (!mblength) |
| mblength = strlen(mbsrc); |
| if ((psrc = calloc(mblength + 1, sizeof(*psrc))) == NULL) |
| return -1; |
| if ((pdst = calloc((4 * mblength) + 1, sizeof(*pdst))) == NULL) |
| goto out; |
| dst = pdst; |
| src = psrc; |
| |
| /* Use caller's multibyte conversion error flag. */ |
| if (cerr_ptr) |
| cerr = *cerr_ptr; |
| |
| /* |
| * Input loop. |
| * Handle up to mblength characters (not bytes). We do not |
| * stop at NULs because we may be processing a block of data |
| * that includes NULs. |
| */ |
| mbslength = (ssize_t)mblength; |
| /* |
| * When inputing a single character, must also read in the |
| * next character for nextc, the look-ahead character. |
| */ |
| if (mbslength == 1) |
| mbslength++; |
| while (mbslength > 0) { |
| /* Convert one multibyte character to wchar_t. */ |
| if (!cerr) |
| clen = mbtowc(src, mbsrc, MB_LEN_MAX); |
| if (cerr || clen < 0) { |
| /* Conversion error, process as a byte instead. */ |
| *src = (wint_t)(u_char)*mbsrc; |
| clen = 1; |
| cerr = 1; |
| } |
| if (clen == 0) |
| /* |
| * NUL in input gives 0 return value. process |
| * as single NUL byte and keep going. |
| */ |
| clen = 1; |
| /* Advance buffer character pointer. */ |
| src++; |
| /* Advance input pointer by number of bytes read. */ |
| mbsrc += clen; |
| /* Decrement input byte count. */ |
| mbslength -= clen; |
| } |
| len = src - psrc; |
| src = psrc; |
| /* |
| * In the single character input case, we will have actually |
| * processed two characters, c and nextc. Reset len back to |
| * just a single character. |
| */ |
| if (mblength < len) |
| len = mblength; |
| |
| /* Convert extra argument to list of characters for this mode. */ |
| extra = makeextralist(flags, mbextra); |
| if (!extra) { |
| if (dlen && *dlen == 0) { |
| errno = ENOSPC; |
| goto out; |
| } |
| *mbdst = '\0'; /* can't create extra, return "" */ |
| error = 0; |
| goto out; |
| } |
| |
| /* Look up which processing function to call. */ |
| f = getvisfun(flags); |
| |
| /* |
| * Main processing loop. |
| * Call do_Xvis processing function one character at a time |
| * with next character available for look-ahead. |
| */ |
| for (start = dst; len > 0; len--) { |
| c = *src++; |
| dst = (*f)(dst, c, flags, len >= 1 ? *src : L'\0', extra); |
| if (dst == NULL) { |
| errno = ENOSPC; |
| goto out; |
| } |
| } |
| |
| /* Terminate the string in the buffer. */ |
| *dst = L'\0'; |
| |
| /* |
| * Output loop. |
| * Convert wchar_t string back to multibyte output string. |
| * If we have hit a multi-byte conversion error on input, |
| * output byte-by-byte here. Else use wctomb(). |
| */ |
| len = wcslen(start); |
| maxolen = dlen ? *dlen : (wcslen(start) * MB_LEN_MAX + 1); |
| olen = 0; |
| for (dst = start; len > 0; len--) { |
| if (!cerr) |
| clen = wctomb(mbdst, *dst); |
| if (cerr || clen < 0) { |
| /* |
| * Conversion error, process as a byte(s) instead. |
| * Examine each byte and higher-order bytes for |
| * data. E.g., |
| * 0x000000000000a264 -> a2 64 |
| * 0x000000001f00a264 -> 1f 00 a2 64 |
| */ |
| clen = 0; |
| wmsk = 0; |
| for (i = sizeof(wmsk) - 1; i >= 0; i--) { |
| shft = i * NBBY; |
| bmsk = (uint64_t)0xffLL << shft; |
| wmsk |= bmsk; |
| if ((*dst & wmsk) || i == 0) |
| mbdst[clen++] = (char)( |
| (uint64_t)(*dst & bmsk) >> |
| shft); |
| } |
| cerr = 1; |
| } |
| /* If this character would exceed our output limit, stop. */ |
| if (olen + clen > (size_t)maxolen) |
| break; |
| /* Advance output pointer by number of bytes written. */ |
| mbdst += clen; |
| /* Advance buffer character pointer. */ |
| dst++; |
| /* Incrment output character count. */ |
| olen += clen; |
| } |
| |
| /* Terminate the output string. */ |
| *mbdst = '\0'; |
| |
| /* Pass conversion error flag out. */ |
| if (cerr_ptr) |
| *cerr_ptr = cerr; |
| |
| free(extra); |
| free(pdst); |
| free(psrc); |
| |
| return (int)olen; |
| out: |
| free(extra); |
| free(pdst); |
| free(psrc); |
| return error; |
| } |
| #endif |
| |
| #if !HAVE_SVIS |
| /* |
| * The "svis" variants all take an "extra" arg that is a pointer |
| * to a NUL-terminated list of characters to be encoded, too. |
| * These functions are useful e. g. to encode strings in such a |
| * way so that they are not interpreted by a shell. |
| */ |
| |
| char * |
| svis(char *mbdst, int c, int flags, int nextc, const char *mbextra) |
| { |
| char cc[2]; |
| int ret; |
| |
| cc[0] = c; |
| cc[1] = nextc; |
| |
| ret = istrsenvisx(mbdst, NULL, cc, 1, flags, mbextra, NULL); |
| if (ret < 0) |
| return NULL; |
| return mbdst + ret; |
| } |
| |
| char * |
| snvis(char *mbdst, size_t dlen, int c, int flags, int nextc, const char *mbextra) |
| { |
| char cc[2]; |
| int ret; |
| |
| cc[0] = c; |
| cc[1] = nextc; |
| |
| ret = istrsenvisx(mbdst, &dlen, cc, 1, flags, mbextra, NULL); |
| if (ret < 0) |
| return NULL; |
| return mbdst + ret; |
| } |
| |
| int |
| strsvis(char *mbdst, const char *mbsrc, int flags, const char *mbextra) |
| { |
| return istrsenvisx(mbdst, NULL, mbsrc, 0, flags, mbextra, NULL); |
| } |
| |
| int |
| strsnvis(char *mbdst, size_t dlen, const char *mbsrc, int flags, const char *mbextra) |
| { |
| return istrsenvisx(mbdst, &dlen, mbsrc, 0, flags, mbextra, NULL); |
| } |
| |
| int |
| strsvisx(char *mbdst, const char *mbsrc, size_t len, int flags, const char *mbextra) |
| { |
| return istrsenvisx(mbdst, NULL, mbsrc, len, flags, mbextra, NULL); |
| } |
| |
| int |
| strsnvisx(char *mbdst, size_t dlen, const char *mbsrc, size_t len, int flags, |
| const char *mbextra) |
| { |
| return istrsenvisx(mbdst, &dlen, mbsrc, len, flags, mbextra, NULL); |
| } |
| |
| int |
| strsenvisx(char *mbdst, size_t dlen, const char *mbsrc, size_t len, int flags, |
| const char *mbextra, int *cerr_ptr) |
| { |
| return istrsenvisx(mbdst, &dlen, mbsrc, len, flags, mbextra, cerr_ptr); |
| } |
| #endif |
| |
| #if !HAVE_VIS |
| /* |
| * vis - visually encode characters |
| */ |
| char * |
| vis(char *mbdst, int c, int flags, int nextc) |
| { |
| char cc[2]; |
| int ret; |
| |
| cc[0] = c; |
| cc[1] = nextc; |
| |
| ret = istrsenvisx(mbdst, NULL, cc, 1, flags, "", NULL); |
| if (ret < 0) |
| return NULL; |
| return mbdst + ret; |
| } |
| |
| char * |
| nvis(char *mbdst, size_t dlen, int c, int flags, int nextc) |
| { |
| char cc[2]; |
| int ret; |
| |
| cc[0] = c; |
| cc[1] = nextc; |
| |
| ret = istrsenvisx(mbdst, &dlen, cc, 1, flags, "", NULL); |
| if (ret < 0) |
| return NULL; |
| return mbdst + ret; |
| } |
| |
| /* |
| * strvis - visually encode characters from src into dst |
| * |
| * Dst must be 4 times the size of src to account for possible |
| * expansion. The length of dst, not including the trailing NULL, |
| * is returned. |
| */ |
| |
| int |
| strvis(char *mbdst, const char *mbsrc, int flags) |
| { |
| return istrsenvisx(mbdst, NULL, mbsrc, 0, flags, "", NULL); |
| } |
| |
| int |
| strnvis(char *mbdst, size_t dlen, const char *mbsrc, int flags) |
| { |
| return istrsenvisx(mbdst, &dlen, mbsrc, 0, flags, "", NULL); |
| } |
| |
| /* |
| * strvisx - visually encode characters from src into dst |
| * |
| * Dst must be 4 times the size of src to account for possible |
| * expansion. The length of dst, not including the trailing NULL, |
| * is returned. |
| * |
| * Strvisx encodes exactly len characters from src into dst. |
| * This is useful for encoding a block of data. |
| */ |
| |
| int |
| strvisx(char *mbdst, const char *mbsrc, size_t len, int flags) |
| { |
| return istrsenvisx(mbdst, NULL, mbsrc, len, flags, "", NULL); |
| } |
| |
| int |
| strnvisx(char *mbdst, size_t dlen, const char *mbsrc, size_t len, int flags) |
| { |
| return istrsenvisx(mbdst, &dlen, mbsrc, len, flags, "", NULL); |
| } |
| |
| int |
| strenvisx(char *mbdst, size_t dlen, const char *mbsrc, size_t len, int flags, |
| int *cerr_ptr) |
| { |
| return istrsenvisx(mbdst, &dlen, mbsrc, len, flags, "", cerr_ptr); |
| } |
| #endif |