diff options
Diffstat (limited to 'lib/libc/stdio/xprintf_str.c')
| -rw-r--r-- | lib/libc/stdio/xprintf_str.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/lib/libc/stdio/xprintf_str.c b/lib/libc/stdio/xprintf_str.c deleted file mode 100644 index d46fa85..0000000 --- a/lib/libc/stdio/xprintf_str.c +++ /dev/null @@ -1,187 +0,0 @@ -/*- - * Copyright (c) 2005 Poul-Henning Kamp - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Chris Torek. - * - * 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. - * - * $FreeBSD$ - */ - -#include <namespace.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <limits.h> -#include <stdint.h> -#include <assert.h> -#include <wchar.h> -#include "printf.h" - -/* - * Convert a wide character string argument for the %ls format to a multibyte - * string representation. If not -1, prec specifies the maximum number of - * bytes to output, and also means that we can't assume that the wide char. - * string ends is null-terminated. - */ -static char * -__wcsconv(wchar_t *wcsarg, int prec) -{ - static const mbstate_t initial; - mbstate_t mbs; - char buf[MB_LEN_MAX]; - wchar_t *p; - char *convbuf; - size_t clen, nbytes; - - /* Allocate space for the maximum number of bytes we could output. */ - if (prec < 0) { - p = wcsarg; - mbs = initial; - nbytes = wcsrtombs(NULL, (const wchar_t **)&p, 0, &mbs); - if (nbytes == (size_t)-1) - return (NULL); - } else { - /* - * Optimisation: if the output precision is small enough, - * just allocate enough memory for the maximum instead of - * scanning the string. - */ - if (prec < 128) - nbytes = prec; - else { - nbytes = 0; - p = wcsarg; - mbs = initial; - for (;;) { - clen = wcrtomb(buf, *p++, &mbs); - if (clen == 0 || clen == (size_t)-1 || - (int)(nbytes + clen) > prec) - break; - nbytes += clen; - } - } - } - if ((convbuf = malloc(nbytes + 1)) == NULL) - return (NULL); - - /* Fill the output buffer. */ - p = wcsarg; - mbs = initial; - if ((nbytes = wcsrtombs(convbuf, (const wchar_t **)&p, - nbytes, &mbs)) == (size_t)-1) { - free(convbuf); - return (NULL); - } - convbuf[nbytes] = '\0'; - return (convbuf); -} - - -/* 's' ---------------------------------------------------------------*/ - -int -__printf_arginfo_str(const struct printf_info *pi, size_t n, int *argt) -{ - - assert (n > 0); - if (pi->is_long || pi->spec == 'C') - argt[0] = PA_WSTRING; - else - argt[0] = PA_STRING; - return (1); -} - -int -__printf_render_str(struct __printf_io *io, const struct printf_info *pi, const void *const *arg) -{ - const char *p; - wchar_t *wcp; - char *convbuf; - int l; - - if (pi->is_long || pi->spec == 'S') { - wcp = *((wint_t **)arg[0]); - if (wcp == NULL) - return (__printf_out(io, pi, "(null)", 6)); - convbuf = __wcsconv(wcp, pi->prec); - if (convbuf == NULL) - return (-1); - l = __printf_out(io, pi, convbuf, strlen(convbuf)); - free(convbuf); - return (l); - } - p = *((char **)arg[0]); - if (p == NULL) - return (__printf_out(io, pi, "(null)", 6)); - l = strlen(p); - if (pi->prec >= 0 && pi->prec < l) - l = pi->prec; - return (__printf_out(io, pi, p, l)); -} - -/* 'c' ---------------------------------------------------------------*/ - -int -__printf_arginfo_chr(const struct printf_info *pi, size_t n, int *argt) -{ - - assert (n > 0); - if (pi->is_long || pi->spec == 'C') - argt[0] = PA_WCHAR; - else - argt[0] = PA_INT; - return (1); -} - -int -__printf_render_chr(struct __printf_io *io, const struct printf_info *pi, const void *const *arg) -{ - int i; - wint_t ii; - unsigned char c; - static const mbstate_t initial; /* XXX: this is bogus! */ - mbstate_t mbs; - size_t mbseqlen; - char buf[MB_CUR_MAX]; - - if (pi->is_long || pi->spec == 'C') { - ii = *((wint_t *)arg[0]); - - mbs = initial; - mbseqlen = wcrtomb(buf, (wchar_t)ii, &mbs); - if (mbseqlen == (size_t) -1) - return (-1); - return (__printf_out(io, pi, buf, mbseqlen)); - } - i = *((int *)arg[0]); - c = i; - i = __printf_out(io, pi, &c, 1); - __printf_flush(io); - return (i); -} |
