--- /dev/null
+/*-
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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.
+ */
+
+#if 0
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)vfprintf.c 8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+#endif
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/lib/libc/stdio/vfwprintf.c,v 1.23 2004/08/26 06:25:28 des Exp $");
+
+#include "xlocale_private.h"
+
+/*
+ * Actual wprintf innards.
+ *
+ * Avoid making gratuitous changes to this source file; it should be kept
+ * as close as possible to vfprintf.c for ease of maintenance.
+ */
+
+#include "namespace.h"
+#include <sys/types.h>
+
+#include <ctype.h>
+#include <limits.h>
+#include <locale.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include <wctype.h>
+#include <errno.h>
+#include "un-namespace.h"
+
+#include "libc_private.h"
+#include "local.h"
+#include "fvwrite.h"
+
+#ifdef VECTORS
+typedef __attribute__ ((vector_size(16))) unsigned char VECTORTYPE;
+#ifdef __SSE2__
+#define V64TYPE
+#endif /* __SSE2__ */
+#endif /* VECTORS */
+
+union arg {
+ int intarg;
+ u_int uintarg;
+ long longarg;
+ u_long ulongarg;
+ long long longlongarg;
+ unsigned long long ulonglongarg;
+ ptrdiff_t ptrdiffarg;
+ size_t sizearg;
+ intmax_t intmaxarg;
+ uintmax_t uintmaxarg;
+ void *pvoidarg;
+ char *pchararg;
+ signed char *pschararg;
+ short *pshortarg;
+ int *pintarg;
+ long *plongarg;
+ long long *plonglongarg;
+ ptrdiff_t *pptrdiffarg;
+ size_t *psizearg;
+ intmax_t *pintmaxarg;
+#ifndef NO_FLOATING_POINT
+ double doublearg;
+ long double longdoublearg;
+#endif
+ wint_t wintarg;
+ wchar_t *pwchararg;
+#ifdef VECTORS
+ VECTORTYPE vectorarg;
+ unsigned char vuchararg[16];
+ signed char vchararg[16];
+ unsigned short vushortarg[8];
+ signed short vshortarg[8];
+ unsigned int vuintarg[4];
+ signed int vintarg[4];
+ float vfloatarg[4];
+#ifdef V64TYPE
+ double vdoublearg[2];
+ unsigned long long vulonglongarg[2];
+ long long vlonglongarg[2];
+#endif /* V64TYPE */
+#endif /* VECTORS */
+};
+
+/*
+ * Type ids for argument type table.
+ */
+enum typeid {
+ T_UNUSED, TP_SHORT, T_INT, T_U_INT, TP_INT,
+ T_LONG, T_U_LONG, TP_LONG, T_LLONG, T_U_LLONG, TP_LLONG,
+ T_PTRDIFFT, TP_PTRDIFFT, T_SIZET, TP_SIZET,
+ T_INTMAXT, T_UINTMAXT, TP_INTMAXT, TP_VOID, TP_CHAR, TP_SCHAR,
+#ifdef VECTORS
+ T_DOUBLE, T_LONG_DOUBLE, T_WINT, TP_WCHAR, T_VECTOR
+#else /* ! VECTORS */
+ T_DOUBLE, T_LONG_DOUBLE, T_WINT, TP_WCHAR
+#endif /* VECTORS */
+};
+
+static int __sbprintf(FILE *, locale_t, const wchar_t *, va_list);
+static wint_t __xfputwc(wchar_t, FILE *, locale_t);
+static wchar_t *__ujtoa(uintmax_t, wchar_t *, int, int, const char *, int,
+ char, const char *);
+static wchar_t *__ultoa(u_long, wchar_t *, int, int, const char *, int,
+ char, const char *);
+static wchar_t *__mbsconv(char *, int, locale_t);
+static void __find_arguments(const wchar_t *, va_list, union arg **);
+static void __grow_type_table(int, enum typeid **, int *);
+
+/*
+ * Helper function for `fprintf to unbuffered unix file': creates a
+ * temporary buffer. We only work on write-only files; this avoids
+ * worries about ungetc buffers and so forth.
+ */
+static int
+__sbprintf(FILE *fp, locale_t loc, const wchar_t *fmt, va_list ap)
+{
+ int ret;
+ FILE fake;
+ unsigned char buf[BUFSIZ];
+
+ /* copy the important variables */
+ fake._flags = fp->_flags & ~__SNBF;
+ fake._file = fp->_file;
+ fake._cookie = fp->_cookie;
+ fake._write = fp->_write;
+ fake._extra = fp->_extra;
+
+ /* set up the buffer */
+ fake._bf._base = fake._p = buf;
+ fake._bf._size = fake._w = sizeof(buf);
+ fake._lbfsize = 0; /* not actually used, but Just In Case */
+
+ /* do the work, then copy any error status */
+ ret = __vfwprintf(&fake, loc, fmt, ap);
+ if (ret >= 0 && __fflush(&fake))
+ ret = WEOF;
+ if (fake._flags & __SERR)
+ fp->_flags |= __SERR;
+ return (ret);
+}
+
+/*
+ * Like __fputwc, but handles fake string (__SSTR) files properly.
+ * File must already be locked.
+ */
+static wint_t
+__xfputwc(wchar_t wc, FILE *fp, locale_t loc)
+{
+ static const mbstate_t initial;
+ mbstate_t mbs;
+ char buf[MB_LEN_MAX];
+ struct __suio uio;
+ struct __siov iov;
+ size_t len;
+
+ if ((fp->_flags & __SSTR) == 0)
+ return (__fputwc(wc, fp, loc));
+
+ mbs = initial;
+ if ((len = wcrtomb_l(buf, wc, &mbs, loc)) == (size_t)-1) {
+ fp->_flags |= __SERR;
+ return (WEOF);
+ }
+ uio.uio_iov = &iov;
+ uio.uio_resid = len;
+ uio.uio_iovcnt = 1;
+ iov.iov_base = buf;
+ iov.iov_len = len;
+ return (__sfvwrite(fp, &uio) != EOF ? (wint_t)wc : WEOF);
+}
+
+/*
+ * Macros for converting digits to letters and vice versa
+ */
+#define to_digit(c) ((c) - '0')
+#define is_digit(c) ((unsigned)to_digit(c) <= 9)
+#define to_char(n) ((n) + '0')
+
+/*
+ * Convert an unsigned long to ASCII for printf purposes, returning
+ * a pointer to the first character of the string representation.
+ * Octal numbers can be forced to have a leading zero; hex numbers
+ * use the given digits.
+ */
+static wchar_t *
+__ultoa(u_long val, wchar_t *endp, int base, int octzero, const char *xdigs,
+ int needgrp, char thousep, const char *grp)
+{
+ wchar_t *cp = endp;
+ long sval;
+ int ndig;
+
+ /*
+ * Handle the three cases separately, in the hope of getting
+ * better/faster code.
+ */
+ switch (base) {
+ case 10:
+ if (val < 10) { /* many numbers are 1 digit */
+ *--cp = to_char(val);
+ return (cp);
+ }
+ ndig = 0;
+ /*
+ * On many machines, unsigned arithmetic is harder than
+ * signed arithmetic, so we do at most one unsigned mod and
+ * divide; this is sufficient to reduce the range of
+ * the incoming value to where signed arithmetic works.
+ */
+ if (val > LONG_MAX) {
+ *--cp = to_char(val % 10);
+ ndig++;
+ sval = val / 10;
+ } else
+ sval = val;
+ do {
+ *--cp = to_char(sval % 10);
+ ndig++;
+ /*
+ * If (*grp == CHAR_MAX) then no more grouping
+ * should be performed.
+ */
+ if (needgrp && ndig == *grp && *grp != CHAR_MAX
+ && sval > 9) {
+ *--cp = thousep;
+ ndig = 0;
+ /*
+ * If (*(grp+1) == '\0') then we have to
+ * use *grp character (last grouping rule)
+ * for all next cases
+ */
+ if (*(grp+1) != '\0')
+ grp++;
+ }
+ sval /= 10;
+ } while (sval != 0);
+ break;
+
+ case 8:
+ do {
+ *--cp = to_char(val & 7);
+ val >>= 3;
+ } while (val);
+ if (octzero && *cp != '0')
+ *--cp = '0';
+ break;
+
+ case 16:
+ do {
+ *--cp = xdigs[val & 15];
+ val >>= 4;
+ } while (val);
+ break;
+
+ default: /* oops */
+ abort();
+ }
+ return (cp);
+}
+
+/* Identical to __ultoa, but for intmax_t. */
+static wchar_t *
+__ujtoa(uintmax_t val, wchar_t *endp, int base, int octzero,
+ const char *xdigs, int needgrp, char thousep, const char *grp)
+{
+ wchar_t *cp = endp;
+ intmax_t sval;
+ int ndig;
+
+ /* quick test for small values; __ultoa is typically much faster */
+ /* (perhaps instead we should run until small, then call __ultoa?) */
+ if (val <= ULONG_MAX)
+ return (__ultoa((u_long)val, endp, base, octzero, xdigs,
+ needgrp, thousep, grp));
+ switch (base) {
+ case 10:
+ if (val < 10) {
+ *--cp = to_char(val % 10);
+ return (cp);
+ }
+ ndig = 0;
+ if (val > INTMAX_MAX) {
+ *--cp = to_char(val % 10);
+ ndig++;
+ sval = val / 10;
+ } else
+ sval = val;
+ do {
+ *--cp = to_char(sval % 10);
+ ndig++;
+ /*
+ * If (*grp == CHAR_MAX) then no more grouping
+ * should be performed.
+ */
+ if (needgrp && *grp != CHAR_MAX && ndig == *grp
+ && sval > 9) {
+ *--cp = thousep;
+ ndig = 0;
+ /*
+ * If (*(grp+1) == '\0') then we have to
+ * use *grp character (last grouping rule)
+ * for all next cases
+ */
+ if (*(grp+1) != '\0')
+ grp++;
+ }
+ sval /= 10;
+ } while (sval != 0);
+ break;
+
+ case 8:
+ do {
+ *--cp = to_char(val & 7);
+ val >>= 3;
+ } while (val);
+ if (octzero && *cp != '0')
+ *--cp = '0';
+ break;
+
+ case 16:
+ do {
+ *--cp = xdigs[val & 15];
+ val >>= 4;
+ } while (val);
+ break;
+
+ default:
+ abort();
+ }
+ return (cp);
+}
+
+/*
+ * Convert a multibyte character string argument for the %s format to a wide
+ * string representation. ``prec'' specifies the maximum number of bytes
+ * to output. If ``prec'' is greater than or equal to zero, we can't assume
+ * that the multibyte char. string ends in a null character.
+ */
+static wchar_t *
+__mbsconv(char *mbsarg, int prec, locale_t loc)
+{
+ static const mbstate_t initial;
+ mbstate_t mbs;
+ wchar_t *convbuf, *wcp;
+ const char *p;
+ size_t insize, nchars, nconv = 0;
+ int mb_cur_max = MB_CUR_MAX_L(loc);
+
+ if (mbsarg == NULL)
+ return (NULL);
+
+ /*
+ * Supplied argument is a multibyte string; convert it to wide
+ * characters first.
+ */
+ if (prec >= 0) {
+ /*
+ * String is not guaranteed to be NUL-terminated. Find the
+ * number of characters to print.
+ */
+ p = mbsarg;
+ insize = nchars = 0;
+ mbs = initial;
+ while (nchars != (size_t)prec) {
+ nconv = mbrlen_l(p, mb_cur_max, &mbs, loc);
+ if (nconv == 0 || nconv == (size_t)-1 ||
+ nconv == (size_t)-2)
+ break;
+ p += nconv;
+ nchars++;
+ insize += nconv;
+ }
+ if (nconv == (size_t)-1 || nconv == (size_t)-2)
+ return (NULL);
+ } else
+ insize = strlen(mbsarg);
+
+ /*
+ * Allocate buffer for the result and perform the conversion,
+ * converting at most `size' bytes of the input multibyte string to
+ * wide characters for printing.
+ */
+ convbuf = malloc((insize + 1) * sizeof(*convbuf));
+ if (convbuf == NULL)
+ return (NULL);
+ wcp = convbuf;
+ p = mbsarg;
+ mbs = initial;
+ while (insize != 0) {
+ nconv = mbrtowc_l(wcp, p, insize, &mbs, loc);
+ if (nconv == 0 || nconv == (size_t)-1 || nconv == (size_t)-2)
+ break;
+ wcp++;
+ p += nconv;
+ insize -= nconv;
+ }
+ if (nconv == (size_t)-1 || nconv == (size_t)-2) {
+ free(convbuf);
+ return (NULL);
+ }
+ *wcp = L'\0';
+
+ return (convbuf);
+}
+
+/*
+ * MT-safe version
+ */
+__private_extern__ const char *__fix_nogrouping(const char *);
+
+int
+vfwprintf(FILE * __restrict fp, const wchar_t * __restrict fmt0, va_list ap)
+
+{
+ int ret;
+
+ FLOCKFILE(fp);
+ ret = __vfwprintf(fp, __current_locale(), fmt0, ap);
+ FUNLOCKFILE(fp);
+ return (ret);
+}
+
+int
+vfwprintf_l(FILE * __restrict fp, locale_t loc, const wchar_t * __restrict fmt0,
+ va_list ap)
+
+{
+ int ret;
+
+ NORMALIZE_LOCALE(loc);
+ FLOCKFILE(fp);
+ ret = __vfwprintf(fp, loc, fmt0, ap);
+ FUNLOCKFILE(fp);
+ return (ret);
+}
+
+#ifndef NO_FLOATING_POINT
+
+#define dtoa __dtoa
+#define freedtoa __freedtoa
+
+#include <float.h>
+#include <math.h>
+#include "floatio.h"
+#include "gdtoa.h"
+
+#define DEFPREC 6
+
+static int exponent(wchar_t *, int, wchar_t);
+
+#endif /* !NO_FLOATING_POINT */
+
+/*
+ * The size of the buffer we use as scratch space for integer
+ * conversions, among other things. Technically, we would need the
+ * most space for base 10 conversions with thousands' grouping
+ * characters between each pair of digits. 100 bytes is a
+ * conservative overestimate even for a 128-bit uintmax_t.
+ */
+#define BUF 100
+
+#define STATIC_ARG_TBL_SIZE 8 /* Size of static argument table. */
+
+/*
+ * Flags used during conversion.
+ */
+#define ALT 0x001 /* alternate form */
+#define LADJUST 0x004 /* left adjustment */
+#define LONGDBL 0x008 /* long double */
+#define LONGINT 0x010 /* long integer */
+#define LLONGINT 0x020 /* long long integer */
+#define SHORTINT 0x040 /* short integer */
+#define ZEROPAD 0x080 /* zero (as opposed to blank) pad */
+#define FPT 0x100 /* Floating point number */
+#define GROUPING 0x200 /* use grouping ("'" flag) */
+ /* C99 additional size modifiers: */
+#define SIZET 0x400 /* size_t */
+#define PTRDIFFT 0x800 /* ptrdiff_t */
+#define INTMAXT 0x1000 /* intmax_t */
+#define CHARINT 0x2000 /* print char using int format */
+#ifdef VECTORS
+#define VECTOR 0x4000 /* Altivec or SSE vector */
+#endif /* VECTORS */
+
+/*
+ * Non-MT-safe version
+ */
+__private_extern__ int
+__vfwprintf(FILE *fp, locale_t loc, const wchar_t *fmt0, va_list ap)
+{
+ wchar_t *fmt; /* format string */
+ wchar_t ch; /* character from fmt */
+ int n, n2, n3; /* handy integer (short term usage) */
+ wchar_t *cp; /* handy char pointer (short term usage) */
+ int flags; /* flags as above */
+ int ret; /* return value accumulator */
+ int width; /* width from format (%8d), or 0 */
+ int prec; /* precision from format; <0 for N/A */
+ wchar_t sign; /* sign prefix (' ', '+', '-', or \0) */
+ char thousands_sep; /* locale specific thousands separator */
+ const char *grouping; /* locale specific numeric grouping rules */
+#ifndef NO_FLOATING_POINT
+ /*
+ * We can decompose the printed representation of floating
+ * point numbers into several parts, some of which may be empty:
+ *
+ * [+|-| ] [0x|0X] MMM . NNN [e|E|p|P] [+|-] ZZ
+ * A B ---C--- D E F
+ *
+ * A: 'sign' holds this value if present; '\0' otherwise
+ * B: ox[1] holds the 'x' or 'X'; '\0' if not hexadecimal
+ * C: cp points to the string MMMNNN. Leading and trailing
+ * zeros are not in the string and must be added.
+ * D: expchar holds this character; '\0' if no exponent, e.g. %f
+ * F: at least two digits for decimal, at least one digit for hex
+ */
+ wchar_t decimal_point; /* locale specific decimal point */
+ char *decimal_point_mb; /* multibyte decimal point */
+ int signflag; /* true if float is negative */
+ union { /* floating point arguments %[aAeEfFgG] */
+ double dbl;
+ long double ldbl;
+ } fparg;
+ int expt; /* integer value of exponent */
+ char expchar; /* exponent character: [eEpP\0] */
+ char *dtoaend; /* pointer to end of converted digits */
+ int expsize; /* character count for expstr */
+ int lead; /* sig figs before decimal or group sep */
+ int ndig; /* actual number of digits returned by dtoa */
+ wchar_t expstr[MAXEXPDIG+2]; /* buffer for exponent string: e+ZZZ */
+ char *dtoaresult; /* buffer allocated by dtoa */
+ int nseps; /* number of group separators with ' */
+ int nrepeats; /* number of repeats of the last group */
+#endif
+#ifdef VECTORS
+ union arg vval; /* Vector argument. */
+ wchar_t *pct; /* Pointer to '%' at beginning of specifier. */
+ wchar_t vsep; /* Vector separator character. */
+#endif
+ u_long ulval; /* integer arguments %[diouxX] */
+ uintmax_t ujval; /* %j, %ll, %q, %t, %z integers */
+ int base; /* base for [diouxX] conversion */
+ int dprec; /* a copy of prec if [diouxX], 0 otherwise */
+ int realsz; /* field size expanded by dprec, sign, etc */
+ int size; /* size of converted field or string */
+ int prsize; /* max size of printed field */
+ const char *xdigs; /* digits for [xX] conversion */
+ wchar_t buf[BUF]; /* buffer with space for digits of uintmax_t */
+ wchar_t ox[2]; /* space for 0x hex-prefix */
+ union arg *argtable; /* args, built due to positional arg */
+ union arg statargtable [STATIC_ARG_TBL_SIZE];
+ int nextarg; /* 1-based argument index */
+ va_list orgap; /* original argument pointer */
+ wchar_t *convbuf; /* multibyte to wide conversion result */
+
+ /*
+ * Choose PADSIZE to trade efficiency vs. size. If larger printf
+ * fields occur frequently, increase PADSIZE and make the initialisers
+ * below longer.
+ */
+#define PADSIZE 16 /* pad chunk size */
+ static wchar_t blanks[PADSIZE] =
+ {' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '};
+ static wchar_t zeroes[PADSIZE] =
+ {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'};
+
+ static const char xdigs_lower[16] = "0123456789abcdef";
+ static const char xdigs_upper[16] = "0123456789ABCDEF";
+
+ /*
+ * BEWARE, these `goto error' on error, PRINT uses `n2' and
+ * PAD uses `n'.
+ */
+#define PRINT(ptr, len) do { \
+ for (n3 = 0; n3 < (len); n3++) \
+ __xfputwc((ptr)[n3], fp, loc); \
+} while (0)
+#define PAD(howmany, with) do { \
+ if ((n = (howmany)) > 0) { \
+ while (n > PADSIZE) { \
+ PRINT(with, PADSIZE); \
+ n -= PADSIZE; \
+ } \
+ PRINT(with, n); \
+ } \
+} while (0)
+#define PRINTANDPAD(p, ep, len, with) do { \
+ n2 = (ep) - (p); \
+ if (n2 > (len)) \
+ n2 = (len); \
+ if (n2 > 0) \
+ PRINT((p), n2); \
+ PAD((len) - (n2 > 0 ? n2 : 0), (with)); \
+} while(0)
+
+ /*
+ * Get the argument indexed by nextarg. If the argument table is
+ * built, use it to get the argument. If its not, get the next
+ * argument (and arguments must be gotten sequentially).
+ */
+#define GETARG(type) \
+ ((argtable != NULL) ? *((type*)(&argtable[nextarg++])) : \
+ (nextarg++, va_arg(ap, type)))
+
+ /*
+ * To extend shorts properly, we need both signed and unsigned
+ * argument extraction methods.
+ */
+#define SARG() \
+ (flags&LONGINT ? GETARG(long) : \
+ flags&SHORTINT ? (long)(short)GETARG(int) : \
+ flags&CHARINT ? (long)(signed char)GETARG(int) : \
+ (long)GETARG(int))
+#define UARG() \
+ (flags&LONGINT ? GETARG(u_long) : \
+ flags&SHORTINT ? (u_long)(u_short)GETARG(int) : \
+ flags&CHARINT ? (u_long)(u_char)GETARG(int) : \
+ (u_long)GETARG(u_int))
+#define INTMAX_SIZE (INTMAXT|SIZET|PTRDIFFT|LLONGINT)
+#define SJARG() \
+ (flags&INTMAXT ? GETARG(intmax_t) : \
+ flags&SIZET ? (intmax_t)GETARG(ssize_t) : \
+ flags&PTRDIFFT ? (intmax_t)GETARG(ptrdiff_t) : \
+ (intmax_t)GETARG(long long))
+#define UJARG() \
+ (flags&INTMAXT ? GETARG(uintmax_t) : \
+ flags&SIZET ? (uintmax_t)GETARG(size_t) : \
+ flags&PTRDIFFT ? (uintmax_t)GETARG(ptrdiff_t) : \
+ (uintmax_t)GETARG(unsigned long long))
+
+ /*
+ * Get * arguments, including the form *nn$. Preserve the nextarg
+ * that the argument can be gotten once the type is determined.
+ */
+#define GETASTER(val) \
+ n2 = 0; \
+ cp = fmt; \
+ while (is_digit(*cp)) { \
+ n2 = 10 * n2 + to_digit(*cp); \
+ cp++; \
+ } \
+ if (*cp == '$') { \
+ int hold = nextarg; \
+ if (argtable == NULL) { \
+ argtable = statargtable; \
+ __find_arguments (fmt0, orgap, &argtable); \
+ } \
+ nextarg = n2; \
+ val = GETARG (int); \
+ nextarg = hold; \
+ fmt = ++cp; \
+ } else { \
+ val = GETARG (int); \
+ }
+
+ thousands_sep = '\0';
+ grouping = NULL;
+#ifndef NO_FLOATING_POINT
+ decimal_point_mb = localeconv_l(loc)->decimal_point;
+ mbtowc_l(&decimal_point, decimal_point_mb, strlen(decimal_point_mb), loc);
+#endif
+ convbuf = NULL;
+ /* sorry, fwprintf(read_only_file, L"") returns WEOF, not 0 */
+ if (prepwrite(fp) != 0) {
+ errno = EBADF;
+ return (EOF);
+ }
+ ORIENT(fp, 1);
+
+ /* optimise fprintf(stderr) (and other unbuffered Unix files) */
+ if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) &&
+ fp->_file >= 0)
+ return (__sbprintf(fp, loc, fmt0, ap));
+
+ fmt = (wchar_t *)fmt0;
+ argtable = NULL;
+ nextarg = 1;
+ va_copy(orgap, ap);
+ ret = 0;
+
+ /*
+ * Scan the format for conversions (`%' character).
+ */
+ for (;;) {
+ for (cp = fmt; (ch = *fmt) != '\0' && ch != '%'; fmt++)
+ /* void */;
+ if ((n = fmt - cp) != 0) {
+ if ((unsigned)ret + n > INT_MAX) {
+ ret = EOF;
+ goto error;
+ }
+ PRINT(cp, n);
+ ret += n;
+ }
+ if (ch == '\0')
+ goto done;
+#ifdef VECTORS
+ pct = fmt;
+#endif /* VECTORS */
+ fmt++; /* skip over '%' */
+
+ flags = 0;
+ dprec = 0;
+ width = 0;
+ prec = -1;
+ sign = '\0';
+ ox[1] = '\0';
+#ifdef VECTORS
+ vsep = 'X'; /* Illegal value, changed to defaults later. */
+#endif /* VECTORS */
+
+rflag: ch = *fmt++;
+reswitch: switch (ch) {
+ case ' ':
+ /*-
+ * ``If the space and + flags both appear, the space
+ * flag will be ignored.''
+ * -- ANSI X3J11
+ */
+ if (!sign)
+ sign = ' ';
+ goto rflag;
+ case '#':
+ flags |= ALT;
+ goto rflag;
+#ifdef VECTORS
+ case ',': case ';': case ':': case '_':
+ vsep = ch;
+ goto rflag;
+#endif /* VECTORS */
+ case '*':
+ /*-
+ * ``A negative field width argument is taken as a
+ * - flag followed by a positive field width.''
+ * -- ANSI X3J11
+ * They don't exclude field widths read from args.
+ */
+ GETASTER (width);
+ if (width >= 0)
+ goto rflag;
+ width = -width;
+ /* FALLTHROUGH */
+ case '-':
+ flags |= LADJUST;
+ goto rflag;
+ case '+':
+ sign = '+';
+ goto rflag;
+ case '\'':
+ flags |= GROUPING;
+ thousands_sep = *(localeconv_l(loc)->thousands_sep);
+ grouping = __fix_nogrouping(localeconv_l(loc)->grouping);
+ goto rflag;
+ case '.':
+ if ((ch = *fmt++) == '*') {
+ GETASTER (prec);
+ goto rflag;
+ }
+ prec = 0;
+ while (is_digit(ch)) {
+ prec = 10 * prec + to_digit(ch);
+ ch = *fmt++;
+ }
+ goto reswitch;
+ case '0':
+ /*-
+ * ``Note that 0 is taken as a flag, not as the
+ * beginning of a field width.''
+ * -- ANSI X3J11
+ */
+ flags |= ZEROPAD;
+ goto rflag;
+ case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ n = 0;
+ do {
+ n = 10 * n + to_digit(ch);
+ ch = *fmt++;
+ } while (is_digit(ch));
+ if (ch == '$') {
+ nextarg = n;
+ if (argtable == NULL) {
+ argtable = statargtable;
+ __find_arguments (fmt0, orgap,
+ &argtable);
+ }
+ goto rflag;
+ }
+ width = n;
+ goto reswitch;
+#ifndef NO_FLOATING_POINT
+ case 'L':
+ flags |= LONGDBL;
+ goto rflag;
+#endif
+ case 'h':
+ if (flags & SHORTINT) {
+ flags &= ~SHORTINT;
+ flags |= CHARINT;
+ } else
+ flags |= SHORTINT;
+ goto rflag;
+ case 'j':
+ flags |= INTMAXT;
+ goto rflag;
+ case 'l':
+ if (flags & LONGINT) {
+ flags &= ~LONGINT;
+ flags |= LLONGINT;
+ } else
+ flags |= LONGINT;
+ goto rflag;
+ case 'q':
+ flags |= LLONGINT; /* not necessarily */
+ goto rflag;
+ case 't':
+ flags |= PTRDIFFT;
+ goto rflag;
+ case 'z':
+ flags |= SIZET;
+ goto rflag;
+ case 'C':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 'c':
+#ifdef VECTORS
+ if (flags & VECTOR)
+ break;
+#endif /* VECTORS */
+ if (flags & LONGINT)
+ *(cp = buf) = (wchar_t)GETARG(wint_t);
+ else
+ *(cp = buf) = (wchar_t)btowc_l(GETARG(int), loc);
+ size = 1;
+ sign = '\0';
+ break;
+ case 'D':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 'd':
+ case 'i':
+#ifdef VECTORS
+ if (flags & VECTOR)
+ break;
+#endif /* VECTORS */
+ if (flags & INTMAX_SIZE) {
+ ujval = SJARG();
+ if ((intmax_t)ujval < 0) {
+ ujval = -ujval;
+ sign = '-';
+ }
+ } else {
+ ulval = SARG();
+ if ((long)ulval < 0) {
+ ulval = -ulval;
+ sign = '-';
+ }
+ }
+ base = 10;
+ goto number;
+#ifndef NO_FLOATING_POINT
+ case 'a':
+ case 'A':
+#ifdef VECTORS
+ if (flags & VECTOR) {
+ flags |= FPT;
+ break;
+ }
+#endif /* VECTORS */
+ if (ch == 'a') {
+ ox[1] = 'x';
+ xdigs = xdigs_lower;
+ expchar = 'p';
+ } else {
+ ox[1] = 'X';
+ xdigs = xdigs_upper;
+ expchar = 'P';
+ }
+ if (prec >= 0)
+ prec++;
+#ifdef LDBL_COMPAT
+ fparg.dbl = GETARG(double);
+ dtoaresult =
+ __hdtoa(fparg.dbl, xdigs, prec,
+ &expt, &signflag, &dtoaend);
+#else /* !LDBL_COMPAT */
+ if (flags & LONGDBL) {
+ fparg.ldbl = GETARG(long double);
+ dtoaresult =
+ __hldtoa(fparg.ldbl, xdigs, prec,
+ &expt, &signflag, &dtoaend);
+ } else {
+ fparg.dbl = GETARG(double);
+ dtoaresult =
+ __hdtoa(fparg.dbl, xdigs, prec,
+ &expt, &signflag, &dtoaend);
+ }
+#endif /* LDBL_COMPAT */
+ if (prec < 0)
+ prec = dtoaend - dtoaresult;
+ if (expt == INT_MAX)
+ ox[1] = '\0';
+ if (convbuf != NULL)
+ free(convbuf);
+ ndig = dtoaend - dtoaresult;
+ cp = convbuf = __mbsconv(dtoaresult, -1, loc);
+ freedtoa(dtoaresult);
+ goto fp_common;
+ case 'e':
+ case 'E':
+#ifdef VECTORS
+ if (flags & VECTOR) {
+ flags |= FPT;
+ break;
+ }
+#endif /* VECTORS */
+ expchar = ch;
+ if (prec < 0) /* account for digit before decpt */
+ prec = DEFPREC + 1;
+ else
+ prec++;
+ goto fp_begin;
+ case 'f':
+ case 'F':
+#ifdef VECTORS
+ if (flags & VECTOR) {
+ flags |= FPT;
+ break;
+ }
+#endif /* VECTORS */
+ expchar = '\0';
+ goto fp_begin;
+ case 'g':
+ case 'G':
+#ifdef VECTORS
+ if (flags & VECTOR) {
+ flags |= FPT;
+ break;
+ }
+#endif /* VECTORS */
+ expchar = ch - ('g' - 'e');
+ if (prec == 0)
+ prec = 1;
+fp_begin:
+ if (prec < 0)
+ prec = DEFPREC;
+ if (convbuf != NULL)
+ free(convbuf);
+#ifdef LDBL_COMPAT
+ fparg.dbl = GETARG(double);
+ dtoaresult =
+ dtoa(fparg.dbl, expchar ? 2 : 3, prec,
+ &expt, &signflag, &dtoaend);
+ if (expt == 9999)
+ expt = INT_MAX;
+#else /* !LDBL_COMPAT */
+ if (flags & LONGDBL) {
+ fparg.ldbl = GETARG(long double);
+ dtoaresult =
+ __ldtoa(&fparg.ldbl, expchar ? 2 : 3, prec,
+ &expt, &signflag, &dtoaend);
+ } else {
+ fparg.dbl = GETARG(double);
+ dtoaresult =
+ dtoa(fparg.dbl, expchar ? 2 : 3, prec,
+ &expt, &signflag, &dtoaend);
+ if (expt == 9999)
+ expt = INT_MAX;
+ }
+#endif /* LDBL_COMPAT */
+ ndig = dtoaend - dtoaresult;
+ cp = convbuf = __mbsconv(dtoaresult, -1, loc);
+ freedtoa(dtoaresult);
+fp_common:
+ if (signflag)
+ sign = '-';
+ if (expt == INT_MAX) { /* inf or nan */
+ if (*cp == 'N') {
+ cp = (ch >= 'a') ? L"nan" : L"NAN";
+ sign = '\0';
+ } else
+ cp = (ch >= 'a') ? L"inf" : L"INF";
+ size = 3;
+ break;
+ }
+ flags |= FPT;
+ if (ch == 'g' || ch == 'G') {
+ if (expt > -4 && expt <= prec) {
+ /* Make %[gG] smell like %[fF] */
+ expchar = '\0';
+ if (flags & ALT)
+ prec -= expt;
+ else
+ prec = ndig - expt;
+ if (prec < 0)
+ prec = 0;
+ } else {
+ /*
+ * Make %[gG] smell like %[eE], but
+ * trim trailing zeroes if no # flag.
+ */
+ if (!(flags & ALT))
+ prec = ndig;
+ }
+ }
+ if (expchar) {
+ expsize = exponent(expstr, expt - 1, expchar);
+ size = expsize + prec;
+ if (prec > 1 || flags & ALT)
+ ++size;
+ } else {
+ /* space for digits before decimal point */
+ if (expt > 0)
+ size = expt;
+ else /* "0" */
+ size = 1;
+ /* space for decimal pt and following digits */
+ if (prec || flags & ALT)
+ size += prec + 1;
+ if (grouping && expt > 0) {
+ /* space for thousands' grouping */
+ nseps = nrepeats = 0;
+ lead = expt;
+ while (*grouping != CHAR_MAX) {
+ if (lead <= *grouping)
+ break;
+ lead -= *grouping;
+ if (*(grouping+1)) {
+ nseps++;
+ grouping++;
+ } else
+ nrepeats++;
+ }
+ size += nseps + nrepeats;
+ } else
+ lead = expt;
+ }
+ break;
+#endif /* !NO_FLOATING_POINT */
+ case 'n':
+ /*
+ * Assignment-like behavior is specified if the
+ * value overflows or is otherwise unrepresentable.
+ * C99 says to use `signed char' for %hhn conversions.
+ */
+ if (flags & LLONGINT)
+ *GETARG(long long *) = ret;
+ else if (flags & SIZET)
+ *GETARG(ssize_t *) = (ssize_t)ret;
+ else if (flags & PTRDIFFT)
+ *GETARG(ptrdiff_t *) = ret;
+ else if (flags & INTMAXT)
+ *GETARG(intmax_t *) = ret;
+ else if (flags & LONGINT)
+ *GETARG(long *) = ret;
+ else if (flags & SHORTINT)
+ *GETARG(short *) = ret;
+ else if (flags & CHARINT)
+ *GETARG(signed char *) = ret;
+ else
+ *GETARG(int *) = ret;
+ continue; /* no output */
+ case 'O':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 'o':
+#ifdef VECTORS
+ if (flags & VECTOR)
+ break;
+#endif /* VECTORS */
+ if (flags & INTMAX_SIZE)
+ ujval = UJARG();
+ else
+ ulval = UARG();
+ base = 8;
+ goto nosign;
+ case 'p':
+ /*-
+ * ``The argument shall be a pointer to void. The
+ * value of the pointer is converted to a sequence
+ * of printable characters, in an implementation-
+ * defined manner.''
+ * -- ANSI X3J11
+ */
+#ifdef VECTORS
+ if (flags & VECTOR)
+ break;
+#endif /* VECTORS */
+ ujval = (uintmax_t)(uintptr_t)GETARG(void *);
+ base = 16;
+ xdigs = xdigs_lower;
+ flags = flags | INTMAXT;
+ ox[1] = 'x';
+ goto nosign;
+ case 'S':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 's':
+ if (flags & LONGINT) {
+ if ((cp = GETARG(wchar_t *)) == NULL)
+ cp = L"(null)";
+ } else {
+ char *mbp;
+
+ if (convbuf != NULL)
+ free(convbuf);
+ if ((mbp = GETARG(char *)) == NULL)
+ cp = L"(null)";
+ else {
+ convbuf = __mbsconv(mbp, prec, loc);
+ if (convbuf == NULL) {
+ fp->_flags |= __SERR;
+ goto error;
+ }
+ cp = convbuf;
+ }
+ }
+
+ if (prec >= 0) {
+ /*
+ * can't use wcslen; can only look for the
+ * NUL in the first `prec' characters, and
+ * wcslen() will go further.
+ */
+ wchar_t *p = wmemchr(cp, 0, (size_t)prec);
+
+ if (p != NULL) {
+ size = p - cp;
+ if (size > prec)
+ size = prec;
+ } else
+ size = prec;
+ } else
+ size = wcslen(cp);
+ sign = '\0';
+ break;
+ case 'U':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 'u':
+#ifdef VECTORS
+ if (flags & VECTOR)
+ break;
+#endif /* VECTORS */
+ if (flags & INTMAX_SIZE)
+ ujval = UJARG();
+ else
+ ulval = UARG();
+ base = 10;
+ goto nosign;
+ case 'X':
+ xdigs = xdigs_upper;
+ goto hex;
+ case 'x':
+ xdigs = xdigs_lower;
+hex:
+#ifdef VECTORS
+ if (flags & VECTOR)
+ break;
+#endif /* VECTORS */
+ if (flags & INTMAX_SIZE)
+ ujval = UJARG();
+ else
+ ulval = UARG();
+ base = 16;
+ /* leading 0x/X only if non-zero */
+ if (flags & ALT &&
+ (flags & INTMAX_SIZE ? ujval != 0 : ulval != 0))
+ ox[1] = ch;
+
+ flags &= ~GROUPING;
+ /* unsigned conversions */
+nosign: sign = '\0';
+ /*-
+ * ``... diouXx conversions ... if a precision is
+ * specified, the 0 flag will be ignored.''
+ * -- ANSI X3J11
+ */
+number: if ((dprec = prec) >= 0)
+ flags &= ~ZEROPAD;
+
+ /*-
+ * ``The result of converting a zero value with an
+ * explicit precision of zero is no characters.''
+ * -- ANSI X3J11
+ * except for %#.0o and zero value
+ */
+ cp = buf + BUF;
+ if (flags & INTMAX_SIZE) {
+ if (ujval != 0 || prec != 0)
+ cp = __ujtoa(ujval, cp, base,
+ flags & ALT, xdigs,
+ flags & GROUPING, thousands_sep,
+ grouping);
+ } else {
+ if (ulval != 0 || prec != 0 || (flags & ALT))
+ cp = __ultoa(ulval, cp, base,
+ flags & ALT, xdigs,
+ flags & GROUPING, thousands_sep,
+ grouping);
+ }
+ size = buf + BUF - cp;
+ if (size > BUF) /* should never happen */
+ abort();
+ break;
+#ifdef VECTORS
+ case 'v':
+ flags |= VECTOR;
+ goto rflag;
+#endif /* VECTORS */
+ default: /* "%?" prints ?, unless ? is NUL */
+ if (ch == '\0')
+ goto done;
+ /* pretend it was %c with argument ch */
+ cp = buf;
+ *cp = ch;
+ size = 1;
+ sign = '\0';
+ break;
+ }
+
+#ifdef VECTORS
+ if (flags & VECTOR) {
+ /*
+ * Do the minimum amount of work necessary to construct
+ * a format specifier that can be used to recursively
+ * call vfprintf() for each element in the vector.
+ */
+ int i, j; /* Counter. */
+ int vcnt; /* Number of elements in vector. */
+ char *vfmt; /* Pointer to format specifier. */
+#define EXTRAHH 2
+ char vfmt_buf[32 + EXTRAHH]; /* Static buffer for format spec. */
+ int vwidth = 0; /* Width specified via '*'. */
+ int vprec = 0; /* Precision specified via '*'. */
+ char *vstr; /* Used for asprintf(). */
+ int vlen; /* Length returned by asprintf(). */
+ enum {
+ V_CHAR, V_SHORT, V_INT,
+ V_PCHAR, V_PSHORT, V_PINT,
+ V_FLOAT,
+#ifdef V64TYPE
+ V_LONGLONG, V_PLONGLONG,
+ V_DOUBLE,
+#endif /* V64TYPE */
+ } vtype;
+
+ vval.vectorarg = GETARG(VECTORTYPE);
+ /*
+ * Set vfmt. If vfmt_buf may not be big enough,
+ * malloc() space, taking care to free it later.
+ * (EXTRAHH is for possible extra "hh")
+ */
+ if (&fmt[-1] - pct + EXTRAHH < sizeof(vfmt_buf))
+ vfmt = vfmt_buf;
+ else
+ vfmt = (char *)malloc(&fmt[-1] - pct + EXTRAHH + 1);
+
+ /* Set the separator character, if not specified. */
+ if (vsep == 'X') {
+ if (ch == 'c')
+ vsep = '\0';
+ else
+ vsep = ' ';
+ }
+
+ /* Create the format specifier. */
+ for (i = j = 0; i < &fmt[-1] - pct; i++) {
+ switch (pct[i]) {
+ case ',': case ';': case ':': case '_':
+ case 'v': case 'h': case 'l':
+ /* Ignore. */
+ break;
+ case '*':
+ if (pct[i - 1] != '.')
+ vwidth = 1;
+ else
+ vprec = 1;
+ /* FALLTHROUGH */
+ default:
+ vfmt[j++] = pct[i];
+ }
+ }
+
+ /*
+ * Determine the number of elements in the vector and
+ * finish up the format specifier.
+ */
+ if (flags & SHORTINT) {
+ switch (ch) {
+ case 'c':
+ vtype = V_SHORT;
+ break;
+ case 'p':
+ vtype = V_PSHORT;
+ break;
+ default:
+ vfmt[j++] = 'h';
+ vtype = V_SHORT;
+ break;
+ }
+ vcnt = 8;
+ } else if (flags & LONGINT) {
+ vcnt = 4;
+ vtype = (ch == 'p') ? V_PINT : V_INT;
+#ifdef V64TYPE
+ } else if (flags & LLONGINT) {
+ switch (ch) {
+ case 'a':
+ case 'A':
+ case 'e':
+ case 'E':
+ case 'f':
+ case 'g':
+ case 'G':
+ vcnt = 2;
+ vtype = V_DOUBLE;
+ break;
+ case 'd':
+ case 'i':
+ case 'u':
+ case 'o':
+ case 'p':
+ case 'x':
+ case 'X':
+ vfmt[j++] = 'l';
+ vfmt[j++] = 'l';
+ vcnt = 2;
+ vtype = (ch == 'p') ? V_PLONGLONG : V_LONGLONG;
+ break;
+ default:
+ /*
+ * The default case should never
+ * happen.
+ */
+ case 'c':
+ vcnt = 16;
+ vtype = V_CHAR;
+ }
+#endif /* V64TYPE */
+ } else {
+ switch (ch) {
+ case 'a':
+ case 'A':
+ case 'e':
+ case 'E':
+ case 'f':
+ case 'g':
+ case 'G':
+ vcnt = 4;
+ vtype = V_FLOAT;
+ break;
+ default:
+ /*
+ * The default case should never
+ * happen.
+ */
+ case 'd':
+ case 'i':
+ case 'u':
+ case 'o':
+ case 'x':
+ case 'X':
+ vfmt[j++] = 'h';
+ vfmt[j++] = 'h';
+ /* drop through */
+ case 'p':
+ case 'c':
+ vcnt = 16;
+ vtype = (ch == 'p') ? V_PCHAR : V_CHAR;
+ }
+ }
+ vfmt[j++] = ch;
+ vfmt[j++] = '\0';
+
+/* Get a vector element. */
+#ifdef V64TYPE
+#define VPRINT(type, ind, args...) do { \
+ switch (type) { \
+ case V_CHAR: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vuchararg[ind]); \
+ break; \
+ case V_PCHAR: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, (void *)(long)vval.vuchararg[ind]); \
+ break; \
+ case V_SHORT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vushortarg[ind]); \
+ break; \
+ case V_PSHORT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, (void *)(long)vval.vushortarg[ind]); \
+ break; \
+ case V_INT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vuintarg[ind]); \
+ break; \
+ case V_PINT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, (void *)(long)vval.vuintarg[ind]); \
+ break; \
+ case V_LONGLONG: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vulonglongarg[ind]); \
+ break; \
+ case V_PLONGLONG: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, (void *)(long)vval.vulonglongarg[ind]); \
+ break; \
+ case V_FLOAT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vfloatarg[ind]); \
+ break; \
+ case V_DOUBLE: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vdoublearg[ind]); \
+ break; \
+ } \
+ ret += vlen; \
+ PRINT(vstr, vlen); \
+ free(vstr); \
+} while (0)
+#else /* !V64TYPE */
+#define VPRINT(type, ind, args...) do { \
+ switch (type) { \
+ case V_CHAR: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vuchararg[ind]); \
+ break; \
+ case V_PCHAR: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, (void *)(long)vval.vuchararg[ind]); \
+ break; \
+ case V_SHORT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vushortarg[ind]); \
+ break; \
+ case V_PSHORT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, (void *)(long)vval.vushortarg[ind]); \
+ break; \
+ case V_INT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vuintarg[ind]); \
+ break; \
+ case V_PINT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, (void *)(long)vval.vuintarg[ind]); \
+ break; \
+ case V_FLOAT: \
+ vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vfloatarg[ind]); \
+ break; \
+ } \
+ ret += vlen; \
+ PRINT(vstr, vlen); \
+ free(vstr); \
+} while (0)
+#endif /* V64TYPE */
+
+ /* Actually print. */
+ if (vwidth == 0) {
+ if (vprec == 0) {
+ /* First element. */
+ VPRINT(vtype, 0);
+ for (i = 1; i < vcnt; i++) {
+ /* Separator. */
+ if(vsep)
+ PRINT(&vsep, 1);
+
+ /* Element. */
+ VPRINT(vtype, i);
+ }
+ } else {
+ /* First element. */
+ VPRINT(vtype, 0, prec);
+ for (i = 1; i < vcnt; i++) {
+ /* Separator. */
+ if(vsep)
+ PRINT(&vsep, 1);
+
+ /* Element. */
+ VPRINT(vtype, i, prec);
+ }
+ }
+ } else {
+ if (vprec == 0) {
+ /* First element. */
+ VPRINT(vtype, 0, width);
+ for (i = 1; i < vcnt; i++) {
+ /* Separator. */
+ if(vsep)
+ PRINT(&vsep, 1);
+
+ /* Element. */
+ VPRINT(vtype, i, width);
+ }
+ } else {
+ /* First element. */
+ VPRINT(vtype, 0, width, prec);
+ for (i = 1; i < vcnt; i++) {
+ /* Separator. */
+ if(vsep)
+ PRINT(&vsep, 1);
+
+ /* Element. */
+ VPRINT(vtype, i, width, prec);
+ }
+ }
+ }
+#undef VPRINT
+
+ if (vfmt != vfmt_buf)
+ free(vfmt);
+
+ continue;
+ }
+#endif /* VECTORS */
+ /*
+ * All reasonable formats wind up here. At this point, `cp'
+ * points to a string which (if not flags&LADJUST) should be
+ * padded out to `width' places. If flags&ZEROPAD, it should
+ * first be prefixed by any sign or other prefix; otherwise,
+ * it should be blank padded before the prefix is emitted.
+ * After any left-hand padding and prefixing, emit zeroes
+ * required by a decimal [diouxX] precision, then print the
+ * string proper, then emit zeroes required by any leftover
+ * floating precision; finally, if LADJUST, pad with blanks.
+ *
+ * Compute actual size, so we know how much to pad.
+ * size excludes decimal prec; realsz includes it.
+ */
+ realsz = dprec > size ? dprec : size;
+ if (sign)
+ realsz++;
+ if (ox[1])
+ realsz += 2;
+
+ prsize = width > realsz ? width : realsz;
+ if ((unsigned)ret + prsize > INT_MAX) {
+ ret = EOF;
+ goto error;
+ }
+
+ /* right-adjusting blank padding */
+ if ((flags & (LADJUST|ZEROPAD)) == 0)
+ PAD(width - realsz, blanks);
+
+ /* prefix */
+ if (sign)
+ PRINT(&sign, 1);
+
+ if (ox[1]) { /* ox[1] is either x, X, or \0 */
+ ox[0] = '0';
+ PRINT(ox, 2);
+ }
+
+ /* right-adjusting zero padding */
+ if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD)
+ PAD(width - realsz, zeroes);
+
+ /* leading zeroes from decimal precision */
+ PAD(dprec - size, zeroes);
+
+ /* the string or number proper */
+#ifndef NO_FLOATING_POINT
+ if ((flags & FPT) == 0) {
+ PRINT(cp, size);
+ } else { /* glue together f_p fragments */
+ if (!expchar) { /* %[fF] or sufficiently short %[gG] */
+ if (expt <= 0) {
+ PRINT(zeroes, 1);
+ if (prec || flags & ALT)
+ PRINT(&decimal_point, 1);
+ PAD(-expt, zeroes);
+ /* already handled initial 0's */
+ prec += expt;
+ } else {
+ PRINTANDPAD(cp, convbuf + ndig, lead, zeroes);
+ cp += lead;
+ if (grouping) {
+ while (nseps>0 || nrepeats>0) {
+ if (nrepeats > 0)
+ nrepeats--;
+ else {
+ grouping--;
+ nseps--;
+ }
+ PRINT(&thousands_sep,
+ 1);
+ PRINTANDPAD(cp,
+ convbuf + ndig,
+ *grouping, zeroes);
+ cp += *grouping;
+ }
+ if (cp > convbuf + ndig)
+ cp = convbuf + ndig;
+ }
+ if (prec || flags & ALT) {
+ PRINT(&decimal_point, 1);
+ }
+ }
+ PRINTANDPAD(cp, convbuf + ndig, prec, zeroes);
+ } else { /* %[eE] or sufficiently long %[gG] */
+ if (prec > 1 || flags & ALT) {
+ buf[0] = *cp++;
+ buf[1] = decimal_point;
+ PRINT(buf, 2);
+ PRINT(cp, ndig-1);
+ PAD(prec - ndig, zeroes);
+ } else /* XeYYY */
+ PRINT(cp, 1);
+ PRINT(expstr, expsize);
+ }
+ }
+#else
+ PRINT(cp, size);
+#endif
+ /* left-adjusting padding (always blank) */
+ if (flags & LADJUST)
+ PAD(width - realsz, blanks);
+
+ /* finally, adjust ret */
+ ret += prsize;
+ }
+done:
+error:
+ va_end(orgap);
+ if (convbuf != NULL)
+ free(convbuf);
+ if (__sferror(fp))
+ ret = EOF;
+ if ((argtable != NULL) && (argtable != statargtable))
+ free (argtable);
+ return (ret);
+ /* NOTREACHED */
+}
+
+/*
+ * Find all arguments when a positional parameter is encountered. Returns a
+ * table, indexed by argument number, of pointers to each arguments. The
+ * initial argument table should be an array of STATIC_ARG_TBL_SIZE entries.
+ * It will be replaces with a malloc-ed one if it overflows.
+ */
+static void
+__find_arguments (const wchar_t *fmt0, va_list ap, union arg **argtable)
+{
+ wchar_t *fmt; /* format string */
+ wchar_t ch; /* character from fmt */
+ int n, n2; /* handy integer (short term usage) */
+ wchar_t *cp; /* handy char pointer (short term usage) */
+ int flags; /* flags as above */
+ int width; /* width from format (%8d), or 0 */
+ enum typeid *typetable; /* table of types */
+ enum typeid stattypetable [STATIC_ARG_TBL_SIZE];
+ int tablesize; /* current size of type table */
+ int tablemax; /* largest used index in table */
+ int nextarg; /* 1-based argument index */
+
+ /*
+ * Add an argument type to the table, expanding if necessary.
+ */
+#define ADDTYPE(type) \
+ ((nextarg >= tablesize) ? \
+ __grow_type_table(nextarg, &typetable, &tablesize) : (void)0, \
+ (nextarg > tablemax) ? tablemax = nextarg : 0, \
+ typetable[nextarg++] = type)
+
+#define ADDSARG() \
+ ((flags&INTMAXT) ? ADDTYPE(T_INTMAXT) : \
+ ((flags&SIZET) ? ADDTYPE(T_SIZET) : \
+ ((flags&PTRDIFFT) ? ADDTYPE(T_PTRDIFFT) : \
+ ((flags&LLONGINT) ? ADDTYPE(T_LLONG) : \
+ ((flags&LONGINT) ? ADDTYPE(T_LONG) : ADDTYPE(T_INT))))))
+
+#define ADDUARG() \
+ ((flags&INTMAXT) ? ADDTYPE(T_UINTMAXT) : \
+ ((flags&SIZET) ? ADDTYPE(T_SIZET) : \
+ ((flags&PTRDIFFT) ? ADDTYPE(T_PTRDIFFT) : \
+ ((flags&LLONGINT) ? ADDTYPE(T_U_LLONG) : \
+ ((flags&LONGINT) ? ADDTYPE(T_U_LONG) : ADDTYPE(T_U_INT))))))
+
+ /*
+ * Add * arguments to the type array.
+ */
+#define ADDASTER() \
+ n2 = 0; \
+ cp = fmt; \
+ while (is_digit(*cp)) { \
+ n2 = 10 * n2 + to_digit(*cp); \
+ cp++; \
+ } \
+ if (*cp == '$') { \
+ int hold = nextarg; \
+ nextarg = n2; \
+ ADDTYPE (T_INT); \
+ nextarg = hold; \
+ fmt = ++cp; \
+ } else { \
+ ADDTYPE (T_INT); \
+ }
+ fmt = (wchar_t *)fmt0;
+ typetable = stattypetable;
+ tablesize = STATIC_ARG_TBL_SIZE;
+ tablemax = 0;
+ nextarg = 1;
+ for (n = 0; n < STATIC_ARG_TBL_SIZE; n++)
+ typetable[n] = T_UNUSED;
+
+ /*
+ * Scan the format for conversions (`%' character).
+ */
+ for (;;) {
+ for (cp = fmt; (ch = *fmt) != '\0' && ch != '%'; fmt++)
+ /* void */;
+ if (ch == '\0')
+ goto done;
+ fmt++; /* skip over '%' */
+
+ flags = 0;
+ width = 0;
+
+rflag: ch = *fmt++;
+reswitch: switch (ch) {
+ case ' ':
+ case '#':
+ goto rflag;
+ case '*':
+ ADDASTER ();
+ goto rflag;
+ case '-':
+ case '+':
+ case '\'':
+ goto rflag;
+ case '.':
+ if ((ch = *fmt++) == '*') {
+ ADDASTER ();
+ goto rflag;
+ }
+ while (is_digit(ch)) {
+ ch = *fmt++;
+ }
+ goto reswitch;
+ case '0':
+ goto rflag;
+ case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ n = 0;
+ do {
+ n = 10 * n + to_digit(ch);
+ ch = *fmt++;
+ } while (is_digit(ch));
+ if (ch == '$') {
+ nextarg = n;
+ goto rflag;
+ }
+ width = n;
+ goto reswitch;
+#ifndef NO_FLOATING_POINT
+ case 'L':
+ flags |= LONGDBL;
+ goto rflag;
+#endif
+ case 'h':
+ if (flags & SHORTINT) {
+ flags &= ~SHORTINT;
+ flags |= CHARINT;
+ } else
+ flags |= SHORTINT;
+ goto rflag;
+ case 'j':
+ flags |= INTMAXT;
+ goto rflag;
+ case 'l':
+ if (flags & LONGINT) {
+ flags &= ~LONGINT;
+ flags |= LLONGINT;
+ } else
+ flags |= LONGINT;
+ goto rflag;
+ case 'q':
+ flags |= LLONGINT; /* not necessarily */
+ goto rflag;
+ case 't':
+ flags |= PTRDIFFT;
+ goto rflag;
+ case 'z':
+ flags |= SIZET;
+ goto rflag;
+ case 'C':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 'c':
+ if (flags & LONGINT)
+ ADDTYPE(T_WINT);
+ else
+#ifdef VECTORS
+ if (flags & VECTOR)
+ ADDTYPE(T_VECTOR);
+ else
+#endif /* VECTORS */
+ ADDTYPE(T_INT);
+ break;
+ case 'D':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 'd':
+ case 'i':
+#ifdef VECTORS
+ if (flags & VECTOR)
+ ADDTYPE(T_VECTOR);
+ else
+#endif /* VECTORS */
+ ADDSARG();
+ break;
+#ifndef NO_FLOATING_POINT
+ case 'a':
+ case 'A':
+ case 'e':
+ case 'E':
+ case 'f':
+ case 'F':
+ case 'g':
+ case 'G':
+#ifdef VECTORS
+ if (flags & VECTOR)
+ ADDTYPE(T_VECTOR);
+ else
+#endif /* VECTORS */
+ if (flags & LONGDBL)
+ ADDTYPE(T_LONG_DOUBLE);
+ else
+ ADDTYPE(T_DOUBLE);
+ break;
+#endif /* !NO_FLOATING_POINT */
+ case 'n':
+ if (flags & INTMAXT)
+ ADDTYPE(TP_INTMAXT);
+ else if (flags & PTRDIFFT)
+ ADDTYPE(TP_PTRDIFFT);
+ else if (flags & SIZET)
+ ADDTYPE(TP_SIZET);
+ else if (flags & LLONGINT)
+ ADDTYPE(TP_LLONG);
+ else if (flags & LONGINT)
+ ADDTYPE(TP_LONG);
+ else if (flags & SHORTINT)
+ ADDTYPE(TP_SHORT);
+ else if (flags & CHARINT)
+ ADDTYPE(TP_SCHAR);
+ else
+ ADDTYPE(TP_INT);
+ continue; /* no output */
+ case 'O':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 'o':
+#ifdef VECTORS
+ if (flags & VECTOR)
+ ADDTYPE(T_VECTOR);
+ else
+#endif /* VECTORS */
+ ADDUARG();
+ break;
+ case 'p':
+#ifdef VECTORS
+ if (flags & VECTOR)
+ ADDTYPE(T_VECTOR);
+ else
+#endif /* VECTORS */
+ ADDTYPE(TP_VOID);
+ break;
+ case 'S':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 's':
+ if (flags & LONGINT)
+ ADDTYPE(TP_WCHAR);
+ else
+ ADDTYPE(TP_CHAR);
+ break;
+ case 'U':
+ flags |= LONGINT;
+ /*FALLTHROUGH*/
+ case 'u':
+ case 'X':
+ case 'x':
+#ifdef VECTORS
+ if (flags & VECTOR)
+ ADDTYPE(T_VECTOR);
+ else
+#endif /* VECTORS */
+ ADDUARG();
+ break;
+ default: /* "%?" prints ?, unless ? is NUL */
+ if (ch == '\0')
+ goto done;
+ break;
+ }
+ }
+done:
+ /*
+ * Build the argument table.
+ */
+ if (tablemax >= STATIC_ARG_TBL_SIZE) {
+ *argtable = (union arg *)
+ malloc (sizeof (union arg) * (tablemax + 1));
+ }
+
+ (*argtable) [0].intarg = 0;
+ for (n = 1; n <= tablemax; n++) {
+ switch (typetable [n]) {
+ case T_UNUSED: /* whoops! */
+ (*argtable) [n].intarg = va_arg (ap, int);
+ break;
+ case TP_SCHAR:
+ (*argtable) [n].pschararg = va_arg (ap, signed char *);
+ break;
+ case TP_SHORT:
+ (*argtable) [n].pshortarg = va_arg (ap, short *);
+ break;
+ case T_INT:
+ (*argtable) [n].intarg = va_arg (ap, int);
+ break;
+ case T_U_INT:
+ (*argtable) [n].uintarg = va_arg (ap, unsigned int);
+ break;
+ case TP_INT:
+ (*argtable) [n].pintarg = va_arg (ap, int *);
+ break;
+ case T_LONG:
+ (*argtable) [n].longarg = va_arg (ap, long);
+ break;
+ case T_U_LONG:
+ (*argtable) [n].ulongarg = va_arg (ap, unsigned long);
+ break;
+ case TP_LONG:
+ (*argtable) [n].plongarg = va_arg (ap, long *);
+ break;
+ case T_LLONG:
+ (*argtable) [n].longlongarg = va_arg (ap, long long);
+ break;
+ case T_U_LLONG:
+ (*argtable) [n].ulonglongarg = va_arg (ap, unsigned long long);
+ break;
+ case TP_LLONG:
+ (*argtable) [n].plonglongarg = va_arg (ap, long long *);
+ break;
+ case T_PTRDIFFT:
+ (*argtable) [n].ptrdiffarg = va_arg (ap, ptrdiff_t);
+ break;
+ case TP_PTRDIFFT:
+ (*argtable) [n].pptrdiffarg = va_arg (ap, ptrdiff_t *);
+ break;
+ case T_SIZET:
+ (*argtable) [n].sizearg = va_arg (ap, size_t);
+ break;
+ case TP_SIZET:
+ (*argtable) [n].psizearg = va_arg (ap, size_t *);
+ break;
+ case T_INTMAXT:
+ (*argtable) [n].intmaxarg = va_arg (ap, intmax_t);
+ break;
+ case T_UINTMAXT:
+ (*argtable) [n].uintmaxarg = va_arg (ap, uintmax_t);
+ break;
+ case TP_INTMAXT:
+ (*argtable) [n].pintmaxarg = va_arg (ap, intmax_t *);
+ break;
+#ifndef NO_FLOATING_POINT
+ case T_DOUBLE:
+ (*argtable) [n].doublearg = va_arg (ap, double);
+ break;
+ case T_LONG_DOUBLE:
+ (*argtable) [n].longdoublearg = va_arg (ap, long double);
+ break;
+#endif
+#ifdef VECTORS
+ case T_VECTOR:
+ (*argtable) [n].vectorarg = va_arg (ap, VECTORTYPE);
+ break;
+#endif /* VECTORS */
+ case TP_CHAR:
+ (*argtable) [n].pchararg = va_arg (ap, char *);
+ break;
+ case TP_VOID:
+ (*argtable) [n].pvoidarg = va_arg (ap, void *);
+ break;
+ case T_WINT:
+ (*argtable) [n].wintarg = va_arg (ap, wint_t);
+ break;
+ case TP_WCHAR:
+ (*argtable) [n].pwchararg = va_arg (ap, wchar_t *);
+ break;
+ }
+ }
+
+ if ((typetable != NULL) && (typetable != stattypetable))
+ free (typetable);
+}
+
+/*
+ * Increase the size of the type table.
+ */
+static void
+__grow_type_table (int nextarg, enum typeid **typetable, int *tablesize)
+{
+ enum typeid *const oldtable = *typetable;
+ const int oldsize = *tablesize;
+ enum typeid *newtable;
+ int n, newsize = oldsize * 2;
+
+ if (newsize < nextarg + 1)
+ newsize = nextarg + 1;
+ if (oldsize == STATIC_ARG_TBL_SIZE) {
+ if ((newtable = malloc(newsize * sizeof(enum typeid))) == NULL)
+ abort(); /* XXX handle better */
+ bcopy(oldtable, newtable, oldsize * sizeof(enum typeid));
+ } else {
+ newtable = reallocf(oldtable, newsize * sizeof(enum typeid));
+ if (newtable == NULL)
+ abort(); /* XXX handle better */
+ }
+ for (n = oldsize; n < newsize; n++)
+ newtable[n] = T_UNUSED;
+
+ *typetable = newtable;
+ *tablesize = newsize;
+}
+
+
+#ifndef NO_FLOATING_POINT
+
+static int
+exponent(wchar_t *p0, int exp, wchar_t fmtch)
+{
+ wchar_t *p, *t;
+ wchar_t expbuf[MAXEXPDIG];
+
+ p = p0;
+ *p++ = fmtch;
+ if (exp < 0) {
+ exp = -exp;
+ *p++ = '-';
+ }
+ else
+ *p++ = '+';
+ t = expbuf + MAXEXPDIG;
+ if (exp > 9) {
+ do {
+ *--t = to_char(exp % 10);
+ } while ((exp /= 10) > 9);
+ *--t = to_char(exp);
+ for (; t < expbuf + MAXEXPDIG; *p++ = *t++);
+ }
+ else {
+ /*
+ * Exponents for decimal floating point conversions
+ * (%[eEgG]) must be at least two characters long,
+ * whereas exponents for hexadecimal conversions can
+ * be only one character long.
+ */
+ if (fmtch == 'e' || fmtch == 'E')
+ *p++ = '0';
+ *p++ = to_char(exp);
+ }
+ return (p - p0);
+}
+#endif /* !NO_FLOATING_POINT */
projects / apple / libc.git / blobdiff