#if 0
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)vfprintf.c 8.1 (Berkeley) 6/4/93";
#endif
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/stdio/vfwprintf.c,v 1.42 2009/11/25 04:27:55 wollman Exp $");
#include "xlocale_private.h"
#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 <os/assumes.h>
#include <mach-o/dyld_priv.h>
#include "libc_private.h"
#include "local.h"
#include "fvwrite.h"
#include "printflocal.h"
static int __sprint(FILE *, locale_t, struct __suio *);
static int __sbprintf(FILE *, locale_t, const wchar_t *, va_list);
static wint_t __xfputwc(wchar_t, FILE *, locale_t);
static wchar_t *__mbsconv(char *, int, locale_t);
__private_extern__ const char *__fix_nogrouping(const char *);
#define CHAR wchar_t
#include "printfcommon.h"
struct grouping_state {
wchar_t thousands_sep;
const char *grouping;
int lead;
int nseps;
int nrepeats;
};
static const mbstate_t initial_mbs;
static inline wchar_t
get_decpt(locale_t loc)
{
mbstate_t mbs;
wchar_t decpt;
int nconv;
mbs = initial_mbs;
nconv = mbrtowc_l(&decpt, localeconv_l(loc)->decimal_point, MB_CUR_MAX_L(loc), &mbs, loc);
if (nconv == (size_t)-1 || nconv == (size_t)-2)
decpt = '.';
return (decpt);
}
static inline wchar_t
get_thousep(locale_t loc)
{
mbstate_t mbs;
wchar_t thousep;
int nconv;
mbs = initial_mbs;
nconv = mbrtowc_l(&thousep, localeconv_l(loc)->thousands_sep,
MB_CUR_MAX_L(loc), &mbs, loc);
if (nconv == (size_t)-1 || nconv == (size_t)-2)
thousep = '\0';
return (thousep);
}
static int
grouping_init(struct grouping_state *gs, int ndigits, locale_t loc)
{
gs->grouping = __fix_nogrouping(localeconv_l(loc)->grouping);
gs->thousands_sep = get_thousep(loc);
gs->nseps = gs->nrepeats = 0;
gs->lead = ndigits;
while (*gs->grouping != CHAR_MAX) {
if (gs->lead <= *gs->grouping)
break;
gs->lead -= *gs->grouping;
if (*(gs->grouping+1)) {
gs->nseps++;
gs->grouping++;
} else
gs->nrepeats++;
}
return (gs->nseps + gs->nrepeats);
}
static int
grouping_print(struct grouping_state *gs, struct io_state *iop,
const CHAR *cp, const CHAR *ep, locale_t loc)
{
const CHAR *cp0 = cp;
if (io_printandpad(iop, cp, ep, gs->lead, zeroes, loc))
return (-1);
cp += gs->lead;
while (gs->nseps > 0 || gs->nrepeats > 0) {
if (gs->nrepeats > 0)
gs->nrepeats--;
else {
gs->grouping--;
gs->nseps--;
}
if (io_print(iop, &gs->thousands_sep, 1, loc))
return (-1);
if (io_printandpad(iop, cp, ep, *gs->grouping, zeroes, loc))
return (-1);
cp += *gs->grouping;
}
if (cp > ep)
cp = ep;
return (cp - cp0);
}
static int
__sprint(FILE *fp, locale_t loc, struct __suio *uio)
{
struct __siov *iov;
wchar_t *p;
int i, len;
iov = uio->uio_iov;
for (; uio->uio_resid != 0; uio->uio_resid -= len, iov++) {
p = (wchar_t *)iov->iov_base;
len = iov->iov_len;
for (i = 0; i < len; i++) {
if (__xfputwc(p[i], fp, loc) == WEOF)
return (-1);
}
}
uio->uio_iovcnt = 0;
return (0);
}
static int
__sbprintf(FILE *fp, locale_t loc, const wchar_t *fmt, va_list ap)
{
int ret;
FILE fake;
unsigned char buf[BUFSIZ];
struct __sFILEX ext;
fake._extra = &ext;
INITEXTRA(&fake);
if (prepwrite(fp) != 0)
return (EOF);
fake._flags = fp->_flags & ~__SNBF;
fake._file = fp->_file;
fake._cookie = fp->_cookie;
fake._write = fp->_write;
fake._orientation = fp->_orientation;
fake._mbstate = fp->_mbstate;
fake._bf._base = fake._p = buf;
fake._bf._size = fake._w = sizeof(buf);
fake._lbfsize = 0;
ret = __vfwprintf(&fake, loc, fmt, ap);
if (ret >= 0 && __fflush(&fake))
ret = WEOF;
if (fake._flags & __SERR)
fp->_flags |= __SERR;
return (ret);
}
static wint_t
__xfputwc(wchar_t wc, FILE *fp, locale_t loc)
{
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_mbs;
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);
}
static wchar_t *
__mbsconv(char *mbsarg, int prec, locale_t loc)
{
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);
if (prec >= 0) {
p = mbsarg;
insize = nchars = nconv = 0;
mbs = initial_mbs;
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);
nconv = 0;
}
convbuf = malloc((insize + 1) * sizeof(*convbuf));
if (convbuf == NULL)
return (NULL);
wcp = convbuf;
p = mbsarg;
mbs = initial_mbs;
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);
}
int
vfwprintf_l(FILE * __restrict fp, locale_t loc, const wchar_t * __restrict fmt0, va_list ap)
{
int ret;
NORMALIZE_LOCALE(loc);
FLOCKFILE(fp);
if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) &&
fp->_file >= 0)
ret = __sbprintf(fp, loc, fmt0, ap);
else
ret = __vfwprintf(fp, loc, fmt0, ap);
FUNLOCKFILE(fp);
return (ret);
}
int
vfwprintf(FILE * __restrict fp, const wchar_t * __restrict fmt0, va_list ap)
{
return vfwprintf_l(fp, __current_locale(), fmt0, ap);
}
bool __printf_is_memory_read_only(void *addr, size_t size);
#if UINTMAX_MAX <= UINT64_MAX
#define BUF 32
#else
#error "BUF must be large enough to format a uintmax_t"
#endif
__private_extern__ int
__vfwprintf(FILE *fp, locale_t loc, const wchar_t *fmt0, va_list ap)
{
wchar_t *fmt;
wchar_t ch;
ssize_t n, n2;
wchar_t *cp;
int flags;
ssize_t ret;
ssize_t width;
ssize_t prec;
wchar_t sign;
struct grouping_state gs;
#ifndef NO_FLOATING_POINT
wchar_t decimal_point;
int signflag;
union {
double dbl;
long double ldbl;
} fparg;
int expt;
char expchar;
char *dtoaend;
int expsize;
int ndig;
wchar_t expstr[MAXEXPDIG+2];
char *dtoaresult;
#endif
#ifdef VECTORS
union arg vval;
wchar_t *pct;
wchar_t vsep;
#endif
u_long ulval;
uintmax_t ujval;
int base;
int dprec;
ssize_t realsz;
ssize_t size;
ssize_t prsize;
const char *xdigs;
struct io_state io;
wchar_t buf[BUF];
wchar_t ox[2];
union arg *argtable;
union arg statargtable [STATIC_ARG_TBL_SIZE];
int nextarg;
va_list orgap;
wchar_t *convbuf;
static const char xdigs_lower[16] = "0123456789abcdef";
static const char xdigs_upper[16] = "0123456789ABCDEF";
#define PRINT(ptr, len) do { \
if (io_print(&io, (ptr), (len), loc)) \
goto error; \
} while (0)
#define PAD(howmany, with) { \
if (io_pad(&io, (howmany), (with), loc)) \
goto error; \
}
#define PRINTANDPAD(p, ep, len, with) { \
if (io_printandpad(&io, (p), (ep), (len), (with), loc)) \
goto error; \
}
#define FLUSH() { \
if (io_flush(&io, loc)) \
goto error; \
}
#define GETARG(type) \
((argtable != NULL) ? *((type*)(&argtable[nextarg++])) : \
(nextarg++, va_arg(ap, type)))
#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)(unsigned long)GETARG(ptrdiff_t) : \
(uintmax_t)GETARG(unsigned long long))
#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; \
if (__find_warguments (fmt0, orgap, &argtable)) { \
ret = EOF; \
goto error; \
} \
} \
nextarg = n2; \
val = GETARG (int); \
nextarg = hold; \
fmt = ++cp; \
} else { \
val = GETARG (int); \
}
if (prepwrite(fp) != 0) {
errno = EBADF;
return (EOF);
}
ORIENT(fp, 1);
convbuf = NULL;
fmt = (wchar_t *)fmt0;
argtable = NULL;
nextarg = 1;
va_copy(orgap, ap);
io_init(&io, fp);
ret = 0;
#ifndef NO_FLOATING_POINT
decimal_point = get_decpt(loc);
#endif
for (;;) {
for (cp = fmt; (ch = *fmt) != '\0' && ch != '%'; fmt++)
;
if ((n = fmt - cp) != 0) {
if (ret + n > INT_MAX) {
ret = EOF;
errno = EOVERFLOW;
goto error;
}
PRINT(cp, n);
ret += n;
}
if (ch == '\0')
goto done;
#ifdef VECTORS
pct = fmt;
#endif
fmt++;
flags = 0;
dprec = 0;
width = 0;
prec = -1;
gs.grouping = NULL;
sign = '\0';
ox[1] = '\0';
#ifdef VECTORS
vsep = 'X';
#endif
rflag: ch = *fmt++;
reswitch: switch (ch) {
case ' ':
if (!sign)
sign = ' ';
goto rflag;
case '#':
flags |= ALT;
goto rflag;
#ifdef VECTORS
case ',': case ';': case ':': case '_':
vsep = ch;
goto rflag;
#endif
case '*':
GETASTER (width);
if (width >= 0)
goto rflag;
width = -width;
case '-':
flags |= LADJUST;
goto rflag;
case '+':
sign = '+';
goto rflag;
case '\'':
flags |= 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':
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;
if (__find_warguments (fmt0, orgap,
&argtable)) {
ret = EOF;
goto error;
}
}
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;
goto rflag;
case 't':
flags |= PTRDIFFT;
goto rflag;
case 'z':
flags |= SIZET;
goto rflag;
case 'C':
flags |= LONGINT;
case 'c':
#ifdef VECTORS
if (flags & VECTOR)
break;
#endif
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;
case 'd':
case 'i':
#ifdef VECTORS
if (flags & VECTOR)
break;
#endif
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
if (ch == 'a') {
ox[1] = 'x';
xdigs = xdigs_lower;
expchar = 'p';
} else {
ox[1] = 'X';
xdigs = xdigs_upper;
expchar = 'P';
}
if (prec >= 0)
prec++;
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);
}
if (prec < 0)
prec = dtoaend - dtoaresult;
if (expt == INT_MAX)
ox[1] = '\0';
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
expchar = ch;
if (prec < 0)
prec = DEFPREC + 1;
else
prec++;
goto fp_begin;
case 'f':
case 'F':
#ifdef VECTORS
if (flags & VECTOR) {
flags |= FPT;
break;
}
#endif
expchar = '\0';
goto fp_begin;
case 'g':
case 'G':
#ifdef VECTORS
if (flags & VECTOR) {
flags |= FPT;
break;
}
#endif
expchar = ch - ('g' - 'e');
if (prec == 0)
prec = 1;
fp_begin:
if (prec < 0)
prec = DEFPREC;
free(convbuf);
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;
}
ndig = dtoaend - dtoaresult;
cp = convbuf = __mbsconv(dtoaresult, -1, loc);
freedtoa(dtoaresult);
fp_common:
if (signflag)
sign = '-';
if (expt == INT_MAX) {
if (*cp == 'N') {
cp = (ch >= 'a') ? L"nan" : L"NAN";
sign = '\0';
} else
cp = (ch >= 'a') ? L"inf" : L"INF";
size = 3;
flags &= ~ZEROPAD;
break;
}
flags |= FPT;
if (ch == 'g' || ch == 'G') {
if (expt > -4 && expt <= prec) {
expchar = '\0';
if (flags & ALT)
prec -= expt;
else
prec = ndig - expt;
if (prec < 0)
prec = 0;
} else {
if (!(flags & ALT))
prec = ndig;
}
}
if (expchar) {
expsize = exponent(expstr, expt - 1, expchar);
size = expsize + prec;
if (prec > 1 || flags & ALT)
++size;
} else {
if (expt > 0)
size = expt;
else
size = 1;
if (prec || flags & ALT)
size += prec + 1;
if ((flags & GROUPING) && expt > 0)
size += grouping_init(&gs, expt, loc);
}
break;
#endif
case 'n':
{
void *ptr = GETARG(void *);
if (ptr == NULL)
continue;
if (flags & LLONGINT)
*(long long *)ptr = ret;
else if (flags & SIZET)
*(ssize_t *)ptr = (ssize_t)ret;
else if (flags & PTRDIFFT)
*(ptrdiff_t *)ptr = ret;
else if (flags & INTMAXT)
*(intmax_t *)ptr = ret;
else if (flags & LONGINT)
*(long *)ptr = ret;
else if (flags & SHORTINT)
*(short *)ptr = ret;
else if (flags & CHARINT)
*(signed char *)ptr = ret;
else
*(int *)ptr = ret;
continue;
}
case 'O':
flags |= LONGINT;
case 'o':
#ifdef VECTORS
if (flags & VECTOR)
break;
#endif
if (flags & INTMAX_SIZE)
ujval = UJARG();
else
ulval = UARG();
base = 8;
goto nosign;
case 'p':
#ifdef VECTORS
if (flags & VECTOR)
break;
#endif
ujval = (uintmax_t)(uintptr_t)GETARG(void *);
base = 16;
xdigs = xdigs_lower;
flags = flags | INTMAXT;
ox[1] = 'x';
goto nosign;
case 'S':
flags |= LONGINT;
case 's':
if (flags & LONGINT) {
if ((cp = GETARG(wchar_t *)) == NULL)
cp = L"(null)";
} else {
char *mbp;
free(convbuf);
if ((mbp = GETARG(char *)) == NULL) {
convbuf = NULL;
cp = L"(null)";
} else {
convbuf = __mbsconv(mbp, prec, loc);
if (convbuf == NULL) {
fp->_flags |= __SERR;
goto error;
}
cp = convbuf;
}
}
#if 0 // wcsnlen needs API review first
size = (prec >= 0) ? wcsnlen(cp, prec) : wcslen(cp);
#else
size = wcslen(cp);
if (size >= INT_MAX) {
ret = EOF;
errno = EOVERFLOW;
goto error;
}
if(prec >= 0 && prec < size)
size = prec;
#endif
sign = '\0';
break;
case 'U':
flags |= LONGINT;
case 'u':
#ifdef VECTORS
if (flags & VECTOR)
break;
#endif
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
if (flags & INTMAX_SIZE)
ujval = UJARG();
else
ulval = UARG();
base = 16;
if (flags & ALT &&
(flags & INTMAX_SIZE ? ujval != 0 : ulval != 0))
ox[1] = ch;
flags &= ~GROUPING;
nosign: sign = '\0';
number: if ((dprec = prec) >= 0)
flags &= ~ZEROPAD;
cp = buf + BUF;
if (flags & INTMAX_SIZE) {
if (ujval != 0 || prec != 0 ||
(flags & ALT && base == 8))
cp = __ujtoa(ujval, cp, base,
flags & ALT, xdigs);
} else {
if (ulval != 0 || prec != 0 ||
(flags & ALT && base == 8))
cp = __ultoa(ulval, cp, base,
flags & ALT, xdigs);
}
size = buf + BUF - cp;
if (size > BUF)
LIBC_ABORT("size (%zd) > BUF (%d)", size, BUF);
if ((flags & GROUPING) && size != 0)
size += grouping_init(&gs, size, loc);
break;
#ifdef VECTORS
case 'v':
flags |= VECTOR;
goto rflag;
#endif
default:
if (ch == '\0')
goto done;
cp = buf;
*cp = ch;
size = 1;
sign = '\0';
break;
}
#ifdef VECTORS
if (flags & VECTOR) {
int i, j;
int vcnt;
char *vfmt;
#define EXTRAHH 2
char vfmt_buf[32 + EXTRAHH];
int vwidth = 0;
int vprec = 0;
char *vstr;
int vlen;
enum {
V_CHAR, V_SHORT, V_INT,
V_PCHAR, V_PSHORT, V_PINT,
V_FLOAT,
#ifdef V64TYPE
V_LONGLONG, V_PLONGLONG,
V_DOUBLE,
#endif
} vtype;
vval.vectorarg = GETARG(VECTORTYPE);
if (&fmt[-1] - pct + EXTRAHH < sizeof(vfmt_buf))
vfmt = vfmt_buf;
else
vfmt = (char *)malloc(&fmt[-1] - pct + EXTRAHH + 1);
if (vsep == 'X') {
if (ch == 'c')
vsep = '\0';
else
vsep = ' ';
}
for (i = j = 0; i < &fmt[-1] - pct; i++) {
switch (pct[i]) {
case ',': case ';': case ':': case '_':
case 'v': case 'h': case 'l':
break;
case '*':
if (pct[i - 1] != '.')
vwidth = 1;
else
vprec = 1;
default:
vfmt[j++] = pct[i];
}
}
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:
case 'c':
vcnt = 16;
vtype = V_CHAR;
}
#endif
} else {
switch (ch) {
case 'a':
case 'A':
case 'e':
case 'E':
case 'f':
case 'g':
case 'G':
vcnt = 4;
vtype = V_FLOAT;
break;
default:
case 'd':
case 'i':
case 'u':
case 'o':
case 'x':
case 'X':
vfmt[j++] = 'h';
vfmt[j++] = 'h';
case 'p':
case 'c':
vcnt = 16;
vtype = (ch == 'p') ? V_PCHAR : V_CHAR;
}
}
vfmt[j++] = ch;
vfmt[j++] = '\0';
#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 *)(uintptr_t)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 *)(uintptr_t)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 *)(uintptr_t)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 *)(uintptr_t)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((const CHAR *) vstr, vlen); \
free(vstr); \
} while (0)
#else
#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 *)(uintptr_t)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 *)(uintptr_t)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 *)(uintptr_t)vval.vuintarg[ind]); \
break; \
case V_FLOAT: \
vlen = asprintf_l(&vstr, loc, vfmt , ## args, vval.vfloatarg[ind]); \
break; \
} \
ret += vlen; \
PRINT((const CHAR *) vstr, vlen); \
free(vstr); \
} while (0)
#endif
if (vwidth == 0) {
if (vprec == 0) {
VPRINT(vtype, 0);
for (i = 1; i < vcnt; i++) {
if(vsep)
PRINT(&vsep, 1);
VPRINT(vtype, i);
}
} else {
VPRINT(vtype, 0, prec);
for (i = 1; i < vcnt; i++) {
if(vsep)
PRINT(&vsep, 1);
VPRINT(vtype, i, prec);
}
}
} else {
if (vprec == 0) {
VPRINT(vtype, 0, width);
for (i = 1; i < vcnt; i++) {
if(vsep)
PRINT(&vsep, 1);
VPRINT(vtype, i, width);
}
} else {
VPRINT(vtype, 0, width, prec);
for (i = 1; i < vcnt; i++) {
if(vsep)
PRINT(&vsep, 1);
VPRINT(vtype, i, width, prec);
}
}
}
#undef VPRINT
if (vfmt != vfmt_buf)
free(vfmt);
continue;
}
#endif
realsz = dprec > size ? dprec : size;
if (sign)
realsz++;
if (ox[1])
realsz += 2;
prsize = width > realsz ? width : realsz;
if (ret + prsize > INT_MAX) {
ret = EOF;
errno = EOVERFLOW;
goto error;
}
if ((flags & (LADJUST|ZEROPAD)) == 0)
PAD(width - realsz, blanks);
if (sign)
PRINT(&sign, 1);
if (ox[1]) {
ox[0] = '0';
PRINT(ox, 2);
}
if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD)
PAD(width - realsz, zeroes);
#ifndef NO_FLOATING_POINT
if ((flags & FPT) == 0) {
#endif
PAD(dprec - size, zeroes);
if (gs.grouping) {
if (grouping_print(&gs, &io, cp, buf+BUF, loc) < 0)
goto error;
} else {
PRINT(cp, size);
}
#ifndef NO_FLOATING_POINT
} else {
if (!expchar) {
if (expt <= 0) {
PRINT(zeroes, 1);
if (prec || flags & ALT)
PRINT(&decimal_point, 1);
PAD(-expt, zeroes);
prec += expt;
} else {
if (gs.grouping) {
n = grouping_print(&gs, &io,
cp, convbuf + ndig, loc);
if (n < 0)
goto error;
cp += n;
} else {
PRINTANDPAD(cp, convbuf + ndig,
expt, zeroes);
cp += expt;
}
if (prec || flags & ALT)
PRINT(&decimal_point, 1);
}
PRINTANDPAD(cp, convbuf + ndig, prec, zeroes);
} else {
if (prec > 1 || flags & ALT) {
buf[0] = *cp++;
buf[1] = decimal_point;
PRINT(buf, 2);
PRINT(cp, ndig-1);
PAD(prec - ndig, zeroes);
} else
PRINT(cp, 1);
PRINT(expstr, expsize);
}
}
#endif
if (flags & LADJUST)
PAD(width - realsz, blanks);
ret += prsize;
FLUSH();
}
done:
FLUSH();
error:
va_end(orgap);
free(convbuf);
if (__sferror(fp))
ret = EOF;
if ((argtable != NULL) && (argtable != statargtable))
free (argtable);
return (ret < 0 || ret >= INT_MAX) ? -1 : (int)ret;
}