63 #include <sys/types.h>
64 #define u_long unsigned long
65 #define u_short unsigned short
66 #define u_int unsigned int
68 #if !defined(HAVE_STDARG_PROTOTYPES)
70 #define HAVE_STDARG_PROTOTYPES 1
75 #if defined(HAVE_STDARG_PROTOTYPES)
88 #define _BSD_VA_LIST_ va_list
99 # define LONG_MAX 2147483647
104 #if defined(__hpux) && !defined(__GNUC__) && !defined(__STDC__)
114 #if defined(__hpux) && !defined(__GNUC__) || defined(__DECC)
118 #if !defined(__CYGWIN32__) && defined(__hpux) && !defined(__GNUC__)
126 #if SIZEOF_LONG > SIZEOF_INT
131 #define UNINITIALIZED_VAR(x) x = x
133 #define UNINITIALIZED_VAR(x) x
190 #define __SLBF 0x0001
191 #define __SNBF 0x0002
196 #define __SEOF 0x0020
197 #define __SERR 0x0040
198 #define __SMBF 0x0080
199 #define __SAPP 0x0100
200 #define __SSTR 0x0200
201 #define __SOPT 0x0400
202 #define __SNPT 0x0800
203 #define __SOFF 0x1000
204 #define __SMOD 0x2000
210 #define BSD__sfeof(p) (((p)->_flags & __SEOF) != 0)
211 #define BSD__sferror(p) (((p)->_flags & __SERR) != 0)
212 #define BSD__sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
213 #define BSD__sfileno(p) ((p)->_file)
218 #define feof(p) BSD__sfeof(p)
219 #define ferror(p) BSD__sferror(p)
220 #define clearerr(p) BSD__sclearerr(p)
223 #define fileno(p) BSD__sfileno(p)
250 register const char *
p;
251 register struct __siov *iov;
257 #define MIN(a, b) ((a) < (b) ? (a) : (b))
259 #define COPY(n) (void)memcpy((void *)fp->_p, (void *)p, (size_t)(n))
265 #define GETIOV(extra_work) \
269 len = iov->iov_len; \
333 err = (*fp->
vwrite)(fp, uio);
356 #define to_digit(c) ((c) - '0')
357 #define is_digit(c) ((unsigned)to_digit(c) <= 9)
358 #define to_char(n) (char)((n) + '0')
360 #ifdef _HAVE_SANE_QUAD_
368 BSD__uqtoa(
register u_quad_t
val,
char *endp,
int base,
int octzero,
const char *xdigs)
370 register char *
cp = endp;
371 register quad_t sval;
389 if (val > LLONG_MAX) {
405 if (octzero && *cp !=
'0')
411 *--cp = xdigs[val & 15];
435 register char *
cp = endp;
470 if (octzero && *cp !=
'0')
476 *--cp = xdigs[val & 15];
490 #ifdef FLOATING_POINT
502 #define BUF (MAXEXP+MAXFRACT+1)
505 static char *cvt(
double,
int,
int,
char *,
int *,
int,
int *,
char *);
506 static int exponent(
char *,
int,
int);
519 #define HEXPREFIX 0x002
520 #define LADJUST 0x004
521 #define LONGDBL 0x008
522 #define LONGINT 0x010
524 #ifdef _HAVE_SANE_QUAD_
525 #define QUADINT 0x020
528 #define SHORTINT 0x040
529 #define ZEROPAD 0x080
534 register const char *
fmt;
537 register const char *
cp;
538 register struct __siov *iovp;
544 #ifdef FLOATING_POINT
553 #ifdef _HAVE_SANE_QUAD_
561 const char *xdigs = 0;
567 char *
const ebuf = buf +
sizeof(
buf);
568 #if SIZEOF_LONG > SIZEOF_INT
578 static const char blanks[
PADSIZE] =
579 {
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' '};
580 static const char zeroes[
PADSIZE] =
581 {
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0'};
586 #define PRINT(ptr, len) { \
587 iovp->iov_base = (ptr); \
588 iovp->iov_len = (len); \
589 uio.uio_resid += (len); \
591 if (++uio.uio_iovcnt >= NIOV) { \
592 if (BSD__sprint(fp, &uio)) \
597 #define PAD(howmany, with) { \
598 if ((n = (howmany)) > 0) { \
599 while (n > PADSIZE) { \
600 PRINT((with), PADSIZE); \
606 #if SIZEOF_LONG > SIZEOF_INT
608 #define PAD_L(howmany, with) { \
610 if ((long)((int)ln) != ln) { \
614 if (ln > 0) PAD((int)ln, (with)); \
617 #define PAD_L(howmany, with) PAD((howmany), (with))
620 if (uio.uio_resid && BSD__sprint(fp, &uio)) \
622 uio.uio_iovcnt = 0; \
631 (flags&LONGINT ? va_arg(ap, long) : \
632 flags&SHORTINT ? (long)(short)va_arg(ap, int) : \
633 (long)va_arg(ap, int))
635 (flags&LONGINT ? va_arg(ap, u_long) : \
636 flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
637 (u_long)va_arg(ap, u_int))
656 for (cp = fmt; (ch = *
fmt) !=
'\0' && ch !=
'%'; fmt++)
658 if ((nc = fmt - cp) != 0) {
673 reswitch:
switch (ch) {
693 if ((width = va_arg(ap,
int)) >= 0)
704 if ((ch = *fmt++) ==
'*') {
706 prec = n < 0 ? -1 :
n;
714 prec = n < 0 ? -1 :
n;
724 case '1':
case '2':
case '3':
case '4':
725 case '5':
case '6':
case '7':
case '8':
case '9':
733 #ifdef FLOATING_POINT
741 #if SIZEOF_PTRDIFF_T == SIZEOF_LONG
744 #if SIZEOF_SIZE_T == SIZEOF_LONG
748 #ifdef _HAVE_SANE_QUAD_
759 #ifdef _HAVE_SANE_QUAD_
760 #if SIZEOF_PTRDIFF_T == SIZEOF_LONG_LONG
763 #if SIZEOF_SIZE_T == SIZEOF_LONG_LONG
772 if (*fmt ==
'3' && *(fmt + 1) ==
'2') {
776 #ifdef _HAVE_SANE_QUAD_
777 else if (*fmt ==
'6' && *(fmt + 1) ==
'4') {
783 #if defined(_HAVE_SANE_QUAD_) && SIZEOF_SIZE_T == SIZEOF_LONG_LONG
792 *buf = (char)va_arg(ap,
int);
797 #ifdef _HAVE_SANE_QUAD_
798 # define INTPTR_MASK (QUADINT|LONGINT|SHORTINT)
800 # define INTPTR_MASK (LONGINT|SHORTINT)
802 #if defined _HAVE_SANE_QUAD_ && SIZEOF_VOIDP == SIZEOF_LONG_LONG
803 # define INTPTR_FLAG QUADINT
804 #elif SIZEOF_VOIDP == SIZEOF_LONG
805 # define INTPTR_FLAG LONGINT
807 # define INTPTR_FLAG 0
811 #if defined _HAVE_SANE_QUAD_ && SIZEOF_VOIDP == SIZEOF_LONG_LONG
812 uqval = va_arg(ap, u_quad_t);
813 cp = (*fp->
vextra)(fp,
sizeof(uqval), &uqval, &fieldsz, sign);
815 ulval = va_arg(ap,
u_long);
816 cp = (*fp->
vextra)(fp,
sizeof(ulval), &ulval, &fieldsz, sign);
820 if (prec < 0)
goto long_len;
821 size = fieldsz < prec ? (
int)fieldsz : prec;
830 #ifdef _HAVE_SANE_QUAD_
831 if (flags & QUADINT) {
832 uqval = va_arg(ap, quad_t);
833 if ((quad_t)uqval < 0) {
834 uqval = -(quad_t)uqval;
841 if ((
long)ulval < 0) {
842 ulval = (
u_long)(-(
long)ulval);
848 #ifdef FLOATING_POINT
860 prec = (prec == -1) ?
861 DEFPREC + 1 : prec + 1;
871 fp_begin: _double = va_arg(ap,
double);
873 if (
isinf(_double)) {
880 if (
isnan(_double)) {
886 cp = cvt(_double, prec, flags, &softsign,
887 &expt, ch, &ndig, buf);
888 if (ch ==
'g' || ch ==
'G') {
889 if (expt <= -4 || (expt > prec && expt > 1))
890 ch = (ch ==
'g') ?
'e' :
'E';
894 if (ch ==
'a' || ch ==
'A') {
897 expsize = exponent(expstr, expt, ch +
'p' -
'a');
899 size = expsize + ndig;
900 if (ndig > 1 || flags &
ALT)
903 else if (ch <=
'e') {
905 expsize = exponent(expstr, expt, ch);
906 size = expsize + ndig;
907 if (ndig > 1 || flags &
ALT)
909 }
else if (ch ==
'f') {
912 if (prec || flags &
ALT)
920 }
else if (expt >= ndig) {
925 size = ndig + (expt > 0 ?
933 #ifdef _HAVE_SANE_QUAD_
935 *va_arg(ap, quad_t *) =
ret;
940 *va_arg(ap,
long *) =
ret;
942 *va_arg(ap,
short *) = (short)ret;
944 *va_arg(ap,
int *) = (
int)ret;
950 #ifdef _HAVE_SANE_QUAD_
952 uqval = va_arg(ap, u_quad_t);
968 uqval = (u_quad_t)va_arg(ap,
void *);
971 ulval = (
u_long)va_arg(ap,
void *);
972 #ifdef _HAVE_SANE_QUAD_
979 xdigs =
"0123456789abcdef";
983 if ((cp = va_arg(ap,
char *)) ==
NULL)
991 const char *
p = (
char *)memchr(cp, 0, prec);
993 if (p !=
NULL && (p - cp) > prec)
994 size = (
int)(p -
cp);
1008 #ifdef _HAVE_SANE_QUAD_
1009 if (flags & QUADINT)
1010 uqval = va_arg(ap, u_quad_t);
1017 xdigs =
"0123456789ABCDEF";
1020 xdigs =
"0123456789abcdef";
1022 #ifdef _HAVE_SANE_QUAD_
1023 if (flags & QUADINT)
1024 uqval = va_arg(ap, u_quad_t);
1031 #ifdef _HAVE_SANE_QUAD_
1032 (flags & QUADINT ? uqval != 0 : ulval != 0)
1040 nosign: sign =
'\0';
1046 number:
if ((dprec = prec) >= 0)
1054 #ifdef _HAVE_SANE_QUAD_
1055 if (flags & QUADINT) {
1056 if (uqval != 0 || prec != 0)
1057 cp = BSD__uqtoa(uqval, ebuf, base,
1058 flags &
ALT, xdigs);
1063 if (ulval != 0 || prec != 0)
1065 flags &
ALT, xdigs);
1067 size = (
int)(ebuf - cp);
1100 realsz = dprec > fieldsz ? dprec : fieldsz;
1104 PAD_L(width - realsz, blanks);
1110 if (flags & HEXPREFIX) {
1118 PAD_L(width - realsz, zeroes);
1121 PAD_L(dprec - fieldsz, zeroes);
1124 if (flags & HEXPREFIX)
1128 #ifdef FLOATING_POINT
1129 if ((flags &
FPT) == 0) {
1132 if (flags & HEXPREFIX) {
1133 if (ndig > 1 || flags &
ALT) {
1137 if (ndig > 0)
PRINT(cp, ndig-1);
1140 PRINT(expstr, expsize);
1142 else if (ch >=
'f') {
1146 (flags &
ALT) == 0) {
1150 PAD(ndig - 1, zeroes);
1152 }
else if (expt == 0 && ndig == 0 && (flags &
ALT) == 0) {
1154 }
else if (expt <= 0) {
1158 }
else if (expt >= ndig) {
1160 PAD(expt - ndig, zeroes);
1167 PRINT(cp, ndig-expt);
1170 if (ndig > 1 || flags &
ALT) {
1178 PAD(ndig - 1, zeroes);
1181 PRINT(expstr, expsize);
1189 PAD_L(width - realsz, blanks);
1192 ret += width > realsz ? width : realsz;
1203 #ifdef FLOATING_POINT
1205 extern char *
BSD__dtoa(
double,
int,
int,
int *,
int *,
char **);
1206 extern char *
BSD__hdtoa(
double,
const char *,
int,
int *,
int *,
char **);
1209 cvt(
double value,
int ndigits,
int flags,
char *sign,
int *decpt,
int ch,
int *
length,
char *
buf)
1212 char *digits, *
bp, *rve;
1222 }
else if (value == 0.0 && 1.0/value < 0) {
1227 if (ch ==
'a' || ch ==
'A') {
1229 ch ==
'a' ?
"0123456789abcdef" :
"0123456789ABCDEF",
1230 ndigits, decpt, &dsgn, &rve);
1233 digits =
BSD__dtoa(value, mode, ndigits, decpt, &dsgn, &rve);
1236 memcpy(buf, digits, rve - digits);
1238 rve = buf + (rve - digits);
1241 bp = digits + ndigits;
1243 if (*digits ==
'0' && value)
1244 *decpt = -ndigits + 1;
1250 *length = (
int)(rve - digits);
1255 exponent(
char *p0,
int exp,
int fmtch)
1257 register char *
p, *
t;
1258 char expbuf[MAXEXP];
1268 t = expbuf + MAXEXP;
1272 }
while ((exp /= 10) > 9);
1274 for (; t < expbuf + MAXEXP; *p++ = *t++);
1277 if (fmtch & 15) *p++ =
'0';
1280 return (
int)(p - p0);
size_t strlen(const char *)
int ruby_snprintf(char *str, size_t n, char const *fmt,...)
static int BSD__sfvwrite(register FILE *fp, register struct __suio *uio)
int ruby_vsnprintf(char *str, size_t n, char const *fmt, va_list ap)
#define UNINITIALIZED_VAR(x)
#define PAD(howmany, with)
unsigned char buf[MIME_BUF_SIZE]
#define PAD_L(howmany, with)
#define GETIOV(extra_work)
RUBY_EXTERN int isinf(double)
static int BSD__sbprintf(register FILE *fp, const char *fmt, va_list ap)
static ssize_t BSD_vfprintf(FILE *fp, const char *fmt0, va_list ap)
static char * BSD__ultoa(register u_long val, char *endp, int base, int octzero, const char *xdigs)
static int BSD__sprint(FILE *fp, register struct __suio *uio)
STATIC void unsigned char * cp