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
496 # if DBL_MAX_10_EXP > -DBL_MIN_10_EXP
497 # define MAXEXP (DBL_MAX_10_EXP)
499 # define MAXEXP (-DBL_MIN_10_EXP)
504 # define MAXFRACT (MAXEXP*10/3)
507 #define BUF (MAXEXP+MAXFRACT+1)
510 static char *cvt(
double,
int,
int,
char *,
int *,
int,
int *,
char *);
511 static int exponent(
char *,
int,
int);
524 #define HEXPREFIX 0x002
525 #define LADJUST 0x004
526 #define LONGDBL 0x008
527 #define LONGINT 0x010
529 #ifdef _HAVE_SANE_QUAD_
530 #define QUADINT 0x020
533 #define SHORTINT 0x040
534 #define ZEROPAD 0x080
539 register const char *
fmt;
542 register const char *
cp;
543 register struct __siov *iovp;
549 #ifdef FLOATING_POINT
559 #ifdef _HAVE_SANE_QUAD_
567 const char *xdigs = 0;
573 char *
const ebuf = buf +
sizeof(
buf);
574 #if SIZEOF_LONG > SIZEOF_INT
584 static const char blanks[
PADSIZE] =
585 {
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' ',
' '};
586 static const char zeroes[
PADSIZE] =
587 {
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0',
'0'};
592 #define PRINT(ptr, len) { \
593 iovp->iov_base = (ptr); \
594 iovp->iov_len = (len); \
595 uio.uio_resid += (len); \
597 if (++uio.uio_iovcnt >= NIOV) { \
598 if (BSD__sprint(fp, &uio)) \
603 #define PAD(howmany, with) { \
604 if ((n = (howmany)) > 0) { \
605 while (n > PADSIZE) { \
606 PRINT((with), PADSIZE); \
612 #if SIZEOF_LONG > SIZEOF_INT
614 #define PAD_L(howmany, with) { \
616 if ((long)((int)ln) != ln) { \
620 if (ln > 0) PAD((int)ln, (with)); \
623 #define PAD_L(howmany, with) PAD((howmany), (with))
626 if (uio.uio_resid && BSD__sprint(fp, &uio)) \
628 uio.uio_iovcnt = 0; \
637 (flags&LONGINT ? va_arg(ap, long) : \
638 flags&SHORTINT ? (long)(short)va_arg(ap, int) : \
639 (long)va_arg(ap, int))
641 (flags&LONGINT ? va_arg(ap, u_long) : \
642 flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
643 (u_long)va_arg(ap, u_int))
662 for (cp = fmt; (ch = *
fmt) !=
'\0' && ch !=
'%'; fmt++)
664 if ((nc = fmt - cp) != 0) {
679 reswitch:
switch (ch) {
699 if ((width = va_arg(ap,
int)) >= 0)
710 if ((ch = *fmt++) ==
'*') {
712 prec = n < 0 ? -1 :
n;
720 prec = n < 0 ? -1 :
n;
730 case '1':
case '2':
case '3':
case '4':
731 case '5':
case '6':
case '7':
case '8':
case '9':
739 #ifdef FLOATING_POINT
747 #if SIZEOF_PTRDIFF_T == SIZEOF_LONG
750 #if SIZEOF_SIZE_T == SIZEOF_LONG
754 #ifdef _HAVE_SANE_QUAD_
765 #ifdef _HAVE_SANE_QUAD_
766 #if SIZEOF_PTRDIFF_T == SIZEOF_LONG_LONG
769 #if SIZEOF_SIZE_T == SIZEOF_LONG_LONG
778 if (*fmt ==
'3' && *(fmt + 1) ==
'2') {
782 #ifdef _HAVE_SANE_QUAD_
783 else if (*fmt ==
'6' && *(fmt + 1) ==
'4') {
789 #if defined(_HAVE_SANE_QUAD_) && SIZEOF_SIZE_T == SIZEOF_LONG_LONG
798 *buf = (char)va_arg(ap,
int);
803 #ifdef _HAVE_SANE_QUAD_
804 # define INTPTR_MASK (QUADINT|LONGINT|SHORTINT)
806 # define INTPTR_MASK (LONGINT|SHORTINT)
808 #if defined _HAVE_SANE_QUAD_ && SIZEOF_VOIDP == SIZEOF_LONG_LONG
809 # define INTPTR_FLAG QUADINT
810 #elif SIZEOF_VOIDP == SIZEOF_LONG
811 # define INTPTR_FLAG LONGINT
813 # define INTPTR_FLAG 0
817 #if defined _HAVE_SANE_QUAD_ && SIZEOF_VOIDP == SIZEOF_LONG_LONG
818 uqval = va_arg(ap, u_quad_t);
819 cp = (*fp->
vextra)(fp,
sizeof(uqval), &uqval, &fieldsz, sign);
821 ulval = va_arg(ap,
u_long);
822 cp = (*fp->
vextra)(fp,
sizeof(ulval), &ulval, &fieldsz, sign);
826 if (prec < 0)
goto long_len;
827 size = fieldsz < prec ? (
int)fieldsz : prec;
836 #ifdef _HAVE_SANE_QUAD_
837 if (flags & QUADINT) {
838 uqval = va_arg(ap, quad_t);
839 if ((quad_t)uqval < 0) {
840 uqval = -(quad_t)uqval;
847 if ((
long)ulval < 0) {
848 ulval = (
u_long)(-(
long)ulval);
854 #ifdef FLOATING_POINT
867 prec = (prec == -1) ?
868 DEFPREC + 1 : (fprec = prec + 1);
880 fp_begin: _double = va_arg(ap,
double);
882 if (
isinf(_double)) {
889 if (
isnan(_double)) {
895 cp = cvt(_double, (prec < MAXFRACT ? prec : MAXFRACT), flags, &softsign,
896 &expt, ch, &ndig, buf);
897 if (ch ==
'g' || ch ==
'G') {
898 if (expt <= -4 || (expt > prec && expt > 1))
899 ch = (ch ==
'g') ?
'e' :
'E';
903 if (ch ==
'a' || ch ==
'A') {
906 expsize = exponent(expstr, expt, ch +
'p' -
'a');
908 size = expsize + ndig;
909 if (ndig > 1 || flags &
ALT)
912 else if (ch <=
'e') {
914 expsize = exponent(expstr, expt, ch);
915 size = expsize + ndig;
916 if (ndig > 1 || flags &
ALT)
918 }
else if (ch ==
'f') {
921 if (prec || flags &
ALT)
929 }
else if (expt >= ndig) {
934 size = ndig + (expt > 0 ?
942 #ifdef _HAVE_SANE_QUAD_
944 *va_arg(ap, quad_t *) =
ret;
949 *va_arg(ap,
long *) =
ret;
951 *va_arg(ap,
short *) = (short)ret;
953 *va_arg(ap,
int *) = (
int)ret;
959 #ifdef _HAVE_SANE_QUAD_
961 uqval = va_arg(ap, u_quad_t);
977 uqval = (u_quad_t)va_arg(ap,
void *);
980 ulval = (
u_long)va_arg(ap,
void *);
981 #ifdef _HAVE_SANE_QUAD_
988 xdigs =
"0123456789abcdef";
992 if ((cp = va_arg(ap,
char *)) ==
NULL)
1000 const char *
p = (
char *)memchr(cp, 0, prec);
1002 if (p !=
NULL && (p - cp) < prec)
1003 size = (
int)(p -
cp);
1017 #ifdef _HAVE_SANE_QUAD_
1018 if (flags & QUADINT)
1019 uqval = va_arg(ap, u_quad_t);
1026 xdigs =
"0123456789ABCDEF";
1029 xdigs =
"0123456789abcdef";
1031 #ifdef _HAVE_SANE_QUAD_
1032 if (flags & QUADINT)
1033 uqval = va_arg(ap, u_quad_t);
1040 #ifdef _HAVE_SANE_QUAD_
1041 (flags & QUADINT ? uqval != 0 : ulval != 0)
1049 nosign: sign =
'\0';
1055 number:
if ((dprec = prec) >= 0)
1063 #ifdef _HAVE_SANE_QUAD_
1064 if (flags & QUADINT) {
1065 if (uqval != 0 || prec != 0)
1066 cp = BSD__uqtoa(uqval, ebuf, base,
1067 flags &
ALT, xdigs);
1072 if (ulval != 0 || prec != 0)
1074 flags &
ALT, xdigs);
1076 size = (
int)(ebuf - cp);
1109 realsz = dprec > fieldsz ? dprec : fieldsz;
1113 PAD_L(width - realsz, blanks);
1119 if (flags & HEXPREFIX) {
1127 PAD_L(width - realsz, zeroes);
1130 PAD_L(dprec - fieldsz, zeroes);
1133 if (flags & HEXPREFIX)
1137 #ifdef FLOATING_POINT
1138 if ((flags &
FPT) == 0) {
1141 if (flags & HEXPREFIX) {
1142 if (ndig > 1 || flags &
ALT) {
1146 if (ndig > 0)
PRINT(cp, ndig-1);
1149 PAD(fprec-ndig, zeroes);
1150 PRINT(expstr, expsize);
1152 else if (ch >=
'f') {
1156 (flags &
ALT) == 0) {
1160 PAD((ndig >= fprec ? ndig - 1 : fprec - (ch !=
'f')),
1163 }
else if (expt == 0 && ndig == 0 && (flags &
ALT) == 0) {
1165 }
else if (expt <= 0) {
1170 PAD(fprec - ndig + (ch ==
'f' ? expt : 0), zeroes);
1171 }
else if (expt >= ndig) {
1173 PAD(expt - ndig, zeroes);
1180 PRINT(cp, ndig-expt);
1182 PAD(fprec - ndig + (ch ==
'f' ? expt : 0), zeroes);
1185 if (ndig > 1 || flags &
ALT) {
1193 PAD(ndig - 1, zeroes);
1194 if (flags & ALT)
PAD(fprec - ndig - 1, zeroes);
1197 PRINT(expstr, expsize);
1205 PAD_L(width - realsz, blanks);
1208 ret += width > realsz ? width : realsz;
1219 #ifdef FLOATING_POINT
1221 extern char *
BSD__dtoa(
double,
int,
int,
int *,
int *,
char **);
1222 extern char *
BSD__hdtoa(
double,
const char *,
int,
int *,
int *,
char **);
1225 cvt(
double value,
int ndigits,
int flags,
char *sign,
int *decpt,
int ch,
int *
length,
char *
buf)
1228 char *digits, *
bp, *rve;
1238 }
else if (value == 0.0 && 1.0/value < 0) {
1243 if (ch ==
'a' || ch ==
'A') {
1245 ch ==
'a' ?
"0123456789abcdef" :
"0123456789ABCDEF",
1246 ndigits, decpt, &dsgn, &rve);
1249 digits =
BSD__dtoa(value, mode, ndigits, decpt, &dsgn, &rve);
1252 memcpy(buf, digits, rve - digits);
1254 rve = buf + (rve - digits);
1257 bp = digits + ndigits;
1259 if (*digits ==
'0' && value)
1260 *decpt = -ndigits + 1;
1266 *length = (
int)(rve - digits);
1271 exponent(
char *p0,
int exp,
int fmtch)
1273 register char *
p, *
t;
1274 char expbuf[2 + (MAXEXP < 1000 ? 3 : MAXEXP < 10000 ? 4 : 5)];
1284 t = expbuf +
sizeof(expbuf);
1288 }
while ((exp /= 10) > 9);
1290 for (; t < expbuf +
sizeof(expbuf); *p++ = *t++);
1293 if (fmtch & 15) *p++ =
'0';
1296 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