Exemple #1
0
static DH*
ossl_create_dh(unsigned char *p, size_t plen, unsigned char *g, size_t glen)
{
    DH *dh;

    if ((dh = DH_new()) == NULL) ossl_raise(eDHError, NULL);
    dh->p = BN_bin2bn(p, rb_long2int(plen), NULL);
    dh->g = BN_bin2bn(g, rb_long2int(glen), NULL);
    if (dh->p == NULL || dh->g == NULL){
        DH_free(dh);
	ossl_raise(eDHError, NULL);
    }

    return dh;
}
Exemple #2
0
static VALUE
lazy_init_iterator(VALUE val, VALUE m, int argc, VALUE *argv)
{
    VALUE result;
    if (argc == 1) {
	VALUE args[2];
	args[0] = m;
	args[1] = val;
	result = rb_yield_values2(2, args);
    }
    else {
	VALUE args;
	int len = rb_long2int((long)argc + 1);

	args = rb_ary_tmp_new(len);
	rb_ary_push(args, m);
	if (argc > 0) {
	    rb_ary_cat(args, argv, argc);
	}
	result = rb_yield_values2(len, RARRAY_PTR(args));
	RB_GC_GUARD(args);
    }
    if (result == Qundef) rb_iter_break();
    return Qnil;
}
Exemple #3
0
/*
 * Errors
 */
static VALUE
ossl_make_error(VALUE exc, const char *fmt, va_list args)
{
    char buf[BUFSIZ];
    const char *msg;
    long e;
    int len = 0;

#ifdef HAVE_ERR_PEEK_LAST_ERROR
    e = ERR_peek_last_error();
#else
    e = ERR_peek_error();
#endif
    if (fmt) {
	len = vsnprintf(buf, BUFSIZ, fmt, args);
    }
    if (len < BUFSIZ && e) {
	if (dOSSL == Qtrue) /* FULL INFO */
	    msg = ERR_error_string(e, NULL);
	else
	    msg = ERR_reason_error_string(e);
	len += snprintf(buf+len, BUFSIZ-len, "%s%s", (len ? ": " : ""), msg);
    }
    if (dOSSL == Qtrue){ /* show all errors on the stack */
	while ((e = ERR_get_error()) != 0){
	    rb_warn("error on stack: %s", ERR_error_string(e, NULL));
	}
    }
    ERR_clear_error();

    if(len > BUFSIZ) len = rb_long2int(strlen(buf));
    return rb_exc_new(exc, buf, len);
}
VALUE rb_population_standard_deviation(VALUE self) {
  unsigned int array_length = rb_long2int(RARRAY_LEN(self));

  if (RB_TYPE_P(self, T_ARRAY) == 0) {
    rb_raise(rb_eTypeError, "can only be used on an array");
  }

  if (array_length <= 1) {
    rb_raise(rb_eRangeError, "array must have more than one element");
  }

  return DBL2NUM(sqrt(calculate_total_distance_from_mean(self, array_length) / array_length));
}
Exemple #5
0
/*
 * call-seq:
 *    spki.to_pem => PEM-encoded string
 *
 * Returns the PEM encoding of this SPKI.
 */
static VALUE
ossl_spki_to_pem(VALUE self)
{
    NETSCAPE_SPKI *spki;
    char *data;
    VALUE str;

    GetSPKI(self, spki);
    if (!(data = NETSCAPE_SPKI_b64_encode(spki))) {
	ossl_raise(eSPKIError, NULL);
    }
    str = ossl_buf2str(data, rb_long2int(strlen(data)));

    return str;
}
Exemple #6
0
VALUE
rb_profile_frame_full_label(VALUE frame)
{
    VALUE label = rb_profile_frame_label(frame);
    VALUE base_label = rb_profile_frame_base_label(frame);
    VALUE qualified_method_name = rb_profile_frame_qualified_method_name(frame);

    if (NIL_P(qualified_method_name) || base_label == qualified_method_name) {
	return label;
    }
    else {
	long label_length = RSTRING_LEN(label);
	long base_label_length = RSTRING_LEN(base_label);
	int prefix_len = rb_long2int(label_length - base_label_length);

	return rb_sprintf("%.*s%"PRIsVALUE, prefix_len, RSTRING_PTR(label), qualified_method_name);
    }
}
Exemple #7
0
VALUE
rb_struct_new(VALUE klass, ...)
{
    VALUE tmpargs[N_REF_FUNC], *mem = tmpargs;
    int size, i;
    va_list args;

    size = rb_long2int(num_members(klass));
    if (size > numberof(tmpargs)) {
	tmpargs[0] = rb_ary_tmp_new(size);
	mem = RARRAY_PTR(tmpargs[0]);
    }
    va_start(args, klass);
    for (i=0; i<size; i++) {
	mem[i] = va_arg(args, VALUE);
    }
    va_end(args);

    return rb_class_new_instance(size, mem, klass);
}
Exemple #8
0
static VALUE
lazy_cycle(int argc, VALUE *argv, VALUE obj)
{
    VALUE args;
    int len = rb_long2int((long)argc + 2);

    if (rb_block_given_p()) {
	return rb_call_super(argc, argv);
    }
    args = rb_ary_tmp_new(len);
    rb_ary_push(args, obj);
    rb_ary_push(args, sym_cycle);
    if (argc > 0) {
	rb_ary_cat(args, argv, argc);
    }
    return lazy_set_method(rb_block_call(rb_cLazy, id_new, len,
					 RARRAY_PTR(args), lazy_cycle_func,
					 args /* prevent from GC */),
			   rb_ary_new4(argc, argv));
}
Exemple #9
0
int
rb_freopen(VALUE fname, const char *mode, FILE *file)
{
    WCHAR *wname, wmode[4];
    long len;
    int e = 0, n = MultiByteToWideChar(CP_ACP, 0, mode, -1, NULL, 0);
    if (n > numberof(wmode)) return EINVAL;
    MultiByteToWideChar(CP_ACP, 0, mode, -1, wmode, numberof(wmode));
    wname = rb_w32_mbstr_to_wstr(CP_UTF8, RSTRING_PTR(fname),
                                 rb_long2int(RSTRING_LEN(fname)) + 1, &len);
    wname[len - 1] = L'\0';
    RB_GC_GUARD(fname);
#if RUBY_MSVCRT_VERSION < 80 && !defined(HAVE__WFREOPEN_S)
    e = _wfreopen(wname, wmode, file) ? 0 : errno;
#else
    {
        FILE *newfp = 0;
        e = _wfreopen_s(&newfp, wname, wmode, file);
    }
#endif
    free(wname);
    return e;
}
Exemple #10
0
static VALUE util_spec_rb_long2int(VALUE self, VALUE n) {
  return INT2NUM(rb_long2int(NUM2LONG(n)));
}
Exemple #11
0
VALUE
rb_str_format(int argc, const VALUE *argv, VALUE fmt)
{
    enum {default_float_precision = 6};
    rb_encoding *enc;
    const char *p, *end;
    char *buf;
    long blen, bsiz;
    VALUE result;

    long scanned = 0;
    int coderange = ENC_CODERANGE_7BIT;
    int width, prec, flags = FNONE;
    int nextarg = 1;
    int posarg = 0;
    int tainted = 0;
    VALUE nextvalue;
    VALUE tmp;
    VALUE str;
    volatile VALUE hash = Qundef;

#define CHECK_FOR_WIDTH(f)				 \
    if ((f) & FWIDTH) {					 \
	rb_raise(rb_eArgError, "width given twice");	 \
    }							 \
    if ((f) & FPREC0) {					 \
	rb_raise(rb_eArgError, "width after precision"); \
    }
#define CHECK_FOR_FLAGS(f)				 \
    if ((f) & FWIDTH) {					 \
	rb_raise(rb_eArgError, "flag after width");	 \
    }							 \
    if ((f) & FPREC0) {					 \
	rb_raise(rb_eArgError, "flag after precision"); \
    }

    ++argc;
    --argv;
    if (OBJ_TAINTED(fmt)) tainted = 1;
    StringValue(fmt);
    enc = rb_enc_get(fmt);
    fmt = rb_str_new4(fmt);
    p = RSTRING_PTR(fmt);
    end = p + RSTRING_LEN(fmt);
    blen = 0;
    bsiz = 120;
    result = rb_str_buf_new(bsiz);
    rb_enc_copy(result, fmt);
    buf = RSTRING_PTR(result);
    memset(buf, 0, bsiz);
    ENC_CODERANGE_SET(result, coderange);

    for (; p < end; p++) {
	const char *t;
	int n;
	VALUE sym = Qnil;

	for (t = p; t < end && *t != '%'; t++) ;
	PUSH(p, t - p);
	if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {
	    scanned += rb_str_coderange_scan_restartable(buf+scanned, buf+blen, enc, &coderange);
	    ENC_CODERANGE_SET(result, coderange);
	}
	if (t >= end) {
	    /* end of fmt string */
	    goto sprint_exit;
	}
	p = t + 1;		/* skip `%' */

	width = prec = -1;
	nextvalue = Qundef;
      retry:
	switch (*p) {
	  default:
	    if (rb_enc_isprint(*p, enc))
		rb_raise(rb_eArgError, "malformed format string - %%%c", *p);
	    else
		rb_raise(rb_eArgError, "malformed format string");
	    break;

	  case ' ':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FSPACE;
	    p++;
	    goto retry;

	  case '#':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FSHARP;
	    p++;
	    goto retry;

	  case '+':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FPLUS;
	    p++;
	    goto retry;

	  case '-':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FMINUS;
	    p++;
	    goto retry;

	  case '0':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FZERO;
	    p++;
	    goto retry;

	  case '1': case '2': case '3': case '4':
	  case '5': case '6': case '7': case '8': case '9':
	    n = 0;
	    GETNUM(n, width);
	    if (*p == '$') {
		if (nextvalue != Qundef) {
		    rb_raise(rb_eArgError, "value given twice - %d$", n);
		}
		nextvalue = GETPOSARG(n);
		p++;
		goto retry;
	    }
	    CHECK_FOR_WIDTH(flags);
	    width = n;
	    flags |= FWIDTH;
	    goto retry;

	  case '<':
	  case '{':
	    {
		const char *start = p;
		char term = (*p == '<') ? '>' : '}';
		int len;

		for (; p < end && *p != term; ) {
		    p += rb_enc_mbclen(p, end, enc);
		}
		if (p >= end) {
		    rb_raise(rb_eArgError, "malformed name - unmatched parenthesis");
		}
#if SIZEOF_INT < SIZEOF_SIZE_T
		if ((size_t)(p - start) >= INT_MAX) {
		    const int message_limit = 20;
		    len = (int)(rb_enc_right_char_head(start, start + message_limit, p, enc) - start);
		    rb_enc_raise(enc, rb_eArgError,
				 "too long name (%"PRIdSIZE" bytes) - %.*s...%c",
				 (size_t)(p - start - 2), len, start, term);
		}
#endif
		len = (int)(p - start + 1); /* including parenthesis */
		if (sym != Qnil) {
		    rb_enc_raise(enc, rb_eArgError, "named%.*s after <%"PRIsVALUE">",
				 len, start, rb_sym2str(sym));
		}
		CHECKNAMEARG(start, len, enc);
		get_hash(&hash, argc, argv);
		sym = rb_check_symbol_cstr(start + 1,
					   len - 2 /* without parenthesis */,
					   enc);
		if (sym != Qnil) nextvalue = rb_hash_lookup2(hash, sym, Qundef);
		if (nextvalue == Qundef) {
		    rb_enc_raise(enc, rb_eKeyError, "key%.*s not found", len, start);
		}
		if (term == '}') goto format_s;
		p++;
		goto retry;
	    }

	  case '*':
	    CHECK_FOR_WIDTH(flags);
	    flags |= FWIDTH;
	    GETASTER(width);
	    if (width < 0) {
		flags |= FMINUS;
		width = -width;
	    }
	    p++;
	    goto retry;

	  case '.':
	    if (flags & FPREC0) {
		rb_raise(rb_eArgError, "precision given twice");
	    }
	    flags |= FPREC|FPREC0;

	    prec = 0;
	    p++;
	    if (*p == '*') {
		GETASTER(prec);
		if (prec < 0) {	/* ignore negative precision */
		    flags &= ~FPREC;
		}
		p++;
		goto retry;
	    }

	    GETNUM(prec, precision);
	    goto retry;

	  case '\n':
	  case '\0':
	    p--;
	  case '%':
	    if (flags != FNONE) {
		rb_raise(rb_eArgError, "invalid format character - %%");
	    }
	    PUSH("%", 1);
	    break;

	  case 'c':
	    {
		VALUE val = GETARG();
		VALUE tmp;
		unsigned int c;
		int n;

		tmp = rb_check_string_type(val);
		if (!NIL_P(tmp)) {
		    if (rb_enc_strlen(RSTRING_PTR(tmp),RSTRING_END(tmp),enc) != 1) {
			rb_raise(rb_eArgError, "%%c requires a character");
		    }
		    c = rb_enc_codepoint_len(RSTRING_PTR(tmp), RSTRING_END(tmp), &n, enc);
		    RB_GC_GUARD(tmp);
		}
		else {
		    c = NUM2INT(val);
		    n = rb_enc_codelen(c, enc);
		}
		if (n <= 0) {
		    rb_raise(rb_eArgError, "invalid character");
		}
		if (!(flags & FWIDTH)) {
		    CHECK(n);
		    rb_enc_mbcput(c, &buf[blen], enc);
		    blen += n;
		}
		else if ((flags & FMINUS)) {
		    CHECK(n);
		    rb_enc_mbcput(c, &buf[blen], enc);
		    blen += n;
		    FILL(' ', width-1);
		}
		else {
		    FILL(' ', width-1);
		    CHECK(n);
		    rb_enc_mbcput(c, &buf[blen], enc);
		    blen += n;
		}
	    }
	    break;

	  case 's':
	  case 'p':
	  format_s:
	    {
		VALUE arg = GETARG();
		long len, slen;

		if (*p == 'p') arg = rb_inspect(arg);
		str = rb_obj_as_string(arg);
		if (OBJ_TAINTED(str)) tainted = 1;
		len = RSTRING_LEN(str);
		rb_str_set_len(result, blen);
		if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {
		    int cr = coderange;
		    scanned += rb_str_coderange_scan_restartable(buf+scanned, buf+blen, enc, &cr);
		    ENC_CODERANGE_SET(result,
				      (cr == ENC_CODERANGE_UNKNOWN ?
				       ENC_CODERANGE_BROKEN : (coderange = cr)));
		}
		enc = rb_enc_check(result, str);
		if (flags&(FPREC|FWIDTH)) {
		    slen = rb_enc_strlen(RSTRING_PTR(str),RSTRING_END(str),enc);
		    if (slen < 0) {
			rb_raise(rb_eArgError, "invalid mbstring sequence");
		    }
		    if ((flags&FPREC) && (prec < slen)) {
			char *p = rb_enc_nth(RSTRING_PTR(str), RSTRING_END(str),
					     prec, enc);
			slen = prec;
			len = p - RSTRING_PTR(str);
		    }
		    /* need to adjust multi-byte string pos */
		    if ((flags&FWIDTH) && (width > slen)) {
			width -= (int)slen;
			if (!(flags&FMINUS)) {
			    CHECK(width);
			    while (width--) {
				buf[blen++] = ' ';
			    }
			}
			CHECK(len);
			memcpy(&buf[blen], RSTRING_PTR(str), len);
			RB_GC_GUARD(str);
			blen += len;
			if (flags&FMINUS) {
			    CHECK(width);
			    while (width--) {
				buf[blen++] = ' ';
			    }
			}
			rb_enc_associate(result, enc);
			break;
		    }
		}
		PUSH(RSTRING_PTR(str), len);
		RB_GC_GUARD(str);
		rb_enc_associate(result, enc);
	    }
	    break;

	  case 'd':
	  case 'i':
	  case 'o':
	  case 'x':
	  case 'X':
	  case 'b':
	  case 'B':
	  case 'u':
	    {
		volatile VALUE val = GETARG();
                int valsign;
		char nbuf[64], *s;
		const char *prefix = 0;
		int sign = 0, dots = 0;
		char sc = 0;
		long v = 0;
		int base, bignum = 0;
		int len;

		switch (*p) {
		  case 'd':
		  case 'i':
		  case 'u':
		    sign = 1; break;
		  case 'o':
		  case 'x':
		  case 'X':
		  case 'b':
		  case 'B':
		    if (flags&(FPLUS|FSPACE)) sign = 1;
		    break;
		}
		if (flags & FSHARP) {
		    switch (*p) {
		      case 'o':
			prefix = "0"; break;
		      case 'x':
			prefix = "0x"; break;
		      case 'X':
			prefix = "0X"; break;
		      case 'b':
			prefix = "0b"; break;
		      case 'B':
			prefix = "0B"; break;
		    }
		}

	      bin_retry:
		switch (TYPE(val)) {
		  case T_FLOAT:
		    if (FIXABLE(RFLOAT_VALUE(val))) {
			val = LONG2FIX((long)RFLOAT_VALUE(val));
			goto bin_retry;
		    }
		    val = rb_dbl2big(RFLOAT_VALUE(val));
		    if (FIXNUM_P(val)) goto bin_retry;
		    bignum = 1;
		    break;
		  case T_STRING:
		    val = rb_str_to_inum(val, 0, TRUE);
		    goto bin_retry;
		  case T_BIGNUM:
		    bignum = 1;
		    break;
		  case T_FIXNUM:
		    v = FIX2LONG(val);
		    break;
		  default:
		    val = rb_Integer(val);
		    goto bin_retry;
		}

		switch (*p) {
		  case 'o':
		    base = 8; break;
		  case 'x':
		  case 'X':
		    base = 16; break;
		  case 'b':
		  case 'B':
		    base = 2; break;
		  case 'u':
		  case 'd':
		  case 'i':
		  default:
		    base = 10; break;
		}

                if (base != 10) {
                    int numbits = ffs(base)-1;
                    size_t abs_nlz_bits;
                    size_t numdigits = rb_absint_numwords(val, numbits, &abs_nlz_bits);
                    long i;
                    if (INT_MAX-1 < numdigits) /* INT_MAX is used because rb_long2int is used later. */
                        rb_raise(rb_eArgError, "size too big");
                    if (sign) {
                        if (numdigits == 0)
                            numdigits = 1;
                        tmp = rb_str_new(NULL, numdigits);
                        valsign = rb_integer_pack(val, RSTRING_PTR(tmp), RSTRING_LEN(tmp),
                                1, CHAR_BIT-numbits, INTEGER_PACK_BIG_ENDIAN);
                        for (i = 0; i < RSTRING_LEN(tmp); i++)
                            RSTRING_PTR(tmp)[i] = ruby_digitmap[((unsigned char *)RSTRING_PTR(tmp))[i]];
                        s = RSTRING_PTR(tmp);
                        if (valsign < 0) {
                            sc = '-';
                            width--;
                        }
                        else if (flags & FPLUS) {
                            sc = '+';
                            width--;
                        }
                        else if (flags & FSPACE) {
                            sc = ' ';
                            width--;
                        }
                    }
                    else {
                        /* Following conditional "numdigits++" guarantees the
                         * most significant digit as
                         * - '1'(bin), '7'(oct) or 'f'(hex) for negative numbers
                         * - '0' for zero
                         * - not '0' for positive numbers.
                         *
                         * It also guarantees the most significant two
                         * digits will not be '11'(bin), '77'(oct), 'ff'(hex)
                         * or '00'.  */
                        if (numdigits == 0 ||
                                ((abs_nlz_bits != (size_t)(numbits-1) ||
                                  !rb_absint_singlebit_p(val)) &&
                                 (!bignum ? v < 0 : BIGNUM_NEGATIVE_P(val))))
                            numdigits++;
                        tmp = rb_str_new(NULL, numdigits);
                        valsign = rb_integer_pack(val, RSTRING_PTR(tmp), RSTRING_LEN(tmp),
                                1, CHAR_BIT-numbits, INTEGER_PACK_2COMP | INTEGER_PACK_BIG_ENDIAN);
                        for (i = 0; i < RSTRING_LEN(tmp); i++)
                            RSTRING_PTR(tmp)[i] = ruby_digitmap[((unsigned char *)RSTRING_PTR(tmp))[i]];
                        s = RSTRING_PTR(tmp);
                        dots = valsign < 0;
                    }
                    len = rb_long2int(RSTRING_END(tmp) - s);
                }
                else if (!bignum) {
                    valsign = 1;
                    if (v < 0) {
                        v = -v;
                        sc = '-';
                        width--;
                        valsign = -1;
                    }
                    else if (flags & FPLUS) {
                        sc = '+';
                        width--;
                    }
                    else if (flags & FSPACE) {
                        sc = ' ';
                        width--;
                    }
                    snprintf(nbuf, sizeof(nbuf), "%ld", v);
                    s = nbuf;
		    len = (int)strlen(s);
		}
		else {
                    tmp = rb_big2str(val, 10);
                    s = RSTRING_PTR(tmp);
                    valsign = 1;
                    if (s[0] == '-') {
                        s++;
                        sc = '-';
                        width--;
                        valsign = -1;
                    }
                    else if (flags & FPLUS) {
                        sc = '+';
                        width--;
                    }
                    else if (flags & FSPACE) {
                        sc = ' ';
                        width--;
                    }
		    len = rb_long2int(RSTRING_END(tmp) - s);
		}

		if (dots) {
		    prec -= 2;
		    width -= 2;
		}

		if (*p == 'X') {
		    char *pp = s;
		    int c;
		    while ((c = (int)(unsigned char)*pp) != 0) {
			*pp = rb_enc_toupper(c, enc);
			pp++;
		    }
		}
		if (prefix && !prefix[1]) { /* octal */
		    if (dots) {
			prefix = 0;
		    }
		    else if (len == 1 && *s == '0') {
			len = 0;
			if (flags & FPREC) prec--;
		    }
		    else if ((flags & FPREC) && (prec > len)) {
			prefix = 0;
		    }
		}
		else if (len == 1 && *s == '0') {
		    prefix = 0;
		}
		if (prefix) {
		    width -= (int)strlen(prefix);
		}
		if ((flags & (FZERO|FMINUS|FPREC)) == FZERO) {
		    prec = width;
		    width = 0;
		}
		else {
		    if (prec < len) {
			if (!prefix && prec == 0 && len == 1 && *s == '0') len = 0;
			prec = len;
		    }
		    width -= prec;
		}
		if (!(flags&FMINUS)) {
		    CHECK(width);
		    while (width-- > 0) {
			buf[blen++] = ' ';
		    }
		}
		if (sc) PUSH(&sc, 1);
		if (prefix) {
		    int plen = (int)strlen(prefix);
		    PUSH(prefix, plen);
		}
		CHECK(prec - len);
		if (dots) PUSH("..", 2);
		if (!sign && valsign < 0) {
		    char c = sign_bits(base, p);
		    while (len < prec--) {
			buf[blen++] = c;
		    }
		}
		else if ((flags & (FMINUS|FPREC)) != FMINUS) {
		    while (len < prec--) {
			buf[blen++] = '0';
		    }
		}
		PUSH(s, len);
		RB_GC_GUARD(tmp);
		CHECK(width);
		while (width-- > 0) {
		    buf[blen++] = ' ';
		}
	    }
	    break;

	  case 'f':
	    {
		VALUE val = GETARG(), num, den;
		int sign = (flags&FPLUS) ? 1 : 0, zero = 0;
		long len, done = 0;
		int prefix = 0;
		if (!RB_TYPE_P(val, T_RATIONAL)) {
		    nextvalue = val;
		    goto float_value;
		}
		if (!(flags&FPREC)) prec = default_float_precision;
		den = rb_rational_den(val);
		num = rb_rational_num(val);
		if (FIXNUM_P(num)) {
		    if ((SIGNED_VALUE)num < 0) {
			long n = -FIX2LONG(num);
			num = LONG2FIX(n);
			sign = -1;
		    }
		}
		else if (rb_num_negative_p(num)) {
		    sign = -1;
		    num = rb_funcallv(num, idUMinus, 0, 0);
		}
		if (den != INT2FIX(1) || prec > 1) {
		    const ID idDiv = rb_intern("div");
		    VALUE p10 = rb_int_positive_pow(10, prec);
		    VALUE den_2 = rb_funcall(den, idDiv, 1, INT2FIX(2));
		    num = rb_funcallv(num, '*', 1, &p10);
		    num = rb_funcallv(num, '+', 1, &den_2);
		    num = rb_funcallv(num, idDiv, 1, &den);
		}
		else if (prec >= 0) {
		    zero = prec;
		}
		val = rb_obj_as_string(num);
		len = RSTRING_LEN(val) + zero;
		if (prec >= len) ++len; /* integer part 0 */
		if (sign || (flags&FSPACE)) ++len;
		if (prec > 0) ++len; /* period */
		CHECK(len > width ? len : width);
		if (sign || (flags&FSPACE)) {
		    buf[blen++] = sign > 0 ? '+' : sign < 0 ? '-' : ' ';
		    prefix++;
		    done++;
		}
		len = RSTRING_LEN(val) + zero;
		t = RSTRING_PTR(val);
		if (len > prec) {
		    memcpy(&buf[blen], t, len - prec);
		    blen += len - prec;
		    done += len - prec;
		}
		else {
		    buf[blen++] = '0';
		    done++;
		}
		if (prec > 0) {
		    buf[blen++] = '.';
		    done++;
		}
		if (zero) {
		    FILL('0', zero);
		    done += zero;
		}
		else if (prec > len) {
		    FILL('0', prec - len);
		    memcpy(&buf[blen], t, len);
		    blen += len;
		    done += prec;
		}
		else if (prec > 0) {
		    memcpy(&buf[blen], t + len - prec, prec);
		    blen += prec;
		    done += prec;
		}
		if ((flags & FWIDTH) && width > done) {
		    int fill = ' ';
		    long shifting = 0;
		    if (!(flags&FMINUS)) {
			shifting = done;
			if (flags&FZERO) {
			    shifting -= prefix;
			    fill = '0';
			}
			blen -= shifting;
			memmove(&buf[blen + width - done], &buf[blen], shifting);
		    }
		    FILL(fill, width - done);
		    blen += shifting;
		}
		RB_GC_GUARD(val);
		break;
	    }
	  case 'g':
	  case 'G':
	  case 'e':
	  case 'E':
	    /* TODO: rational support */
	  case 'a':
	  case 'A':
	  float_value:
	    {
		VALUE val = GETARG();
		double fval;
		int i, need;
		char fbuf[32];

		fval = RFLOAT_VALUE(rb_Float(val));
		if (isnan(fval) || isinf(fval)) {
		    const char *expr;

		    if (isnan(fval)) {
			expr = "NaN";
		    }
		    else {
			expr = "Inf";
		    }
		    need = (int)strlen(expr);
		    if ((!isnan(fval) && fval < 0.0) || (flags & FPLUS))
			need++;
		    if ((flags & FWIDTH) && need < width)
			need = width;

		    CHECK(need + 1);
		    snprintf(&buf[blen], need + 1, "%*s", need, "");
		    if (flags & FMINUS) {
			if (!isnan(fval) && fval < 0.0)
			    buf[blen++] = '-';
			else if (flags & FPLUS)
			    buf[blen++] = '+';
			else if (flags & FSPACE)
			    blen++;
			memcpy(&buf[blen], expr, strlen(expr));
		    }
		    else {
			if (!isnan(fval) && fval < 0.0)
			    buf[blen + need - strlen(expr) - 1] = '-';
			else if (flags & FPLUS)
			    buf[blen + need - strlen(expr) - 1] = '+';
			else if ((flags & FSPACE) && need > width)
			    blen++;
			memcpy(&buf[blen + need - strlen(expr)], expr,
			       strlen(expr));
		    }
		    blen += strlen(&buf[blen]);
		    break;
		}

		fmt_setup(fbuf, sizeof(fbuf), *p, flags, width, prec);
		need = 0;
		if (*p != 'e' && *p != 'E') {
		    i = INT_MIN;
		    frexp(fval, &i);
		    if (i > 0)
			need = BIT_DIGITS(i);
		}
		need += (flags&FPREC) ? prec : default_float_precision;
		if ((flags&FWIDTH) && need < width)
		    need = width;
		need += 20;

		CHECK(need);
		snprintf(&buf[blen], need, fbuf, fval);
		blen += strlen(&buf[blen]);
	    }
	    break;
	}
	flags = FNONE;
    }

  sprint_exit:
    RB_GC_GUARD(fmt);
    /* XXX - We cannot validate the number of arguments if (digit)$ style used.
     */
    if (posarg >= 0 && nextarg < argc) {
	const char *mesg = "too many arguments for format string";
	if (RTEST(ruby_debug)) rb_raise(rb_eArgError, "%s", mesg);
	if (RTEST(ruby_verbose)) rb_warn("%s", mesg);
    }
    rb_str_resize(result, blen);

    if (tainted) OBJ_TAINT(result);
    return result;
}
Exemple #12
0
static VALUE
ossl_asn1_decode0(unsigned char **pp, long length, long *offset, long depth,
		  int once, int yield)
{
    unsigned char *start, *p;
    const unsigned char *p0;
    long len, off = *offset;
    int hlen, tag, tc, j, infinite = 0;
    VALUE ary, asn1data, value, tag_class;

    ary = rb_ary_new();
    p = *pp;
    while(length > 0){
	start = p;
	p0 = p;
	j = ASN1_get_object(&p0, &len, &tag, &tc, length);
	p = (unsigned char *)p0;
	if(j & 0x80) ossl_raise(eASN1Error, NULL);
	hlen = rb_long2int(p - start);
	if(yield){
	    VALUE arg = rb_ary_new();
	    rb_ary_push(arg, LONG2NUM(depth));
	    rb_ary_push(arg, LONG2NUM(off));
	    rb_ary_push(arg, LONG2NUM(hlen));
	    rb_ary_push(arg, LONG2NUM(len));
	    rb_ary_push(arg, (j & V_ASN1_CONSTRUCTED) ? Qtrue : Qfalse);
	    rb_ary_push(arg, ossl_asn1_class2sym(tc));
	    rb_ary_push(arg, INT2NUM(tag));
	    rb_yield(arg);
	}
	length -= hlen;
	off += hlen;
	if(len > length) ossl_raise(eASN1Error, "value is too short");
	if((tc & V_ASN1_PRIVATE) == V_ASN1_PRIVATE)
	    tag_class = sPRIVATE;
	else if((tc & V_ASN1_CONTEXT_SPECIFIC) == V_ASN1_CONTEXT_SPECIFIC)
	    tag_class = sCONTEXT_SPECIFIC;
	else if((tc & V_ASN1_APPLICATION) == V_ASN1_APPLICATION)
	    tag_class = sAPPLICATION;
	else
	    tag_class = sUNIVERSAL;
	if(j & V_ASN1_CONSTRUCTED){
	    if((j == 0x21) && (len == 0)){
		long lastoff = off;
                infinite = 1;
		value = ossl_asn1_decode0(&p, length, &off, depth+1, 0, yield);
		len = off - lastoff;
	    }
	    else value = ossl_asn1_decode0(&p, len, &off, depth+1, 0, yield);
	}
	else{
	    if ((j & 0x01) && (len == 0)) {
		ossl_raise(eASN1Error, "Infinite length for primitive value");
	    }
	    value = rb_str_new((const char *)p, len);
	    p += len;
	    off += len;
	}
	if(tag_class == sUNIVERSAL &&
	   tag < ossl_asn1_info_size && ossl_asn1_info[tag].klass){
	    VALUE klass = *ossl_asn1_info[tag].klass;
	    long flag = 0;
	    if(!rb_obj_is_kind_of(value, rb_cArray)){
		int l = rb_long2int(hlen + len);
		switch(tag){
		case V_ASN1_BOOLEAN:
		    value = decode_bool(start, l);
		    break;
		case V_ASN1_INTEGER:
		    value = decode_int(start, l);
		    break;
		case V_ASN1_BIT_STRING:
		    value = decode_bstr(start, l, &flag);
		    break;
		case V_ASN1_NULL:
		    value = decode_null(start, l);
		    break;
		case V_ASN1_ENUMERATED:
		    value = decode_enum(start, l);
		    break;
		case V_ASN1_OBJECT:
		    value = decode_obj(start, l);
		    break;
		case V_ASN1_UTCTIME:           /* FALLTHROUGH */
		case V_ASN1_GENERALIZEDTIME:
		    value = decode_time(start, l);
		    break;
		default:
		    /* use original value */
		    break;
		}
	    }
            if (infinite && !(tag == V_ASN1_SEQUENCE || tag == V_ASN1_SET)){
                asn1data = rb_funcall(cASN1Constructive,
                                      rb_intern("new"),
                                      4,
                                      value,
                                      INT2NUM(tag),
                                      Qnil,
                                      ID2SYM(tag_class));
            }
            else{
                if (tag == V_ASN1_EOC){
                    asn1data = rb_funcall(cASN1EndOfContent,
                                          rb_intern("new"),
                                          0);
                }
                else{
                    asn1data = rb_funcall(klass, rb_intern("new"), 1, value);
                }
            }
	    if(tag == V_ASN1_BIT_STRING){
		rb_iv_set(asn1data, "@unused_bits", LONG2NUM(flag));
	    }
	}
	else{
            asn1data = rb_funcall(cASN1Data, rb_intern("new"), 3,
				  value, INT2NUM(tag), ID2SYM(tag_class));
        }

        if (infinite)
            ossl_asn1_set_infinite_length(asn1data, Qtrue);
        else
            ossl_asn1_set_infinite_length(asn1data, Qfalse);
        
	rb_ary_push(ary, asn1data);
	length -= len;
        if(once) break;
    }
    *pp = p;
    *offset = off;

    return ary;
}
Exemple #13
0
VALUE
rb_str_format(int argc, const VALUE *argv, VALUE fmt)
{
    rb_encoding *enc;
    const char *p, *end;
    char *buf;
    long blen, bsiz;
    VALUE result;

    long scanned = 0;
    int coderange = ENC_CODERANGE_7BIT;
    int width, prec, flags = FNONE;
    int nextarg = 1;
    int posarg = 0;
    int tainted = 0;
    VALUE nextvalue;
    VALUE tmp;
    VALUE str;
    volatile VALUE hash = Qundef;

#define CHECK_FOR_WIDTH(f)				 \
    if ((f) & FWIDTH) {					 \
	rb_raise(rb_eArgError, "width given twice");	 \
    }							 \
    if ((f) & FPREC0) {					 \
	rb_raise(rb_eArgError, "width after precision"); \
    }
#define CHECK_FOR_FLAGS(f)				 \
    if ((f) & FWIDTH) {					 \
	rb_raise(rb_eArgError, "flag after width");	 \
    }							 \
    if ((f) & FPREC0) {					 \
	rb_raise(rb_eArgError, "flag after precision"); \
    }

    ++argc;
    --argv;
    if (OBJ_TAINTED(fmt)) tainted = 1;
    StringValue(fmt);
    enc = rb_enc_get(fmt);
    fmt = rb_str_new4(fmt);
    p = RSTRING_PTR(fmt);
    end = p + RSTRING_LEN(fmt);
    blen = 0;
    bsiz = 120;
    result = rb_str_buf_new(bsiz);
    rb_enc_copy(result, fmt);
    buf = RSTRING_PTR(result);
    memset(buf, 0, bsiz);
    ENC_CODERANGE_SET(result, coderange);

    for (; p < end; p++) {
	const char *t;
	int n;
	ID id = 0;

	for (t = p; t < end && *t != '%'; t++) ;
	PUSH(p, t - p);
	if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {
	    scanned += rb_str_coderange_scan_restartable(buf+scanned, buf+blen, enc, &coderange);
	    ENC_CODERANGE_SET(result, coderange);
	}
	if (t >= end) {
	    /* end of fmt string */
	    goto sprint_exit;
	}
	p = t + 1;		/* skip `%' */

	width = prec = -1;
	nextvalue = Qundef;
      retry:
	switch (*p) {
	  default:
	    if (rb_enc_isprint(*p, enc))
		rb_raise(rb_eArgError, "malformed format string - %%%c", *p);
	    else
		rb_raise(rb_eArgError, "malformed format string");
	    break;

	  case ' ':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FSPACE;
	    p++;
	    goto retry;

	  case '#':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FSHARP;
	    p++;
	    goto retry;

	  case '+':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FPLUS;
	    p++;
	    goto retry;

	  case '-':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FMINUS;
	    p++;
	    goto retry;

	  case '0':
	    CHECK_FOR_FLAGS(flags);
	    flags |= FZERO;
	    p++;
	    goto retry;

	  case '1': case '2': case '3': case '4':
	  case '5': case '6': case '7': case '8': case '9':
	    n = 0;
	    GETNUM(n, width);
	    if (*p == '$') {
		if (nextvalue != Qundef) {
		    rb_raise(rb_eArgError, "value given twice - %d$", n);
		}
		nextvalue = GETPOSARG(n);
		p++;
		goto retry;
	    }
	    CHECK_FOR_WIDTH(flags);
	    width = n;
	    flags |= FWIDTH;
	    goto retry;

	  case '<':
	  case '{':
	    {
		const char *start = p;
		char term = (*p == '<') ? '>' : '}';
		int len;

		for (; p < end && *p != term; ) {
		    p += rb_enc_mbclen(p, end, enc);
		}
		if (p >= end) {
		    rb_raise(rb_eArgError, "malformed name - unmatched parenthesis");
		}
#if SIZEOF_INT < SIZEOF_SIZE_T
		if ((size_t)(p - start) >= INT_MAX) {
		    const int message_limit = 20;
		    len = (int)(rb_enc_right_char_head(start, start + message_limit, p, enc) - start);
		    rb_enc_raise(enc, rb_eArgError,
				 "too long name (%"PRIdSIZE" bytes) - %.*s...%c",
				 (size_t)(p - start - 2), len, start, term);
		}
#endif
		len = (int)(p - start + 1); /* including parenthesis */
		if (id) {
		    rb_enc_raise(enc, rb_eArgError, "named%.*s after <%s>",
				 len, start, rb_id2name(id));
		}
		nextvalue = GETNAMEARG((id = rb_check_id_cstr(start + 1,
							      len - 2 /* without parenthesis */,
							      enc),
					ID2SYM(id)),
				       start, len, enc);
		if (nextvalue == Qundef) {
		    rb_enc_raise(enc, rb_eKeyError, "key%.*s not found", len, start);
		}
		if (term == '}') goto format_s;
		p++;
		goto retry;
	    }

	  case '*':
	    CHECK_FOR_WIDTH(flags);
	    flags |= FWIDTH;
	    GETASTER(width);
	    if (width < 0) {
		flags |= FMINUS;
		width = -width;
	    }
	    p++;
	    goto retry;

	  case '.':
	    if (flags & FPREC0) {
		rb_raise(rb_eArgError, "precision given twice");
	    }
	    flags |= FPREC|FPREC0;

	    prec = 0;
	    p++;
	    if (*p == '*') {
		GETASTER(prec);
		if (prec < 0) {	/* ignore negative precision */
		    flags &= ~FPREC;
		}
		p++;
		goto retry;
	    }

	    GETNUM(prec, precision);
	    goto retry;

	  case '\n':
	  case '\0':
	    p--;
	  case '%':
	    if (flags != FNONE) {
		rb_raise(rb_eArgError, "invalid format character - %%");
	    }
	    PUSH("%", 1);
	    break;

	  case 'c':
	    {
		VALUE val = GETARG();
		VALUE tmp;
		unsigned int c;
		int n;

		tmp = rb_check_string_type(val);
		if (!NIL_P(tmp)) {
		    if (rb_enc_strlen(RSTRING_PTR(tmp),RSTRING_END(tmp),enc) != 1) {
			rb_raise(rb_eArgError, "%%c requires a character");
		    }
		    c = rb_enc_codepoint_len(RSTRING_PTR(tmp), RSTRING_END(tmp), &n, enc);
		    RB_GC_GUARD(tmp);
		}
		else {
		    c = NUM2INT(val);
		    n = rb_enc_codelen(c, enc);
		}
		if (n <= 0) {
		    rb_raise(rb_eArgError, "invalid character");
		}
		if (!(flags & FWIDTH)) {
		    CHECK(n);
		    rb_enc_mbcput(c, &buf[blen], enc);
		    blen += n;
		}
		else if ((flags & FMINUS)) {
		    CHECK(n);
		    rb_enc_mbcput(c, &buf[blen], enc);
		    blen += n;
		    FILL(' ', width-1);
		}
		else {
		    FILL(' ', width-1);
		    CHECK(n);
		    rb_enc_mbcput(c, &buf[blen], enc);
		    blen += n;
		}
	    }
	    break;

	  case 's':
	  case 'p':
	  format_s:
	    {
		VALUE arg = GETARG();
		long len, slen;

		if (*p == 'p') arg = rb_inspect(arg);
		str = rb_obj_as_string(arg);
		if (OBJ_TAINTED(str)) tainted = 1;
		len = RSTRING_LEN(str);
		rb_str_set_len(result, blen);
		if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {
		    int cr = coderange;
		    scanned += rb_str_coderange_scan_restartable(buf+scanned, buf+blen, enc, &cr);
		    ENC_CODERANGE_SET(result,
				      (cr == ENC_CODERANGE_UNKNOWN ?
				       ENC_CODERANGE_BROKEN : (coderange = cr)));
		}
		enc = rb_enc_check(result, str);
		if (flags&(FPREC|FWIDTH)) {
		    slen = rb_enc_strlen(RSTRING_PTR(str),RSTRING_END(str),enc);
		    if (slen < 0) {
			rb_raise(rb_eArgError, "invalid mbstring sequence");
		    }
		    if ((flags&FPREC) && (prec < slen)) {
			char *p = rb_enc_nth(RSTRING_PTR(str), RSTRING_END(str),
					     prec, enc);
			slen = prec;
			len = p - RSTRING_PTR(str);
		    }
		    /* need to adjust multi-byte string pos */
		    if ((flags&FWIDTH) && (width > slen)) {
			width -= (int)slen;
			if (!(flags&FMINUS)) {
			    CHECK(width);
			    while (width--) {
				buf[blen++] = ' ';
			    }
			}
			CHECK(len);
			memcpy(&buf[blen], RSTRING_PTR(str), len);
			RB_GC_GUARD(str);
			blen += len;
			if (flags&FMINUS) {
			    CHECK(width);
			    while (width--) {
				buf[blen++] = ' ';
			    }
			}
			rb_enc_associate(result, enc);
			break;
		    }
		}
		PUSH(RSTRING_PTR(str), len);
		RB_GC_GUARD(str);
		rb_enc_associate(result, enc);
	    }
	    break;

	  case 'd':
	  case 'i':
	  case 'o':
	  case 'x':
	  case 'X':
	  case 'b':
	  case 'B':
	  case 'u':
	    {
		volatile VALUE val = GETARG();
		char fbuf[32], nbuf[64], *s;
		const char *prefix = 0;
		int sign = 0, dots = 0;
		char sc = 0;
		long v = 0;
		int base, bignum = 0;
		int len;

		switch (*p) {
		  case 'd':
		  case 'i':
		  case 'u':
		    sign = 1; break;
		  case 'o':
		  case 'x':
		  case 'X':
		  case 'b':
		  case 'B':
		    if (flags&(FPLUS|FSPACE)) sign = 1;
		    break;
		}
		if (flags & FSHARP) {
		    switch (*p) {
		      case 'o':
			prefix = "0"; break;
		      case 'x':
			prefix = "0x"; break;
		      case 'X':
			prefix = "0X"; break;
		      case 'b':
			prefix = "0b"; break;
		      case 'B':
			prefix = "0B"; break;
		    }
		}

	      bin_retry:
		switch (TYPE(val)) {
		  case T_FLOAT:
		    if (FIXABLE(RFLOAT_VALUE(val))) {
			val = LONG2FIX((long)RFLOAT_VALUE(val));
			goto bin_retry;
		    }
		    val = rb_dbl2big(RFLOAT_VALUE(val));
		    if (FIXNUM_P(val)) goto bin_retry;
		    bignum = 1;
		    break;
		  case T_STRING:
		    val = rb_str_to_inum(val, 0, TRUE);
		    goto bin_retry;
		  case T_BIGNUM:
		    bignum = 1;
		    break;
		  case T_FIXNUM:
		    v = FIX2LONG(val);
		    break;
		  default:
		    val = rb_Integer(val);
		    goto bin_retry;
		}

		switch (*p) {
		  case 'o':
		    base = 8; break;
		  case 'x':
		  case 'X':
		    base = 16; break;
		  case 'b':
		  case 'B':
		    base = 2; break;
		  case 'u':
		  case 'd':
		  case 'i':
		  default:
		    base = 10; break;
		}

		if (!bignum) {
		    if (base == 2) {
			val = rb_int2big(v);
			goto bin_retry;
		    }
		    if (sign) {
			char c = *p;
			if (c == 'i') c = 'd'; /* %d and %i are identical */
			if (v < 0) {
			    v = -v;
			    sc = '-';
			    width--;
			}
			else if (flags & FPLUS) {
			    sc = '+';
			    width--;
			}
			else if (flags & FSPACE) {
			    sc = ' ';
			    width--;
			}
			snprintf(fbuf, sizeof(fbuf), "%%l%c", c);
			snprintf(nbuf, sizeof(nbuf), fbuf, v);
			s = nbuf;
		    }
		    else {
			s = nbuf;
			if (v < 0) {
			    dots = 1;
			}
			snprintf(fbuf, sizeof(fbuf), "%%l%c", *p == 'X' ? 'x' : *p);
			snprintf(++s, sizeof(nbuf) - 1, fbuf, v);
			if (v < 0) {
			    char d = 0;

			    s = remove_sign_bits(s, base);
			    switch (base) {
			      case 16:
				d = 'f'; break;
			      case 8:
				d = '7'; break;
			    }
			    if (d && *s != d) {
				*--s = d;
			    }
			}
		    }
		    len = (int)strlen(s);
		}
		else {
		    if (sign) {
			tmp = rb_big2str(val, base);
			s = RSTRING_PTR(tmp);
			if (s[0] == '-') {
			    s++;
			    sc = '-';
			    width--;
			}
			else if (flags & FPLUS) {
			    sc = '+';
			    width--;
			}
			else if (flags & FSPACE) {
			    sc = ' ';
			    width--;
			}
		    }
		    else {
			if (!RBIGNUM_SIGN(val)) {
			    val = rb_big_clone(val);
			    rb_big_2comp(val);
			}
			tmp = rb_big2str0(val, base, RBIGNUM_SIGN(val));
			s = RSTRING_PTR(tmp);
			if (*s == '-') {
			    dots = 1;
			    if (base == 10) {
				rb_warning("negative number for %%u specifier");
			    }
			    s = remove_sign_bits(++s, base);
			    switch (base) {
			      case 16:
				if (s[0] != 'f') *--s = 'f'; break;
			      case 8:
				if (s[0] != '7') *--s = '7'; break;
			      case 2:
				if (s[0] != '1') *--s = '1'; break;
			    }
			}
		    }
		    len = rb_long2int(RSTRING_END(tmp) - s);
		}

		if (dots) {
		    prec -= 2;
		    width -= 2;
		}

		if (*p == 'X') {
		    char *pp = s;
		    int c;
		    while ((c = (int)(unsigned char)*pp) != 0) {
			*pp = rb_enc_toupper(c, enc);
			pp++;
		    }
		}
		if (prefix && !prefix[1]) { /* octal */
		    if (dots) {
			prefix = 0;
		    }
		    else if (len == 1 && *s == '0') {
			len = 0;
			if (flags & FPREC) prec--;
		    }
		    else if ((flags & FPREC) && (prec > len)) {
			prefix = 0;
		    }
		}
		else if (len == 1 && *s == '0') {
		    prefix = 0;
		}
		if (prefix) {
		    width -= (int)strlen(prefix);
		}
		if ((flags & (FZERO|FMINUS|FPREC)) == FZERO) {
		    prec = width;
		    width = 0;
		}
		else {
		    if (prec < len) {
			if (!prefix && prec == 0 && len == 1 && *s == '0') len = 0;
			prec = len;
		    }
		    width -= prec;
		}
		if (!(flags&FMINUS)) {
		    CHECK(width);
		    while (width-- > 0) {
			buf[blen++] = ' ';
		    }
		}
		if (sc) PUSH(&sc, 1);
		if (prefix) {
		    int plen = (int)strlen(prefix);
		    PUSH(prefix, plen);
		}
		CHECK(prec - len);
		if (dots) PUSH("..", 2);
		if (!bignum && v < 0) {
		    char c = sign_bits(base, p);
		    while (len < prec--) {
			buf[blen++] = c;
		    }
		}
		else if ((flags & (FMINUS|FPREC)) != FMINUS) {
		    char c;

		    if (!sign && bignum && !RBIGNUM_SIGN(val))
			c = sign_bits(base, p);
		    else
			c = '0';
		    while (len < prec--) {
			buf[blen++] = c;
		    }
		}
		PUSH(s, len);
		RB_GC_GUARD(tmp);
		CHECK(width);
		while (width-- > 0) {
		    buf[blen++] = ' ';
		}
	    }
	    break;

	  case 'f':
	  case 'g':
	  case 'G':
	  case 'e':
	  case 'E':
	  case 'a':
	  case 'A':
	    {
		VALUE val = GETARG();
		double fval;
		int i, need = 6;
		char fbuf[32];

		fval = RFLOAT_VALUE(rb_Float(val));
		if (isnan(fval) || isinf(fval)) {
		    const char *expr;

		    if (isnan(fval)) {
			expr = "NaN";
		    }
		    else {
			expr = "Inf";
		    }
		    need = (int)strlen(expr);
		    if ((!isnan(fval) && fval < 0.0) || (flags & FPLUS))
			need++;
		    if ((flags & FWIDTH) && need < width)
			need = width;

		    CHECK(need + 1);
		    snprintf(&buf[blen], need + 1, "%*s", need, "");
		    if (flags & FMINUS) {
			if (!isnan(fval) && fval < 0.0)
			    buf[blen++] = '-';
			else if (flags & FPLUS)
			    buf[blen++] = '+';
			else if (flags & FSPACE)
			    blen++;
			memcpy(&buf[blen], expr, strlen(expr));
		    }
		    else {
			if (!isnan(fval) && fval < 0.0)
			    buf[blen + need - strlen(expr) - 1] = '-';
			else if (flags & FPLUS)
			    buf[blen + need - strlen(expr) - 1] = '+';
			else if ((flags & FSPACE) && need > width)
			    blen++;
			memcpy(&buf[blen + need - strlen(expr)], expr,
			       strlen(expr));
		    }
		    blen += strlen(&buf[blen]);
		    break;
		}

		fmt_setup(fbuf, sizeof(fbuf), *p, flags, width, prec);
		need = 0;
		if (*p != 'e' && *p != 'E') {
		    i = INT_MIN;
		    frexp(fval, &i);
		    if (i > 0)
			need = BIT_DIGITS(i);
		}
		need += (flags&FPREC) ? prec : 6;
		if ((flags&FWIDTH) && need < width)
		    need = width;
		need += 20;

		CHECK(need);
		snprintf(&buf[blen], need, fbuf, fval);
		blen += strlen(&buf[blen]);
	    }
	    break;
	}
	flags = FNONE;
    }

  sprint_exit:
    RB_GC_GUARD(fmt);
    /* XXX - We cannot validate the number of arguments if (digit)$ style used.
     */
    if (posarg >= 0 && nextarg < argc) {
	const char *mesg = "too many arguments for format string";
	if (RTEST(ruby_debug)) rb_raise(rb_eArgError, "%s", mesg);
	if (RTEST(ruby_verbose)) rb_warn("%s", mesg);
    }
    rb_str_resize(result, blen);

    if (tainted) OBJ_TAINT(result);
    return result;
}
Exemple #14
0
static int
setup_parameters_complex(rb_thread_t * const th, const rb_iseq_t * const iseq,
			 struct rb_calling_info *const calling,
			 const struct rb_call_info *ci,
			 VALUE * const locals, const enum arg_setup_type arg_setup_type)
{
    const int min_argc = iseq->body->param.lead_num + iseq->body->param.post_num;
    const int max_argc = (iseq->body->param.flags.has_rest == FALSE) ? min_argc + iseq->body->param.opt_num : UNLIMITED_ARGUMENTS;
    int opt_pc = 0;
    int given_argc;
    struct args_info args_body, *args;
    VALUE keyword_hash = Qnil;
    VALUE * const orig_sp = th->cfp->sp;
    unsigned int i;

    /*
     * Extend SP for GC.
     *
     * [pushed values] [uninitialized values]
     * <- ci->argc -->
     * <- iseq->body->param.size------------>
     * ^ locals        ^ sp
     *
     * =>
     * [pushed values] [initialized values  ]
     * <- ci->argc -->
     * <- iseq->body->param.size------------>
     * ^ locals                             ^ sp
     */
    for (i=calling->argc; i<iseq->body->param.size; i++) {
	locals[i] = Qnil;
    }
    th->cfp->sp = &locals[i];

    /* setup args */
    args = &args_body;
    given_argc = args->argc = calling->argc;
    args->argv = locals;

    if (ci->flag & VM_CALL_KWARG) {
	args->kw_arg = ((struct rb_call_info_with_kwarg *)ci)->kw_arg;

	if (iseq->body->param.flags.has_kw) {
	    int kw_len = args->kw_arg->keyword_len;
	    /* copy kw_argv */
	    args->kw_argv = ALLOCA_N(VALUE, kw_len);
	    args->argc -= kw_len;
	    given_argc -= kw_len;
	    MEMCPY(args->kw_argv, locals + args->argc, VALUE, kw_len);
	}
	else {
	    args->kw_argv = NULL;
	    given_argc = args_kw_argv_to_hash(args);
	}
    }
    else {
	args->kw_arg = NULL;
	args->kw_argv = NULL;
    }

    if (ci->flag & VM_CALL_ARGS_SPLAT) {
	args->rest = locals[--args->argc];
	args->rest_index = 0;
	given_argc += RARRAY_LENINT(args->rest) - 1;
    }
    else {
	args->rest = Qfalse;
    }

    switch (arg_setup_type) {
      case arg_setup_method:
	break; /* do nothing special */
      case arg_setup_block:
	if (given_argc == 1 &&
	    (min_argc > 0 || iseq->body->param.opt_num > 1 ||
	     iseq->body->param.flags.has_kw || iseq->body->param.flags.has_kwrest) &&
	    !iseq->body->param.flags.ambiguous_param0 &&
	    args_check_block_arg0(args, th)) {
	    given_argc = RARRAY_LENINT(args->rest);
	}
	break;
      case arg_setup_lambda:
	if (given_argc == 1 &&
	    given_argc != iseq->body->param.lead_num &&
	    !iseq->body->param.flags.has_rest &&
	    args_check_block_arg0(args, th)) {
	    given_argc = RARRAY_LENINT(args->rest);
	}
    }

    /* argc check */
    if (given_argc < min_argc) {
	if (given_argc == min_argc - 1 && args->kw_argv) {
	    args_stored_kw_argv_to_hash(args);
	    given_argc = args_argc(args);
	}
	else {
	    if (arg_setup_type == arg_setup_block) {
		CHECK_VM_STACK_OVERFLOW(th->cfp, min_argc);
		given_argc = min_argc;
		args_extend(args, min_argc);
	    }
	    else {
		argument_arity_error(th, iseq, given_argc, min_argc, max_argc);
	    }
	}
    }

    if (given_argc > min_argc &&
	(iseq->body->param.flags.has_kw || iseq->body->param.flags.has_kwrest) &&
	args->kw_argv == NULL) {
	if (args_pop_keyword_hash(args, &keyword_hash, th)) {
	    given_argc--;
	}
    }

    if (given_argc > max_argc && max_argc != UNLIMITED_ARGUMENTS) {
	if (arg_setup_type == arg_setup_block) {
	    /* truncate */
	    args_reduce(args, given_argc - max_argc);
	    given_argc = max_argc;
	}
	else {
	    argument_arity_error(th, iseq, given_argc, min_argc, max_argc);
	}
    }

    if (iseq->body->param.flags.has_lead) {
	args_setup_lead_parameters(args, iseq->body->param.lead_num, locals + 0);
    }

    if (iseq->body->param.flags.has_post) {
	args_setup_post_parameters(args, iseq->body->param.post_num, locals + iseq->body->param.post_start);
    }

    if (iseq->body->param.flags.has_opt) {
	int opt = args_setup_opt_parameters(args, iseq->body->param.opt_num, locals + iseq->body->param.lead_num);
	opt_pc = (int)iseq->body->param.opt_table[opt];
    }

    if (iseq->body->param.flags.has_rest) {
	args_setup_rest_parameter(args, locals + iseq->body->param.rest_start);
    }

    if (iseq->body->param.flags.has_kw) {
	VALUE * const klocals = locals + iseq->body->param.keyword->bits_start - iseq->body->param.keyword->num;

	if (args->kw_argv != NULL) {
	    const struct rb_call_info_kw_arg *kw_arg = args->kw_arg;
	    args_setup_kw_parameters(args->kw_argv, kw_arg->keyword_len, kw_arg->keywords, iseq, klocals);
	}
	else if (!NIL_P(keyword_hash)) {
	    int kw_len = rb_long2int(RHASH_SIZE(keyword_hash));
	    struct fill_values_arg arg;
	    /* copy kw_argv */
	    arg.keys = args->kw_argv = ALLOCA_N(VALUE, kw_len * 2);
	    arg.vals = arg.keys + kw_len;
	    arg.argc = 0;
	    rb_hash_foreach(keyword_hash, fill_keys_values, (VALUE)&arg);
	    VM_ASSERT(arg.argc == kw_len);
	    args_setup_kw_parameters(arg.vals, kw_len, arg.keys, iseq, klocals);
	}
	else {
	    VM_ASSERT(args_argc(args) == 0);
	    args_setup_kw_parameters(NULL, 0, NULL, iseq, klocals);
	}
    }
    else if (iseq->body->param.flags.has_kwrest) {
	args_setup_kw_rest_parameter(keyword_hash, locals + iseq->body->param.keyword->rest_start);
    }

    if (iseq->body->param.flags.has_block) {
	args_setup_block_parameter(th, calling, locals + iseq->body->param.block_start);
    }

#if 0
    {
	int i;
	for (i=0; i<iseq->body->param.size; i++) {
	    fprintf(stderr, "local[%d] = %p\n", i, (void *)locals[i]);
	}
    }
#endif

    th->cfp->sp = orig_sp;
    return opt_pc;
}