C++ CK函數代碼示例

本文整理匯總了C++中CK函數的典型用法代碼示例。如果您正苦於以下問題：C++ CK函數的具體用法？C++ CK怎麽用？C++ CK使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。

在下文中一共展示了CK函數的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C++代碼示例。

示例1: real_malloc

void *X(malloc_plain)(size_t n)
{
     void *p;
     if (n == 0)
          n = 1;
     p = real_malloc(n);
     CK(p);

#ifdef MIN_ALIGMENT
     A((((uintptr_t)p) % MIN_ALIGNMENT) == 0);
#endif

     return p;
}

開發者ID:abrahamneben，項目名稱:orbcomm_beam_mapping，代碼行數:14，代碼來源:alloc.c

示例2: mbfl_filt_conv_utf16_wchar

/*
 * UTF-16 => wchar
 */
int mbfl_filt_conv_utf16_wchar(int c, mbfl_convert_filter *filter)
{
	int n, endian;

	endian = filter->status & 0xff00;
	switch (filter->status & 0x0f) {
	case 0:
		if (endian) {
			n = c & 0xff;
		} else {
			n = (c & 0xff) << 8;
		}
		filter->cache |= n;
		filter->status++;
		break;
	default:
		if (endian) {
			n = (c & 0xff) << 8;
		} else {
			n = c & 0xff;
		}
		n |= filter->cache & 0xffff;
		filter->status &= ~0x0f;
		if (n >= 0xd800 && n < 0xdc00) {
			filter->cache = ((n & 0x3ff) << 16) + 0x400000;
		} else if (n >= 0xdc00 && n < 0xe000) {
			n &= 0x3ff;
			n |= (filter->cache & 0xfff0000) >> 6;
			filter->cache = 0;
			if (n >= MBFL_WCSPLANE_SUPMIN && n < MBFL_WCSPLANE_SUPMAX) {
				CK((*filter->output_function)(n, filter->data));
			} else {		/* illegal character */
				n &= MBFL_WCSGROUP_MASK;
				n |= MBFL_WCSGROUP_THROUGH;
				CK((*filter->output_function)(n, filter->data));
			}
		} else {

開發者ID:0，項目名稱:php-src，代碼行數:40，代碼來源:mbfilter_utf16.c

示例3: mbfl_filt_conv_wchar_hz

/*
 * wchar => HZ
 */
int
mbfl_filt_conv_wchar_hz(int c, mbfl_convert_filter *filter)
{
	int s;

	s = 0;
	if (c >= ucs_a1_cp936_table_min && c < ucs_a1_cp936_table_max) {
		s = ucs_a1_cp936_table[c - ucs_a1_cp936_table_min];
	} else if (c >= ucs_a2_cp936_table_min && c < ucs_a2_cp936_table_max) {
		s = ucs_a2_cp936_table[c - ucs_a2_cp936_table_min];
	} else if (c >= ucs_a3_cp936_table_min && c < ucs_a3_cp936_table_max) {
		s = ucs_a3_cp936_table[c - ucs_a3_cp936_table_min];
	} else if (c >= ucs_i_cp936_table_min && c < ucs_i_cp936_table_max) {
		s = ucs_i_cp936_table[c - ucs_i_cp936_table_min];
	} else if (c >= ucs_hff_cp936_table_min && c < ucs_hff_cp936_table_max) {
		s = ucs_hff_cp936_table[c - ucs_hff_cp936_table_min];
	}
	if (s & 0x8000) {
		s -= 0x8080;
	}

	if (s <= 0) {
		if (c == 0) {
			s = 0;
		} else if (s <= 0) {
			s = -1;
		}
	} else if ((s >= 0x80 && s < 0x2121) || (s > 0x8080)) {
		s = -1;
	}
	if (s >= 0) {
		if (s < 0x80) { /* ASCII */
			if ((filter->status & 0xff00) != 0) {
				CK((*filter->output_function)(0x7e, filter->data));		/* '~' */
				CK((*filter->output_function)(0x7d, filter->data));		/* '}' */
			}
			filter->status = 0;
			if (s == 0x7e){
				CK((*filter->output_function)(0x7e, filter->data));
			}
			CK((*filter->output_function)(s, filter->data));
		} else { /* GB 2312-80 */
			if ((filter->status & 0xff00) != 0x200) {
				CK((*filter->output_function)(0x7e, filter->data));		/* '~' */
				CK((*filter->output_function)(0x7b, filter->data));		/* '{' */
			}
			filter->status = 0x200;
			CK((*filter->output_function)((s >> 8) & 0x7f, filter->data));
			CK((*filter->output_function)(s & 0x7f, filter->data));
		}
	} else {
		if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {

開發者ID:azatoth，項目名稱:php-src，代碼行數:55，代碼來源:mbfilter_hz.c

示例4: main

int
main (void)
{
    size_t b_size = 2;
    char *b = malloc (b_size);
    ASSERT (b);

    /* Ideally we would rely on the snprintf-posix module, in which case
       this guard would not be required, but due to limitations in gnulib's
       implementation (see modules/snprintf-posix), we cannot.  */
    if (snprintf (b, b_size, "%ju", (uintmax_t) 3) == 1
            && b[0] == '3' && b[1] == '\0')
    {
        CK (int,          inttostr);
        CK (unsigned int, uinttostr);
        CK (off_t,        offtostr);
        CK (uintmax_t,    umaxtostr);
        CK (intmax_t,     imaxtostr);
        return 0;
    }

    /* snprintf doesn't accept %ju; skip this test.  */
    return 77;
}

開發者ID:praiskup，項目名稱:gnulib，代碼行數:24，代碼來源:test-inttostr.c

示例5: mbfl_filt_conv_ucs2be_wchar

/*
 * UCS-2BE => wchar
 */
int mbfl_filt_conv_ucs2be_wchar(int c, mbfl_convert_filter *filter)
{
	int n;

	if (filter->status == 0) {
		filter->status = 1;
		n = (c & 0xff) << 8;
		filter->cache = n;
	} else {
		filter->status = 0;
		n = (c & 0xff) | filter->cache;
		CK((*filter->output_function)(n, filter->data));
	}
	return c;
}

開發者ID:IMSoP，項目名稱:php-src，代碼行數:18，代碼來源:mbfilter_ucs2.c

示例6: GET_KEY

void FlatCodeGen::COND_TRANSLATE()
{
	out << 
		"	_widec = " << GET_KEY() << ";\n";

	out <<
		"	_keys = " << ARR_OFF( CK(), "(" + vCS() + "<<1)" ) << ";\n"
		"	_conds = " << ARR_OFF( C(), CO() + "[" + vCS() + "]" ) << ";\n"
		"\n"
		"	_slen = " << CSP() << "[" << vCS() << "];\n"
		"	_cond = _slen > 0 && _keys[0] <=" << GET_WIDE_KEY() << " &&\n"
		"		" << GET_WIDE_KEY() << " <= _keys[1] ?\n"
		"		_conds[" << GET_WIDE_KEY() << " - _keys[0]] : 0;\n"
		"\n";

	out <<
		"	switch ( _cond ) {\n";
	for ( CondSpaceList::Iter csi = condSpaceList; csi.lte(); csi++ ) {
		GenCondSpace *condSpace = csi;
		out << "	case " << condSpace->condSpaceId + 1 << ": {\n";
		out << TABS(2) << "_widec = " << CAST(WIDE_ALPH_TYPE()) << "(" <<
				KEY(condSpace->baseKey) << " + (" << GET_KEY() << 
				" - " << KEY(keyOps->minKey) << "));\n";

		for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
			out << TABS(2) << "if ( ";
			CONDITION( out, *csi );
			Size condValOffset = ((1 << csi.pos()) * keyOps->alphSize());
			out << " ) _widec += " << condValOffset << ";\n";
		}

		out << "		}\n";
		out << "		break;\n";
	}

	SWITCH_DEFAULT();

	out <<
		"	}\n";
}

開發者ID:Mirocow，項目名稱:balancer，代碼行數:40，代碼來源:cdflat.cpp

示例7: mbfl_filt_conv_byte4be_wchar

int mbfl_filt_conv_byte4be_wchar(int c, mbfl_convert_filter *filter)
{
	int n;

	if (filter->status == 0) {
		filter->status = 1;
		n = (c & 0xff) << 24;
		filter->cache = n;
	} else if (filter->status == 1) {
		filter->status = 2;
		n = (c & 0xff) << 16;
		filter->cache |= n;
	} else if (filter->status == 2) {
		filter->status = 3;
		n = (c & 0xff) << 8;
		filter->cache |= n;
	} else {
		filter->status = 0;
		n = (c & 0xff) | filter->cache;
		CK((*filter->output_function)(n, filter->data));
	}
	return c;
}

開發者ID:AllenJB，項目名稱:php-src，代碼行數:23，代碼來源:mbfilter_byte4.c

示例8: mbfl_filt_conv_armscii8_wchar

/*
 * armscii8 => wchar
 */
int mbfl_filt_conv_armscii8_wchar(int c, mbfl_convert_filter *filter)
{
	int s;

	if (c >= 0 && c < armscii8_ucs_table_min) {
		s = c;
	} else if (c >= armscii8_ucs_table_min && c < 0x100) {
		s = armscii8_ucs_table[c - armscii8_ucs_table_min];
		if (s <= 0) {
			s = c;
			s &= MBFL_WCSPLANE_MASK;
			s |= MBFL_WCSPLANE_ARMSCII8;
		}
	} else {
		s = c;
		s &= MBFL_WCSGROUP_MASK;
		s |= MBFL_WCSGROUP_THROUGH;
	}

	CK((*filter->output_function)(s, filter->data));

	return c;
}

開發者ID:DHANDAPANISATTANATHAN，項目名稱:appengine-php，代碼行數:26，代碼來源:mbfilter_armscii8.c

示例9: mbfl_filt_conv_8859_13_wchar

/*
 * ISO-8859-13 => wchar
 */
int mbfl_filt_conv_8859_13_wchar(int c, mbfl_convert_filter *filter)
{
	int s;

	if (c >= 0 && c < 0xa0) {
		s = c;
	} else if (c >= 0xa0 && c < 0x100) {
		s = iso8859_13_ucs_table[c - 0xa0];
		if (s <= 0) {
			s = c;
			s &= MBFL_WCSPLANE_MASK;
			s |= MBFL_WCSPLANE_8859_13;
		}
	} else {
		s = c;
		s &= MBFL_WCSGROUP_MASK;
		s |= MBFL_WCSGROUP_THROUGH;
	}

	CK((*filter->output_function)(s, filter->data));

	return c;
}

開發者ID:0xhacking，項目名稱:php-src，代碼行數:26，代碼來源:mbfilter_iso8859_13.c

示例10: mbfl_filt_conv_html_enc

/*
 * any => HTML
 */
int mbfl_filt_conv_html_enc(int c, mbfl_convert_filter *filter)
{
	int tmp[64];
	int i;
	unsigned int uc;
	const mbfl_html_entity_entry *e;

	if (c < sizeof(htmlentitifieds) / sizeof(htmlentitifieds[0]) &&
				htmlentitifieds[c] != 1) {
		CK((*filter->output_function)(c, filter->data));
	} else {
 		CK((*filter->output_function)('&', filter->data));
		for (i = 0; (e = &mbfl_html_entity_list[i])->name != NULL; i++) {
			if (c == e->code) {
				char *p;
				
				for (p = e->name; *p != '\0'; p++) {
					CK((*filter->output_function)((int)*p, filter->data));
				}
				goto last;
			}
		}

		{
			int *p = tmp + sizeof(tmp) / sizeof(tmp[0]);

			CK((*filter->output_function)('#', filter->data));

			uc = (unsigned int)c;

			*(--p) = '\0';
			do {
				*(--p) = "0123456789"[uc % 10];
				uc /= 10;
			} while (uc);

			for (; *p != '\0'; p++) {
				CK((*filter->output_function)(*p, filter->data));
			}
		}
	last:
		CK((*filter->output_function)(';', filter->data));
	}
	return c;
}

開發者ID:0，項目名稱:php-src，代碼行數:48，代碼來源:mbfilter_htmlent.c

示例11: mbfl_filt_conv_cp1254_wchar

/*
 * cp1254 => wchar
 */
int
mbfl_filt_conv_cp1254_wchar(int c, mbfl_convert_filter *filter)
{
	int s;

	if (c >= 0 && c < cp1254_ucs_table_min) {
		s = c;
	} else if (c >= cp1254_ucs_table_min && c < 0x100) {
		s = cp1254_ucs_table[c - cp1254_ucs_table_min];
		if (s <= 0) {
			s = c;
			s &= MBFL_WCSPLANE_MASK;
			s |= MBFL_WCSPLANE_CP1254;
		}
	} else {
		s = c;
		s &= MBFL_WCSGROUP_MASK;
		s |= MBFL_WCSGROUP_THROUGH;
	}

	CK((*filter->output_function)(s, filter->data));

	return c;
}

開發者ID:AllenJB，項目名稱:php-src，代碼行數:27，代碼來源:mbfilter_cp1254.c

示例12: mbfl_filt_conv_html_dec

int mbfl_filt_conv_html_dec(int c, mbfl_convert_filter *filter)
{
	int  pos, ent = 0;
	mbfl_html_entity_entry *entity;
	char *buffer = (char*)filter->opaque;

	if (!filter->status) {
		if (c == '&' ) {
			filter->status = 1;
			buffer[0] = '&';
		} else {
			CK((*filter->output_function)(c, filter->data));
		}
	} else {
		if (c == ';') {
			if (buffer[1]=='#') {
				if (filter->status > 2 && (buffer[2] == 'x' || buffer[2] == 'X')) {
					if (filter->status > 3) {
						/* numeric entity */
						for (pos=3; pos<filter->status; pos++) {
							int v =  buffer[pos];
							if (v >= '0' && v <= '9') {
								v = v - '0';
							} else if (v >= 'A' && v <= 'F') {
								v = v - 'A' + 10;
							} else if (v >= 'a' && v <= 'f') {
								v = v - 'a' + 10;
							} else {
								ent = -1;
								break;
							}
							ent = ent * 16 + v;
						}
					} else {
						ent = -1;
					}
				} else {
					/* numeric entity */
					if (filter->status > 2) {
						for (pos=2; pos<filter->status; pos++) {
							int v = buffer[pos];
							if (v >= '0' && v <= '9') {
								v = v - '0';
							} else {
								ent = -1;
								break;
							}
							ent = ent*10 + v;
						}
					} else {
						ent = -1;
					}
				}
				if (ent >= 0 && ent < 0x110000) {
					CK((*filter->output_function)(ent, filter->data));
				} else {
					for (pos = 0; pos < filter->status; pos++) {
						CK((*filter->output_function)(buffer[pos], filter->data));
					}
					CK((*filter->output_function)(c, filter->data));
				}
				filter->status = 0;
				/*php_error_docref("ref.mbstring" TSRMLS_CC, E_NOTICE, "mbstring decoded '%s'=%d", buffer, ent);*/
			} else {
				/* named entity */
				buffer[filter->status] = 0;
				entity = (mbfl_html_entity_entry *)mbfl_html_entity_list;
				while (entity->name) {
					if (!strcmp(buffer+1, entity->name))	{
						ent = entity->code;
						break;
					}
					entity++;
				}
				if (ent) {
					/* decoded */
					CK((*filter->output_function)(ent, filter->data));
					filter->status = 0;
					/*php_error_docref("ref.mbstring" TSRMLS_CC, E_NOTICE,"mbstring decoded '%s'=%d", buffer, ent);*/
				} else { 
					/* failure */
					buffer[filter->status++] = ';';
					buffer[filter->status] = 0;
					/* php_error_docref("ref.mbstring" TSRMLS_CC, E_WARNING, "mbstring cannot decode '%s'", buffer); */
					mbfl_filt_conv_html_dec_flush(filter);
				}
			}
		} else {
			/* add character */
			buffer[filter->status++] = c;
			/* add character and check */
			if (!strchr(html_entity_chars, c) || filter->status+1==html_enc_buffer_size || (c=='#' && filter->status>2))
			{
				/* illegal character or end of buffer */
				if (c=='&')
					filter->status--;
				buffer[filter->status] = 0;
				/* php_error_docref("ref.mbstring" TSRMLS_CC, E_WARNING, "mbstring cannot decode '%s'", buffer)l */
				mbfl_filt_conv_html_dec_flush(filter);
				if (c=='&')
//.........這裏部分代碼省略.........

開發者ID:0，項目名稱:php-src，代碼行數:101，代碼來源:mbfilter_htmlent.c

示例13: mbfl_filt_conv_eucjp_wchar

/*
 * EUC-JP => wchar
 */
int
mbfl_filt_conv_eucjp_wchar(int c, mbfl_convert_filter *filter)
{
	int c1, s, w;

	switch (filter->status) {
	case 0:
		if (c >= 0 && c < 0x80) {	/* latin */
			CK((*filter->output_function)(c, filter->data));
		} else if (c > 0xa0 && c < 0xff) {	/* X 0208 first char */
			filter->status = 1;
			filter->cache = c;
		} else if (c == 0x8e) {	/* kana first char */
			filter->status = 2;
		} else if (c == 0x8f) {	/* X 0212 first char */
			filter->status = 3;
		} else {
			w = c & MBFL_WCSGROUP_MASK;
			w |= MBFL_WCSGROUP_THROUGH;
			CK((*filter->output_function)(w, filter->data));
		}
		break;

	case 1:	/* got first half */
		filter->status = 0;
		c1 = filter->cache;
		if (c > 0xa0 && c < 0xff) {
			s = (c1 - 0xa1)*94 + c - 0xa1;
			if (s >= 0 && s < jisx0208_ucs_table_size) {
				w = jisx0208_ucs_table[s];
			} else {
				w = 0;
			}
			if (w <= 0) {
				w = ((c1 & 0x7f) << 8) | (c & 0x7f);
				w &= MBFL_WCSPLANE_MASK;
				w |= MBFL_WCSPLANE_JIS0208;
			}
			CK((*filter->output_function)(w, filter->data));
		} else if ((c >= 0 && c < 0x21) || c == 0x7f) {		/* CTLs */
			CK((*filter->output_function)(c, filter->data));
		} else {
			w = (c1 << 8) | c;
			w &= MBFL_WCSGROUP_MASK;
			w |= MBFL_WCSGROUP_THROUGH;
			CK((*filter->output_function)(w, filter->data));
		}
		break;

	case 2:	/* got 0x8e */
		filter->status = 0;
		if (c > 0xa0 && c < 0xe0) {
			w = 0xfec0 + c;
			CK((*filter->output_function)(w, filter->data));
		} else if ((c >= 0 && c < 0x21) || c == 0x7f) {		/* CTLs */
			CK((*filter->output_function)(c, filter->data));
		} else {
			w = 0x8e00 | c;
			w &= MBFL_WCSGROUP_MASK;
			w |= MBFL_WCSGROUP_THROUGH;
			CK((*filter->output_function)(w, filter->data));
		}
		break;

	case 3:	/* got 0x8f,  X 0212 first char */
		if ((c >= 0 && c < 0x21) || c == 0x7f) {		/* CTLs */
			CK((*filter->output_function)(c, filter->data));
			filter->status = 0;
		} else {
			filter->status++;
			filter->cache = c;
		}
		break;
	case 4:	/* got 0x8f,  X 0212 second char */
		filter->status = 0;
		c1 = filter->cache;
		if (c1 > 0xa0 && c1 < 0xff && c > 0xa0 && c < 0xff) {
			s = (c1 - 0xa1)*94 + c - 0xa1;
			if (s >= 0 && s < jisx0212_ucs_table_size) {
				w = jisx0212_ucs_table[s];
			} else {
				w = 0;
			}
			if (w <= 0) {
				w = ((c1 & 0x7f) << 8) | (c & 0x7f);
				w &= MBFL_WCSPLANE_MASK;
				w |= MBFL_WCSPLANE_JIS0212;
			}
			CK((*filter->output_function)(w, filter->data));
		} else if ((c >= 0 && c < 0x21) || c == 0x7f) {		/* CTLs */
			CK((*filter->output_function)(c, filter->data));
		} else {
			w = (c1 << 8) | c | 0x8f0000;
			w &= MBFL_WCSGROUP_MASK;
			w |= MBFL_WCSGROUP_THROUGH;
			CK((*filter->output_function)(w, filter->data));
		}
//.........這裏部分代碼省略.........

開發者ID:0xhacking，項目名稱:php-src，代碼行數:101，代碼來源:mbfilter_euc_jp.c

示例14: OPEN_ARRAY

void TabCodeGen::writeData()
{
	/* If there are any transtion functions then output the array. If there
	 * are none, don't bother emitting an empty array that won't be used. */
	if ( redFsm->anyActions() ) {
		OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActArrItem), A() );
		ACTIONS_ARRAY();
		CLOSE_ARRAY() <<
		"\n";
	}

	if ( redFsm->anyConditions() ) {
		OPEN_ARRAY( ARRAY_TYPE(redFsm->maxCondOffset), CO() );
		COND_OFFSETS();
		CLOSE_ARRAY() <<
		"\n";

		OPEN_ARRAY( ARRAY_TYPE(redFsm->maxCondLen), CL() );
		COND_LENS();
		CLOSE_ARRAY() <<
		"\n";

		OPEN_ARRAY( WIDE_ALPH_TYPE(), CK() );
		COND_KEYS();
		CLOSE_ARRAY() <<
		"\n";

		OPEN_ARRAY( ARRAY_TYPE(redFsm->maxCondSpaceId), C() );
		COND_SPACES();
		CLOSE_ARRAY() <<
		"\n";
	}

	OPEN_ARRAY( ARRAY_TYPE(redFsm->maxKeyOffset), KO() );
	KEY_OFFSETS();
	CLOSE_ARRAY() <<
	"\n";

	OPEN_ARRAY( WIDE_ALPH_TYPE(), K() );
	KEYS();
	CLOSE_ARRAY() <<
	"\n";

	OPEN_ARRAY( ARRAY_TYPE(redFsm->maxSingleLen), SL() );
	SINGLE_LENS();
	CLOSE_ARRAY() <<
	"\n";

	OPEN_ARRAY( ARRAY_TYPE(redFsm->maxRangeLen), RL() );
	RANGE_LENS();
	CLOSE_ARRAY() <<
	"\n";

	OPEN_ARRAY( ARRAY_TYPE(redFsm->maxIndexOffset), IO() );
	INDEX_OFFSETS();
	CLOSE_ARRAY() <<
	"\n";

	if ( useIndicies ) {
		OPEN_ARRAY( ARRAY_TYPE(redFsm->maxIndex), I() );
		INDICIES();
		CLOSE_ARRAY() <<
		"\n";

		OPEN_ARRAY( ARRAY_TYPE(redFsm->maxState), TT() );
		TRANS_TARGS_WI();
		CLOSE_ARRAY() <<
		"\n";

		if ( redFsm->anyActions() ) {
			OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActionLoc), TA() );
			TRANS_ACTIONS_WI();
			CLOSE_ARRAY() <<
			"\n";
		}
	}
	else {
		OPEN_ARRAY( ARRAY_TYPE(redFsm->maxState), TT() );
		TRANS_TARGS();
		CLOSE_ARRAY() <<
		"\n";

		if ( redFsm->anyActions() ) {
			OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActionLoc), TA() );
			TRANS_ACTIONS();
			CLOSE_ARRAY() <<
			"\n";
		}
	}

	if ( redFsm->anyToStateActions() ) {
		OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActionLoc), TSA() );
		TO_STATE_ACTIONS();
		CLOSE_ARRAY() <<
		"\n";
	}

	if ( redFsm->anyFromStateActions() ) {
		OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActionLoc), FSA() );
		FROM_STATE_ACTIONS();
//.........這裏部分代碼省略.........

開發者ID:Orvid，項目名稱:hhvm-third-party，代碼行數:101，代碼來源:cdtable.cpp

示例15: mbfl_filt_conv_utf8_wchar

/*
 * UTF-8 => wchar
 */
int mbfl_filt_conv_utf8_wchar(int c, mbfl_convert_filter *filter)
{
	int s, c1, w = 0, flag = 0;

retry:
	switch (filter->status & 0xff) {
	case 0x00:
		if (c < 0x80) {
			CK((*filter->output_function)(c, filter->data));
		} else if (c >= 0xc2 && c <= 0xdf) { /* 2byte code first char: 0xc2-0xdf */
			filter->status = 0x10;
			filter->cache = c & 0x1f;
		} else if (c >= 0xe0 && c <= 0xef) { /* 3byte code first char: 0xe0-0xef */
			filter->status = 0x20;
			filter->cache = c & 0xf;
		} else if (c >= 0xf0 && c <= 0xf4) { /* 3byte code first char: 0xf0-0xf4 */
			filter->status = 0x30;
			filter->cache = c & 0x7;
		} else {
			mbfl_filt_put_invalid_char(c, filter);
		}
		break;
	case 0x10: /* 2byte code 2nd char: 0x80-0xbf */
	case 0x21: /* 3byte code 3rd char: 0x80-0xbf */
	case 0x32: /* 4byte code 4th char: 0x80-0xbf */
		filter->status = 0;
		if (c >= 0x80 && c <= 0xbf) {
			s = (filter->cache<<6) | (c & 0x3f);			
			filter->cache = 0;
			CK((*filter->output_function)(s, filter->data));			
		} else {
			mbfl_filt_put_invalid_char(filter->cache, filter);
			goto retry;			
		}
		break;
	case 0x20: /* 3byte code 2nd char: 0:0xa0-0xbf,D:0x80-9F,1-C,E-F:0x80-0x9f */
		s = (filter->cache<<6) | (c & 0x3f);
		c1 = filter->cache & 0xf;
		
		if ((c >= 0x80 && c <= 0xbf) &&
			((c1 == 0x0 && c >= 0xa0) ||
			 (c1 == 0xd && c < 0xa0) ||
			 (c1 > 0x0 && c1 != 0xd))) {
			filter->cache = s;
			filter->status++;
		} else {
			mbfl_filt_put_invalid_char(filter->cache, filter);
			goto retry;						
		}
		break;
	case 0x30: /* 4byte code 2nd char: 0:0x90-0xbf,1-3:0x80-0xbf,4:0x80-0x8f */
		s = (filter->cache<<6) | (c & 0x3f);
		c1 = filter->cache & 0x7;
		
		if ((c >= 0x80 && c <= 0xbf) &&
			((c1 == 0x0 && c >= 0x90) ||
			 (c1 == 0x4 && c < 0x90) ||
			 (c1 > 0x0 && c1 != 0x4))) {
			filter->cache = s;
			filter->status++;
		} else {
			mbfl_filt_put_invalid_char(filter->cache, filter);
			goto retry;						
		}
		break;
	case 0x31: /* 4byte code 3rd char: 0x80-0xbf */
		if (c >= 0x80 && c <= 0xbf) {
			filter->cache = (filter->cache<<6) | (c & 0x3f);
			filter->status++;
		} else {
			mbfl_filt_put_invalid_char(filter->cache, filter);
			goto retry;						
		}
		break;
	default:
		filter->status = 0;
		break;
	}

	return c;
}

開發者ID:0x1111，項目名稱:php-src，代碼行數:84，代碼來源:mbfilter_utf8.c

注：本文中的CK函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。