14 #include <sys/types.h>
18 #define GCC_VERSION_SINCE(major, minor, patchlevel) \
19 (defined(__GNUC__) && !defined(__INTEL_COMPILER) && \
20 ((__GNUC__ > (major)) || \
21 (__GNUC__ == (major) && __GNUC_MINOR__ > (minor)) || \
22 (__GNUC__ == (major) && __GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ >= (patchlevel))))
23 #if SIZEOF_SHORT != 2 || SIZEOF_LONG != 4
34 static int endian_value;
37 if (init)
return endian_value;
40 return endian_value = p[0]?0:1;
42 # define BIGENDIAN_P() (is_bigendian())
43 #elif defined(WORDS_BIGENDIAN)
44 # define BIGENDIAN_P() 1
46 # define BIGENDIAN_P() 0
50 # define NATINT_LEN(type,len) (natint?(int)sizeof(type):(int)(len))
52 # define NATINT_LEN(type,len) ((int)sizeof(type))
56 # define INT64toNUM(x) LONG2NUM(x)
57 # define UINT64toNUM(x) ULONG2NUM(x)
58 #elif defined(HAVE_LONG_LONG) && SIZEOF_LONG_LONG == 8
59 # define INT64toNUM(x) LL2NUM(x)
60 # define UINT64toNUM(x) ULL2NUM(x)
63 #define define_swapx(x, xtype) \
65 TOKEN_PASTE(swap,x)(xtype z) \
69 unsigned char *s, *t; \
72 zp = xmalloc(sizeof(xtype)); \
74 s = (unsigned char*)zp; \
75 t = xmalloc(sizeof(xtype)); \
76 for (i=0; i<sizeof(xtype); i++) { \
77 t[sizeof(xtype)-i-1] = s[i]; \
85 #if GCC_VERSION_SINCE(4,3,0)
86 # define swap32(x) __builtin_bswap32(x)
87 # define swap64(x) __builtin_bswap64(x)
91 # define swap16(x) ((uint16_t)((((x)&0xFF)<<8) | (((x)>>8)&0xFF)))
95 # define swap32(x) ((uint32_t)((((x)&0xFF)<<24) \
97 |(((x)&0x0000FF00)<<8) \
98 |(((x)&0x00FF0000)>>8) ))
103 # define byte_in_64bit(n) ((uint64_t)0xff << (n))
104 # define swap64(x) ((uint64_t)((((x)&byte_in_64bit(0))<<56) \
106 |(((x)&byte_in_64bit(8))<<40) \
107 |(((x)&byte_in_64bit(48))>>40) \
108 |(((x)&byte_in_64bit(16))<<24) \
109 |(((x)&byte_in_64bit(40))>>24) \
110 |(((x)&byte_in_64bit(24))<<8) \
111 |(((x)&byte_in_64bit(32))>>8)))
115 #if SIZEOF_SHORT == 2
116 # define swaps(x) swap16(x)
117 #elif SIZEOF_SHORT == 4
118 # define swaps(x) swap32(x)
124 # define swapi(x) swap16(x)
125 #elif SIZEOF_INT == 4
126 # define swapi(x) swap32(x)
132 # define swapl(x) swap32(x)
133 #elif SIZEOF_LONG == 8
134 # define swapl(x) swap64(x)
139 #ifdef HAVE_LONG_LONG
140 # if SIZEOF_LONG_LONG == 8
141 # define swapll(x) swap64(x)
147 #if SIZEOF_FLOAT == 4 && defined(HAVE_INT32_T)
148 # define swapf(x) swap32(x)
149 # define FLOAT_SWAPPER uint32_t
154 #if SIZEOF_DOUBLE == 8 && defined(HAVE_INT64_T)
155 # define swapd(x) swap64(x)
156 # define DOUBLE_SWAPPER uint64_t
157 #elif SIZEOF_DOUBLE == 8 && defined(HAVE_INT32_T)
159 swapd(
const double d)
165 utmp[0] = 0; utmp[1] = 0;
166 memcpy(utmp,&dtmp,
sizeof(
double));
168 utmp[0] =
swap32(utmp[1]);
170 memcpy(&dtmp,utmp,
sizeof(
double));
179 #define rb_ntohf(x) (BIGENDIAN_P()?(x):swapf(x))
180 #define rb_ntohd(x) (BIGENDIAN_P()?(x):swapd(x))
181 #define rb_htonf(x) (BIGENDIAN_P()?(x):swapf(x))
182 #define rb_htond(x) (BIGENDIAN_P()?(x):swapd(x))
183 #define rb_htovf(x) (BIGENDIAN_P()?swapf(x):(x))
184 #define rb_htovd(x) (BIGENDIAN_P()?swapd(x):(x))
185 #define rb_vtohf(x) (BIGENDIAN_P()?swapf(x):(x))
186 #define rb_vtohd(x) (BIGENDIAN_P()?swapd(x):(x))
189 # define FLOAT_CONVWITH(y) FLOAT_SWAPPER y;
190 # define HTONF(x,y) (memcpy(&(y),&(x),sizeof(float)), \
191 (y) = rb_htonf((FLOAT_SWAPPER)(y)), \
192 memcpy(&(x),&(y),sizeof(float)), \
194 # define HTOVF(x,y) (memcpy(&(y),&(x),sizeof(float)), \
195 (y) = rb_htovf((FLOAT_SWAPPER)(y)), \
196 memcpy(&(x),&(y),sizeof(float)), \
198 # define NTOHF(x,y) (memcpy(&(y),&(x),sizeof(float)), \
199 (y) = rb_ntohf((FLOAT_SWAPPER)(y)), \
200 memcpy(&(x),&(y),sizeof(float)), \
202 # define VTOHF(x,y) (memcpy(&(y),&(x),sizeof(float)), \
203 (y) = rb_vtohf((FLOAT_SWAPPER)(y)), \
204 memcpy(&(x),&(y),sizeof(float)), \
207 # define FLOAT_CONVWITH(y)
208 # define HTONF(x,y) rb_htonf(x)
209 # define HTOVF(x,y) rb_htovf(x)
210 # define NTOHF(x,y) rb_ntohf(x)
211 # define VTOHF(x,y) rb_vtohf(x)
214 #ifdef DOUBLE_SWAPPER
215 # define DOUBLE_CONVWITH(y) DOUBLE_SWAPPER y;
216 # define HTOND(x,y) (memcpy(&(y),&(x),sizeof(double)), \
217 (y) = rb_htond((DOUBLE_SWAPPER)(y)), \
218 memcpy(&(x),&(y),sizeof(double)), \
220 # define HTOVD(x,y) (memcpy(&(y),&(x),sizeof(double)), \
221 (y) = rb_htovd((DOUBLE_SWAPPER)(y)), \
222 memcpy(&(x),&(y),sizeof(double)), \
224 # define NTOHD(x,y) (memcpy(&(y),&(x),sizeof(double)), \
225 (y) = rb_ntohd((DOUBLE_SWAPPER)(y)), \
226 memcpy(&(x),&(y),sizeof(double)), \
228 # define VTOHD(x,y) (memcpy(&(y),&(x),sizeof(double)), \
229 (y) = rb_vtohd((DOUBLE_SWAPPER)(y)), \
230 memcpy(&(x),&(y),sizeof(double)), \
233 # define DOUBLE_CONVWITH(y)
234 # define HTOND(x,y) rb_htond(x)
235 # define HTOVD(x,y) rb_htovd(x)
236 # define NTOHD(x,y) rb_ntohd(x)
237 # define VTOHD(x,y) rb_vtohd(x)
254 #define MAX_INTEGER_PACK_SIZE 8
257 static const char toofew[] =
"too few arguments";
262 static unsigned long utf8_to_uv(
const char*,
long*);
396 static const char nul10[] =
"\0\0\0\0\0\0\0\0\0\0";
397 static const char spc10[] =
" ";
398 const char *
p, *pend;
399 VALUE res, from, associates = 0;
401 long items, len, idx, plen;
407 int integer_size, bigendian_p;
417 #define TOO_FEW (rb_raise(rb_eArgError, toofew), 0)
418 #define THISFROM (items > 0 ? RARRAY_PTR(ary)[idx] : TOO_FEW)
419 #define NEXTFROM (items-- > 0 ? RARRAY_PTR(ary)[idx++] : TOO_FEW)
422 int explicit_endian = 0;
433 while ((p < pend) && (*p !=
'\n')) {
440 static const char natstr[] =
"sSiIlL";
441 static const char endstr[] =
"sSiIlLqQ";
447 if (
strchr(natstr, type)) {
460 if (!
strchr(endstr, type)) {
463 if (explicit_endian) {
466 explicit_endian = *p++;
472 len =
strchr(
"@Xxu", type) ? 0
479 len =
STRTOUL(p, (
char**)&p, 10);
491 if (enc_info == 1) enc_info = 2;
493 case 'm':
case 'M':
case 'u':
502 case 'A':
case 'a':
case 'Z':
526 if (p[-1] ==
'*' && type ==
'Z')
540 #define castchar(from) (char)((from) & 0xff)
548 j = (len - plen + 1)/2;
551 for (i=0; i++ < len; ptr++) {
564 byte >>= 7 - (len & 7);
579 j = (len - plen + 1)/2;
582 for (i=0; i++ < len; ptr++) {
594 byte <<= 7 - (len & 7);
609 j = (len + 1) / 2 - (plen + 1) / 2;
612 for (i=0; i++ < len; ptr++) {
614 byte |= (((*ptr & 15) + 9) & 15) << 4;
616 byte |= (*ptr & 15) << 4;
640 j = (len + 1) / 2 - (plen + 1) / 2;
643 for (i=0; i++ < len; ptr++) {
645 byte |= ((*ptr & 15) + 9) & 15;
673 c = (char)num2i32(from);
689 integer_size = (int)
sizeof(
int);
694 integer_size = (int)
sizeof(
int);
739 if (explicit_endian) {
740 bigendian_p = explicit_endian ==
'>';
743 switch (integer_size) {
744 #if defined(HAVE_INT16_T) && !defined(FORCE_BIG_PACK)
749 char a[
sizeof(int16_t)];
753 v.i = (int16_t)num2i32(from);
760 #if defined(HAVE_INT32_T) && !defined(FORCE_BIG_PACK)
765 char a[
sizeof(int32_t)];
769 v.i = (int32_t)num2i32(from);
776 #if defined(HAVE_INT64_T) && SIZEOF_LONG == SIZEOF_INT64_T && !defined(FORCE_BIG_PACK)
781 char a[
sizeof(int64_t)];
794 rb_bug(
"unexpected intger size for pack: %d", integer_size);
800 int num_longs = (integer_size+SIZEOF_LONG-1)/SIZEOF_LONG;
806 for (i = 0; i < num_longs/2; i++) {
807 unsigned long t =
v.i[
i];
808 v.i[
i] =
v.i[num_longs-1-
i];
809 v.i[num_longs-1-
i] = t;
813 for (i = 0; i < num_longs; i++)
814 v.i[i] = swapl(
v.i[i]);
818 v.a +
sizeof(
long)*num_longs - integer_size :
915 if (len > 0)
goto grow;
917 if (len > 0)
goto shrink;
948 if (len == 0 && type ==
'm') {
949 encodes(res, ptr, plen, type, 0);
955 else if (len > 63 && type ==
'u')
966 encodes(res, ptr, todo, type, 1);
1013 char c, *bufs, *bufe;
1044 while (bufs < bufe) {
1059 rb_warning(
"unknown pack directive '%c' in '%s'",
1084 "`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_";
1086 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
1091 enum {buff_size = 4096, encoded_unit = 4};
1092 char buff[buff_size + 1];
1094 const char *trans = type ==
'u' ? uu_table :
b64_table;
1098 buff[i++] = (char)len +
' ';
1105 while (len >= 3 && buff_size-i >= encoded_unit) {
1106 buff[i++] = trans[077 & (*s >> 2)];
1107 buff[i++] = trans[077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017))];
1108 buff[i++] = trans[077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03))];
1109 buff[i++] = trans[077 & s[2]];
1113 if (buff_size-i < encoded_unit) {
1120 buff[i++] = trans[077 & (*s >> 2)];
1121 buff[i++] = trans[077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017))];
1122 buff[i++] = trans[077 & (((s[1] << 2) & 074) | ((
'\0' >> 6) & 03))];
1123 buff[i++] = padding;
1125 else if (len == 1) {
1126 buff[i++] = trans[077 & (*s >> 2)];
1127 buff[i++] = trans[077 & (((*s << 4) & 060) | (('\0' >> 4) & 017))];
1128 buff[i++] = padding;
1129 buff[i++] = padding;
1131 if (tail_lf) buff[i++] =
'\n';
1133 if ((
size_t)i >
sizeof(buff))
rb_bug(
"encodes() buffer overrun");
1142 long i = 0, n = 0, prev =
EOF;
1143 unsigned char *s = (
unsigned char*)
RSTRING_PTR(from);
1148 (*s < 32 && *s !=
'\n' && *s !=
'\t') ||
1151 buff[i++] = hex_table[*s >> 4];
1152 buff[i++] = hex_table[*s & 0x0f];
1156 else if (*s ==
'\n') {
1157 if (prev ==
' ' || prev ==
'\t') {
1195 case '0':
case '1':
case '2':
case '3':
case '4':
1196 case '5':
case '6':
case '7':
case '8':
case '9':
1198 case 'a':
case 'b':
case 'c':
1199 case 'd':
case 'e':
case 'f':
1200 return c -
'a' + 10;
1201 case 'A':
case 'B':
case 'C':
1202 case 'D':
case 'E':
case 'F':
1203 return c -
'A' + 10;
1209 #define PACK_LENGTH_ADJUST_SIZE(sz) do { \
1211 if (len > (long)((send-s)/(sz))) { \
1213 tmp_len = len-(send-s)/(sz); \
1215 len = (send-s)/(sz); \
1219 #define PACK_ITEM_ADJUST() do { \
1220 if (tmp_len > 0 && !block_p) \
1221 rb_ary_store(ary, RARRAY_LEN(ary)+tmp_len-1, Qnil); \
1344 static const char hexdigits[] =
"0123456789abcdef";
1355 int signed_p, integer_size, bigendian_p;
1356 #define UNPACK_PUSH(item) do {\
1357 VALUE item_val = (item);\
1359 rb_yield(item_val);\
1362 rb_ary_push(ary, item_val);\
1375 int explicit_endian = 0;
1383 while ((p < pend) && (*p !=
'\n')) {
1391 static const char natstr[] =
"sSiIlL";
1392 static const char endstr[] =
"sSiIlLqQ";
1399 if (
strchr(natstr, type)) {
1412 if (!
strchr(endstr, type)) {
1415 if (explicit_endian) {
1418 explicit_endian = *p++;
1425 else if (*p ==
'*') {
1432 len =
STRTOUL(p, (
char**)&p, 10);
1438 len = (type !=
'@');
1447 if (len > send - s) len = send - s;
1450 char *t = s + len - 1;
1453 if (*t !=
' ' && *t !=
'\0')
break;
1465 if (len > send-s) len = send-s;
1466 while (t < s+len && *t) t++;
1469 s = star ? t : s+len;
1474 if (len > send - s) len = send - s;
1486 if (p[-1] ==
'*' || len > (send - s) * 8)
1487 len = (send - s) * 8;
1491 for (i=0; i<len; i++) {
1492 if (i & 7) bits >>= 1;
1494 *t++ = (bits & 1) ?
'1' :
'0';
1506 if (p[-1] ==
'*' || len > (send - s) * 8)
1507 len = (send - s) * 8;
1511 for (i=0; i<len; i++) {
1512 if (i & 7) bits <<= 1;
1514 *t++ = (bits & 128) ?
'1' :
'0';
1526 if (p[-1] ==
'*' || len > (send - s) * 2)
1527 len = (send - s) * 2;
1531 for (i=0; i<len; i++) {
1536 *t++ = hexdigits[bits & 15];
1548 if (p[-1] ==
'*' || len > (send - s) * 2)
1549 len = (send - s) * 2;
1553 for (i=0; i<len; i++) {
1558 *t++ = hexdigits[(bits >> 4) & 15];
1567 if (c > (
char)127) c-=256;
1576 unsigned char c = *s++;
1586 goto unpack_integer;
1592 goto unpack_integer;
1596 integer_size = (int)
sizeof(
int);
1598 goto unpack_integer;
1602 integer_size = (int)
sizeof(
int);
1604 goto unpack_integer;
1610 goto unpack_integer;
1616 goto unpack_integer;
1622 goto unpack_integer;
1628 goto unpack_integer;
1634 goto unpack_integer;
1640 goto unpack_integer;
1646 goto unpack_integer;
1652 goto unpack_integer;
1655 if (explicit_endian) {
1656 bigendian_p = explicit_endian ==
'>';
1659 switch (integer_size) {
1660 #if defined(HAVE_INT16_T) && !defined(FORCE_BIG_PACK)
1661 case SIZEOF_INT16_T:
1667 char a[
sizeof(int16_t)];
1669 memcpy(
v.a, s,
sizeof(int16_t));
1671 s +=
sizeof(int16_t);
1681 char a[
sizeof(uint16_t)];
1683 memcpy(
v.a, s,
sizeof(uint16_t));
1685 s +=
sizeof(uint16_t);
1693 #if defined(HAVE_INT32_T) && !defined(FORCE_BIG_PACK)
1694 case SIZEOF_INT32_T:
1700 char a[
sizeof(int32_t)];
1702 memcpy(
v.a, s,
sizeof(int32_t));
1704 s +=
sizeof(int32_t);
1726 #if defined(HAVE_INT64_T) && !defined(FORCE_BIG_PACK)
1727 case SIZEOF_INT64_T:
1733 char a[
sizeof(int64_t)];
1735 memcpy(
v.a, s,
sizeof(int64_t));
1737 s +=
sizeof(int64_t);
1761 rb_bug(
"unexpected integer size for pack: %d", integer_size);
1768 int num_longs = (integer_size+SIZEOF_LONG)/SIZEOF_LONG;
1771 if (signed_p && (
signed char)s[bigendian_p ? 0 : (integer_size-1)] < 0)
1772 memset(
v.a, 0xff,
sizeof(
long)*num_longs);
1774 memset(
v.a, 0,
sizeof(
long)*num_longs);
1776 memcpy(
v.a +
sizeof(
long)*num_longs - integer_size, s, integer_size);
1778 memcpy(
v.a, s, integer_size);
1780 for (i = 0; i < num_longs/2; i++) {
1781 unsigned long t =
v.i[
i];
1782 v.i[
i] =
v.i[num_longs-1-
i];
1783 v.i[num_longs-1-
i] = t;
1787 for (i = 0; i < num_longs; i++)
1788 v.i[i] = swapl(
v.i[i]);
1803 memcpy(&tmp, s,
sizeof(
float));
1816 memcpy(&tmp, s,
sizeof(
float));
1818 tmp =
VTOHF(tmp,ftmp);
1830 memcpy(&tmp, s,
sizeof(
double));
1831 s +=
sizeof(double);
1832 tmp =
VTOHD(tmp,dtmp);
1843 memcpy(&tmp, s,
sizeof(
double));
1844 s +=
sizeof(double);
1856 memcpy(&tmp, s,
sizeof(
float));
1858 tmp =
NTOHF(tmp,ftmp);
1870 memcpy(&tmp, s,
sizeof(
double));
1871 s +=
sizeof(double);
1872 tmp =
NTOHD(tmp,dtmp);
1879 if (len > send - s) len = send - s;
1880 while (len > 0 && s < send) {
1881 long alen = send - s;
1896 while (s < send && *s >
' ' && *s <
'a') {
1901 len = (*s++ -
' ') & 077;
1909 long mlen = len > 3 ? 3 : len;
1911 if (s < send && *s >=
' ')
1912 a = (*s++ -
' ') & 077;
1915 if (s < send && *s >=
' ')
1916 b = (*s++ -
' ') & 077;
1919 if (s < send && *s >=
' ')
1920 c = (*s++ -
' ') & 077;
1923 if (s < send && *s >=
' ')
1924 d = (*s++ -
' ') & 077;
1927 hunk[0] = (char)(a << 2 | b >> 4);
1928 hunk[1] = (char)(b << 4 | c >> 2);
1929 hunk[2] = (char)(c << 6 | d);
1930 memcpy(ptr, hunk, mlen);
1934 if (*s ==
'\r') s++;
1935 if (*s ==
'\n') s++;
1936 else if (s < send && (s+1 == send || s[1] ==
'\n'))
1949 int a = -1,b = -1,c = 0,d = 0;
1950 static signed char b64_xtable[256];
1952 if (b64_xtable[
'/'] <= 0) {
1955 for (i = 0; i < 256; i++) {
1958 for (i = 0; i < 64; i++) {
1959 b64_xtable[(
unsigned char)b64_table[i]] = (
char)
i;
1965 a = b64_xtable[(
unsigned char)*s++];
1967 b = b64_xtable[(
unsigned char)*s++];
1970 if (s + 2 == send && *(s + 1) ==
'=')
break;
1973 c = b64_xtable[(
unsigned char)*s++];
1975 if (s + 1 == send && *s ==
'=')
break;
1976 d = b64_xtable[(
unsigned char)*s++];
1978 *ptr++ =
castchar(a << 2 | b >> 4);
1979 *ptr++ =
castchar(b << 4 | c >> 2);
1983 *ptr++ =
castchar(a << 2 | b >> 4);
1987 *ptr++ =
castchar(a << 2 | b >> 4);
1988 *ptr++ =
castchar(b << 4 | c >> 2);
1995 while ((a = b64_xtable[(
unsigned char)*s]) == -1 && s < send) {s++;}
1996 if (s >= send)
break;
1998 while ((b = b64_xtable[(
unsigned char)*s]) == -1 && s < send) {s++;}
1999 if (s >= send)
break;
2001 while ((c = b64_xtable[(
unsigned char)*s]) == -1 && s < send) {
if (*s ==
'=')
break; s++;}
2002 if (*s ==
'=' || s >= send)
break;
2004 while ((d = b64_xtable[(
unsigned char)*s]) == -1 && s < send) {
if (*s ==
'=')
break; s++;}
2005 if (*s ==
'=' || s >= send)
break;
2007 *ptr++ =
castchar(a << 2 | b >> 4);
2008 *ptr++ =
castchar(b << 4 | c >> 2);
2011 if (a != -1 && b != -1) {
2012 if (c == -1 && *s ==
'=')
2013 *ptr++ =
castchar(a << 2 | b >> 4);
2014 else if (c != -1 && *s ==
'=') {
2015 *ptr++ =
castchar(a << 2 | b >> 4);
2016 *ptr++ =
castchar(b << 4 | c >> 2);
2033 if (++s == send)
break;
2034 if (s+1 < send && *s ==
'\r' && *(s+1) ==
'\n')
2037 if ((c1 =
hex2num(*s)) == -1)
break;
2038 if (++s == send)
break;
2039 if ((c2 =
hex2num(*s)) == -1)
break;
2075 if (
sizeof(
char *) <= (
size_t)(send - s)) {
2079 memcpy(&t, s,
sizeof(
char *));
2080 s +=
sizeof(
char *);
2112 if (len > (
long)((send - s) /
sizeof(
char *)))
2113 len = (send - s) /
sizeof(
char *);
2115 if ((
size_t)(send - s) <
sizeof(
char *))
2121 memcpy(&t, s,
sizeof(
char *));
2122 s +=
sizeof(
char *);
2150 unsigned long ul = 0;
2151 unsigned long ulmask = 0xfeUL << ((
sizeof(
unsigned long) - 1) * 8);
2153 while (len > 0 && s < send) {
2156 if (!(*s++ & 0x80)) {
2161 else if (ul & ulmask) {
2167 if (!(*s++ & 0x80)) {
2180 rb_warning(
"unknown unpack directive '%c' in '%s'",
2199 buf[0] =
castchar(((uv>>6)&0xff)|0xc0);
2204 buf[0] =
castchar(((uv>>12)&0xff)|0xe0);
2205 buf[1] =
castchar(((uv>>6)&0x3f)|0x80);
2209 if (uv <= 0x1fffff) {
2210 buf[0] =
castchar(((uv>>18)&0xff)|0xf0);
2211 buf[1] =
castchar(((uv>>12)&0x3f)|0x80);
2212 buf[2] =
castchar(((uv>>6)&0x3f)|0x80);
2216 if (uv <= 0x3ffffff) {
2217 buf[0] =
castchar(((uv>>24)&0xff)|0xf8);
2218 buf[1] =
castchar(((uv>>18)&0x3f)|0x80);
2219 buf[2] =
castchar(((uv>>12)&0x3f)|0x80);
2220 buf[3] =
castchar(((uv>>6)&0x3f)|0x80);
2224 if (uv <= 0x7fffffff) {
2225 buf[0] =
castchar(((uv>>30)&0xff)|0xfc);
2226 buf[1] =
castchar(((uv>>24)&0x3f)|0x80);
2227 buf[2] =
castchar(((uv>>18)&0x3f)|0x80);
2228 buf[3] =
castchar(((uv>>12)&0x3f)|0x80);
2229 buf[4] =
castchar(((uv>>6)&0x3f)|0x80);
2248 static unsigned long
2251 int c = *p++ & 0xff;
2252 unsigned long uv = c;
2264 if (!(uv & 0x20)) { n = 2; uv &= 0x1f; }
2265 else if (!(uv & 0x10)) { n = 3; uv &= 0x0f; }
2266 else if (!(uv & 0x08)) { n = 4; uv &= 0x07; }
2267 else if (!(uv & 0x04)) { n = 5; uv &= 0x03; }
2268 else if (!(uv & 0x02)) { n = 6; uv &= 0x01; }
2281 if ((c & 0xc0) != 0x80) {
2292 if (uv < utf8_limits[n]) {
RUBY_EXTERN VALUE rb_cString
#define MAX_INTEGER_PACK_SIZE
void rb_bug(const char *fmt,...)
VALUE rb_uint2big(VALUE n)
#define ENCODING_CODERANGE_SET(obj, encindex, cr)
#define NATINT_LEN(type, len)
void rb_big_pack(VALUE val, unsigned long *buf, long num_longs)
#define PACK_ITEM_ADJUST()
VALUE rb_big_plus(VALUE x, VALUE y)
VALUE rb_ary_push(VALUE ary, VALUE item)
int rb_usascii_encindex(void)
void rb_str_set_len(VALUE, long)
static void str_associate(VALUE str, VALUE add)
void rb_raise(VALUE exc, const char *fmt,...)
static const char uu_table[]
static const char toofew[]
#define DOUBLE_CONVWITH(y)
VALUE rb_big_unpack(unsigned long *buf, long num_longs)
#define ENC_CODERANGE_7BIT
const char * rb_obj_classname(VALUE)
VALUE rb_str_buf_cat(VALUE, const char *, long)
static VALUE pack_unpack(VALUE str, VALUE fmt)
#define RB_TYPE_P(obj, type)
VALUE rb_big2ulong_pack(VALUE x)
VALUE rb_big_divmod(VALUE x, VALUE y)
unsigned long long uint64_t
static void encodes(VALUE, const char *, long, int, int)
int rb_block_given_p(void)
VALUE rb_obj_taint(VALUE)
VALUE rb_obj_as_string(VALUE)
static VALUE infected_str_new(const char *ptr, long len, VALUE str)
int rb_ascii8bit_encindex(void)
#define STRTOUL(str, endptr, base)
#define define_swapx(x, xtype)
static void qpencode(VALUE, VALUE, long)
void rb_enc_set_index(VALUE obj, int idx)
static VALUE str_associated(VALUE str)
#define ENC_CODERANGE_VALID
static const char hex_table[]
VALUE rb_ivar_set(VALUE, ID, VALUE)
unsigned char buf[MIME_BUF_SIZE]
static int hex2num(char c)
VALUE rb_big_mul(VALUE x, VALUE y)
char * strchr(char *, char)
int rb_utf8_encindex(void)
#define FLOAT_CONVWITH(y)
static VALUE pack_pack(VALUE ary, VALUE fmt)
static unsigned long utf8_to_uv(const char *, long *)
static const unsigned long utf8_limits[]
VALUE rb_ary_concat(VALUE x, VALUE y)
int rb_uv_to_utf8(char buf[6], unsigned long uv)
#define PACK_LENGTH_ADJUST_SIZE(sz)
#define StringValuePtr(v)
static const char b64_table[]
void rb_warning(const char *fmt,...)
#define rb_intern_const(str)
VALUE rb_tainted_str_new(const char *, long)
VALUE rb_str_buf_new(long)
VALUE rb_usascii_str_new(const char *, long)
void rb_define_method(VALUE klass, const char *name, VALUE(*func)(ANYARGS), int argc)
#define UNPACK_PUSH(item)
VALUE rb_attr_get(VALUE, ID)
VALUE rb_str_new(const char *, long)