Ruby  2.1.10p492(2016-04-01revision54464)
Macros | Functions | Variables
pack.c File Reference
#include "ruby/ruby.h"
#include "ruby/encoding.h"
#include "internal.h"
#include <sys/types.h>
#include <ctype.h>
#include <errno.h>

Go to the source code of this file.

Macros

#define NATINT_LEN_Q   8
 
#define NATINT_PACK
 
#define BIGENDIAN_P()   0
 
#define NATINT_LEN(type, len)   (natint?(int)sizeof(type):(int)(len))
 
#define define_swapx(x, xtype)
 
#define rb_ntohf(x)   (BIGENDIAN_P()?(x):swapf(x))
 
#define rb_ntohd(x)   (BIGENDIAN_P()?(x):swapd(x))
 
#define rb_htonf(x)   (BIGENDIAN_P()?(x):swapf(x))
 
#define rb_htond(x)   (BIGENDIAN_P()?(x):swapd(x))
 
#define rb_htovf(x)   (BIGENDIAN_P()?swapf(x):(x))
 
#define rb_htovd(x)   (BIGENDIAN_P()?swapd(x):(x))
 
#define rb_vtohf(x)   (BIGENDIAN_P()?swapf(x):(x))
 
#define rb_vtohd(x)   (BIGENDIAN_P()?swapd(x):(x))
 
#define FLOAT_CONVWITH(y)
 
#define HTONF(x, y)   rb_htonf(x)
 
#define HTOVF(x, y)   rb_htovf(x)
 
#define NTOHF(x, y)   rb_ntohf(x)
 
#define VTOHF(x, y)   rb_vtohf(x)
 
#define DOUBLE_CONVWITH(y)
 
#define HTOND(x, y)   rb_htond(x)
 
#define HTOVD(x, y)   rb_htovd(x)
 
#define NTOHD(x, y)   rb_ntohd(x)
 
#define VTOHD(x, y)   rb_vtohd(x)
 
#define MAX_INTEGER_PACK_SIZE   8
 
#define TOO_FEW   (rb_raise(rb_eArgError, toofew), 0)
 
#define THISFROM   (items > 0 ? RARRAY_AREF(ary, idx) : TOO_FEW)
 
#define NEXTFROM   (items-- > 0 ? RARRAY_AREF(ary, idx++) : TOO_FEW)
 
#define castchar(from)   (char)((from) & 0xff)
 
#define PACK_LENGTH_ADJUST_SIZE(sz)
 
#define PACK_ITEM_ADJUST()
 
#define UNPACK_PUSH(item)
 
#define BYTEWIDTH   8
 

Functions

static void encodes (VALUE, const char *, long, int, int)
 
static void qpencode (VALUE, VALUE, long)
 
static unsigned long utf8_to_uv (const char *, long *)
 
static VALUE pack_pack (VALUE ary, VALUE fmt)
 
static int hex2num (char c)
 
static VALUE infected_str_new (const char *ptr, long len, VALUE str)
 
static VALUE pack_unpack (VALUE str, VALUE fmt)
 
int rb_uv_to_utf8 (char buf[6], unsigned long uv)
 
void Init_pack (void)
 

Variables

static const char natstr [] = "sSiIlL"
 
static const char endstr [] = "sSiIlLqQ"
 
static const char toofew [] = "too few arguments"
 
static const char uu_table []
 
static const char b64_table []
 
static const char hex_table [] = "0123456789ABCDEF"
 
static const unsigned long utf8_limits []
 

Macro Definition Documentation

#define BIGENDIAN_P ( )    0

Definition at line 64 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

#define BYTEWIDTH   8

Definition at line 1897 of file pack.c.

#define castchar (   from)    (char)((from) & 0xff)
#define define_swapx (   x,
  xtype 
)
Value:
static xtype \
TOKEN_PASTE(swap,x)(xtype z) \
{ \
xtype r; \
xtype *zp; \
unsigned char *s, *t; \
int i; \
\
zp = xmalloc(sizeof(xtype)); \
*zp = z; \
s = (unsigned char*)zp; \
t = xmalloc(sizeof(xtype)); \
for (i=0; i<sizeof(xtype); i++) { \
t[sizeof(xtype)-i-1] = s[i]; \
} \
r = *(xtype *)t; \
xfree(t); \
xfree(zp); \
}
VP_EXPORT int
Definition: bigdecimal.c:5172
return
Definition: bigdecimal.c:5946
#define xfree
r
Definition: bigdecimal.c:1212
i
Definition: enum.c:446
#define xmalloc
register char * s
Definition: os2.c:56
for(i=0;i< RARRAY_LEN(args);i++)
Definition: enum.c:1997
int t
Definition: ripper.c:14879

Definition at line 81 of file pack.c.

#define DOUBLE_CONVWITH (   y)

Definition at line 221 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

#define FLOAT_CONVWITH (   y)

Definition at line 195 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

#define HTOND (   x,
 
)    rb_htond(x)

Definition at line 222 of file pack.c.

Referenced by pack_pack().

#define HTONF (   x,
 
)    rb_htonf(x)

Definition at line 196 of file pack.c.

Referenced by pack_pack().

#define HTOVD (   x,
 
)    rb_htovd(x)

Definition at line 223 of file pack.c.

Referenced by pack_pack().

#define HTOVF (   x,
 
)    rb_htovf(x)

Definition at line 197 of file pack.c.

Referenced by pack_pack().

#define MAX_INTEGER_PACK_SIZE   8

Definition at line 228 of file pack.c.

Referenced by pack_pack().

#define NATINT_LEN (   type,
  len 
)    (natint?(int)sizeof(type):(int)(len))

Definition at line 68 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

#define NATINT_LEN_Q   8

Definition at line 38 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

#define NATINT_PACK

Definition at line 42 of file pack.c.

#define NEXTFROM   (items-- > 0 ? RARRAY_AREF(ary, idx++) : TOO_FEW)

Referenced by pack_pack().

#define NTOHD (   x,
 
)    rb_ntohd(x)

Definition at line 224 of file pack.c.

Referenced by pack_unpack().

#define NTOHF (   x,
 
)    rb_ntohf(x)

Definition at line 198 of file pack.c.

Referenced by pack_unpack().

#define PACK_ITEM_ADJUST ( )
Value:
do { \
if (tmp_len > 0 && !block_p) \
} while (0)
if(args--[1]==0)
Definition: array.c:3187
VALUE ary
Definition: enum.c:674
#define RARRAY_LEN(a)
#define Qnil
Definition: enum.c:67
void rb_ary_store(VALUE ary, long idx, VALUE val)
Definition: array.c:794

Definition at line 1069 of file pack.c.

Referenced by pack_unpack().

#define PACK_LENGTH_ADJUST_SIZE (   sz)
Value:
do { \
tmp_len = 0; \
if (len > (long)((send-s)/(sz))) { \
if (!star) { \
tmp_len = len-(send-s)/(sz); \
} \
len = (send-s)/(sz); \
} \
} while (0)
if(args--[1]==0)
Definition: array.c:3187
int len
Definition: enumerator.c:1332
register char * s
Definition: os2.c:56

Definition at line 1059 of file pack.c.

Referenced by pack_unpack().

#define rb_htond (   x)    (BIGENDIAN_P()?(x):swapd(x))

Definition at line 170 of file pack.c.

#define rb_htonf (   x)    (BIGENDIAN_P()?(x):swapf(x))

Definition at line 169 of file pack.c.

#define rb_htovd (   x)    (BIGENDIAN_P()?swapd(x):(x))

Definition at line 172 of file pack.c.

#define rb_htovf (   x)    (BIGENDIAN_P()?swapf(x):(x))

Definition at line 171 of file pack.c.

#define rb_ntohd (   x)    (BIGENDIAN_P()?(x):swapd(x))

Definition at line 168 of file pack.c.

#define rb_ntohf (   x)    (BIGENDIAN_P()?(x):swapf(x))

Definition at line 167 of file pack.c.

#define rb_vtohd (   x)    (BIGENDIAN_P()?swapd(x):(x))

Definition at line 174 of file pack.c.

#define rb_vtohf (   x)    (BIGENDIAN_P()?swapf(x):(x))

Definition at line 173 of file pack.c.

#define THISFROM   (items > 0 ? RARRAY_AREF(ary, idx) : TOO_FEW)

Referenced by pack_pack().

#define TOO_FEW   (rb_raise(rb_eArgError, toofew), 0)
#define UNPACK_PUSH (   item)
Value:
do {\
VALUE item_val = (item);\
if (block_p) {\
rb_yield(item_val);\
}\
rb_ary_push(ary, item_val);\
}\
} while (0)
rb_yield(i)
VALUE rb_ary_push(VALUE ary, VALUE item)
Definition: array.c:900
if(args--[1]==0)
Definition: array.c:3187
VALUE ary
Definition: enum.c:674
else
Definition: enum.c:452
unsigned long VALUE
Definition: ripper.y:88

Referenced by pack_unpack().

#define VTOHD (   x,
 
)    rb_vtohd(x)

Definition at line 225 of file pack.c.

Referenced by pack_unpack().

#define VTOHF (   x,
 
)    rb_vtohf(x)

Definition at line 199 of file pack.c.

Referenced by pack_unpack().

Function Documentation

static void encodes ( VALUE  str,
const char *  s,
long  len,
int  type,
int  tail_lf 
)
static

Definition at line 947 of file pack.c.

References b64_table, i, rb_bug(), and rb_str_buf_cat().

Referenced by pack_pack().

static int hex2num ( char  c)
inlinestatic

Definition at line 1050 of file pack.c.

References n, and ruby_digit36_to_number_table.

Referenced by pack_unpack().

static VALUE infected_str_new ( const char *  ptr,
long  len,
VALUE  str 
)
static

Definition at line 1075 of file pack.c.

References OBJ_INFECT, rb_str_new(), and s.

Referenced by pack_unpack().

void Init_pack ( void  )

Definition at line 2007 of file pack.c.

References pack_pack(), pack_unpack(), rb_cArray, rb_cString, and rb_define_method().

static VALUE pack_pack ( VALUE  ary,
VALUE  fmt 
)
static
static VALUE pack_unpack ( VALUE  str,
VALUE  fmt 
)
static
static void qpencode ( VALUE  str,
VALUE  from,
long  len 
)
static

Definition at line 997 of file pack.c.

References EOF, i, n, rb_str_buf_cat(), RSTRING_LEN, RSTRING_PTR, and s.

Referenced by pack_pack().

int rb_uv_to_utf8 ( char  buf[6],
unsigned long  uv 
)

Definition at line 1900 of file pack.c.

References castchar, rb_eRangeError, rb_raise(), and UNREACHABLE.

Referenced by append_utf8(), and pack_pack().

static unsigned long utf8_to_uv ( const char *  p,
long *  lenp 
)
static

Definition at line 1957 of file pack.c.

References c, n, rb_eArgError, and rb_raise().

Referenced by pack_unpack().

Variable Documentation

const char b64_table[]
static
Initial value:
=
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"

Definition at line 943 of file pack.c.

Referenced by encodes().

const char endstr[] = "sSiIlLqQ"
static

Definition at line 32 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

const char hex_table[] = "0123456789ABCDEF"
static

Definition at line 994 of file pack.c.

const char natstr[] = "sSiIlL"
static

Definition at line 30 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

const char toofew[] = "too few arguments"
static

Definition at line 230 of file pack.c.

const unsigned long utf8_limits[]
static
Initial value:
= {
0x0,
0x80,
0x800,
0x10000,
0x200000,
0x4000000,
0x80000000,
}

Definition at line 1946 of file pack.c.

const char uu_table[]
static
Initial value:
=
"`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"

Definition at line 941 of file pack.c.