Ruby  2.0.0p648(2015-12-16revision53162)
Macros | Functions | Variables
pack.c File Reference
#include "ruby/ruby.h"
#include "ruby/encoding.h"
#include <sys/types.h>
#include <ctype.h>
#include <errno.h>

Go to the source code of this file.

Macros

#define GCC_VERSION_SINCE(major, minor, patchlevel)
 
#define NATINT_PACK
 
#define BIGENDIAN_P()   0
 
#define NATINT_LEN(type, len)   (natint?(int)sizeof(type):(int)(len))
 
#define define_swapx(x, xtype)
 
#define swap16(x)   ((uint16_t)((((x)&0xFF)<<8) | (((x)>>8)&0xFF)))
 
#define swap32(x)
 
#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_PTR(ary)[idx] : TOO_FEW)
 
#define NEXTFROM   (items-- > 0 ? RARRAY_PTR(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

 define_swapx (s, short)
 
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 void str_associate (VALUE str, VALUE add)
 
static VALUE str_associated (VALUE str)
 
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 toofew [] = "too few arguments"
 
static ID id_associated
 
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

◆ BIGENDIAN_P

#define BIGENDIAN_P ( )    0

Definition at line 46 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

◆ BYTEWIDTH

#define BYTEWIDTH   8

Definition at line 2187 of file pack.c.

◆ castchar

#define castchar (   from)    (char)((from) & 0xff)

◆ define_swapx

#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); \
return r; \
}
int i
Definition: win32ole.c:784
#define xmalloc
Definition: defines.h:64

Definition at line 63 of file pack.c.

◆ DOUBLE_CONVWITH

#define DOUBLE_CONVWITH (   y)

Referenced by pack_pack(), and pack_unpack().

◆ FLOAT_CONVWITH

#define FLOAT_CONVWITH (   y)

Referenced by pack_pack(), and pack_unpack().

◆ GCC_VERSION_SINCE

#define GCC_VERSION_SINCE (   major,
  minor,
  patchlevel 
)
Value:
(defined(__GNUC__) && !defined(__INTEL_COMPILER) && \
((__GNUC__ > (major)) || \
(__GNUC__ == (major) && __GNUC_MINOR__ > (minor)) || \
(__GNUC__ == (major) && __GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ >= (patchlevel))))
int minor
Definition: tcltklib.c:110
int patchlevel
Definition: tcltklib.c:112
int major
Definition: tcltklib.c:109

Definition at line 18 of file pack.c.

◆ HTOND

#define HTOND (   x,
 
)    rb_htond(x)

Referenced by pack_pack().

◆ HTONF

#define HTONF (   x,
 
)    rb_htonf(x)

Referenced by pack_pack().

◆ HTOVD

#define HTOVD (   x,
 
)    rb_htovd(x)

Referenced by pack_pack().

◆ HTOVF

#define HTOVF (   x,
 
)    rb_htovf(x)

Referenced by pack_pack().

◆ MAX_INTEGER_PACK_SIZE

#define MAX_INTEGER_PACK_SIZE   8

Definition at line 254 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

◆ NATINT_LEN

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

Definition at line 50 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

◆ NATINT_PACK

#define NATINT_PACK

Definition at line 24 of file pack.c.

◆ NEXTFROM

#define NEXTFROM   (items-- > 0 ? RARRAY_PTR(ary)[idx++] : TOO_FEW)

Referenced by pack_pack().

◆ NTOHD

#define NTOHD (   x,
 
)    rb_ntohd(x)

Referenced by pack_unpack().

◆ NTOHF

#define NTOHF (   x,
 
)    rb_ntohf(x)

Referenced by pack_unpack().

◆ PACK_ITEM_ADJUST

#define PACK_ITEM_ADJUST ( )
Value:
do { \
if (tmp_len > 0 && !block_p) \
rb_ary_store(ary, RARRAY_LEN(ary)+tmp_len-1, Qnil); \
} while (0)
#define RARRAY_LEN(a)
Definition: ruby.h:899
#define Qnil
Definition: ruby.h:435

Definition at line 1217 of file pack.c.

Referenced by pack_unpack().

◆ PACK_LENGTH_ADJUST_SIZE

#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)

Definition at line 1207 of file pack.c.

Referenced by pack_unpack().

◆ rb_htond

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

◆ rb_htonf

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

◆ rb_htovd

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

◆ rb_htovf

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

◆ rb_ntohd

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

◆ rb_ntohf

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

◆ rb_vtohd

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

◆ rb_vtohf

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

◆ swap16

#define swap16 (   x)    ((uint16_t)((((x)&0xFF)<<8) | (((x)>>8)&0xFF)))

Definition at line 91 of file pack.c.

Referenced by pack_pack(), and pack_unpack().

◆ swap32

#define swap32 (   x)
Value:
((uint32_t)((((x)&0xFF)<<24) \
|(((x)>>24)&0xFF) \
|(((x)&0x0000FF00)<<8) \
|(((x)&0x00FF0000)>>8) ))
unsigned int uint32_t
Definition: sha2.h:101

Definition at line 95 of file pack.c.

Referenced by define_swapx(), pack_pack(), and pack_unpack().

◆ THISFROM

#define THISFROM   (items > 0 ? RARRAY_PTR(ary)[idx] : TOO_FEW)

Referenced by pack_pack().

◆ TOO_FEW

#define TOO_FEW   (rb_raise(rb_eArgError, toofew), 0)

◆ UNPACK_PUSH

#define UNPACK_PUSH (   item)
Value:
do {\
VALUE item_val = (item);\
if (block_p) {\
rb_yield(item_val);\
}\
else {\
rb_ary_push(ary, item_val);\
}\
} while (0)

Referenced by pack_unpack().

◆ VTOHD

#define VTOHD (   x,
 
)    rb_vtohd(x)

Referenced by pack_unpack().

◆ VTOHF

#define VTOHF (   x,
 
)    rb_vtohf(x)

Referenced by pack_unpack().

Function Documentation

◆ define_swapx()

define_swapx ( ,
short   
)

Definition at line 120 of file pack.c.

References swap32.

◆ encodes()

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

Definition at line 1089 of file pack.c.

References b64_table, i, rb_str_buf_cat(), type, and uu_table.

Referenced by pack_pack().

◆ hex2num()

static int hex2num ( char  c)
inlinestatic

Definition at line 1190 of file pack.c.

Referenced by pack_unpack().

◆ infected_str_new()

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

Definition at line 1223 of file pack.c.

References OBJ_INFECT, and rb_str_new().

Referenced by pack_unpack().

◆ Init_pack()

void Init_pack ( void  )

◆ pack_pack()

static VALUE pack_pack ( VALUE  ary,
VALUE  fmt 
)
static

◆ pack_unpack()

static VALUE pack_unpack ( VALUE  str,
VALUE  fmt 
)
static

◆ qpencode()

static void qpencode ( VALUE  str,
VALUE  from,
long  len 
)
static

Definition at line 1137 of file pack.c.

References EOF, hex_table, i, rb_str_buf_cat(), RSTRING_LEN, and RSTRING_PTR.

Referenced by pack_pack().

◆ rb_uv_to_utf8()

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

Definition at line 2190 of file pack.c.

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

Referenced by append_utf8(), and pack_pack().

◆ str_associate()

static void str_associate ( VALUE  str,
VALUE  add 
)
static

Definition at line 267 of file pack.c.

References add, id_associated, rb_ary_concat(), rb_attr_get(), rb_ivar_set(), RB_TYPE_P, and T_ARRAY.

Referenced by pack_pack(), and pack_unpack().

◆ str_associated()

static VALUE str_associated ( VALUE  str)
static

Definition at line 282 of file pack.c.

References id_associated, NIL_P, Qfalse, and rb_attr_get().

Referenced by pack_unpack().

◆ utf8_to_uv()

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

Definition at line 2247 of file pack.c.

References p, rb_eArgError, rb_raise(), and utf8_limits.

Referenced by pack_unpack().

Variable Documentation

◆ b64_table

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

Definition at line 1085 of file pack.c.

Referenced by encodes(), and pack_unpack().

◆ hex_table

const char hex_table[] = "0123456789ABCDEF"
static

Definition at line 1134 of file pack.c.

Referenced by qpencode().

◆ id_associated

ID id_associated
static

Definition at line 264 of file pack.c.

Referenced by Init_pack(), str_associate(), and str_associated().

◆ toofew

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

Definition at line 257 of file pack.c.

◆ utf8_limits

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

Definition at line 2236 of file pack.c.

Referenced by utf8_to_uv().

◆ uu_table

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

Definition at line 1083 of file pack.c.

Referenced by encodes().