Ruby  2.0.0p481(2014-05-08revision45883)
Data Structures | Defines | Functions
sprintf.c File Reference
#include "ruby/ruby.h"
#include "ruby/re.h"
#include "ruby/encoding.h"
#include <math.h>
#include <stdarg.h>
#include "vsnprintf.c"
Include dependency graph for sprintf.c:

Go to the source code of this file.

Data Structures

struct  rb_printf_buffer_extra

Defines

#define BIT_DIGITS(N)   (((N)*146)/485 + 1) /* log2(10) =~ 146/485 */
#define BITSPERDIG   (SIZEOF_BDIGITS*CHAR_BIT)
#define EXTENDSIGN(n, l)   (((~0 << (n)) >> (((n)*(l)) % BITSPERDIG)) & ~(~0 << (n)))
#define FNONE   0
#define FSHARP   1
#define FMINUS   2
#define FPLUS   4
#define FZERO   8
#define FSPACE   16
#define FWIDTH   32
#define FPREC   64
#define FPREC0   128
#define CHECK(l)
#define PUSH(s, l)
#define FILL(c, l)
#define GETARG()
#define GETPOSARG(n)
#define GETNTHARG(nth)   (((nth) >= argc) ? (rb_raise(rb_eArgError, "too few arguments"), 0) : argv[(nth)])
#define GETNAMEARG(id, name, len, enc)
#define GETNUM(n, val)
#define GETASTER(val)
#define CHECK_FOR_WIDTH(f)
#define CHECK_FOR_FLAGS(f)
#define FILE   rb_printf_buffer
#define __sbuf   rb_printf_sbuf
#define __sFILE   rb_printf_sfile
#define FLOATING_POINT   1
#define BSD__dtoa   ruby_dtoa
#define BSD__hdtoa   ruby_hdtoa
#define f   buffer.base
#define f   buffer.base

Functions

static void fmt_setup (char *, size_t, int, int, int, int)
static char * remove_sign_bits (char *str, int base)
static char sign_bits (int base, const char *p)
static VALUE get_hash (volatile VALUE *hash, int argc, const VALUE *argv)
VALUE rb_f_sprintf (int argc, const VALUE *argv)
VALUE rb_str_format (int argc, const VALUE *argv, VALUE fmt)
static int ruby__sfvwrite (register rb_printf_buffer *fp, register struct __suio *uio)
static char * ruby__sfvextra (rb_printf_buffer *fp, size_t valsize, void *valp, long *sz, int sign)
VALUE rb_enc_vsprintf (rb_encoding *enc, const char *fmt, va_list ap)
VALUE rb_enc_sprintf (rb_encoding *enc, const char *format,...)
VALUE rb_vsprintf (const char *fmt, va_list ap)
VALUE rb_sprintf (const char *format,...)
VALUE rb_str_vcatf (VALUE str, const char *fmt, va_list ap)
VALUE rb_str_catf (VALUE str, const char *format,...)

Define Documentation

#define __sbuf   rb_printf_sbuf

Definition at line 1126 of file sprintf.c.

#define __sFILE   rb_printf_sfile

Definition at line 1127 of file sprintf.c.

#define BIT_DIGITS (   N)    (((N)*146)/485 + 1) /* log2(10) =~ 146/485 */

Definition at line 24 of file sprintf.c.

Referenced by rb_str_format().

#define BITSPERDIG   (SIZEOF_BDIGITS*CHAR_BIT)

Definition at line 25 of file sprintf.c.

#define BSD__dtoa   ruby_dtoa

Definition at line 1145 of file sprintf.c.

#define BSD__hdtoa   ruby_hdtoa

Definition at line 1146 of file sprintf.c.

#define CHECK (   l)
Value:
do {\
    int cr = ENC_CODERANGE(result);\
    while (blen + (l) >= bsiz) {\
        bsiz*=2;\
    }\
    rb_str_resize(result, bsiz);\
    ENC_CODERANGE_SET(result, cr);\
    buf = RSTRING_PTR(result);\
} while (0)

Definition at line 83 of file sprintf.c.

Referenced by rb_str_format(), and ruby__sfvwrite().

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

Referenced by rb_str_format().

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

Referenced by rb_str_format().

#define EXTENDSIGN (   n,
  l 
)    (((~0 << (n)) >> (((n)*(l)) % BITSPERDIG)) & ~(~0 << (n)))

Definition at line 26 of file sprintf.c.

Referenced by remove_sign_bits().

#define f   buffer.base

Referenced by BigDecimal_divremain(), BigDecimal_mode(), BigDecimal_remainder(), BigDecimal_to_s(), BigDecimalCmp(), f_signbit(), flo_ceil(), flo_floor(), flo_round(), flo_truncate(), float_decode_internal(), float_rationalize(), float_to_r(), get_special_folder(), init_env(), int_round_0(), iseq_s_compile_file(), lgamma_r(), load_file_internal(), onigenc_property_list_init(), ossl_x509stctx_set_flags(), ossl_x509store_set_flags(), pack_pack(), parse_time2_cb(), rand_range(), rb_dlptr_initialize(), rb_dlptr_s_malloc(), rb_enc_vsprintf(), rb_feature_p(), rb_fiddle_ptr_initialize(), rb_fiddle_ptr_s_malloc(), rb_load_file(), rb_str_justify(), rb_str_vcatf(), rb_thread_blocking_region(), round(), ruby_init_loadpath_safe(), ruby_snprintf(), ruby_vsnprintf(), tgamma(), time_timespec(), trans_sweep(), VpInternalRound(), VpSqrt(), and VpVtoD().

#define f   buffer.base
#define FILE   rb_printf_buffer

Definition at line 1125 of file sprintf.c.

#define FILL (   c,
  l 
)
Value:
do { \
    CHECK(l);\
    memset(&buf[blen], (c), (l));\
    blen += (l);\
} while (0)

Definition at line 99 of file sprintf.c.

Referenced by rb_str_format().

#define FLOATING_POINT   1

Definition at line 1144 of file sprintf.c.

#define FMINUS   2

Definition at line 75 of file sprintf.c.

Referenced by fmt_setup(), and rb_str_format().

#define FNONE   0

Definition at line 73 of file sprintf.c.

Referenced by rb_str_format().

#define FPLUS   4

Definition at line 76 of file sprintf.c.

Referenced by fmt_setup(), and rb_str_format().

#define FPREC   64

Definition at line 80 of file sprintf.c.

Referenced by fmt_setup(), and rb_str_format().

#define FPREC0   128

Definition at line 81 of file sprintf.c.

Referenced by rb_str_format().

#define FSHARP   1

Definition at line 74 of file sprintf.c.

Referenced by fmt_setup(), and rb_str_format().

#define FSPACE   16

Definition at line 78 of file sprintf.c.

Referenced by fmt_setup(), and rb_str_format().

#define FWIDTH   32

Definition at line 79 of file sprintf.c.

Referenced by fmt_setup(), and rb_str_format().

#define FZERO   8

Definition at line 77 of file sprintf.c.

Referenced by fmt_setup(), and rb_str_format().

#define GETARG ( )
Value:
(nextvalue != Qundef ? nextvalue : \
    posarg == -1 ? \
    (rb_raise(rb_eArgError, "unnumbered(%d) mixed with numbered", nextarg), 0) : \
    posarg == -2 ? \
    (rb_raise(rb_eArgError, "unnumbered(%d) mixed with named", nextarg), 0) : \
    (posarg = nextarg++, GETNTHARG(posarg)))

Definition at line 105 of file sprintf.c.

Referenced by rb_str_format().

#define GETASTER (   val)
Value:
do { \
    t = p++; \
    n = 0; \
    GETNUM(n, (val)); \
    if (*p == '$') { \
        tmp = GETPOSARG(n); \
    } \
    else { \
        tmp = GETARG(); \
        p = t; \
    } \
    (val) = NUM2INT(tmp); \
} while (0)

Definition at line 141 of file sprintf.c.

Referenced by rb_str_format().

#define GETNAMEARG (   id,
  name,
  len,
  enc 
)
Value:
( \
    posarg > 0 ? \
    (rb_enc_raise((enc), rb_eArgError, "named%.*s after unnumbered(%d)", (len), (name), posarg), 0) : \
    posarg == -1 ? \
    (rb_enc_raise((enc), rb_eArgError, "named%.*s after numbered", (len), (name)), 0) : \
    (posarg = -2, rb_hash_lookup2(get_hash(&hash, argc, argv), (id), Qundef)))

Definition at line 122 of file sprintf.c.

Referenced by rb_str_format().

#define GETNTHARG (   nth)    (((nth) >= argc) ? (rb_raise(rb_eArgError, "too few arguments"), 0) : argv[(nth)])

Definition at line 119 of file sprintf.c.

Referenced by rb_f_sprintf().

#define GETNUM (   n,
  val 
)
Value:
for (; p < end && rb_enc_isdigit(*p, enc); p++) {       \
        int next_n = 10 * (n) + (*p - '0'); \
        if (next_n / 10 != (n)) {\
            rb_raise(rb_eArgError, #val " too big"); \
        } \
        (n) = next_n; \
    } \
    if (p >= end) { \
        rb_raise(rb_eArgError, "malformed format string - %%*[0-9]"); \
    }

Definition at line 129 of file sprintf.c.

Referenced by rb_str_format().

#define GETPOSARG (   n)
Value:
(posarg > 0 ? \
    (rb_raise(rb_eArgError, "numbered(%d) after unnumbered(%d)", (n), posarg), 0) : \
    posarg == -2 ? \
    (rb_raise(rb_eArgError, "numbered(%d) after named", (n)), 0) : \
    (((n) < 1) ? (rb_raise(rb_eArgError, "invalid index - %d$", (n)), 0) : \
               (posarg = -1, GETNTHARG(n))))

Definition at line 112 of file sprintf.c.

Referenced by rb_str_format().

#define PUSH (   s,
  l 
)
Value:
do { \
    CHECK(l);\
    memcpy(&buf[blen], (s), (l));\
    blen += (l);\
} while (0)

Definition at line 93 of file sprintf.c.

Referenced by rb_str_format().

Function Documentation

static void fmt_setup ( char *  buf,
size_t  size,
int  c,
int  flags,
int  width,
int  prec 
) [static]

Definition at line 1100 of file sprintf.c.

References FMINUS, FPLUS, FPREC, FSHARP, FSPACE, FWIDTH, FZERO, size, snprintf, and strlen().

Referenced by rb_str_format().

static VALUE get_hash ( volatile VALUE *  hash,
int  argc,
const VALUE *  argv 
) [static]

Definition at line 156 of file sprintf.c.

References hash(), NIL_P, Qundef, rb_check_hash_type(), rb_eArgError, and rb_raise().

VALUE rb_enc_sprintf ( rb_encoding *  enc,
const char *  format,
  ... 
)

Definition at line 1251 of file sprintf.c.

References rb_enc_vsprintf(), and result.

Referenced by location_format(), mk_inspect(), of2str(), rb_str_upto(), and setup_exception().

VALUE rb_enc_vsprintf ( rb_encoding *  enc,
const char *  fmt,
va_list  ap 
)

Definition at line 1218 of file sprintf.c.

References __SSTR, __SWR, BSD_vfprintf(), f, rb_cString, rb_eArgError, rb_enc_associate(), rb_enc_mbminlen, rb_enc_name, rb_raise(), rb_str_buf_new(), rb_str_resize(), RBASIC, result, RSTRING_PTR, ruby__sfvextra(), ruby__sfvwrite(), and rb_printf_buffer_extra::value.

Referenced by rb_enc_raise(), rb_enc_sprintf(), rb_loaderror(), rb_loaderror_with_path(), and rb_vsprintf().

VALUE rb_f_sprintf ( int  argc,
const VALUE *  argv 
)

Definition at line 433 of file sprintf.c.

References GETNTHARG, and rb_str_format().

Referenced by Init_Object(), iso8601_timediv(), jisx0301_date(), name_err_mesg_to_str(), rb_f_printf(), rb_io_printf(), and syslog_write().

VALUE rb_sprintf ( const char *  format,
  ... 
)

Definition at line 1270 of file sprintf.c.

References rb_vsprintf(), and result.

Referenced by addrinfo_inspect(), argument_error(), cbsubst_get_subst_arg(), cbsubst_sym_to_subst(), cbsubst_table_setup(), econv_inspect(), enc_inspect(), esignal_init(), gc_profile_dump_on(), Init_curses(), Init_dbm(), insn_data_to_s_detail(), insn_operand_intern(), inspect_enumerator(), iow_inspect(), iseq_compile_each(), iseq_inspect(), load_encoding(), make_econv_exception(), make_inspectname(), make_name_for_block(), match_inspect(), mSyslog_inspect(), ole_cp2encoding(), ole_search_handler_method(), ossl_x509_inspect(), parser_set_encode(), path_inspect(), proc_to_s(), pst_inspect(), pty_open(), raise_from_check(), raise_zlib_error(), rb_any_to_s(), rb_arg_error_new(), rb_attr(), rb_dlcfunc_inspect(), rb_dlptr_inspect(), rb_fiddle_ptr_inspect(), rb_obj_inspect(), rb_stat_inspect(), rb_thread_current_status(), rb_thread_inspect(), rb_tmp_class_path(), rescue_callback(), ruby_setenv(), sockopt_inspect(), strscan_inspect(), syserr_initialize(), and tracepoint_inspect().

VALUE rb_str_catf ( VALUE  str,
const char *  format,
  ... 
)

Definition at line 1310 of file sprintf.c.

References rb_str_vcatf().

Referenced by addrinfo_inspect(), compile_snprintf(), econv_description(), flo_to_s(), insn_data_to_s_detail(), inspect_errno(), inspect_int(), inspect_sockaddr(), inspect_timeval_as_interval(), make_econv_exception(), make_inspectname(), match_inspect(), pst_message(), rb_io_inspect(), rb_iseq_disasm(), rb_iseq_disasm_insn(), rb_stat_inspect(), sockopt_inspect(), and warn_print().

VALUE rb_str_format ( int  argc,
const VALUE *  argv,
VALUE  fmt 
)

Definition at line 439 of file sprintf.c.

References argc, argv, BIT_DIGITS, buf, CHECK, CHECK_FOR_FLAGS, CHECK_FOR_WIDTH, ENC_CODERANGE_7BIT, ENC_CODERANGE_BROKEN, ENC_CODERANGE_SET, ENC_CODERANGE_UNKNOWN, fbuf, FILL, FIX2LONG, FIXABLE, FIXNUM_P, FMINUS, fmt_setup(), FNONE, FPLUS, FPREC, FPREC0, FSHARP, FSPACE, FWIDTH, FZERO, GETARG, GETASTER, GETNAMEARG, GETNUM, GETPOSARG, hash(), ID2SYM, isinf(), isnan, LONG2FIX, NIL_P, NUM2INT, OBJ_TAINT, OBJ_TAINTED, PRIdSIZE, PUSH, Qundef, rb_big2str(), rb_big2str0(), rb_big_2comp(), rb_big_clone(), rb_check_id_cstr(), rb_check_string_type(), rb_dbl2big(), rb_eArgError, rb_eKeyError, rb_enc_associate(), rb_enc_check(), rb_enc_codelen(), rb_enc_codepoint_len(), rb_enc_copy(), rb_enc_get(), rb_enc_isprint, rb_enc_mbclen(), rb_enc_mbcput, rb_enc_nth(), rb_enc_raise(), rb_enc_right_char_head, rb_enc_strlen(), rb_enc_toupper(), rb_Float(), RB_GC_GUARD, rb_id2name(), rb_inspect(), rb_int2big(), rb_Integer(), rb_long2int, rb_obj_as_string(), rb_raise(), rb_str_buf_new(), rb_str_coderange_scan_restartable(), rb_str_new4(), rb_str_resize(), rb_str_set_len(), rb_str_to_inum(), rb_warn(), rb_warning(), RBIGNUM_SIGN, remove_sign_bits(), result, RFLOAT_VALUE, RSTRING_END, RSTRING_LEN, RSTRING_PTR, RTEST, ruby_debug, ruby_verbose, sign_bits(), snprintf, StringValue, strlen(), T_BIGNUM, T_FIXNUM, T_FLOAT, T_STRING, term, TRUE, TYPE, and val.

Referenced by date_strftime_with_tmx(), rb_f_sprintf(), rb_str_format_m(), rb_str_upto(), and rb_strftime_with_timespec().

VALUE rb_str_vcatf ( VALUE  str,
const char *  fmt,
va_list  ap 
)

Definition at line 1283 of file sprintf.c.

References __SSTR, __SWR, BSD_vfprintf(), f, rb_str_capacity(), rb_str_modify(), rb_str_resize(), RBASIC, RSTRING_END, RSTRING_PTR, ruby__sfvextra(), ruby__sfvwrite(), StringValue, and rb_printf_buffer_extra::value.

Referenced by compile_snprintf(), rb_str_catf(), and warn_print().

VALUE rb_vsprintf ( const char *  fmt,
va_list  ap 
)

Definition at line 1264 of file sprintf.c.

References NULL, and rb_enc_vsprintf().

Referenced by create_ip_exc(), ole_raise(), ossl_make_error(), rb_compile_error_append(), rb_fatal(), rb_name_error(), rb_name_error_str(), rb_raise(), rb_sprintf(), and warn_printf().

static char* remove_sign_bits ( char *  str,
int  base 
) [static]

Definition at line 31 of file sprintf.c.

References EXTENDSIGN, and strlen().

Referenced by rb_str_format().

static char* ruby__sfvextra ( rb_printf_buffer *  fp,
size_t  valsize,
void *  valp,
long *  sz,
int  sign 
) [static]

Definition at line 1182 of file sprintf.c.

References ECONV_INVALID_REPLACE, ECONV_UNDEF_REPLACE, if(), OBJ_INFECT, Qnil, rb_enc_associate(), rb_enc_compatible(), rb_enc_get(), rb_eRuntimeError, rb_inspect(), rb_obj_as_string(), rb_raise(), rb_str_conv_enc_opts(), RBASIC, result, RSTRING_GETMEM, and StringValueCStr.

Referenced by rb_enc_vsprintf(), and rb_str_vcatf().

static int ruby__sfvwrite ( register rb_printf_buffer *  fp,
register struct __suio *  uio 
) [static]

Definition at line 1155 of file sprintf.c.

References buf, CHECK, __siov::iov_base, __siov::iov_len, MEMCPY, rb_eRuntimeError, rb_raise(), rb_str_set_len(), RBASIC, result, RSTRING_PTR, __suio::uio_iov, and __suio::uio_resid.

Referenced by rb_enc_vsprintf(), and rb_str_vcatf().

static char sign_bits ( int  base,
const char *  p 
) [static]

Definition at line 56 of file sprintf.c.

Referenced by rb_str_format().

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