Ruby  2.0.0p481(2014-05-08revision45883)
Data Structures | Defines | Typedefs | Functions
vsnprintf.c File Reference
#include <sys/types.h>
#include <varargs.h>
#include <stddef.h>
#include <math.h>
#include <float.h>
Include dependency graph for vsnprintf.c:
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Go to the source code of this file.

Data Structures

struct  __sbuf
struct  __sFILE
struct  __siov
struct  __suio

Defines

#define u_long   unsigned long
#define u_short   unsigned short
#define u_int   unsigned int
#define __P(x)   ()
#define LONG_MAX   2147483647
#define UNINITIALIZED_VAR(x)   x
#define __SLBF   0x0001 /* line buffered */
#define __SNBF   0x0002 /* unbuffered */
#define __SRD   0x0004 /* OK to read */
#define __SWR   0x0008 /* OK to write */
#define __SRW   0x0010 /* open for reading & writing */
#define __SEOF   0x0020 /* found EOF */
#define __SERR   0x0040 /* found error */
#define __SMBF   0x0080 /* _buf is from malloc */
#define __SAPP   0x0100 /* fdopen()ed in append mode */
#define __SSTR   0x0200 /* this is an sprintf/snprintf string */
#define __SOPT   0x0400 /* do fseek() optimisation */
#define __SNPT   0x0800 /* do not do fseek() optimisation */
#define __SOFF   0x1000 /* set iff _offset is in fact correct */
#define __SMOD   0x2000 /* true => fgetln modified _p text */
#define EOF   (-1)
#define BSD__sfeof(p)   (((p)->_flags & __SEOF) != 0)
#define BSD__sferror(p)   (((p)->_flags & __SERR) != 0)
#define BSD__sclearerr(p)   ((void)((p)->_flags &= ~(__SERR|__SEOF)))
#define BSD__sfileno(p)   ((p)->_file)
#define feof(p)   BSD__sfeof(p)
#define ferror(p)   BSD__sferror(p)
#define clearerr(p)   BSD__sclearerr(p)
#define fileno(p)   BSD__sfileno(p)
#define MIN(a, b)   ((a) < (b) ? (a) : (b))
#define COPY(n)   (void)memcpy((void *)fp->_p, (void *)p, (size_t)(n))
#define GETIOV(extra_work)
#define to_digit(c)   ((c) - '0')
#define is_digit(c)   ((unsigned)to_digit(c) <= 9)
#define to_char(n)   (char)((n) + '0')
#define BUF   68
#define ALT   0x001 /* alternate form */
#define HEXPREFIX   0x002 /* add 0x or 0X prefix */
#define LADJUST   0x004 /* left adjustment */
#define LONGDBL   0x008 /* long double; unimplemented */
#define LONGINT   0x010 /* long integer */
#define SHORTINT   0x040 /* short integer */
#define ZEROPAD   0x080 /* zero (as opposed to blank) pad */
#define FPT   0x100 /* Floating point number */
#define NIOV   8
#define PADSIZE   16 /* pad chunk size */
#define PRINT(ptr, len)
#define PAD(howmany, with)
#define PAD_L(howmany, with)   PAD((howmany), (with))
#define FLUSH()
#define SARG()
#define UARG()
#define INTPTR_MASK   (LONGINT|SHORTINT)
#define INTPTR_FLAG   LONGINT

Typedefs

typedef struct __sFILE FILE

Functions

static int BSD__sfvwrite (register FILE *fp, register struct __suio *uio)
static int BSD__sprint (FILE *fp, register struct __suio *uio)
static int BSD__sbprintf (register FILE *fp, const char *fmt, va_list ap)
static char * BSD__ultoa (register u_long val, char *endp, int base, int octzero, const char *xdigs)
static ssize_t BSD_vfprintf (FILE *fp, const char *fmt0, va_list ap)
int ruby_vsnprintf (char *str, size_t n, const char *fmt, va_list ap)
int ruby_snprintf (char *str, size_t n, char const *fmt,...)

Define Documentation

#define __P (   x)    ()

Definition at line 81 of file vsnprintf.c.

#define __SAPP   0x0100 /* fdopen()ed in append mode */

Definition at line 199 of file vsnprintf.c.

#define __SEOF   0x0020 /* found EOF */

Definition at line 196 of file vsnprintf.c.

#define __SERR   0x0040 /* found error */

Definition at line 197 of file vsnprintf.c.

#define __SLBF   0x0001 /* line buffered */

Definition at line 190 of file vsnprintf.c.

Referenced by BSD__sfvwrite().

#define __SMBF   0x0080 /* _buf is from malloc */

Definition at line 198 of file vsnprintf.c.

#define __SMOD   0x2000 /* true => fgetln modified _p text */

Definition at line 204 of file vsnprintf.c.

#define __SNBF   0x0002 /* unbuffered */

Definition at line 191 of file vsnprintf.c.

Referenced by BSD__sfvwrite(), and BSD_vfprintf().

#define __SNPT   0x0800 /* do not do fseek() optimisation */

Definition at line 202 of file vsnprintf.c.

#define __SOFF   0x1000 /* set iff _offset is in fact correct */

Definition at line 203 of file vsnprintf.c.

#define __SOPT   0x0400 /* do fseek() optimisation */

Definition at line 201 of file vsnprintf.c.

#define __SRD   0x0004 /* OK to read */

Definition at line 192 of file vsnprintf.c.

#define __SRW   0x0010 /* open for reading & writing */

Definition at line 195 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define __SSTR   0x0200 /* this is an sprintf/snprintf string */

Definition at line 200 of file vsnprintf.c.

Referenced by BSD__sfvwrite(), rb_enc_vsprintf(), rb_str_vcatf(), ruby_snprintf(), and ruby_vsnprintf().

#define __SWR   0x0008 /* OK to write */

Definition at line 193 of file vsnprintf.c.

Referenced by BSD_vfprintf(), rb_enc_vsprintf(), rb_str_vcatf(), ruby_snprintf(), and ruby_vsnprintf().

#define ALT   0x001 /* alternate form */

Definition at line 523 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define BSD__sclearerr (   p)    ((void)((p)->_flags &= ~(__SERR|__SEOF)))

Definition at line 212 of file vsnprintf.c.

#define BSD__sfeof (   p)    (((p)->_flags & __SEOF) != 0)

Definition at line 210 of file vsnprintf.c.

#define BSD__sferror (   p)    (((p)->_flags & __SERR) != 0)

Definition at line 211 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define BSD__sfileno (   p)    ((p)->_file)

Definition at line 213 of file vsnprintf.c.

#define BUF   68

Definition at line 515 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define clearerr (   p)    BSD__sclearerr(p)

Definition at line 220 of file vsnprintf.c.

Referenced by rb_w32_getc().

#define COPY (   n)    (void)memcpy((void *)fp->_p, (void *)p, (size_t)(n))
#define EOF   (-1)

Definition at line 207 of file vsnprintf.c.

Referenced by appendline(), BSD_vfprintf(), curses_getch(), e_iconv(), e_oconv(), eol_conv(), fold_conv(), h_conv(), j_oconv(), kanji_convert(), mime_begin(), mime_begin_strict(), mime_getc(), mime_integrity(), mime_prechar(), mime_putc(), nfc_getc(), nkf_iconv_utf_16(), nkf_iconv_utf_32(), noconvert(), parser_prepare(), print_guessed_code(), push_hold_buf(), qpencode(), rb_io_getline_1(), rb_w32_getc(), ruby_snprintf(), ruby_vsnprintf(), s_iconv(), s_oconv(), std_putc(), w_iconv(), w_oconv(), w_oconv16(), w_oconv32(), window_getch(), and z_conv().

#define feof (   p)    BSD__sfeof(p)

Definition at line 218 of file vsnprintf.c.

Referenced by rb_vm_bugreport().

#define ferror (   p)    BSD__sferror(p)

Definition at line 219 of file vsnprintf.c.

Referenced by yaml_file_read_handler().

#define fileno (   p)    BSD__sfileno(p)

Definition at line 223 of file vsnprintf.c.

Referenced by fseeko(), init_stdhandle(), main(), ossl_pkey_new_from_file(), ossl_x509_new_from_file(), pipe_open(), prep_stdio(), rb_io_initialize(), rb_io_reopen(), rb_read_check(), rb_w32_fclose(), rb_w32_write(), and readline_readline().

#define FLUSH ( )
Value:
{ \
        if (uio.uio_resid && BSD__sprint(fp, &uio)) \
                goto error; \
        uio.uio_iovcnt = 0; \
        iovp = iov; \
}
#define FPT   0x100 /* Floating point number */

Definition at line 535 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define GETIOV (   extra_work)
Value:
while (len == 0) { \
                extra_work; \
                p = iov->iov_base; \
                len = iov->iov_len; \
                iov++; \
        }

Referenced by BSD__sfvwrite().

#define HEXPREFIX   0x002 /* add 0x or 0X prefix */

Definition at line 524 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define INTPTR_FLAG   LONGINT

Referenced by BSD_vfprintf().

#define INTPTR_MASK   (LONGINT|SHORTINT)

Referenced by BSD_vfprintf().

#define is_digit (   c)    ((unsigned)to_digit(c) <= 9)

Definition at line 357 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define LADJUST   0x004 /* left adjustment */

Definition at line 525 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define LONG_MAX   2147483647

Definition at line 99 of file vsnprintf.c.

Referenced by big2str_find_n1(), BSD__ultoa(), bubblebabble_str_new(), econv_primitive_convert(), enum_sort_by(), hexencode_str_new(), long_mul(), rb_big2long(), rb_big2ulong(), rb_econv_substr_append(), rb_integer_float_eq(), rb_str_justify(), rb_str_times(), remain_size(), RUBY_ALIAS_FUNCTION(), and str_buf_cat().

#define LONGDBL   0x008 /* long double; unimplemented */

Definition at line 526 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define LONGINT   0x010 /* long integer */

Definition at line 527 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define MIN (   a,
  b 
)    ((a) < (b) ? (a) : (b))
#define NIOV   8
#define PAD (   howmany,
  with 
)
Value:
{ \
        if ((n = (howmany)) > 0) { \
                while (n > PADSIZE) { \
                        PRINT((with), PADSIZE); \
                        n -= PADSIZE; \
                } \
                PRINT((with), n); \
        } \
}

Referenced by BSD_vfprintf().

#define PAD_L (   howmany,
  with 
)    PAD((howmany), (with))

Referenced by BSD_vfprintf().

#define PADSIZE   16 /* pad chunk size */

Referenced by BSD_vfprintf().

#define PRINT (   ptr,
  len 
)
Value:
{ \
        iovp->iov_base = (ptr); \
        iovp->iov_len = (len); \
        uio.uio_resid += (len); \
        iovp++; \
        if (++uio.uio_iovcnt >= NIOV) { \
                if (BSD__sprint(fp, &uio)) \
                        goto error; \
                iovp = iov; \
        } \
}
#define SARG ( )
Value:
(flags&LONGINT ? va_arg(ap, long) : \
            flags&SHORTINT ? (long)(short)va_arg(ap, int) : \
            (long)va_arg(ap, int))

Referenced by BSD_vfprintf().

#define SHORTINT   0x040 /* short integer */

Definition at line 533 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define to_char (   n)    (char)((n) + '0')

Definition at line 358 of file vsnprintf.c.

Referenced by BSD__ultoa().

#define to_digit (   c)    ((c) - '0')

Definition at line 356 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define u_int   unsigned int

Definition at line 66 of file vsnprintf.c.

#define u_long   unsigned long

Definition at line 64 of file vsnprintf.c.

Referenced by BSD_vfprintf(), getaddrinfo(), getnameinfo(), and setfl().

#define u_short   unsigned short

Definition at line 65 of file vsnprintf.c.

Referenced by get_addr(), get_name(), getaddrinfo(), and getnameinfo().

#define UARG ( )
Value:
(flags&LONGINT ? va_arg(ap, u_long) : \
            flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
            (u_long)va_arg(ap, u_int))

Referenced by BSD_vfprintf().

#define UNINITIALIZED_VAR (   x)    x

Definition at line 133 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define ZEROPAD   0x080 /* zero (as opposed to blank) pad */

Definition at line 534 of file vsnprintf.c.

Referenced by BSD_vfprintf().

Typedef Documentation

typedef struct __sFILE FILE

Function Documentation

static int BSD__sbprintf ( register FILE *  fp,
const char *  fmt,
va_list  ap 
) [static]

Definition at line 346 of file vsnprintf.c.

Referenced by BSD_vfprintf().

static int BSD__sfvwrite ( register FILE *  fp,
register struct __suio *  uio 
) [static]

Definition at line 247 of file vsnprintf.c.

References __SLBF, __SNBF, __SSTR, __sFILE::_flags, __sFILE::_p, __sFILE::_w, COPY, GETIOV, __siov::iov_base, __siov::iov_len, __suio::uio_iov, and __suio::uio_resid.

Referenced by ruby_snprintf(), and ruby_vsnprintf().

static int BSD__sprint ( FILE *  fp,
register struct __suio *  uio 
) [static]

Definition at line 325 of file vsnprintf.c.

References err, __suio::uio_iovcnt, __suio::uio_resid, and __sFILE::vwrite.

static char* BSD__ultoa ( register u_long  val,
char *  endp,
int  base,
int  octzero,
const char *  xdigs 
) [static]

Definition at line 433 of file vsnprintf.c.

References LONG_MAX, and to_char.

Referenced by BSD_vfprintf().

static ssize_t BSD_vfprintf ( FILE *  fp,
const char *  fmt0,
va_list  ap 
) [static]

Definition at line 537 of file vsnprintf.c.

References __SNBF, __SRW, __SWR, __sFILE::_file, __sFILE::_flags, ALT, BSD__sbprintf(), BSD__sferror, BSD__ultoa(), BUF, buf, CHAR_BIT, EOF, FLUSH, FPT, HEXPREFIX, INTPTR_FLAG, INTPTR_MASK, is_digit, isinf(), isnan, LADJUST, LONGDBL, LONGINT, NULL, PAD, PAD_L, PADSIZE, PRINT, SARG, SHORTINT, size, strlen(), to_digit, u_long, UARG, __suio::uio_iov, __suio::uio_iovcnt, __suio::uio_resid, UNINITIALIZED_VAR, __sFILE::vextra, and ZEROPAD.

Referenced by rb_enc_vsprintf(), rb_str_vcatf(), ruby_snprintf(), and ruby_vsnprintf().

int ruby_snprintf ( char *  str,
size_t  n,
char const *  fmt,
  ... 
)

Definition at line 1319 of file vsnprintf.c.

References __SSTR, __SWR, __sbuf::_base, __sFILE::_bf, __sFILE::_flags, __sFILE::_p, __sbuf::_size, __sFILE::_w, BSD__sfvwrite(), BSD_vfprintf(), EOF, f, __sFILE::vextra, and __sFILE::vwrite.

int ruby_vsnprintf ( char *  str,
size_t  n,
const char *  fmt,
va_list  ap 
)

Definition at line 1301 of file vsnprintf.c.

References __SSTR, __SWR, __sbuf::_base, __sFILE::_bf, __sFILE::_flags, __sFILE::_p, __sbuf::_size, __sFILE::_w, BSD__sfvwrite(), BSD_vfprintf(), EOF, f, __sFILE::vextra, and __sFILE::vwrite.

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