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https://git.planet-casio.com/Vhex-Kernel-Core/fxlibc.git
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135 lines
4.3 KiB
C
135 lines
4.3 KiB
C
#ifndef __STDIO_H__
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# define __STDIO_H__
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#include <stddef.h>
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#include <stdarg.h>
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/* Type of FILE handlers. */
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#include <bits/types/FILE.h>
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/* Type of positions within files. */
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typedef size_t fpos_t;
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/* Buffering modes. */
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#define _IOFBF 0
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#define _IOLBF 1
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#define _IONBF 2
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/* Some buffer size for file buffering. */
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/* TODO: We might want a larger BUFSIZ than 256 on fx-CG 50. */
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#define BUFSIZ 256
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/* End-of-file marker. */
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#define EOF ((int)(-1))
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/* Number of files guaranteed can be opened simultaneously. */
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/* TODO: FOPEN_MAX is BFile-specific, Vhex might have much larger limits. */
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#define FOPEN_MAX 4
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/* Recommended length of a filename. */
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/* TODO: FILENAME_MAX = 128 is quite BFile-centric, Vhex might be different. */
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#define FILENAME_MAX 128
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/* Length a filename for tmpnam. */
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#define L_tmpnam FILENAME_MAX
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/* Seeking positions. */
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#define SEEK_CUR 0
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#define SEEK_END 1
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#define SEEK_SET 2
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/* Maximum number of unique filenames that tmpnam can generate. */
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/* TODO: Set a useful value in TMP_MAX other than 16*16*16 */
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#define TMP_MAX (16*16*16)
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/* Standard input, output and error streams. */
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extern FILE *stdin;
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extern FILE *stdout;
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extern FILE *stderr;
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/* Make them macros (7.19.1§3) */
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#define stdin stdin
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#define stdout stdout
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#define stderr stderr
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/*
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** Formatted input/output functions.
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**
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** These functions implement most of printf(3)'s features, including:
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** - Signed and unsigned integer formats (%d, %i, %o, %u, %x, %X)
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** - Character, string and pointer formats (%c, %s, %p)
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** - Character count and strerror() shorthand formats (%n, %m)
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** - Format options (0, #, -, (space), length, precision)
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** - Parameter length (hh, h, l, ll, L, z, j, t) (L: if long double is 64-bit)
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** - Limiting the size of the output and still returning the whole length
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** - If __printf_enable_fp() from <fxlibc/printf.h> is called: floating-point
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** formats (%e, %E, %f, %F, %g, %G) (disabled by default to save space)
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**
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** They do not (yet?) support:
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** - Hexadecimal floating-point (%a, %A)
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** - Printing long double values when long double is more than 64-bit
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** - Dynamic length field (*)
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** - Parameter reordering ($m)
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** - Thousands separators (') and locale-aware digits (I)
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** - Nonstandard/old synonyms %C (%lc), %S (%ls), q (ll), and Z (z)
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**
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** There are extensions, namely to allow for custom conversions to be added.
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** One custom conversion can be enabled with __printf_enable_fixed() from
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** <fxlibc/printf.h>: a decimal fixed-point format %D which is like %d but
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** with a decimal point. See <fxlibc/printf.h> for details.
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*/
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/* Formatted print to file. */
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extern int fprintf(FILE * __restrict__ __fp,
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char const * __restrict__ __format, ...);
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/* Formatted print to stdout. */
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extern int printf(
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char const * __restrict__ __format, ...);
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/* Formatted print to string (with limited size). */
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extern int snprintf(char * __restrict__ __str, size_t __size,
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char const * __restrict__ __format, ...);
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/* Formatted print to string (with unlimited size!). */
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extern int sprintf(char * __restrict__ __str,
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char const * __restrict__ __format, ...);
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/* Formatted print to file (variable argument list). */
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extern int vfprintf(FILE * __restrict__ __fp,
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char const * __restrict__ __format, va_list __args);
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/* Formatted print to stdout (variable argument list). */
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extern int vprintf(
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char const * __restrict__ __format, va_list __args);
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/* Formatted print to string (limited size, variable argument list). */
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extern int vsnprintf(char * __restrict__ __str, size_t __size,
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char const * __restrict__ __format, va_list __args);
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/* Formatted print to string (unlimited size!, variable argument list). */
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extern int vsprintf(char * __restrict__ __str,
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char const * __restrict__ __format, va_list __args);
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/* putx() - display char / string */
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extern int putchar(int c);
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extern int puts(const char *s);
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/* Extensions. */
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/* Formatted print to file descriptor. */
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extern int dprintf(int __fd,
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char const * __restrict__ __format, ...);
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/* Formatted print to file descriptor (variable argument list). */
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extern int vdprintf(int __fd,
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char const * __restrict__ __format, va_list __args);
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/* Allocating sprintf(). */
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extern int asprintf(char ** __restrict__ __str,
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char const * __restrict__ __format, ...);
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/* Allocating vsprintf(). */
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extern int vasprintf(char ** __restrict__ __str,
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char const * __restrict__ __format, va_list __args);
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#endif /*__STDIO_H__*/
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