user: implement mlibc as the libc, finally.
It's finally done.. Signed-off-by: kaguya <vpshinomiya@protonmail.com>
This commit is contained in:
kaguya
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#ifndef _STDIO_H
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#define _STDIO_H
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#include <abi-bits/seek-whence.h>
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#include <bits/null.h>
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#include <bits/file.h>
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#include <bits/size_t.h>
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#include <mlibc-config.h>
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/* Glibc extensions require ssize_t. */
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#include <bits/ssize_t.h>
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#include <bits/off_t.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* [C11-7.21.1] I/O related types */
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#define __MLIBC_EOF_BIT 1
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#define __MLIBC_ERROR_BIT 2
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struct __mlibc_file_base {
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/* Buffer for I/O operations. */
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/* We reserve a few extra bytes for ungetc operations. This means */
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/* that __buffer_ptr will point a few bytes *into* the allocation. */
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char *__buffer_ptr;
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/* Number of bytes the buffer can hold. */
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size_t __buffer_size;
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/* Current offset inside the buffer. */
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size_t __offset;
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/* Position inside the buffer that matches the current file pointer. */
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size_t __io_offset;
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/* Valid region of the buffer. */
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size_t __valid_limit;
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/* Begin and end of the dirty region inside the buffer. */
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size_t __dirty_begin;
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size_t __dirty_end;
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/* This points to the same place as __buffer_ptr, or a few bytes earlier */
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/* if there are bytes pushed by ungetc. If buffering is disabled, calls */
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/* to ungetc will trigger an allocation. */
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char *__unget_ptr;
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/* 0 if we are currently reading from the buffer. */
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/* 1 if we are currently writing to the buffer. */
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/* This is only really important for pipe-like streams. */
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int __io_mode;
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/* EOF and error bits. */
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int __status_bits;
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};
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typedef off_t fpos_t;
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/* [C11-7.21.1] I/O related macros */
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#define _IOFBF 1
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#define _IOLBF 2
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#define _IONBF 3
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#define BUFSIZ 512
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#define EOF (-1)
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#define FOPEN_MAX 1024
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#define FILENAME_MAX 256
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#define L_tmpnam 256
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#define TMP_MAX 1024
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#ifndef __MLIBC_ABI_ONLY
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extern FILE *stderr;
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extern FILE *stdin;
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extern FILE *stdout;
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/* [C11-7.21.4] Operations on files */
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int remove(const char *__filename);
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int rename(const char *__old_path, const char *__new_path);
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int renameat(int __olddirfd, const char *__old_path, int __newdirfd, const char *__new_path);
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FILE *tmpfile(void);
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char *tmpnam(char *__buffer);
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/* [C11-7.21.5] File access functions */
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int fclose(FILE *__stream);
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int fflush(FILE *__stream);
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FILE *fopen(const char *__restrict __filename, const char *__restrict __mode);
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FILE *freopen(const char *__restrict __filename, const char *__restrict __mode, FILE *__restrict __stream);
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void setbuf(FILE *__restrict __stream, char *__restrict __buffer);
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int setvbuf(FILE *__restrict __stream, char *__restrict __buffer, int __mode, size_t __size);
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void setlinebuf(FILE *__stream);
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void setbuffer(FILE *__stream, char *__buffer, size_t __size);
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/* [C11-7.21.6] Formatted input/output functions */
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__attribute__((__format__(__printf__, 2, 3)))
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int fprintf(FILE *__restrict __stream, const char *__restrict __format, ...);
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__attribute__((__format__(__scanf__, 2, 3)))
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int fscanf(FILE *__restrict __stream, const char *__restrict __format, ...);
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__attribute__((__format__(__printf__, 1, 2)))
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int printf(const char *__restrict __format, ...);
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__attribute__((__format__(__scanf__, 1, 2)))
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int scanf(const char *__restrict __format, ...);
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__attribute__((__format__(__printf__, 3, 4)))
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int snprintf(char *__restrict __buffer, size_t __max_size, const char *__restrict __format, ...);
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__attribute__((__format__(__printf__, 2, 3)))
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int sprintf(char *__restrict __buffer, const char *__restrict __format, ...);
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__attribute__((__format__(__scanf__, 2, 3)))
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int sscanf(const char *__restrict __buffer, const char *__restrict __format, ...);
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__attribute__((__format__(__printf__, 2, 0)))
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int vfprintf(FILE *__restrict __stream, const char *__restrict __format, __builtin_va_list __args);
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__attribute__((__format__(__scanf__, 2, 0)))
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int vfscanf(FILE *__restrict __stream, const char *__restrict __format, __builtin_va_list __args);
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__attribute__((__format__(__printf__, 1, 0)))
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int vprintf(const char *__restrict __format, __builtin_va_list __args);
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__attribute__((__format__(__scanf__, 1, 0)))
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int vscanf(const char *__restrict __format, __builtin_va_list __args);
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__attribute__((__format__(__printf__, 3, 0)))
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int vsnprintf(char *__restrict __buffer, size_t __max_size,
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const char *__restrict __format, __builtin_va_list __args);
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__attribute__((__format__(__printf__, 2, 0)))
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int vsprintf(char *__restrict __buffer, const char *__restrict __format, __builtin_va_list __args);
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__attribute__((__format__(__scanf__, 2, 0)))
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int vsscanf(const char *__restrict __buffer, const char *__restrict __format, __builtin_va_list __args);
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/* this is a gnu extension */
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__attribute__((__format__(__printf__, 2, 0)))
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int vasprintf(char **__buffer, const char *__format, __builtin_va_list __args);
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/* [C11-7.21.7] Character input/output functions */
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int fgetc(FILE *__stream);
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char *fgets(char *__restrict __buffer, int __max_size, FILE *__restrict __stream);
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int fputc(int __c, FILE *__stream);
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int fputs(const char *__restrict __string, FILE *__restrict __stream);
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char *gets(char *__s);
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int getc(FILE *__stream);
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int getchar(void);
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int putc(int __c, FILE *__stream);
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int putchar(int __c);
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int puts(const char *__string);
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int ungetc(int __c, FILE *__stream);
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/* [C11-7.21.8] Direct input/output functions */
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size_t fread(void *__restrict __buffer, size_t __size, size_t __count, FILE *__restrict __stream);
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size_t fwrite(const void *__restrict __buffer, size_t __size, size_t __count, FILE *__restrict __stream);
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/* [C11-7.21.9] File positioning functions */
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int fgetpos(FILE *__restrict __stream, fpos_t *__restrict __position);
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int fseek(FILE *__stream, long __offset, int __whence);
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int fsetpos(FILE *__stream, const fpos_t *__position);
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long ftell(FILE *__stream);
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void rewind(FILE *__stream);
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/* [C11-7.21.10] Error handling functions */
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void clearerr(FILE *__stream);
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int feof(FILE *__stream);
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int ferror(FILE *__stream);
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void perror(const char *__string);
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/* POSIX unlocked I/O extensions. */
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int getc_unlocked(FILE *__stream);
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int getchar_unlocked(void);
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int putc_unlocked(int __c, FILE *__stream);
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int putchar_unlocked(int __c);
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/* GLIBC extensions. */
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ssize_t getline(char **__linep, size_t *__sizep, FILE *__stream);
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ssize_t getdelim(char **__linep, size_t *__sizep, int __delim, FILE *__stream);
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__attribute__((__format__(__printf__, 2, 3)))
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int asprintf(char **__buffer, const char *__format, ...);
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/* Linux unlocked I/O extensions. */
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void flockfile(FILE *__stream);
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void funlockfile(FILE *__stream);
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int ftrylockfile(FILE *__stream);
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void clearerr_unlocked(FILE *__stream);
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int feof_unlocked(FILE *__stream);
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int ferror_unlocked(FILE *__stream);
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int fileno_unlocked(FILE *__stream);
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int fflush_unlocked(FILE *__stream);
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int fgetc_unlocked(FILE *__stream);
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int fputc_unlocked(int __c, FILE *__stream);
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size_t fread_unlocked(void *__restrict __buffer, size_t __size, size_t __count, FILE *__restrict __stream);
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size_t fwrite_unlocked(const void *__restrict __buffer, size_t __size, size_t __count, FILE *__restrict __stream);
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char *fgets_unlocked(char *__restrict __buffer, int __size, FILE *__restrict __stream);
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int fputs_unlocked(const char *__restrict __buffer, FILE *__restrict __stream);
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#endif /* !__MLIBC_ABI_ONLY */
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#ifdef __cplusplus
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}
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#endif
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#if __MLIBC_POSIX_OPTION
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# include <bits/posix/posix_stdio.h>
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#endif
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#endif /* _STDIO_H */
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