134 lines
4.5 KiB
C
134 lines
4.5 KiB
C
/*
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* Copyright (c) 2012-2017 Roberto E. Vargas Caballero
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef _STDIO_H
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#define _STDIO_H
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#include <arch/stdio.h>
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#ifndef FOPEN_MAX
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#define FOPEN_MAX 12
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#endif
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#ifndef NULL
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#define NULL ((void *) 0)
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#endif
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#define EOF -1
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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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#define _IOWRITE (1 << 0)
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#define _IOREAD (1 << 1)
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#define _IORW (1 << 2)
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#define _IOEOF (1 << 3)
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#define _IOERR (1 << 4)
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#define _IOSTRG (1 << 5)
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#define _IOTXT (1 << 6)
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#define _IOFBF (1 << 7)
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#define _IOLBF (1 << 8)
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#define _IONBF (1 << 9)
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#define _IOALLOC (1 <<10)
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typedef struct {
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int fd; /* file descriptor */
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unsigned char *buf; /* pointer to i/o buffer */
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unsigned char *rp; /* read pointer */
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unsigned char *wp; /* write pointer */
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unsigned char *lp; /* write pointer used when line-buffering */
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size_t len; /* actual length of buffer */
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unsigned short flags;
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unsigned char unbuf[1]; /* tiny buffer for unbuffered io */
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} FILE;
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extern FILE __iob[FOPEN_MAX];
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#define stdin (&__iob[0])
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#define stdout (&__iob[1])
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#define stderr (&__iob[2])
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extern int remove(const char *filename);
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extern int rename(const char *old, const char *new);
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extern FILE *tmpfile(void);
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extern char *tmpnam(char *s);
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extern int fclose(FILE *fp);
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extern int fflush(FILE *fp);
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extern FILE *fopen(const char * restrict fname, const char * restrict mode);
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extern FILE *freopen(const char * restrict fname, const char * restrict mode,
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FILE * restrict fp);
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extern void setbuf(FILE * restrict fp, char * restrict buf);
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extern int setvbuf(FILE * restrict fp,
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char * restrict buf, int mode, size_t size);
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extern int fprintf(FILE * restrict fp, const char * restrict fmt, ...);
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extern int fscanf(FILE * restrict fp, const char * restrict fmt, ...);
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extern int printf(const char * restrict fmt, ...);
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extern int scanf(const char * restrict fmt, ...);
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extern int snprintf(char * restrict s,
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size_t n, const char * restrict fmt, ...);
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extern int sprintf(char * restrict s, const char * restrict fmt, ...);
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extern int sscanf(const char * restrict s, const char * restrict fmt, ...);
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#ifdef _STDARG_H
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extern int vfprintf(FILE * restrict fp,
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const char * restrict fmt, va_list arg);
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extern int vfscanf(FILE * restrict fp,
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const char * restrict fmt, va_list arg);
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extern int vprintf(const char * restrict fmt, va_list arg);
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extern int vscanf(const char * restrict fmt, va_list arg);
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extern int vsnprintf(char * restrict s, size_t n, const char * restrict fmt,
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va_list arg);
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extern int vsprintf(char * restrict s,
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const char * restrict fmt, va_list arg);
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extern int vsscanf(const char * restrict s,
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const char * restrict fmt, va_list arg);
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#endif
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extern int fgetc(FILE *fp);
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extern char *fgets(char * restrict s, int n, FILE * restrict fp);
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extern int fputc(int c, FILE *fp);
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extern int fputs(const char * restrict s, FILE * restrict fp);
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extern int getc(FILE *fp);
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extern int getchar(void);
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extern char *gets(char *s);
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extern int putc(int c, FILE *fp);
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extern int putchar(int c);
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extern int puts(const char *s);
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extern int ungetc(int c, FILE *fp);
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extern size_t fread(void * restrict ptr, size_t size, size_t nmemb,
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FILE * restrict fp);
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extern size_t fwrite(const void * restrict ptr, size_t size, size_t nmemb,
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FILE * restrict fp);
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extern int fgetpos(FILE * restrict fp, fpos_t * restrict pos);
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extern int fseek(FILE *fp, long int offset, int whence);
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extern int fsetpos(FILE *fp, const fpos_t *pos);
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extern long int ftell(FILE *fp);
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extern void rewind(FILE *fp);
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extern void clearerr(FILE *fp);
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extern int feof(FILE *fp);
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extern int ferror(FILE *fp);
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extern void perror(const char *s);
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extern int __getc(FILE *fp);
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extern int __putc(int, FILE *fp);
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#ifdef __USE_MACROS
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#ifdef __UNIX_FILES
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#define getc(fp) ((fp)->rp >= (fp)->wp ? __getc(fp) : *(fp)->rp++)
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#define putc(c, fp) ((fp)->wp >= (fp)->rp ? __putc(c,fp) : (*(fp)->wp++ = c))
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#endif
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#define ferror(fp) ((fp)->flags & _IOERR)
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#define feof(fp) ((fp)->flags & _IOEOF)
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#define clearerr(fp) (void) ((fp)->flags &= ~(_IOERR|_IOEOF))
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#define getchar() getc(stdin)
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#define putchar(c) putc((c), stdout)
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#define setbuf(fp, b) (void) setvbuf(fp, b, b ? _IOFBF:_IONBF, BUFSIZ)
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#endif
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#endif
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