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- #ifndef __STDIO_H
- #define __STDIO_H
- #include <features.h>
- #include <sys/types.h>
- #ifndef SEEK_SET
- #define SEEK_SET 0
- #define SEEK_CUR 1
- #define SEEK_END 2
- #endif
- #define _IOFBF 0x00 /* full buffering */
- #define _IOLBF 0x01 /* line buffering */
- #define _IONBF 0x02 /* no buffering */
- #define __MODE_BUF 0x03 /* Modal buffering dependent on isatty */
- #define __MODE_FREEBUF 0x04 /* Buffer allocated with malloc, can free */
- #define __MODE_FREEFIL 0x08 /* FILE allocated with malloc, can free */
- #define __MODE_READ 0x10 /* Opened in read only */
- #define __MODE_WRITE 0x20 /* Opened in write only */
- #define __MODE_RDWR 0x30 /* Opened in read/write */
- #define __MODE_READING 0x40 /* Buffer has pending read data */
- #define __MODE_WRITING 0x80 /* Buffer has pending write data */
- #define __MODE_EOF 0x100 /* EOF status */
- #define __MODE_ERR 0x200 /* Error status */
- #define __MODE_UNGOT 0x400 /* Buffer has been polluted by ungetc */
- #define __MODE_IOTRAN 0
- /* when you add or change fields here, be sure to change the initialization
- * in stdio_init and fopen */
- struct __stdio_file {
- unsigned char *bufpos; /* the next byte to write to or read from */
- unsigned char *bufread; /* the end of data returned by last read() */
- unsigned char *bufwrite; /* highest address writable by macro */
- unsigned char *bufstart; /* the start of the buffer */
- unsigned char *bufend; /* the end of the buffer; ie the byte after the last
- malloc()ed byte */
- int fd; /* the file descriptor associated with the stream */
- int mode;
- char unbuf[8]; /* The buffer for 'unbuffered' streams */
- struct __stdio_file * next;
- };
- #define EOF (-1)
- #ifndef NULL
- #define NULL (0)
- #endif
- typedef struct __stdio_file FILE;
- #define BUFSIZ (500) /*(508) should get us a fully used kmalloc bucket */
- extern FILE stdin[1];
- extern FILE stdout[1];
- extern FILE stderr[1];
- #define putc(c, stream) \
- (((stream)->bufpos >= (stream)->bufwrite) ? fputc((c), (stream)) \
- : (unsigned char) (*(stream)->bufpos++ = (c)) )
- #define getc(stream) \
- (((stream)->bufpos >= (stream)->bufread) ? fgetc(stream): \
- (*(stream)->bufpos++))
- #define putchar(c) putc((c), stdout)
- #define getchar() getc(stdin)
- #define ferror(fp) (((fp)->mode&__MODE_ERR) != 0)
- #define feof(fp) (((fp)->mode&__MODE_EOF) != 0)
- #define clearerr(fp) ((fp)->mode &= ~(__MODE_EOF|__MODE_ERR),0)
- #define fileno(fp) ((fp)->fd)
- /* These two call malloc */
- #define setlinebuf(__fp) setvbuf((__fp), (char*)0, _IOLBF, 0)
- extern int setvbuf __P((FILE*, char*, int, size_t));
- /* These don't */
- #define setbuf(__fp, __buf) setbuffer((__fp), (__buf), BUFSIZ)
- extern void setbuffer __P((FILE*, char*, int));
- extern int fgetc __P((FILE*));
- extern int fputc __P((int, FILE*));
- extern int fclose __P((FILE*));
- extern int fflush __P((FILE*));
- extern char *fgets __P((char*, size_t, FILE*));
- extern FILE *__fopen __P((char*, int, FILE*, char*));
- #define fopen(__file, __mode) __fopen((__file), -1, (FILE*)0, (__mode))
- #define freopen(__file, __mode, __fp) __fopen((__file), -1, (__fp), (__mode))
- #define fdopen(__file, __mode) __fopen((char*)0, (__file), (FILE*)0, (__mode))
- extern int fseek __P((FILE*, long, int));
- extern long ftell __P((FILE*));
- extern void rewind __P((FILE*));
- extern int fputs __P((char*, FILE*));
- extern int puts __P((char*));
- extern int printf __P ((__const char*, ...));
- extern int fprintf __P ((FILE*, __const char*, ...));
- extern int sprintf __P ((char*, __const char*, ...));
- extern int ungetc __P ((int c, FILE * stream));
- #define stdio_pending(fp) ((fp)->bufread>(fp)->bufpos)
- #endif /* __STDIO_H */
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