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Diffstat (limited to 'libc-0.0.4/include/stdio.h')
| -rw-r--r-- | libc-0.0.4/include/stdio.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/libc-0.0.4/include/stdio.h b/libc-0.0.4/include/stdio.h new file mode 100644 index 0000000..ba70b1d --- /dev/null +++ b/libc-0.0.4/include/stdio.h @@ -0,0 +1,125 @@ + +#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 */ + +#ifdef __MSDOS__ +#define __MODE_IOTRAN 0x1000 /* MSDOS nl <-> cr,nl translation */ +#else +#define __MODE_IOTRAN 0 +#endif + +/* 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 (256) + +extern FILE stdin[1]; +extern FILE stdout[1]; +extern FILE stderr[1]; + +#ifdef __MSDOS__ +#define putc(c, fp) fputc(c, fp) +#define getc(fp) fgetc(fp) +#else +#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++)) +#endif + +#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) + +/* declare functions; not like it makes much difference without ANSI */ +/* RDB: The return values _are_ important, especially if we ever use + 8086 'large' model + */ + +/* 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 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*, ...)); + +#define stdio_pending(fp) ((fp)->bufread>(fp)->bufpos) + +#endif /* __STDIO_H */ |