Initial revision

1 files changed, 118 insertions, 0 deletions

diff --git a/include/stdio.h b/include/stdio.h
new file mode 100644
index 000000000..1f63f6002
--- /dev/null
+++ b/include/stdio.h
@@ -0,0 +1,118 @@
+
+#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 */