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- /*
- * stdio.h
- */
-
- #ifndef _STDIO_H
- #define _STDIO_H
-
- #include <klibc/extern.h>
- #include <stdarg.h>
- #include <stddef.h>
-
- /* This structure doesn't really exist, but it gives us something
- to define FILE * with */
- struct _IO_file;
- typedef struct _IO_file FILE;
-
- #ifndef EOF
- # define EOF (-1)
- #endif
-
- #ifndef BUFSIZ
- # define BUFSIZ 4096
- #endif
-
- #define SEEK_SET 0
- #define SEEK_CUR 1
- #define SEEK_END 2
-
- /*
- * Convert between a FILE * and a file descriptor. We don't actually
- * have any in-memory data, so we just abuse the pointer itself to
- * hold the data. Note, however, that for file descriptors, -1 is
- * error and 0 is a valid value; for FILE *, NULL (0) is error and
- * non-NULL are valid.
- */
- static __inline__ int fileno(FILE *__f)
- {
- /* This should really be intptr_t, but size_t should be the same size */
- return (int)(size_t)__f - 1;
- }
-
- /* This is a macro so it can be used as initializer */
- #define __create_file(__fd) ((FILE *)(size_t)((__fd) + 1))
-
- #define stdin __create_file(0)
- #define stdout __create_file(1)
- #define stderr __create_file(2)
-
- __extern FILE *fopen(const char *, const char *);
- struct dev_info;
- __extern FILE *fopendev(const struct dev_info *, const char *);
-
- static __inline__ FILE *fdopen(int __fd, const char *__m)
- {
- (void)__m; return __create_file(__fd);
- }
- static __inline__ int fclose(FILE *__f)
- {
- extern int close(int);
- return close(fileno(__f));
- }
-
- __extern int fputs(const char *, FILE *);
- __extern int puts(const char *);
- __extern int fputc(int, FILE *);
- #define putc(c,f) fputc((c),(f))
- #define putchar(c) fputc((c),stdout)
-
- __extern int fgetc(FILE *);
- __extern char * fgets(char *, int, FILE *);
- #define getc(f) fgetc(f)
-
- __extern size_t _fread(void *, size_t, FILE *);
- __extern size_t _fwrite(const void *, size_t, FILE *);
-
- #ifndef __NO_FREAD_FWRITE_INLINES
- extern __inline__ size_t
- fread(void *__p, size_t __s, size_t __n, FILE *__f)
- {
- return _fread(__p, __s*__n, __f)/__s;
- }
-
- extern __inline__ size_t
- fwrite(void *__p, size_t __s, size_t __n, FILE *__f)
- {
- return _fwrite(__p, __s*__n, __f)/__s;
- }
- #endif
-
- /* No seek, but we can tell */
- __extern long ftell(FILE *);
-
- __extern int printf(const char *, ...);
- __extern int vprintf(const char *, va_list);
- __extern int fprintf(FILE *, const char *, ...);
- __extern int vfprintf(FILE *, const char *, va_list);
- __extern int sprintf(char *, const char *, ...);
- __extern int vsprintf(char *, const char *, va_list);
- __extern int snprintf(char *, size_t n, const char *, ...);
- __extern int vsnprintf(char *, size_t n, const char *, va_list);
-
- __extern int asprintf(char **, const char *, ...);
- __extern int vasprintf(char **, const char *, va_list);
-
- /* No buffering, so no flushing needed */
- extern __inline__ int
- fflush(FILE *__f)
- {
- (void)__f;
- return 0;
- }
-
- __extern int sscanf(const char *, const char *, ...);
- __extern int vsscanf(const char *, const char *, va_list);
-
- __extern void perror(const char *);
-
- __extern int rename(const char *, const char *);
-
- #endif /* _STDIO_H */
-