diff options
Diffstat (limited to 'sys/include/ape/stdio.h')
-rwxr-xr-x | sys/include/ape/stdio.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/sys/include/ape/stdio.h b/sys/include/ape/stdio.h new file mode 100755 index 000000000..1e3e585f5 --- /dev/null +++ b/sys/include/ape/stdio.h @@ -0,0 +1,157 @@ +#ifndef _STDIO_H_ +#define _STDIO_H_ +#pragma lib "/$M/lib/ape/libap.a" + +/* + * pANS stdio.h + */ +#include <stdarg.h> +#include <stddef.h> +#include <sys/types.h> +/* + * According to X3J11, there is only one i/o buffer + * and it must not be occupied by both input and output data. + * If rp<wp, we must have state==RD and + * if wp<rp, we must have state==WR, so that getc and putc work correctly. + * On open, rp, wp and buf are set to 0, so first getc or putc will call _IO_getc + * or _IO_putc, which will allocate the buffer. + * If setvbuf(., ., _IONBF, .) is called, bufl is set to 0 and + * buf, rp and wp are pointed at unbuf. + * If setvbuf(., ., _IOLBF, .) is called, _IO_putc leaves wp and rp pointed at the + * end of the buffer so that it can be called on each putc to check whether it's got + * a newline. This nonsense is in order to avoid impacting performance of the other + * buffering modes more than necessary -- putting the test in putc adds many + * instructions that are wasted in non-_IOLBF mode: + * #define putc(c, f) (_IO_ctmp=(c),\ + * (f)->wp>=(f)->rp || (f)->flags&LINEBUF && _IO_ctmp=='\n'\ + * ?_IO_putc(_IO_ctmp, f)\ + * :*(f)->wp++=_IO_ctmp) + * + */ +typedef struct{ + int fd; /* UNIX file pointer */ + char flags; /* bits for must free buffer on close, line-buffered */ + char state; /* last operation was read, write, position, error, eof */ + char *buf; /* pointer to i/o buffer */ + char *rp; /* read pointer (or write end-of-buffer) */ + char *wp; /* write pointer (or read end-of-buffer) */ + char *lp; /* actual write pointer used when line-buffering */ + size_t bufl; /* actual length of buffer */ + char unbuf[1]; /* tiny buffer for unbuffered io (used for ungetc?) */ +}FILE; +typedef long long fpos_t; +#ifndef NULL +#ifdef __cplusplus +#define NULL 0 +#else +#define NULL ((void*)0) +#endif +#endif +/* + * Third arg of setvbuf + */ +#define _IOFBF 1 /* block-buffered */ +#define _IOLBF 2 /* line-buffered */ +#define _IONBF 3 /* unbuffered */ +#define BUFSIZ 4096 /* size of setbuf buffer */ +#define EOF (-1) /* returned on end of file */ +#define FOPEN_MAX 90 /* max files open */ +#define FILENAME_MAX BUFSIZ /* silly filename length */ +#define L_tmpnam 20 /* sizeof "/tmp/abcdefghij9999 */ +#define L_cuserid 32 /* maximum size user name */ +#define L_ctermid 32 /* size of name of controlling tty */ +#define SEEK_CUR 1 +#define SEEK_END 2 +#define SEEK_SET 0 +#define TMP_MAX 64 /* very hard to set correctly */ +#define stderr (&_IO_stream[2]) +#define stdin (&_IO_stream[0]) +#define stdout (&_IO_stream[1]) +#define _IO_CHMASK 0377 /* mask for 8 bit characters */ + +#ifdef __cplusplus +extern "C" { +#endif + +extern int remove(const char *); +extern int rename(const char *, const char *); +extern FILE *tmpfile(void); +extern char *tmpnam(char *); +extern int fclose(FILE *); +extern int fflush(FILE *); +extern FILE *fopen(const char *, const char *); +extern FILE *freopen(const char *, const char *, FILE *); +extern void setbuf(FILE *, char *); +extern int setvbuf(FILE *, char *, int, size_t); +extern int fprintf(FILE *, const char *, ...); +extern int fscanf(FILE *, const char *, ...); +extern int printf(const char *, ...); +extern int scanf(const char *, ...); +extern int sprintf(char *, const char *, ...); +#ifdef _C99_SNPRINTF_EXTENSION /* user knows about c99 out-of-bounds returns */ +extern int snprintf(char *, size_t, const char *, ...); +extern int vsnprintf(char *, size_t, const char *, va_list); +#else +/* draw errors on any attempt to use *snprintf value so old code gets changed */ +extern void snprintf(char *, size_t, const char *, ...); +extern void vsnprintf(char *, size_t, const char *, va_list); +#endif +extern int sscanf(const char *, const char *, ...); +extern int vfprintf(FILE *, const char *, va_list); +extern int vprintf(const char *, va_list); +extern int vsprintf(char *, const char *, va_list); +extern int vfscanf(FILE *, const char *, va_list); +extern int fgetc(FILE *); +extern char *fgets(char *, int, FILE *); +extern int fputc(int, FILE *); +extern int fputs(const char *, FILE *); +extern int getc(FILE *); +#define getc(f) ((f)->rp>=(f)->wp?_IO_getc(f):*(f)->rp++&_IO_CHMASK) +extern int _IO_getc(FILE *f); +extern int getchar(void); +#define getchar() getc(stdin) +extern char *gets(char *); +extern int putc(int, FILE *); +#define putc(c, f) ((f)->wp>=(f)->rp?_IO_putc(c, f):(*(f)->wp++=c)&_IO_CHMASK) +extern int _IO_putc(int, FILE *); +extern int putchar(int); +#define putchar(c) putc(c, stdout) +extern int puts(const char *); +extern int ungetc(int, FILE *); +extern size_t fread(void *, size_t, size_t, FILE *); +extern size_t fwrite(const void *, size_t, size_t, FILE *); +extern int fgetpos(FILE *, fpos_t *); +extern int fseek(FILE *, long, int); +extern int fseeko(FILE *, off_t, int); +extern int fsetpos(FILE *, const fpos_t *); +extern long ftell(FILE *); +extern off_t ftello(FILE *); +extern void rewind(FILE *); +extern void clearerr(FILE *); +extern int feof(FILE *); +extern int ferror(FILE *); +extern void perror(const char *); +extern FILE _IO_stream[FOPEN_MAX]; + +#ifdef _POSIX_SOURCE +extern int fileno(FILE *); +extern FILE* fdopen(int, const char*); +extern char *ctermid(char *); +#endif + +#ifdef _REENTRANT_SOURCE +extern char *tmpnam_r(char *); +extern char *ctermid_r(char *); +#endif + +#ifdef _BSD_EXTENSION +#pragma lib "/$M/lib/ape/libbsd.a" +extern FILE *popen(char *, char *); +extern int pclose(FILE *); +#endif + +#ifdef __cplusplus +} +#endif + +#endif |