cosmopolitan/libc/stdio/stdio.h
Justine Tunney a8d7195777 Make Cosmopolitan ANSI C89 compatible
You can now use cosmopolitan.h with an ANSI C89 compiler like MSVC. The
Cosmopolitan codebase itself won't support being compiled that way. But
you can build objects that link against Cosmopolitan using any compiler
and you can furthermore use tools like IntelliSense that can't even GNU

See also #40
2021-02-03 17:48:59 -08:00

125 lines
6.1 KiB
C

#ifndef COSMOPOLITAN_LIBC_STDIO_STDIO_H_
#define COSMOPOLITAN_LIBC_STDIO_STDIO_H_
#include "libc/fmt/pflink.h"
#include "libc/runtime/symbolic.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § standard i/o ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
typedef struct FILE {
uint8_t bufmode; /* 0x00 _IOFBF, etc. (ignored if fd=-1) */
bool noclose; /* 0x01 for fake dup() */
uint32_t iomode; /* 0x04 O_RDONLY, etc. (ignored if fd=-1) */
int32_t state; /* 0x08 0=OK, -1=EOF, >0=errno */
int fd; /* 0x0c ≥0=fd, -1=closed|buffer */
uint32_t beg; /* 0x10 */
uint32_t end; /* 0x14 */
uint8_t *buf; /* 0x18 */
uint32_t size; /* 0x20 */
uint32_t nofree; /* 0x24 */
int (*reader)(struct FILE *); /* 0x28 */
int (*writer)(struct FILE *); /* 0x30 */
int pid; /* 0x34 */
} FILE;
extern FILE *stdin;
extern FILE *stdout;
extern FILE *stderr;
errno_t ferror(FILE *) paramsnonnull();
void clearerr(FILE *) paramsnonnull();
int feof(FILE *) paramsnonnull();
int getc(FILE *) paramsnonnull();
int putc(int, FILE *) paramsnonnull();
int fflush(FILE *);
int fgetc(FILE *) paramsnonnull();
int ungetc(int, FILE *) paramsnonnull();
int fileno(FILE *) paramsnonnull() nosideeffect;
int fputc(int, FILE *) paramsnonnull();
int fputs(const char *, FILE *) paramsnonnull();
int fputws(const wchar_t *, FILE *) paramsnonnull();
char *fgets(char *, int, FILE *) paramsnonnull();
wchar_t *fgetws(wchar_t *, int, FILE *) paramsnonnull();
wint_t fputwc(wchar_t, FILE *) paramsnonnull();
wint_t putwchar(wchar_t);
wint_t getwchar(void);
wint_t fgetwc(FILE *) paramsnonnull();
int getchar(void);
int putchar(int);
int puts(const char *) paramsnonnull();
ssize_t getline(char **, size_t *, FILE *) paramsnonnull();
ssize_t getdelim(char **, size_t *, int, FILE *) paramsnonnull();
FILE *fopen(const char *, const char *) paramsnonnull() nodiscard;
FILE *fdopen(int, const char *) paramsnonnull() nodiscard;
FILE *fmemopen(void *, size_t, const char *) paramsnonnull((3)) nodiscard;
FILE *freopen(const char *, const char *, FILE *) paramsnonnull((2, 3));
size_t fread(void *, size_t, size_t, FILE *) paramsnonnull();
size_t fwrite(const void *, size_t, size_t, FILE *) paramsnonnull();
int fclose(FILE *);
int fclose_s(FILE **) paramsnonnull();
long fseek(FILE *, long, int) paramsnonnull();
long ftell(FILE *) paramsnonnull();
void rewind(FILE *) paramsnonnull();
int fopenflags(const char *) paramsnonnull();
unsigned favail(FILE *);
void setbuf(FILE *, char *);
void setbuffer(FILE *, char *, size_t);
int setvbuf(FILE *, char *, int, size_t);
FILE *popen(const char *, const char *);
int pclose(FILE *);
typedef uint64_t fpos_t;
compatfn char *gets(char *) paramsnonnull();
compatfn int fgetpos(FILE *, fpos_t *) paramsnonnull();
compatfn int fsetpos(FILE *, const fpos_t *) paramsnonnull();
compatfn int64_t fseeko(FILE *, long, int) paramsnonnull();
compatfn int64_t ftello(FILE *) paramsnonnull();
int system(const char *);
int systemexec(const char *);
int systemecho(const char *);
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § standard i/o » formatting ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
int printf(const char *, ...) printfesque(1)
paramsnonnull((1)) nothrow nocallback;
int vprintf(const char *, va_list) paramsnonnull() nothrow nocallback;
int fprintf(FILE *, const char *, ...) printfesque(2)
paramsnonnull((1, 2)) nothrow nocallback;
int vfprintf(FILE *, const char *, va_list) paramsnonnull() nothrow nocallback;
int scanf(const char *, ...) scanfesque(1);
int vscanf(const char *, va_list);
int fscanf(FILE *, const char *, ...) scanfesque(2);
int vfscanf(FILE *, const char *, va_list);
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § standard i/o » optimizations ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#define getc(f) (f->beg < f->end ? f->buf[f->beg++] : fgetc(f))
#define putc(c, f) fputc(c, f)
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define printf(FMT, ...) (printf)(PFLINK(FMT), ##__VA_ARGS__)
#define vprintf(FMT, VA) (vprintf)(PFLINK(FMT), VA)
#define fprintf(F, FMT, ...) (fprintf)(F, PFLINK(FMT), ##__VA_ARGS__)
#define vfprintf(F, FMT, VA) (vfprintf)(F, PFLINK(FMT), VA)
#define vscanf(FMT, VA) (vscanf)(SFLINK(FMT), VA)
#define scanf(FMT, ...) (scanf)(SFLINK(FMT), ##__VA_ARGS__)
#define fscanf(F, FMT, ...) (fscanf)(F, SFLINK(FMT), ##__VA_ARGS__)
#define vfscanf(F, FMT, VA) (vfscanf)(F, SFLINK(FMT), VA)
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#define stdin SYMBOLIC(stdin)
#define stdout SYMBOLIC(stdout)
#define stderr SYMBOLIC(stderr)
#endif /* COSMOPOLITAN_LIBC_STDIO_STDIO_H_ */