mirror of
https://github.com/jart/cosmopolitan.git
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3e4fd4b0ad
This change also pays off some of the remaining technical debt with stdio, file descriptors, and memory managemnt polyfills.
124 lines
6 KiB
C
124 lines
6 KiB
C
#ifndef COSMOPOLITAN_LIBC_STDIO_STDIO_H_
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#define COSMOPOLITAN_LIBC_STDIO_STDIO_H_
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#include "libc/fmt/pflink.h"
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#include "libc/runtime/symbolic.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § standard i/o ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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typedef struct FILE {
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uint8_t bufmode; // 0x00 _IOFBF, etc. (ignored if fd=-1)
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bool noclose; // 0x01 for fake dup()
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uint32_t iomode; // 0x04 O_RDONLY, etc. (ignored if fd=-1)
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int32_t state; // 0x08 0=OK, -1=EOF, >0=errno
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int fd; // 0x0c ≥0=fd, -1=closed|buffer
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uint32_t beg; // 0x10
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uint32_t end; // 0x14
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uint8_t *buf; // 0x18
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uint32_t size; // 0x20
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uint32_t nofree; // 0x24
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int (*reader)(struct FILE *); // 0x28
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int (*writer)(struct FILE *); // 0x30
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} FILE;
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extern FILE *stdin;
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extern FILE *stdout;
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extern FILE *stderr;
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errno_t ferror(FILE *) paramsnonnull();
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void clearerr(FILE *) paramsnonnull();
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int feof(FILE *) paramsnonnull();
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int getc(FILE *) paramsnonnull();
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int putc(int, FILE *) paramsnonnull();
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int fflush(FILE *);
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int fgetc(FILE *) paramsnonnull();
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int ungetc(int, FILE *) paramsnonnull();
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int fileno(FILE *) paramsnonnull() nosideeffect;
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int fputc(int, FILE *) paramsnonnull();
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int fputs(const char *, FILE *) paramsnonnull();
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int fputws(const wchar_t *, FILE *) paramsnonnull();
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char *fgets(char *, int, FILE *) paramsnonnull();
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wchar_t *fgetws(wchar_t *, int, FILE *) paramsnonnull();
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wint_t fputwc(wchar_t, FILE *) paramsnonnull();
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wint_t putwchar(wchar_t);
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wint_t getwchar(void);
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wint_t fgetwc(FILE *) paramsnonnull();
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int getchar(void);
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int putchar(int);
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int puts(const char *) paramsnonnull();
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ssize_t getline(char **, size_t *, FILE *) paramsnonnull();
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ssize_t getdelim(char **, size_t *, int, FILE *) paramsnonnull();
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int fputhex(int, FILE *) paramsnonnull();
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int fgethex(FILE *) paramsnonnull();
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FILE *fopen(const char *, const char *) paramsnonnull() nodiscard;
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FILE *fdopen(int, const char *) paramsnonnull() nodiscard;
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FILE *fmemopen(void *, size_t, const char *) paramsnonnull((3)) nodiscard;
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FILE *freopen(const char *, const char *, FILE *) paramsnonnull((2, 3));
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size_t fread(void *, size_t, size_t, FILE *) paramsnonnull();
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size_t fwrite(const void *, size_t, size_t, FILE *) paramsnonnull();
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int freplenish(FILE *) paramsnonnull();
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int fclose(FILE *);
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int fclose_s(FILE **) paramsnonnull();
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long fseek(FILE *, long, int) paramsnonnull();
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long ftell(FILE *) paramsnonnull();
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void rewind(FILE *) paramsnonnull();
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int fopenflags(const char *) paramsnonnull();
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unsigned favail(FILE *);
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void setbuf(FILE *, char *);
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void setbuffer(FILE *, char *, size_t);
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int setvbuf(FILE *, char *, int, size_t);
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typedef uint64_t fpos_t;
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compatfn char *gets(char *) paramsnonnull();
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compatfn int fgetpos(FILE *, fpos_t *) paramsnonnull();
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compatfn int fsetpos(FILE *, const fpos_t *) paramsnonnull();
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compatfn int64_t fseeko(FILE *, long, int) paramsnonnull();
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compatfn int64_t ftello(FILE *) paramsnonnull();
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int system(const char *);
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int systemecho(const char *);
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § standard i/o » formatting ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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int printf(const char *, ...) printfesque(1)
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paramsnonnull((1)) nothrow nocallback;
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int vprintf(const char *, va_list) paramsnonnull() nothrow nocallback;
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int fprintf(FILE *, const char *, ...) printfesque(2)
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paramsnonnull((1, 2)) nothrow nocallback;
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int vfprintf(FILE *, const char *, va_list) paramsnonnull() nothrow nocallback;
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int scanf(const char *, ...) scanfesque(1);
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int vscanf(const char *, va_list);
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int fscanf(FILE *, const char *, ...) scanfesque(2);
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int vfscanf(FILE *, const char *, va_list);
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § standard i/o » optimizations ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#define putc(c, f) fputc(c, f)
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#define getc(f) (f->beg < f->end ? f->buf[f->beg++] : fgetc(f))
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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#define printf(FMT, ...) (printf)(PFLINK(FMT), ##__VA_ARGS__)
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#define vprintf(FMT, VA) (vprintf)(PFLINK(FMT), VA)
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#define fprintf(F, FMT, ...) (fprintf)(F, PFLINK(FMT), ##__VA_ARGS__)
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#define vfprintf(F, FMT, VA) (vfprintf)(F, PFLINK(FMT), VA)
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#define vscanf(FMT, VA) (vscanf)(SFLINK(FMT), VA)
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#define scanf(FMT, ...) (scanf)(SFLINK(FMT), ##__VA_ARGS__)
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#define fscanf(F, FMT, ...) (fscanf)(F, SFLINK(FMT), ##__VA_ARGS__)
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#define vfscanf(F, FMT, VA) (vfscanf)(F, SFLINK(FMT), VA)
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#endif
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#define stdin SYMBOLIC(stdin)
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#define stdout SYMBOLIC(stdout)
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#define stderr SYMBOLIC(stderr)
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#endif /* COSMOPOLITAN_LIBC_STDIO_STDIO_H_ */
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