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2dd8d5e1b8
musl does not support legacy 32-bit-off_t whatsoever. off_t is always 64 bit, and correct programs that use off_t and the standard functions will just work out of the box. (on glibc, they would require -D_FILE_OFFSET_BITS=64 to work.) however, some programs instead define _LARGEFILE64_SOURCE and use alternate versions of all the standard types and functions with "64" appended to their names. we do not want code to actually get linked against these functions (it's ugly and inconsistent), so macros are used instead of prototypes with weak aliases in the library itself. eventually the weak aliases may be added at the library level for the sake of using code that was originally built against glibc, but the macros will still be the desired solution in the headers.
187 lines
4.0 KiB
C
187 lines
4.0 KiB
C
#ifndef _STDIO_H
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#define _STDIO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define __NEED_FILE
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#define __NEED_va_list
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#define __NEED_size_t
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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
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#define __NEED_ssize_t
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#define __NEED_off_t
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#endif
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#include <bits/alltypes.h>
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#undef NULL
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#ifdef __cplusplus
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#define NULL 0
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#else
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#define NULL ((void*)0)
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#endif
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#undef EOF
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#define EOF (-1)
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#undef SEEK_SET
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#undef SEEK_CUR
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#undef SEEK_END
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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#define _IOFBF 0
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#define _IOLBF 1
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#define _IONBF 2
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#define BUFSIZ 1024
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#define FILENAME_MAX 4095
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#define FOPEN_MAX 1000
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#define TMP_MAX 10000
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#define L_tmpnam 20
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typedef union {
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char __opaque[16];
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double __align;
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} fpos_t;
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extern FILE *const stdin;
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extern FILE *const stdout;
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extern FILE *const stderr;
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#define stdin (stdin)
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#define stdout (stdout)
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#define stderr (stderr)
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FILE *fopen(const char *, const char *);
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FILE *freopen(const char *, const char *, FILE *);
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int fclose(FILE *);
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int remove(const char *);
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int rename(const char *, const char *);
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int feof(FILE *);
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int ferror(FILE *);
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int fflush(FILE *);
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void clearerr(FILE *);
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int fseek(FILE *, long, int);
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long ftell(FILE *);
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void rewind(FILE *);
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int fgetpos(FILE *, fpos_t *);
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int fsetpos(FILE *, const fpos_t *);
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size_t fread(void *, size_t, size_t, FILE *);
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size_t fwrite(const void *, size_t, size_t, FILE *);
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int fgetc(FILE *);
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int getc(FILE *);
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int getchar(void);
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int ungetc(int, FILE *);
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int fputc(int, FILE *);
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int putc(int, FILE *);
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int putchar(int);
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char *fgets(char *, int, FILE *);
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char *gets(char *);
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int fputs(const char *, FILE *);
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int puts(const char *);
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int printf(const char *, ...);
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int fprintf(FILE *, const char *, ...);
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int sprintf(char *, const char *, ...);
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int snprintf(char *, size_t, const char *, ...);
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int vprintf(const char *, va_list);
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int vfprintf(FILE *, const char *, va_list);
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int vsprintf(char *, const char *, va_list);
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int vsnprintf(char *, size_t, const char *, va_list);
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int scanf(const char *, ...);
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int fscanf(FILE *, const char *, ...);
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int sscanf(const char *, const char *, ...);
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int vscanf(const char *, va_list);
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int vfscanf(FILE *, const char *, va_list);
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int vsscanf(const char *, const char *, va_list);
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void perror(const char *);
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int setvbuf(FILE *, char *, int, size_t);
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void setbuf(FILE *, char *);
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char *tmpnam(char *);
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FILE *tmpfile(void);
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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
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FILE *fmemopen(void *, size_t, const char *);
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FILE *open_memstream(char **, size_t *);
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FILE *fdopen(int, const char *);
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FILE *popen(const char *, const char *);
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int pclose(FILE *);
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int fileno(FILE *);
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int fseeko(FILE *, off_t, int);
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off_t ftello(FILE *);
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int dprintf(int, const char *, ...);
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int vdprintf(int, const char *, va_list);
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void flockfile(FILE *);
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int ftrylockfile(FILE *);
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void funlockfile(FILE *);
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int getc_unlocked(FILE *);
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int getchar_unlocked(void);
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int putc_unlocked(int, FILE *);
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int putchar_unlocked(int);
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ssize_t getdelim(char **, size_t *, int, FILE *);
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ssize_t getline(char **, size_t *, FILE *);
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int renameat(int, const char *, int, const char *);
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char *ctermid(char *);
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#define L_ctermid 20
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#endif
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#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
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#define P_tmpdir "/tmp"
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char *tempnam(const char *, const char *);
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#endif
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#if defined(_GNU_SOURCE)
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#define L_cuserid 20
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char *cuserid(char *);
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#undef off64_t
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#define off64_t off_t
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int asprintf(char **, const char *, ...);
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int vasprintf(char **, const char *, va_list);
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void setlinebuf(FILE *);
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void setbuffer(FILE *, char *, size_t);
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int fpurge(FILE *);
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int fgetc_unlocked(FILE *);
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int fputc_unlocked(int, FILE *);
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char *fgets_unlocked(char *, int, FILE *);
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int fputs_unlocked(const char *, FILE *);
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#endif
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#ifdef _LARGEFILE64_SOURCE
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#define tmpfile64 tmpfile
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#define fopen64 fopen
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#define freopen64 freopen
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#define fseeko64 fseeko
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#define ftello64 ftello
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#define fgetpos64 fgetpos
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#define fsetpos64 fsetpos
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#define fpos64_t fpos_t
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#define off64_t off_t
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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