46faca54ed
The putc macro is specified as returning an int, but our type conversion rules turned it into a uint. Put in the appropriate cast to make the type what we want.
151 lines
5 KiB
C
151 lines
5 KiB
C
#ifndef _STDIO_H_
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#define _STDIO_H_
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#pragma lib "/$M/lib/ape/libap.a"
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/*
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* pANS stdio.h
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*/
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#include <stdarg.h>
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#include <stddef.h>
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#include <sys/types.h>
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/*
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* According to X3J11, there is only one i/o buffer
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* and it must not be occupied by both input and output data.
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* If rp<wp, we must have state==RD and
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* if wp<rp, we must have state==WR, so that getc and putc work correctly.
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* On open, rp, wp and buf are set to 0, so first getc or putc will call _IO_getc
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* or _IO_putc, which will allocate the buffer.
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* If setvbuf(., ., _IONBF, .) is called, bufl is set to 0 and
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* buf, rp and wp are pointed at unbuf.
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* If setvbuf(., ., _IOLBF, .) is called, _IO_putc leaves wp and rp pointed at the
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* end of the buffer so that it can be called on each putc to check whether it's got
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* a newline. This nonsense is in order to avoid impacting performance of the other
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* buffering modes more than necessary -- putting the test in putc adds many
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* instructions that are wasted in non-_IOLBF mode:
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* #define putc(c, f) (_IO_ctmp=(c),\
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* (f)->wp>=(f)->rp || (f)->flags&LINEBUF && _IO_ctmp=='\n'\
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* ?_IO_putc(_IO_ctmp, f)\
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* :*(f)->wp++=_IO_ctmp)
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*
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*/
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typedef struct{
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int fd; /* UNIX file pointer */
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char flags; /* bits for must free buffer on close, line-buffered */
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char state; /* last operation was read, write, position, error, eof */
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char *buf; /* pointer to i/o buffer */
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char *rp; /* read pointer (or write end-of-buffer) */
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char *wp; /* write pointer (or read end-of-buffer) */
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char *lp; /* actual write pointer used when line-buffering */
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size_t bufl; /* actual length of buffer */
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char unbuf[1]; /* tiny buffer for unbuffered io (used for ungetc?) */
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}FILE;
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typedef long long fpos_t;
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#ifndef 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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#endif
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/*
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* Third arg of setvbuf
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*/
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#define _IOFBF 1 /* block-buffered */
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#define _IOLBF 2 /* line-buffered */
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#define _IONBF 3 /* unbuffered */
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#define BUFSIZ 4096 /* size of setbuf buffer */
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#define EOF (-1) /* returned on end of file */
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#define FOPEN_MAX 90 /* max files open */
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#define FILENAME_MAX BUFSIZ /* silly filename length */
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#define L_tmpnam 20 /* sizeof "/tmp/abcdefghij9999 */
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#define L_cuserid 32 /* maximum size user name */
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#define L_ctermid 32 /* size of name of controlling tty */
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#define SEEK_CUR 1
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#define SEEK_END 2
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#define SEEK_SET 0
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#define TMP_MAX 64 /* very hard to set correctly */
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#define stderr (&_IO_stream[2])
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#define stdin (&_IO_stream[0])
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#define stdout (&_IO_stream[1])
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#define _IO_CHMASK 0377 /* mask for 8 bit characters */
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int remove(const char *);
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extern int rename(const char *, const char *);
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extern FILE *tmpfile(void);
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extern char *tmpnam(char *);
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extern int fclose(FILE *);
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extern int fflush(FILE *);
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extern FILE *fopen(const char *, const char *);
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extern FILE *freopen(const char *, const char *, FILE *);
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extern void setbuf(FILE *, char *);
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extern int setvbuf(FILE *, char *, int, size_t);
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extern int fprintf(FILE *, const char *, ...);
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extern int fscanf(FILE *, const char *, ...);
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extern int printf(const char *, ...);
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extern int scanf(const char *, ...);
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extern int sprintf(char *, const char *, ...);
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extern int snprintf(char *, size_t, const char *, ...);
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extern int vsnprintf(char *, size_t, const char *, va_list);
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extern int sscanf(const char *, const char *, ...);
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extern int vfprintf(FILE *, const char *, va_list);
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extern int vprintf(const char *, va_list);
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extern int vsprintf(char *, const char *, va_list);
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extern int vfscanf(FILE *, const char *, va_list);
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extern int fgetc(FILE *);
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extern char *fgets(char *, int, FILE *);
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extern int fputc(int, FILE *);
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extern int fputs(const char *, FILE *);
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extern int getc(FILE *);
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#define getc(f) ((f)->rp>=(f)->wp?_IO_getc(f):*(f)->rp++&_IO_CHMASK)
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extern int _IO_getc(FILE *f);
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extern int getchar(void);
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#define getchar() getc(stdin)
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extern char *gets(char *);
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extern int putc(int, FILE *);
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#define putc(c, f) ((f)->wp>=(f)->rp?_IO_putc(c, f):(int)(*(unsigned char*)(f)->wp++=(c)&_IO_CHMASK))
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extern int _IO_putc(int, FILE *);
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extern int putchar(int);
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#define putchar(c) putc(c, stdout)
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extern int puts(const char *);
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extern int ungetc(int, FILE *);
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extern size_t fread(void *, size_t, size_t, FILE *);
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extern size_t fwrite(const void *, size_t, size_t, FILE *);
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extern int fgetpos(FILE *, fpos_t *);
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extern int fseek(FILE *, long, int);
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extern int fseeko(FILE *, off_t, int);
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extern int fsetpos(FILE *, const fpos_t *);
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extern long ftell(FILE *);
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extern off_t ftello(FILE *);
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extern void rewind(FILE *);
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extern void clearerr(FILE *);
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extern int feof(FILE *);
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extern int ferror(FILE *);
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extern void perror(const char *);
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extern FILE _IO_stream[FOPEN_MAX];
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#ifdef _POSIX_SOURCE
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extern int fileno(FILE *);
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extern FILE* fdopen(int, const char*);
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extern char *ctermid(char *);
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#endif
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#ifdef _REENTRANT_SOURCE
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extern char *tmpnam_r(char *);
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extern char *ctermid_r(char *);
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#endif
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#ifdef _BSD_EXTENSION
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#pragma lib "/$M/lib/ape/libbsd.a"
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extern FILE *popen(char *, char *);
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extern int pclose(FILE *);
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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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