[BACK]Return to stdio.h CVS log [TXT][DIR] Up to [cvs.NetBSD.org] / src / include

Annotation of src/include/stdio.h, Revision 1.73

1.73    ! christos    1: /*     $NetBSD: stdio.h,v 1.72 2008/08/04 17:08:49 matt Exp $  */
1.14      cgd         2:
1.1       cgd         3: /*-
1.20      perry       4:  * Copyright (c) 1990, 1993
                      5:  *     The Regents of the University of California.  All rights reserved.
1.1       cgd         6:  *
                      7:  * This code is derived from software contributed to Berkeley by
                      8:  * Chris Torek.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
1.53      agc        18:  * 3. Neither the name of the University nor the names of its contributors
1.1       cgd        19:  *    may be used to endorse or promote products derived from this software
                     20:  *    without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     26:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  *
1.20      perry      34:  *     @(#)stdio.h     8.5 (Berkeley) 4/29/95
1.1       cgd        35:  */
                     36:
                     37: #ifndef        _STDIO_H_
                     38: #define        _STDIO_H_
                     39:
                     40: #include <sys/cdefs.h>
1.21      kleink     41: #include <sys/featuretest.h>
1.61      kleink     42: #include <sys/ansi.h>
1.1       cgd        43:
                     44: #include <machine/ansi.h>
1.12      cgd        45: #ifdef _BSD_SIZE_T_
                     46: typedef        _BSD_SIZE_T_    size_t;
                     47: #undef _BSD_SIZE_T_
1.1       cgd        48: #endif
                     49:
1.32      kleink     50: #include <sys/null.h>
1.1       cgd        51:
1.11      cgd        52: /*
                     53:  * This is fairly grotesque, but pure ANSI code must not inspect the
                     54:  * innards of an fpos_t anyway.  The library internally uses off_t,
                     55:  * which we assume is exactly as big as eight chars.
                     56:  */
1.37      mycroft    57: #if (!defined(_ANSI_SOURCE) && !defined(__STRICT_ANSI__)) || defined(_LIBC)
1.33      kleink     58: typedef __off_t fpos_t;
1.11      cgd        59: #else
                     60: typedef struct __sfpos {
1.33      kleink     61:        __off_t _pos;
1.11      cgd        62: } fpos_t;
                     63: #endif
1.1       cgd        64:
                     65: #define        _FSTDIO                 /* Define for new stdio with functions. */
                     66:
                     67: /*
                     68:  * NB: to fit things in six character monocase externals, the stdio
                     69:  * code uses the prefix `__s' for stdio objects, typically followed
                     70:  * by a three-character attempt at a mnemonic.
                     71:  */
                     72:
                     73: /* stdio buffers */
                     74: struct __sbuf {
                     75:        unsigned char *_base;
                     76:        int     _size;
                     77: };
                     78:
                     79: /*
                     80:  * stdio state variables.
                     81:  *
                     82:  * The following always hold:
                     83:  *
                     84:  *     if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
                     85:  *             _lbfsize is -_bf._size, else _lbfsize is 0
                     86:  *     if _flags&__SRD, _w is 0
                     87:  *     if _flags&__SWR, _r is 0
                     88:  *
                     89:  * This ensures that the getc and putc macros (or inline functions) never
                     90:  * try to write or read from a file that is in `read' or `write' mode.
                     91:  * (Moreover, they can, and do, automatically switch from read mode to
                     92:  * write mode, and back, on "r+" and "w+" files.)
                     93:  *
                     94:  * _lbfsize is used only to make the inline line-buffered output stream
                     95:  * code as compact as possible.
                     96:  *
                     97:  * _ub, _up, and _ur are used when ungetc() pushes back more characters
                     98:  * than fit in the current _bf, or when ungetc() pushes back a character
                     99:  * that does not match the previous one in _bf.  When this happens,
                    100:  * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
                    101:  * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
1.20      perry     102:  *
                    103:  * NB: see WARNING above before changing the layout of this structure!
1.1       cgd       104:  */
                    105: typedef        struct __sFILE {
                    106:        unsigned char *_p;      /* current position in (some) buffer */
                    107:        int     _r;             /* read space left for getc() */
                    108:        int     _w;             /* write space left for putc() */
1.65      christos  109:        unsigned short _flags;  /* flags, below; this FILE is free if 0 */
1.1       cgd       110:        short   _file;          /* fileno, if Unix descriptor, else -1 */
                    111:        struct  __sbuf _bf;     /* the buffer (at least 1 byte, if !NULL) */
                    112:        int     _lbfsize;       /* 0 or -_bf._size, for inline putc */
                    113:
                    114:        /* operations */
                    115:        void    *_cookie;       /* cookie passed to io functions */
1.57      perry     116:        int     (*_close)(void *);
                    117:        int     (*_read) (void *, char *, int);
                    118:        fpos_t  (*_seek) (void *, fpos_t, int);
                    119:        int     (*_write)(void *, const char *, int);
1.1       cgd       120:
1.42      yamt      121:        /* file extension */
                    122:        struct  __sbuf _ext;
                    123:
1.1       cgd       124:        /* separate buffer for long sequences of ungetc() */
                    125:        unsigned char *_up;     /* saved _p when _p is doing ungetc data */
                    126:        int     _ur;            /* saved _r when _r is counting ungetc data */
                    127:
                    128:        /* tricks to meet minimum requirements even when malloc() fails */
                    129:        unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
                    130:        unsigned char _nbuf[1]; /* guarantee a getc() buffer */
                    131:
1.10      cgd       132:        /* separate buffer for fgetln() when line crosses buffer boundary */
                    133:        struct  __sbuf _lb;     /* buffer for fgetln() */
1.1       cgd       134:
                    135:        /* Unix stdio files get aligned to block boundaries on fseek() */
                    136:        int     _blksize;       /* stat.st_blksize (may be != _bf._size) */
1.11      cgd       137:        fpos_t  _offset;        /* current lseek offset */
1.1       cgd       138: } FILE;
                    139:
                    140: __BEGIN_DECLS
                    141: extern FILE __sF[];
                    142: __END_DECLS
                    143:
                    144: #define        __SLBF  0x0001          /* line buffered */
                    145: #define        __SNBF  0x0002          /* unbuffered */
                    146: #define        __SRD   0x0004          /* OK to read */
                    147: #define        __SWR   0x0008          /* OK to write */
                    148:        /* RD and WR are never simultaneously asserted */
                    149: #define        __SRW   0x0010          /* open for reading & writing */
                    150: #define        __SEOF  0x0020          /* found EOF */
                    151: #define        __SERR  0x0040          /* found error */
                    152: #define        __SMBF  0x0080          /* _buf is from malloc */
                    153: #define        __SAPP  0x0100          /* fdopen()ed in append mode */
                    154: #define        __SSTR  0x0200          /* this is an sprintf/snprintf string */
1.36      enami     155: #define        __SOPT  0x0400          /* do fseek() optimization */
                    156: #define        __SNPT  0x0800          /* do not do fseek() optimization */
1.1       cgd       157: #define        __SOFF  0x1000          /* set iff _offset is in fact correct */
1.10      cgd       158: #define        __SMOD  0x2000          /* true => fgetln modified _p text */
1.27      perry     159: #define        __SALC  0x4000          /* allocate string space dynamically */
1.1       cgd       160:
                    161: /*
                    162:  * The following three definitions are for ANSI C, which took them
                    163:  * from System V, which brilliantly took internal interface macros and
                    164:  * made them official arguments to setvbuf(), without renaming them.
                    165:  * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
                    166:  *
                    167:  * Although numbered as their counterparts above, the implementation
                    168:  * does not rely on this.
                    169:  */
                    170: #define        _IOFBF  0               /* setvbuf should set fully buffered */
                    171: #define        _IOLBF  1               /* setvbuf should set line buffered */
                    172: #define        _IONBF  2               /* setvbuf should set unbuffered */
                    173:
                    174: #define        BUFSIZ  1024            /* size of buffer used by setbuf */
                    175: #define        EOF     (-1)
                    176:
                    177: /*
1.20      perry     178:  * FOPEN_MAX is a minimum maximum, and is the number of streams that
                    179:  * stdio can provide without attempting to allocate further resources
                    180:  * (which could fail).  Do not use this for anything.
1.1       cgd       181:  */
1.20      perry     182:                                /* must be == _POSIX_STREAM_MAX <limits.h> */
1.1       cgd       183: #define        FOPEN_MAX       20      /* must be <= OPEN_MAX <sys/syslimits.h> */
                    184: #define        FILENAME_MAX    1024    /* must be <= PATH_MAX <sys/syslimits.h> */
                    185:
                    186: /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
1.52      bjh21     187: #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
1.1       cgd       188: #define        P_tmpdir        "/var/tmp/"
                    189: #endif
                    190: #define        L_tmpnam        1024    /* XXX must be == PATH_MAX */
1.49      christos  191: /* Always ensure that this is consistent with <limits.h> */
                    192: #ifndef TMP_MAX
                    193: #define TMP_MAX                        308915776       /* Legacy */
                    194: #endif
1.1       cgd       195:
1.22      kleink    196: /* Always ensure that these are consistent with <fcntl.h> and <unistd.h>! */
1.1       cgd       197: #ifndef SEEK_SET
                    198: #define        SEEK_SET        0       /* set file offset to offset */
                    199: #endif
                    200: #ifndef SEEK_CUR
                    201: #define        SEEK_CUR        1       /* set file offset to current plus offset */
                    202: #endif
                    203: #ifndef SEEK_END
                    204: #define        SEEK_END        2       /* set file offset to EOF plus offset */
                    205: #endif
                    206:
                    207: #define        stdin   (&__sF[0])
                    208: #define        stdout  (&__sF[1])
                    209: #define        stderr  (&__sF[2])
                    210:
                    211: /*
                    212:  * Functions defined in ANSI C standard.
                    213:  */
                    214: __BEGIN_DECLS
1.57      perry     215: void    clearerr(FILE *);
                    216: int     fclose(FILE *);
                    217: int     feof(FILE *);
                    218: int     ferror(FILE *);
                    219: int     fflush(FILE *);
                    220: int     fgetc(FILE *);
                    221: int     fgetpos(FILE * __restrict, fpos_t * __restrict);
                    222: char   *fgets(char * __restrict, int, FILE * __restrict);
1.59      kleink    223: FILE   *fopen(const char * __restrict , const char * __restrict);
1.73    ! christos  224: int     fprintf(FILE * __restrict , const char * __restrict, ...)
        !           225:     __attribute__((__format__(__printf__, 2, 3)));
1.57      perry     226: int     fputc(int, FILE *);
                    227: int     fputs(const char * __restrict, FILE * __restrict);
                    228: size_t  fread(void * __restrict, size_t, size_t, FILE * __restrict);
1.59      kleink    229: FILE   *freopen(const char * __restrict, const char * __restrict,
                    230:            FILE * __restrict);
1.73    ! christos  231: int     fscanf(FILE * __restrict, const char * __restrict, ...)
        !           232:     __attribute__((__format__(__scanf__, 2, 3)));
1.57      perry     233: int     fseek(FILE *, long, int);
                    234: int     fsetpos(FILE *, const fpos_t *);
                    235: long    ftell(FILE *);
                    236: size_t  fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
                    237: int     getc(FILE *);
                    238: int     getchar(void);
                    239: void    perror(const char *);
1.73    ! christos  240: int     printf(const char * __restrict, ...)
        !           241:     __attribute__((__format__(__printf__, 1, 2)));
1.57      perry     242: int     putc(int, FILE *);
                    243: int     putchar(int);
                    244: int     puts(const char *);
                    245: int     remove(const char *);
                    246: void    rewind(FILE *);
1.73    ! christos  247: int     scanf(const char * __restrict, ...)
        !           248:     __attribute__((__format__(__scanf__, 1, 2)));
1.57      perry     249: void    setbuf(FILE * __restrict, char * __restrict);
                    250: int     setvbuf(FILE * __restrict, char * __restrict, int, size_t);
1.73    ! christos  251: int     sscanf(const char * __restrict, const char * __restrict, ...)
        !           252:     __attribute__((__format__(__scanf__, 2, 3)));
1.57      perry     253: FILE   *tmpfile(void);
                    254: int     ungetc(int, FILE *);
1.73    ! christos  255: int     vfprintf(FILE * __restrict, const char * __restrict, _BSD_VA_LIST_)
        !           256:     __attribute__((__format__(__printf__, 2, 0)));
        !           257: int     vprintf(const char * __restrict, _BSD_VA_LIST_)
        !           258:     __attribute__((__format__(__printf__, 1, 0)));
1.24      mycroft   259:
                    260: #ifndef __AUDIT__
1.57      perry     261: char   *gets(char *);
1.73    ! christos  262: int     sprintf(char * __restrict, const char * __restrict, ...)
        !           263:     __attribute__((__format__(__printf__, 2, 3)));
1.57      perry     264: char   *tmpnam(char *);
                    265: int     vsprintf(char * __restrict, const char * __restrict,
1.73    ! christos  266:     _BSD_VA_LIST_)
        !           267:     __attribute__((__format__(__printf__, 2, 0)));
1.24      mycroft   268: #endif
1.21      kleink    269:
                    270: #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
1.57      perry     271: int     rename (const char *, const char *) __RENAME(__posix_rename);
1.21      kleink    272: #else
1.57      perry     273: int     rename (const char *, const char *);
1.21      kleink    274: #endif
1.1       cgd       275: __END_DECLS
                    276:
                    277: /*
1.29      kleink    278:  * IEEE Std 1003.1-90
1.1       cgd       279:  */
1.51      bjh21     280: #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
                    281:     defined(_NETBSD_SOURCE)
1.1       cgd       282: #define        L_ctermid       1024    /* size for ctermid(); PATH_MAX */
1.7       jtc       283: #define L_cuserid      9       /* size for cuserid(); UT_NAMESIZE + 1 */
1.1       cgd       284:
                    285: __BEGIN_DECLS
1.57      perry     286: char   *ctermid(char *);
1.40      christos  287: #ifndef __CUSERID_DECLARED
                    288: #define __CUSERID_DECLARED
                    289: /* also declared in unistd.h */
1.57      perry     290: char   *cuserid(char *);
1.40      christos  291: #endif /* __CUSERID_DECLARED */
1.57      perry     292: FILE   *fdopen(int, const char *);
                    293: int     fileno(FILE *);
1.1       cgd       294: __END_DECLS
                    295: #endif /* not ANSI */
                    296:
1.29      kleink    297: /*
                    298:  * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
                    299:  */
1.51      bjh21     300: #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
                    301:     defined(_REENTRANT) || defined(_NETBSD_SOURCE)
1.29      kleink    302: __BEGIN_DECLS
1.57      perry     303: void   flockfile(FILE *);
                    304: int    ftrylockfile(FILE *);
                    305: void   funlockfile(FILE *);
                    306: int    getc_unlocked(FILE *);
                    307: int    getchar_unlocked(void);
                    308: int    putc_unlocked(int, FILE *);
                    309: int    putchar_unlocked(int);
1.29      kleink    310: __END_DECLS
1.51      bjh21     311: #endif /* _POSIX_C_SOURCE >= 1995056 || _XOPEN_SOURCE >= 500 || ... */
1.19      jtc       312:
1.1       cgd       313: /*
1.29      kleink    314:  * Functions defined in POSIX 1003.2 and XPG2 or later.
1.1       cgd       315:  */
1.51      bjh21     316: #if (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 2 || \
                    317:     defined(_NETBSD_SOURCE)
1.1       cgd       318: __BEGIN_DECLS
1.57      perry     319: int     pclose(FILE *);
                    320: FILE   *popen(const char *, const char *);
1.22      kleink    321: __END_DECLS
                    322: #endif
                    323:
                    324: /*
1.60      kleink    325:  * Functions defined in ISO XPG4.2, ISO C99, POSIX 1003.1-2001 or later.
                    326:  */
1.67      bjh21     327: #if ((__STDC_VERSION__ - 0) >= 199901L) || \
1.60      kleink    328:     ((_POSIX_C_SOURCE - 0) >= 200112L) || \
                    329:     (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
                    330:     ((_XOPEN_SOURCE - 0) >= 500) || \
                    331:     defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
1.64      mrg       332: __BEGIN_DECLS
1.60      kleink    333: int     snprintf(char * __restrict, size_t, const char * __restrict, ...)
1.73    ! christos  334:     __attribute__((__format__(__printf__, 3, 4)));
1.60      kleink    335: int     vsnprintf(char * __restrict, size_t, const char * __restrict,
                    336:            _BSD_VA_LIST_)
1.73    ! christos  337:     __attribute__((__format__(__printf__, 3, 0)));
1.64      mrg       338: __END_DECLS
1.60      kleink    339: #endif
                    340:
                    341: /*
1.22      kleink    342:  * Functions defined in XPG4.2.
                    343:  */
1.51      bjh21     344: #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
1.22      kleink    345: __BEGIN_DECLS
1.57      perry     346: int     getw(FILE *);
                    347: int     putw(int, FILE *);
1.24      mycroft   348:
                    349: #ifndef __AUDIT__
1.57      perry     350: char   *tempnam(const char *, const char *);
1.24      mycroft   351: #endif
1.22      kleink    352: __END_DECLS
                    353: #endif
1.34      kleink    354:
                    355: /*
                    356:  * X/Open CAE Specification Issue 5 Version 2
                    357:  */
1.51      bjh21     358: #if (_XOPEN_SOURCE - 0) >= 500 || defined(_LARGEFILE_SOURCE) || \
                    359:     defined(_NETBSD_SOURCE)
1.34      kleink    360: #ifndef        off_t
                    361: typedef        __off_t         off_t;
1.38      kleink    362: #define        off_t           __off_t
1.35      drochner  363: #endif /* off_t */
1.34      kleink    364:
1.36      enami     365: __BEGIN_DECLS
1.57      perry     366: int     fseeko(FILE *, off_t, int);
                    367: off_t   ftello(FILE *);
1.36      enami     368: __END_DECLS
1.51      bjh21     369: #endif /* _XOPEN_SOURCE >= 500 || _LARGEFILE_SOURCE || _NETBSD_SOURCE */
1.22      kleink    370:
                    371: /*
1.72      matt      372:  * Functions defined in ISO C99.  Still put under _NETBSD_SOURCE due to
                    373:  * backward compatible.
                    374:  */
                    375: #if defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
                    376: __BEGIN_DECLS
                    377: int     vscanf(const char * __restrict, _BSD_VA_LIST_)
1.73    ! christos  378:     __attribute__((__format__(__scanf__, 1, 0)));
1.72      matt      379: int     vfscanf(FILE * __restrict, const char * __restrict, _BSD_VA_LIST_)
1.73    ! christos  380:     __attribute__((__format__(__scanf__, 2, 0)));
1.72      matt      381: int     vsscanf(const char * __restrict, const char * __restrict,
1.73    ! christos  382:     _BSD_VA_LIST_)
        !           383:     __attribute__((__format__(__scanf__, 2, 0)));
1.72      matt      384: __END_DECLS
                    385: #endif /* _ISOC99_SOURCE || _NETBSD_SOURCE */
                    386:
                    387: /*
1.22      kleink    388:  * Routines that are purely local.
                    389:  */
1.51      bjh21     390: #if defined(_NETBSD_SOURCE)
1.46      lukem     391:
                    392: #define        FPARSELN_UNESCESC       0x01
                    393: #define        FPARSELN_UNESCCONT      0x02
                    394: #define        FPARSELN_UNESCCOMM      0x04
                    395: #define        FPARSELN_UNESCREST      0x08
                    396: #define        FPARSELN_UNESCALL       0x0f
                    397:
1.22      kleink    398: __BEGIN_DECLS
1.57      perry     399: int     asprintf(char ** __restrict, const char * __restrict, ...)
1.73    ! christos  400:     __attribute__((__format__(__printf__, 2, 3)));
1.57      perry     401: char   *fgetln(FILE * __restrict, size_t * __restrict);
1.46      lukem     402: char   *fparseln(FILE *, size_t *, size_t *, const char[3], int);
1.57      perry     403: int     fpurge(FILE *);
                    404: void    setbuffer(FILE *, char *, int);
                    405: int     setlinebuf(FILE *);
                    406: int     vasprintf(char ** __restrict, const char * __restrict,
1.73    ! christos  407:     _BSD_VA_LIST_)
        !           408:     __attribute__((__format__(__printf__, 2, 0)));
1.62      perry     409: const char *fmtcheck(const char *, const char *)
1.73    ! christos  410:     __attribute__((__format_arg__(2)));
1.1       cgd       411: __END_DECLS
                    412:
                    413: /*
                    414:  * Stdio function-access interface.
                    415:  */
                    416: __BEGIN_DECLS
1.57      perry     417: FILE   *funopen(const void *,
1.1       cgd       418:                int (*)(void *, char *, int),
                    419:                int (*)(void *, const char *, int),
                    420:                fpos_t (*)(void *, fpos_t, int),
1.57      perry     421:                int (*)(void *));
1.1       cgd       422: __END_DECLS
                    423: #define        fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
                    424: #define        fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
1.51      bjh21     425: #endif /* _NETBSD_SOURCE */
1.1       cgd       426:
                    427: /*
                    428:  * Functions internal to the implementation.
                    429:  */
                    430: __BEGIN_DECLS
1.57      perry     431: int    __srget(FILE *);
                    432: int    __swbuf(int, FILE *);
1.1       cgd       433: __END_DECLS
                    434:
                    435: /*
                    436:  * The __sfoo macros are here so that we can
                    437:  * define function versions in the C library.
                    438:  */
                    439: #define        __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
                    440: #if defined(__GNUC__) && defined(__STDC__)
1.63      perry     441: static __inline int __sputc(int _c, FILE *_p) {
1.1       cgd       442:        if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
                    443:                return (*_p->_p++ = _c);
                    444:        else
                    445:                return (__swbuf(_c, _p));
                    446: }
                    447: #else
                    448: /*
                    449:  * This has been tuned to generate reasonable code on the vax using pcc.
                    450:  */
                    451: #define        __sputc(c, p) \
                    452:        (--(p)->_w < 0 ? \
                    453:                (p)->_w >= (p)->_lbfsize ? \
                    454:                        (*(p)->_p = (c)), *(p)->_p != '\n' ? \
                    455:                                (int)*(p)->_p++ : \
                    456:                                __swbuf('\n', p) : \
                    457:                        __swbuf((int)(c), p) : \
                    458:                (*(p)->_p = (c), (int)*(p)->_p++))
                    459: #endif
                    460:
                    461: #define        __sfeof(p)      (((p)->_flags & __SEOF) != 0)
                    462: #define        __sferror(p)    (((p)->_flags & __SERR) != 0)
                    463: #define        __sclearerr(p)  ((void)((p)->_flags &= ~(__SERR|__SEOF)))
1.71      christos  464: #define        __sfileno(p)    \
                    465:     ((p)->_file == -1 ? -1 : (int)(unsigned short)(p)->_file)
1.1       cgd       466:
1.56      kleink    467: #ifndef __lint__
1.50      kleink    468: #if !defined(_REENTRANT) && !defined(_PTHREADS)
1.1       cgd       469: #define        feof(p)         __sfeof(p)
                    470: #define        ferror(p)       __sferror(p)
                    471: #define        clearerr(p)     __sclearerr(p)
                    472:
                    473: #define        getc(fp)        __sgetc(fp)
                    474: #define putc(x, fp)    __sputc(x, fp)
1.50      kleink    475: #endif /* !_REENTRANT && !_PTHREADS */
1.56      kleink    476: #endif /* __lint__ */
1.1       cgd       477:
                    478: #define        getchar()       getc(stdin)
                    479: #define        putchar(x)      putc(x, stdout)
1.19      jtc       480:
1.51      bjh21     481: #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
                    482:     defined(_NETBSD_SOURCE)
1.50      kleink    483: #if !defined(_REENTRANT) && !defined(_PTHREADS)
1.19      jtc       484: #define        fileno(p)       __sfileno(p)
1.50      kleink    485: #endif /* !_REENTRANT && !_PTHREADS */
1.30      kleink    486: #endif /* !_ANSI_SOURCE */
1.19      jtc       487:
1.51      bjh21     488: #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
                    489:     defined(_REENTRANT) || defined(_NETBSD_SOURCE)
1.19      jtc       490: #define getc_unlocked(fp)      __sgetc(fp)
                    491: #define putc_unlocked(x, fp)   __sputc(x, fp)
                    492:
                    493: #define getchar_unlocked()     getc_unlocked(stdin)
                    494: #define putchar_unlocked(x)    putc_unlocked(x, stdout)
1.51      bjh21     495: #endif /* _POSIX_C_SOURCE >= 199506 || _XOPEN_SOURCE >= 500 || _REENTRANT... */
1.19      jtc       496:
1.70      kristerw  497: #if _FORTIFY_SOURCE > 0
1.69      tls       498: #include <ssp/stdio.h>
1.70      kristerw  499: #endif
1.69      tls       500:
1.1       cgd       501: #endif /* _STDIO_H_ */

CVSweb <webmaster@jp.NetBSD.org>