예제 #1
0
파일: ungetwc.c 프로젝트: anithag/kleestr
wint_t ungetwc(wint_t c, register FILE *stream)
{
	__STDIO_AUTO_THREADLOCK_VAR;

	__STDIO_AUTO_THREADLOCK(stream);
	__STDIO_STREAM_VALIDATE(stream); /* debugging only */

	/* Note: Even if c == WEOF, we need to initialize/verify the
	 * stream's orientation and ensure the stream is in reading
	 * mode (if readable and properly oriented). */
	if ((!__STDIO_STREAM_IS_WIDE_READING(stream)
		 && __STDIO_STREAM_TRANS_TO_READ(stream, __FLAG_WIDE))
		|| ((stream->__modeflags & __FLAG_UNGOT)
			&& ((stream->__modeflags & 1) || stream->__ungot[1]))
		|| (c == WEOF)
		) {
		c = WEOF;
	} else {
		/* In the wide case, getc macros should already be disabled. */
		/* 	__STDIO_STREAM_DISABLE_GETC(stream); */

		/* Flag this as a user ungot, as scanf does the necessary fixup. */
		stream->__ungot[1] = 1;
		stream->__ungot[(++stream->__modeflags) & 1] = c;
		/* Note: ungot_width is handled by fgetwc. */

		__STDIO_STREAM_CLEAR_EOF(stream); /* Must clear end-of-file flag. */
	}

	__STDIO_STREAM_VALIDATE(stream);
	__STDIO_AUTO_THREADUNLOCK(stream);

	return c;
}
예제 #2
0
int FSEEK(register FILE *stream, OFFSET_TYPE offset, int whence)
{
#if defined(__UCLIBC_HAS_LFS__) && !defined(__DO_LARGEFILE)

	return fseeko64(stream, offset, whence);

#else

	__offmax_t pos = offset;
	int retval = -1;
	__STDIO_AUTO_THREADLOCK_VAR;

	if (((unsigned int) whence) > 2) {
		__set_errno(EINVAL);
	} else {
		__STDIO_AUTO_THREADLOCK(stream);

		__STDIO_STREAM_VALIDATE(stream);

		if ((!__STDIO_STREAM_IS_WRITING(stream)
			  || !__STDIO_COMMIT_WRITE_BUFFER(stream))
			&& ((whence != SEEK_CUR)
				 || (__stdio_adjust_position(stream, &pos) >= 0))
			&& (__SEEK(stream, &pos, whence) >= 0)
			) {

			/* Clear reading/writing modes, EOF, and ungots. */
			stream->__modeflags &=
				~(__MASK_READING|__FLAG_WRITING|__FLAG_EOF);

			/* Make sure all pointers are reset. */
			__STDIO_STREAM_INIT_BUFREAD_BUFPOS(stream);
			__STDIO_STREAM_DISABLE_GETC(stream);
			__STDIO_STREAM_DISABLE_PUTC(stream);

			/* We reinitialize the mbstate object.  Doing so is
			 * implementation defined behavior. */
#ifdef __STDIO_MBSTATE
			__INIT_MBSTATE(&(stream->__state));
#endif
#ifdef __UCLIBC_HAS_WCHAR__
			stream->__ungot_width[0] = 0;
#endif

			retval = 0;
		}

		__STDIO_STREAM_VALIDATE(stream);

		__STDIO_AUTO_THREADUNLOCK(stream);
	}

	return retval;

#endif
}
예제 #3
0
파일: ungetc.c 프로젝트: anithag/kleestr
int ungetc(int c, register FILE *stream)
{
	__STDIO_AUTO_THREADLOCK_VAR;

	__STDIO_AUTO_THREADLOCK(stream);
	__STDIO_STREAM_VALIDATE(stream);

#ifdef __UCLIBC_MJN3_ONLY__
#warning CONSIDER: Make fast ungetc an option?
#endif
#ifdef __UCLIBC_HAS_STDIO_GETC_MACRO__
	/* If buffered narrow reading with no ungot slots filled, and if not
	 * ungetting a different char than the one last read from the buffer,
	 * we can simply decrement the position and not worry about disabling
	 * the getc macros.  This will cut down on overhead in applications
	 * that use getc/ungetc extensively (like gcc). */
	/* NOTE: If we can use getc, then we are buffered narrow reading with
	 * no ungot slots filled. */
	if (__STDIO_STREAM_CAN_USE_BUFFER_GET(stream)
		&& (c != EOF)
		&& (stream->__bufpos > stream->__bufstart)
		&& (stream->__bufpos[-1] == ((unsigned char)c))
		) {
		--stream->__bufpos;
		__STDIO_STREAM_CLEAR_EOF(stream); /* Must clear end-of-file flag. */
	} else
#endif
	/* Note: Even if c == EOF, we need to initialize/verify the
	 * stream's orientation and ensure the stream is in reading
	 * mode (if readable and properly oriented). */
	if ((!__STDIO_STREAM_IS_NARROW_READING(stream)
		 && __STDIO_STREAM_TRANS_TO_READ(stream, __FLAG_NARROW))
		|| ((stream->__modeflags & __FLAG_UNGOT)
			&& ((stream->__modeflags & 1) || stream->__ungot[1]))
		) {
		c = EOF;
	} else if (c != EOF) {
		__STDIO_STREAM_DISABLE_GETC(stream);

		/* Flag this as a user ungot, as scanf does the necessary fixup. */
		stream->__ungot[1] = 1;
		stream->__ungot[(++stream->__modeflags) & 1] = c;

		__STDIO_STREAM_CLEAR_EOF(stream); /* Must clear end-of-file flag. */
	}

	__STDIO_STREAM_VALIDATE(stream);
	__STDIO_AUTO_THREADUNLOCK(stream);

	return c;
}
예제 #4
0
파일: ftello.c 프로젝트: prajwal83/upanapps
OFFSET_TYPE_T FTELL(register FILE *stream)
{
#if defined(__UCLIBC_HAS_LFS__) && !defined(__DO_LARGEFILE)

	__offmax_t pos = __ftello64(stream);

	if ((sizeof(long) >= sizeof(__offmax_t)) || (((long) pos) == pos)) {
		return ((long) pos);
	} else {
		__set_errno(EOVERFLOW);
		return -1;
	}

#else

	__offmax_t pos = 0;
	__STDIO_AUTO_THREADLOCK_VAR;

	__STDIO_AUTO_THREADLOCK(stream);

	__STDIO_STREAM_VALIDATE(stream);

	if ((__SEEK(stream, &pos, SEEK_CUR) < 0)
		|| (__stdio_adjust_position(stream, &pos) < 0)) {
		pos = -1;
	}

	__STDIO_AUTO_THREADUNLOCK(stream);

	return pos;

#endif
}
예제 #5
0
FILE *fmemopen(void *s, size_t len, const char *modes)
{
	FILE *fp;
	register __fmo_cookie *cookie;
	size_t i;

	if ((cookie = malloc(sizeof(__fmo_cookie))) != NULL) {
		cookie->len = len;
		cookie->eof = cookie->pos = 0; /* pos and eof adjusted below. */
		cookie->dynbuf = 0;
		if (((cookie->buf = s) == NULL) && (len > 0)) {
			if ((cookie->buf = malloc(len)) == NULL) {
				goto EXIT_cookie;
			}
			cookie->dynbuf = 1;
			*cookie->buf = 0;	/* If we're appending, treat as empty file. */
		}

#ifndef __BCC__
		fp = fopencookie(cookie, modes, _fmo_io_funcs);
#else
		fp = fopencookie(cookie, modes, &_fmo_io_funcs);
#endif
		/* Note: We don't need to worry about locking fp in the thread case
		 * as the only possible access would be a close or flush with
		 * nothing currently in the FILE's write buffer. */

		if (fp != NULL) {
			cookie->fp = fp;
			if (fp->__modeflags & __FLAG_READONLY) {
				cookie->eof = len;
			}
			if ((fp->__modeflags & __FLAG_APPEND) && (len > 0)) {
				for (i = 0 ; i < len ; i++) {
					if (cookie->buf[i] == 0) {
						break;
					}
				}
				cookie->eof = cookie->pos = i; /* Adjust eof and pos. */
			}

			__STDIO_STREAM_VALIDATE(fp);

			return fp;
		}
	}

	if (!s) {
		free(cookie->buf);
	}
 EXIT_cookie:
	free(cookie);

	return NULL;
}
예제 #6
0
void clearerr(register FILE *stream)
{
	__STDIO_AUTO_THREADLOCK_VAR;

	__STDIO_AUTO_THREADLOCK(stream);

	__STDIO_STREAM_VALIDATE(stream);

	__CLEARERR_UNLOCKED(stream);

	__STDIO_AUTO_THREADUNLOCK(stream);
}
예제 #7
0
size_t __stdio_READ(register FILE *stream,
					unsigned char *buf, size_t bufsize)
{
	ssize_t rv = 0;

	__STDIO_STREAM_VALIDATE(stream);
	assert(stream->__filedes >= -1);
	assert(__STDIO_STREAM_IS_READING(stream));
	assert(!__STDIO_STREAM_BUFFER_RAVAIL(stream)); /* Buffer must be empty. */
	assert(!(stream->__modeflags & __FLAG_UNGOT));
	assert(bufsize);

	if (!__FEOF_UNLOCKED(stream)) {
		if (bufsize > SSIZE_MAX) {
			bufsize = SSIZE_MAX;
		}

#ifdef __UCLIBC_MJN3_ONLY__
#warning EINTR?
#endif
/* 	RETRY: */
		if ((rv = __READ(stream, buf, bufsize)) <= 0) {
			if (rv == 0) {
				__STDIO_STREAM_SET_EOF(stream);
			} else {
/* 				if (errno == EINTR) goto RETRY; */
				__STDIO_STREAM_SET_ERROR(stream);
				rv = 0;
			}
#ifdef __UCLIBC_MJN3_ONLY__
#warning TODO: Make custom stream read return check optional.
#endif
#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
		} else {
			assert(rv <= bufsize);
			if (rv > bufsize) {	/* Read more than bufsize! */
				abort();
			}
#endif
		}
	}

	return rv;
}
예제 #8
0
파일: fwide.c 프로젝트: 16rd/rt-n56u
int fwide(register FILE *stream, int mode)
{
	__STDIO_AUTO_THREADLOCK_VAR;

	__STDIO_AUTO_THREADLOCK(stream);

	__STDIO_STREAM_VALIDATE(stream);

	if (mode && !(stream->__modeflags & (__FLAG_WIDE|__FLAG_NARROW))) {
		stream->__modeflags |= ((mode > 0) ? __FLAG_WIDE : __FLAG_NARROW);
	}

	mode = (stream->__modeflags & __FLAG_WIDE)
		- (stream->__modeflags & __FLAG_NARROW);

	assert((stream->__modeflags & (__FLAG_WIDE|__FLAG_NARROW))
		   != (__FLAG_WIDE|__FLAG_NARROW));
	__STDIO_AUTO_THREADUNLOCK(stream);

	return mode;
}
예제 #9
0
파일: fgetwc.c 프로젝트: anithag/kleestr
wint_t fgetwc_unlocked(register FILE *stream)
{
	wint_t wi;
	wchar_t wc[1];
	int n;
	size_t r;
	unsigned char sbuf[1];

	__STDIO_STREAM_VALIDATE(stream);

	wi = WEOF;					/* Prepare for failure. */

	if (__STDIO_STREAM_IS_WIDE_READING(stream)
		|| !__STDIO_STREAM_TRANS_TO_READ(stream, __FLAG_WIDE)
		) {
		if (stream->__modeflags & __FLAG_UNGOT) { /* Any ungetwc()s? */
			if (((stream->__modeflags & 1) || stream->__ungot[1])) {
				stream->__ungot_width[0] = 0;	/* Application ungot... */
			} else {			/* scanf ungot */
				stream->__ungot_width[0] = stream->__ungot_width[1];
			}

			wi = stream->__ungot[(stream->__modeflags--) & 1];
			stream->__ungot[1] = 0;
			goto DONE;
		}

		if (!stream->__bufstart) {	/* Ugh... stream isn't buffered! */
			/* Munge the stream temporarily to use a 1-byte buffer. */
			munge_stream(stream, sbuf);
			++stream->__bufend;
		}

		if (stream->__state.__mask == 0) { /* If last was a complete char */
			stream->__ungot_width[0] = 0; /* then reset the width. */
		}

	LOOP:
		if ((n = __STDIO_STREAM_BUFFER_RAVAIL(stream)) == 0) {
			goto FILL_BUFFER;
		}

		r = mbrtowc(wc, stream->__bufpos, n, &stream->__state);
		if (((ssize_t) r) >= 0) { /* Success... */
			if (r == 0) { /* Nul wide char... means 0 byte for us so */
				++r;	 /* increment r and handle below as single. */
			}
			stream->__bufpos += r;
			stream->__ungot_width[0] += r;
			wi = *wc;
			goto DONE;
		}

		if (r == ((size_t) -2)) {
			/* Potentially valid but incomplete and no more buffered. */
			stream->__bufpos += n; /* Update bufpos for stream. */
			stream->__ungot_width[0] += n;
		FILL_BUFFER:
			if(__STDIO_FILL_READ_BUFFER(stream)) { /* Refill succeeded? */
				goto LOOP;
			}
			if (!__FERROR_UNLOCKED(stream)) { /* EOF with no error. */
				if (!stream->__state.__mask) { /* No partial wchar. */
					goto DONE;
				}
				/* EOF but partially complete wchar. */
				/* TODO: should EILSEQ be set? */
				__set_errno(EILSEQ);
			}
		}

		/* If we reach here, either r == ((size_t)-1) and mbrtowc set errno
		 * to EILSEQ, or r == ((size_t)-2) and stream is in an error state
		 * or at EOF with a partially complete wchar.  Make sure stream's
		 * error indicator is set. */
		stream->__modeflags |= __FLAG_ERROR;

	DONE:
		if (stream->__bufstart == sbuf) { /* Need to un-munge the stream. */
			munge_stream(stream, NULL);
		}

	}

	__STDIO_STREAM_VALIDATE(stream);

	return wi;
}
예제 #10
0
void __clearerr_unlocked(register FILE *stream)
{
	__STDIO_STREAM_VALIDATE(stream);

	__CLEARERR_UNLOCKED(stream);
}
예제 #11
0
파일: _WRITE.c 프로젝트: tgascoigne/ak
size_t attribute_hidden __stdio_WRITE(register FILE *stream,
                                      register const unsigned char *buf, size_t bufsize)
{
    size_t todo;
    ssize_t rv, stodo;

    __STDIO_STREAM_VALIDATE(stream);
    assert(stream->__filedes >= -1);
    assert(__STDIO_STREAM_IS_WRITING(stream));
    assert(!__STDIO_STREAM_BUFFER_WUSED(stream)); /* Buffer must be empty. */

    todo = bufsize;

    do {
        if (todo == 0) {		/* Done? */
            __STDIO_STREAM_VALIDATE(stream);
            return bufsize;
        }
        stodo = (todo <= SSIZE_MAX) ? todo : SSIZE_MAX;
        if ((rv = __WRITE(stream, (char *) buf, stodo)) >= 0) {
#ifdef __UCLIBC_MJN3_ONLY__
#warning TODO: Make custom stream write return check optional.
#endif
#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
            assert(rv <= stodo);
            if (rv > stodo) {	/* Wrote more than stodo! */
                /* 				abort(); */
            }
#endif
            todo -= rv;
            buf += rv;
        } else
#ifdef __UCLIBC_MJN3_ONLY__
#warning EINTR?
#endif
            /* 		if (errno != EINTR) */
        {
            __STDIO_STREAM_SET_ERROR(stream);

#ifdef __STDIO_BUFFERS
            if ((stodo = __STDIO_STREAM_BUFFER_SIZE(stream)) != 0) {
                unsigned char *s;

                if (stodo > todo) {
                    stodo = todo;
                }

                s  = stream->__bufstart;

                do {
                    if (((*s = *buf) == '\n')
                            && __STDIO_STREAM_IS_LBF(stream)
                       ) {
                        break;
                    }
                    ++s;
                    ++buf;
                } while (--stodo);

                stream->__bufpos = s;

                todo -= (s - stream->__bufstart);
            }
#endif /* __STDIO_BUFFERS */

            __STDIO_STREAM_VALIDATE(stream);
            return bufsize - todo;
        }
    } while (1);
}
예제 #12
0
int fflush_unlocked(register FILE *stream)
{
#ifdef __STDIO_BUFFERS

	int retval = 0;
#ifdef __UCLIBC_MJN3_ONLY__
#warning REMINDER: should probably define a modeflags type
#endif
	unsigned short bufmask = __FLAG_LBF;

#ifndef NDEBUG
	if ((stream != NULL) && (stream != (FILE *) &_stdio_openlist)) {
		__STDIO_STREAM_VALIDATE(stream); /* debugging only */
	}
#endif

	if (stream == (FILE *) &_stdio_openlist) { /* Flush all lbf streams. */
		stream = NULL;
		bufmask = 0;
	}

	if (!stream) {				/* Flush all (lbf) writing streams. */

		__STDIO_OPENLIST_INC_USE;

		__STDIO_THREADLOCK_OPENLIST_ADD;
		stream = _stdio_openlist;
		__STDIO_THREADUNLOCK_OPENLIST_ADD;

		while(stream) {
			/* We only care about currently writing streams and do not want to
			 * block trying to obtain mutexes on non-writing streams. */
#warning fix for nonatomic
#warning unnecessary check if no threads
			if (__STDIO_STREAM_IS_WRITING(stream)) { /* ONLY IF ATOMIC!!! */
				__MY_STDIO_THREADLOCK(stream);
				/* Need to check again once we have the lock. */
				if (!(((stream->__modeflags | bufmask)
					   ^ (__FLAG_WRITING|__FLAG_LBF)
					   ) & (__FLAG_WRITING|__MASK_BUFMODE))
					) {
					if (!__STDIO_COMMIT_WRITE_BUFFER(stream)) {
						__STDIO_STREAM_DISABLE_PUTC(stream);
						__STDIO_STREAM_CLEAR_WRITING(stream);
					} else {
						retval = EOF;
					}
				}
				__MY_STDIO_THREADUNLOCK(stream);
			}
			stream = stream->__nextopen;
		}

		__STDIO_OPENLIST_DEC_USE;

	} else if (__STDIO_STREAM_IS_WRITING(stream)) {
		if (!__STDIO_COMMIT_WRITE_BUFFER(stream)) {
			__STDIO_STREAM_DISABLE_PUTC(stream);
			__STDIO_STREAM_CLEAR_WRITING(stream);
		} else {
			retval = EOF;
		}
	}
#if 0
	else if (stream->__modeflags & (__MASK_READING|__FLAG_READONLY)) {
		/* ANSI/ISO says behavior in this case is undefined but also says you
		 * shouldn't flush a stream you were reading from.  As usual, glibc
		 * caters to broken programs and simply ignores this. */
		__UNDEFINED_OR_NONPORTABLE;
		__STDIO_STREAM_SET_ERROR(stream);
		__set_errno(EBADF);
		retval = EOF;
	}
#endif

#ifndef NDEBUG
	if ((stream != NULL) && (stream != (FILE *) &_stdio_openlist)) {
		__STDIO_STREAM_VALIDATE(stream); /* debugging only */
	}
#endif

	return retval;

#else  /* __STDIO_BUFFERS --------------------------------------- */

#ifndef NDEBUG
	if ((stream != NULL)
#ifdef __STDIO_HAS_OPENLIST
		&& (stream != (FILE *) &_stdio_openlist)
#endif
		) {
		__STDIO_STREAM_VALIDATE(stream); /* debugging only */
	}
#endif

#if 0
	if (stream && (stream->__modeflags & (__MASK_READING|__FLAG_READONLY))) {
		/* ANSI/ISO says behavior in this case is undefined but also says you
		 * shouldn't flush a stream you were reading from.  As usual, glibc
		 * caters to broken programs and simply ignores this. */
		__UNDEFINED_OR_NONPORTABLE;
		__STDIO_STREAM_SET_ERROR(stream);
		__set_errno(EBADF);
		return EOF;
	}
#endif

	return 0;
#endif /* __STDIO_BUFFERS */
}
예제 #13
0
int ftrylockfile(FILE *stream)
{
	__STDIO_STREAM_VALIDATE(stream);

	return __STDIO_ALWAYS_THREADTRYLOCK_CANCEL_UNSAFE(stream);
}
예제 #14
0
int __fputc_unlocked(int c, register FILE *stream)
{
	__STDIO_STREAM_VALIDATE(stream);

	/* First the fast path.  We're good to go if putc macro enabled. */
	if (__STDIO_STREAM_CAN_USE_BUFFER_ADD(stream)) {
		__STDIO_STREAM_BUFFER_ADD(stream, ((unsigned char) c));
		return (unsigned char) c;
	}

	/* Next quickest... writing and narrow oriented, but macro
	 * disabled and/or buffer is full. */
	if (__STDIO_STREAM_IS_NARROW_WRITING(stream)
		|| !__STDIO_STREAM_TRANS_TO_WRITE(stream, __FLAG_NARROW)
		) {
		if (__STDIO_STREAM_IS_FAKE_VSNPRINTF(stream)) {
			return (unsigned char) c;
		}

		if (__STDIO_STREAM_BUFFER_SIZE(stream)) { /* Do we have a buffer? */
			/* The buffer is full and/or the stream is line buffered. */
			if (!__STDIO_STREAM_BUFFER_WAVAIL(stream) /* Buffer full? */
				&& __STDIO_COMMIT_WRITE_BUFFER(stream) /* Commit failed! */
				) {
				goto BAD;
			}
#ifdef __UCLIBC_MJN3_ONLY__
#warning CONSIDER: Should we fail if the commit fails but we now have room?
#endif

			__STDIO_STREAM_BUFFER_ADD(stream, ((unsigned char) c));

			if (IS_STD_STREAM(stream))
			{
				if( __STDIO_COMMIT_WRITE_BUFFER(stream))
			   	{
					/* Commit failed! */
					__STDIO_STREAM_BUFFER_UNADD(stream); /* Undo the write! */
					goto BAD;
				}
			}
			else if (__STDIO_STREAM_IS_LBF(stream)) {
				if ((((unsigned char) c) == '\n')
					&& __STDIO_COMMIT_WRITE_BUFFER(stream)) {
					/* Commit failed! */
					__STDIO_STREAM_BUFFER_UNADD(stream); /* Undo the write! */
					goto BAD;
				}
			}
		} else {
			/* NOTE: Do not try to save space by moving uc to the top of
			 * the file, as that dramaticly increases runtime. */
			unsigned char uc = (unsigned char) c;
			if (! __stdio_WRITE(stream, &uc, 1)) {
				goto BAD;
			}
		}
		return (unsigned char) c;
	}

 BAD:
	return EOF;
}
예제 #15
0
int fclose(register FILE *stream)
{
    int rv = 0;
    __STDIO_AUTO_THREADLOCK_VAR;

#ifdef __STDIO_HAS_OPENLIST
#if !defined(__UCLIBC_HAS_THREADS__) || !defined(__STDIO_BUFFERS)
    /* First, remove the file from the open file list. */
    {
        FILE *ptr;

        __STDIO_THREADLOCK_OPENLIST_DEL;
        __STDIO_THREADLOCK_OPENLIST_ADD;
        ptr = _stdio_openlist;
        if ((ptr = _stdio_openlist) == stream) {
            _stdio_openlist = stream->__nextopen;
        } else {
            while (ptr) {
                if (ptr->__nextopen == stream) {
                    ptr->__nextopen = stream->__nextopen;
                    break;
                }
                ptr = ptr->__nextopen;
            }
        }
        __STDIO_THREADUNLOCK_OPENLIST_ADD;
        __STDIO_THREADUNLOCK_OPENLIST_DEL;
    }
#endif
#endif

    __STDIO_AUTO_THREADLOCK(stream);

    __STDIO_STREAM_VALIDATE(stream);

#ifdef __STDIO_BUFFERS
    /* Write any pending buffered chars. */
    if (__STDIO_STREAM_IS_WRITING(stream)) {
        rv = fflush_unlocked(stream);
    }
#endif

    if (__CLOSE(stream) < 0) {	/* Must close even if fflush failed. */
        rv = EOF;
    }

    stream->__filedes = -1;

    /* We need a way for freopen to know that a file has been closed.
     * Since a file can't be both readonly and writeonly, that makes
     * an effective signal.  It also has the benefit of disabling
     * transitions to either reading or writing. */
#if defined(__UCLIBC_HAS_THREADS__) && defined(__STDIO_BUFFERS)
    /* Before we mark the file as closed, make sure we increment the openlist use count
     * so it isn't freed under us while still cleaning up. */
    __STDIO_OPENLIST_INC_USE;
#endif
    stream->__modeflags &= (__FLAG_FREEBUF|__FLAG_FREEFILE);
    stream->__modeflags |= (__FLAG_READONLY|__FLAG_WRITEONLY);

#ifndef NDEBUG
    __STDIO_STREAM_RESET_GCS(stream);

    /* Reinitialize everything (including putc since fflush could fail). */
    __STDIO_STREAM_DISABLE_GETC(stream);
    __STDIO_STREAM_DISABLE_PUTC(stream);
    __STDIO_STREAM_INIT_BUFREAD_BUFPOS(stream);

# ifdef __UCLIBC_HAS_WCHAR__
    stream->__ungot_width[0] = 0;
# endif
# ifdef __STDIO_MBSTATE
    __INIT_MBSTATE(&(stream->__state));
# endif
#endif

    __STDIO_AUTO_THREADUNLOCK(stream);

    __STDIO_STREAM_FREE_BUFFER(stream);
#ifdef __UCLIBC_MJN3_ONLY__
#warning REMINDER: inefficient - locks and unlocks twice and walks whole list
#endif
#if defined(__UCLIBC_HAS_THREADS__) && defined(__STDIO_BUFFERS)
    /* inefficient - locks/unlocks twice and walks whole list */
    __STDIO_OPENLIST_INC_DEL_CNT;
    __STDIO_OPENLIST_DEC_USE;	/* This with free the file if necessary. */
#else
    __STDIO_STREAM_FREE_FILE(stream);
#endif

    return rv;
}
예제 #16
0
int ferror(register FILE *stream)
{
	__STDIO_STREAM_VALIDATE(stream);

	return __FERROR_UNLOCKED(stream);
}
예제 #17
0
파일: funlockfile.c 프로젝트: 16rd/rt-n56u
void funlockfile(FILE *stream)
{
	__STDIO_STREAM_VALIDATE(stream);

	__STDIO_ALWAYS_THREADUNLOCK_CANCEL_UNSAFE(stream);
}