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Diffstat (limited to 'newlib/libc/stdio/fwrite.c')
| -rw-r--r-- | newlib/libc/stdio/fwrite.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/newlib/libc/stdio/fwrite.c b/newlib/libc/stdio/fwrite.c deleted file mode 100644 index 595e3ef84..000000000 --- a/newlib/libc/stdio/fwrite.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -/* -FUNCTION -<<fwrite>>---write array elements - -INDEX - fwrite -INDEX - _fwrite_r - -ANSI_SYNOPSIS - #include <stdio.h> - size_t fwrite(const void *<[buf]>, size_t <[size]>, - size_t <[count]>, FILE *<[fp]>); - - #include <stdio.h> - size_t _fwrite_r(struct _reent *<[ptr]>, const void *<[buf]>, size_t <[size]>, - size_t <[count]>, FILE *<[fp]>); - -TRAD_SYNOPSIS - #include <stdio.h> - size_t fwrite(<[buf]>, <[size]>, <[count]>, <[fp]>) - char *<[buf]>; - size_t <[size]>; - size_t <[count]>; - FILE *<[fp]>; - - #include <stdio.h> - size_t _fwrite_r(<[ptr]>, <[buf]>, <[size]>, <[count]>, <[fp]>) - struct _reent *<[ptr]>; - char *<[buf]>; - size_t <[size]>; - size_t <[count]>; - FILE *<[fp]>; - -DESCRIPTION -<<fwrite>> attempts to copy, starting from the memory location -<[buf]>, <[count]> elements (each of size <[size]>) into the file or -stream identified by <[fp]>. <<fwrite>> may copy fewer elements than -<[count]> if an error intervenes. - -<<fwrite>> also advances the file position indicator (if any) for -<[fp]> by the number of @emph{characters} actually written. - -<<_fwrite_r>> is simply the reentrant version of <<fwrite>> that -takes an additional reentrant structure argument: <[ptr]>. - -RETURNS -If <<fwrite>> succeeds in writing all the elements you specify, the -result is the same as the argument <[count]>. In any event, the -result is the number of complete elements that <<fwrite>> copied to -the file. - -PORTABILITY -ANSI C requires <<fwrite>>. - -Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, -<<lseek>>, <<read>>, <<sbrk>>, <<write>>. -*/ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "%W% (Berkeley) %G%"; -#endif /* LIBC_SCCS and not lint */ - -#include <_ansi.h> -#include <stdio.h> -#include <string.h> -#if 0 -#include <sys/stdc.h> -#endif -#include "local.h" -#if 1 -#include "fvwrite.h" -#endif - -/* - * Write `count' objects (each size `size') from memory to the given file. - * Return the number of whole objects written. - */ - -size_t -_DEFUN(_fwrite_r, (ptr, buf, size, count, fp), - struct _reent * ptr _AND - _CONST _PTR buf _AND - size_t size _AND - size_t count _AND - FILE * fp) -{ - size_t n; -#ifdef _FVWRITE_IN_STREAMIO - struct __suio uio; - struct __siov iov; - - iov.iov_base = buf; - uio.uio_resid = iov.iov_len = n = count * size; - uio.uio_iov = &iov; - uio.uio_iovcnt = 1; - - /* - * The usual case is success (__sfvwrite_r returns 0); - * skip the divide if this happens, since divides are - * generally slow and since this occurs whenever size==0. - */ - - CHECK_INIT(ptr, fp); - - _newlib_flockfile_start (fp); - ORIENT (fp, -1); - if (__sfvwrite_r (ptr, fp, &uio) == 0) - { - _newlib_flockfile_exit (fp); - return count; - } - _newlib_flockfile_end (fp); - return (n - uio.uio_resid) / size; -#else - size_t i = 0; - _CONST char *p = buf; - n = count * size; - CHECK_INIT (ptr, fp); - - _newlib_flockfile_start (fp); - ORIENT (fp, -1); - /* Make sure we can write. */ - if (cantwrite (ptr, fp)) - goto ret; - - while (i < n) - { - if (__sputc_r (ptr, p[i], fp) == EOF) - break; - - i++; - } - -ret: - _newlib_flockfile_end (fp); - return i / size; -#endif -} - -#ifndef _REENT_ONLY -size_t -_DEFUN(fwrite, (buf, size, count, fp), - _CONST _PTR buf _AND - size_t size _AND - size_t count _AND - FILE * fp) -{ - return _fwrite_r (_REENT, buf, size, count, fp); -} -#endif |