diff options
Diffstat (limited to 'newlib/libc/stdio/fwrite.c')
| -rw-r--r-- | newlib/libc/stdio/fwrite.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/newlib/libc/stdio/fwrite.c b/newlib/libc/stdio/fwrite.c index 663fff62c..8a2159c4a 100644 --- a/newlib/libc/stdio/fwrite.c +++ b/newlib/libc/stdio/fwrite.c @@ -21,12 +21,18 @@ FUNCTION 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]>) @@ -35,6 +41,14 @@ TRAD_SYNOPSIS 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 @@ -44,6 +58,9 @@ stream identified by <[fp]>. <<fwrite>> may copy fewer elements than <<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 @@ -78,7 +95,8 @@ static char sccsid[] = "%W% (Berkeley) %G%"; */ size_t -_DEFUN(fwrite, (buf, size, count, fp), +_DEFUN(_fwrite_r, (ptr, buf, size, count, fp), + struct _reent * ptr _AND _CONST _PTR buf _AND size_t size _AND size_t count _AND @@ -94,15 +112,15 @@ _DEFUN(fwrite, (buf, size, count, fp), uio.uio_iovcnt = 1; /* - * The usual case is success (__sfvwrite returns 0); + * 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(_REENT); + CHECK_INIT(ptr); _flockfile (fp); - if (__sfvwrite (fp, &uio) == 0) + if (__sfvwrite_r (ptr, fp, &uio) == 0) { _funlockfile (fp); return count; @@ -110,3 +128,15 @@ _DEFUN(fwrite, (buf, size, count, fp), _funlockfile (fp); return (n - uio.uio_resid) / size; } + +#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 |