diff options
Diffstat (limited to 'newlib/libc/stdio/fputc.c')
| -rw-r--r-- | newlib/libc/stdio/fputc.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/newlib/libc/stdio/fputc.c b/newlib/libc/stdio/fputc.c index 422f675..520fc02 100644 --- a/newlib/libc/stdio/fputc.c +++ b/newlib/libc/stdio/fputc.c @@ -21,17 +21,28 @@ FUNCTION INDEX fputc +INDEX + _fputc_r ANSI_SYNOPSIS #include <stdio.h> int fputc(int <[ch]>, FILE *<[fp]>); + #include <stdio.h> + int _fputc_r(struct _rent *<[ptr]>, int <[ch]>, FILE *<[fp]>); + TRAD_SYNOPSIS #include <stdio.h> int fputc(<[ch]>, <[fp]>) int <[ch]>; FILE *<[fp]>; + #include <stdio.h> + int _fputc_r(<[ptr]>, <[ch]>, <[fp]>) + struct _reent *<[ptr]>; + int <[ch]>; + FILE *<[fp]>; + DESCRIPTION <<fputc>> converts the argument <[ch]> from an <<int>> to an <<unsigned char>>, then writes it to the file or stream identified by @@ -45,6 +56,9 @@ oadvances by one. For a macro version of this function, see <<putc>>. +The <<_fputc_r>> function is simply a reentrant version of <<fputc>> +that takes an additional reentrant structure argument: <[ptr]>. + RETURNS If successful, <<fputc>> returns its argument <[ch]>. If an error intervenes, the result is <<EOF>>. You can use `<<ferror(<[fp]>)>>' to @@ -62,14 +76,34 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, #include "local.h" int +_DEFUN(_fputc_r, (ptr, ch, file), + struct _reent *ptr _AND + int ch _AND + FILE * file) +{ + int result; + CHECK_INIT(ptr); + _flockfile (file); + result = _putc_r (ptr, ch, file); + _funlockfile (file); + return result; +} + +#ifndef _REENT_ONLY +int _DEFUN(fputc, (ch, file), int ch _AND FILE * file) { +#if !defined(__OPTIMIZE_SIZE__) && !defined(PREFER_SIZE_OVER_SPEED) int result; CHECK_INIT(_REENT); _flockfile (file); - result = putc (ch, file); + result = _putc_r (_REENT, ch, file); _funlockfile (file); return result; +#else + return _fputc_r (_REENT, ch, file); +#endif } +#endif /* !_REENT_ONLY */ |