diff options
Diffstat (limited to 'newlib/libc/stdio/putc.c')
| -rw-r--r-- | newlib/libc/stdio/putc.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/newlib/libc/stdio/putc.c b/newlib/libc/stdio/putc.c index 0973234..b3008e2 100644 --- a/newlib/libc/stdio/putc.c +++ b/newlib/libc/stdio/putc.c @@ -21,17 +21,28 @@ FUNCTION INDEX putc +INDEX + _putc_r ANSI_SYNOPSIS #include <stdio.h> int putc(int <[ch]>, FILE *<[fp]>); + #include <stdio.h> + int _putc_r(struct _reent *<[ptr]>, int <[ch]>, FILE *<[fp]>); + TRAD_SYNOPSIS #include <stdio.h> int putc(<[ch]>, <[fp]>) int <[ch]>; FILE *<[fp]>; + #include <stdio.h> + int _putc_r(<[ptr]>, <[ch]>, <[fp]>) + struct _reent *<[ptr]>; + int <[ch]>; + FILE *<[fp]>; + DESCRIPTION <<putc>> is a macro, defined in <<stdio.h>>. <<putc>> writes the argument <[ch]> to the file or stream identified by @@ -45,6 +56,9 @@ advances by one. For a subroutine version of this macro, see <<fputc>>. +The <<_putc_r>> function is simply the reentrant version of +<<putc>> that takes an additional reentrant structure argument: <[ptr]>. + RETURNS If successful, <<putc>> returns its argument <[ch]>. If an error intervenes, the result is <<EOF>>. You can use `<<ferror(<[fp]>)>>' to @@ -76,14 +90,35 @@ static char sccsid[] = "%W% (Berkeley) %G%"; #undef putc int +_DEFUN(_putc_r, (ptr, c, fp), + struct _reent *ptr _AND + int c _AND + register FILE *fp) +{ + int result; + CHECK_INIT (ptr); + _flockfile (fp); + result = __sputc_r (ptr, c, fp); + _funlockfile (fp); + return result; +} + +#ifndef _REENT_ONLY +int _DEFUN(putc, (c, fp), int c _AND register FILE *fp) { +#if !defined(PREFER_SIZE_OVER_SPEED) && !defined(__OPTIMIZE_SIZE__) int result; CHECK_INIT (_REENT); _flockfile (fp); - result = __sputc (c, fp); + result = __sputc_r (_REENT, c, fp); _funlockfile (fp); return result; +#else + return _putc_r (_REENT, c, fp); +#endif } +#endif /* !_REENT_ONLY */ + |