diff options
Diffstat (limited to 'newlib/libc/stdio/putc_u.c')
| -rw-r--r-- | newlib/libc/stdio/putc_u.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/newlib/libc/stdio/putc_u.c b/newlib/libc/stdio/putc_u.c index aee11f4e7..9960654d7 100644 --- a/newlib/libc/stdio/putc_u.c +++ b/newlib/libc/stdio/putc_u.c @@ -21,11 +21,16 @@ FUNCTION INDEX putc_unlocked +INDEX + _putc_unlocked_r POSIX_SYNOPSIS #include <stdio.h> int putc_unlocked(int <[ch]>, FILE *<[fp]>); + #include <stdio.h> + int _putc_unlocked_r(struct _reent *<[ptr]>, int <[ch]>, FILE *<[fp]>); + DESCRIPTION <<putc_unlocked>> is a non-thread-safe version of <<putc>> declared in <<stdio.h>>. <<putc_unlocked>> may only safely be used within a scope @@ -36,6 +41,10 @@ object, as is the case after a successful call to the flockfile() or ftrylockfile() functions. If threads are disabled, then <<putc_unlocked>> is equivalent to <<putc>>. +The function <<_putc_unlocked_r>> is simply the reentrant version of +<<putc_unlocked>> that takes an additional reentrant structure pointer +argument: <[ptr]>. + RETURNS See <<putc>>. @@ -61,11 +70,24 @@ static char sccsid[] = "%W% (Berkeley) %G%"; #undef putc_unlocked int +_DEFUN(_putc_unlocked_r, (ptr, c, fp), + struct _reent *ptr _AND + int c _AND + register FILE *fp) +{ + /* CHECK_INIT is (eventually) called by __swbuf. */ + + return __sputc_r (ptr, c, fp); +} + +#ifndef _REENT_ONLY +int _DEFUN(putc_unlocked, (c, fp), int c _AND register FILE *fp) { /* CHECK_INIT is (eventually) called by __swbuf. */ - return __sputc (c, fp); + return __sputc_r (_REENT, c, fp); } +#endif /* !_REENT_ONLY */ |