diff options
Diffstat (limited to 'newlib/libc/stdio/getc_u.c')
| -rw-r--r-- | newlib/libc/stdio/getc_u.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/newlib/libc/stdio/getc_u.c b/newlib/libc/stdio/getc_u.c index 9c05fa6f5..7d7adde60 100644 --- a/newlib/libc/stdio/getc_u.c +++ b/newlib/libc/stdio/getc_u.c @@ -21,11 +21,16 @@ FUNCTION INDEX getc_unlocked +INDEX + _getc_unlocked_r POSIX_SYNOPSIS #include <stdio.h> int getc_unlocked(FILE *<[fp]>); + #include <stdio.h> + int _getc_unlocked_r(FILE *<[fp]>); + DESCRIPTION <<getc_unlocked>> is a non-thread-safe version of <<getc>> declared in <<stdio.h>>. <<getc_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 <<getc_unlocked>> is equivalent to <<getc>>. +The <<_getc_unlocked_r>> function is simply the reentrant version of +<<get_unlocked>> which passes an additional reentrancy structure pointer +argument: <[ptr]>. + RETURNS See <<getc>>. @@ -60,10 +69,22 @@ static char sccsid[] = "%W% (Berkeley) %G%"; #undef getc_unlocked int -_DEFUN(getc_unlocked, (fp), +_DEFUN(_getc_unlocked_r, (ptr, fp), + struct _reent *ptr _AND register FILE *fp) { - /* CHECK_INIT is called (eventually) by __srefill. */ + /* CHECK_INIT is called (eventually) by __srefill_r. */ - return __sgetc (fp); + return __sgetc_r (ptr, fp); } + +#ifndef _REENT_ONLY + +int +_DEFUN(getc_unlocked, (fp), + register FILE *fp) +{ + return __sgetc_r (_REENT, fp); +} + +#endif /* !_REENT_ONLY */ |