diff options
Diffstat (limited to 'newlib/libc/stdio/getc.c')
| -rw-r--r-- | newlib/libc/stdio/getc.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/newlib/libc/stdio/getc.c b/newlib/libc/stdio/getc.c index 9628a87..c02fe6b 100644 --- a/newlib/libc/stdio/getc.c +++ b/newlib/libc/stdio/getc.c @@ -21,16 +21,26 @@ FUNCTION INDEX getc +INDEX + _getc_r ANSI_SYNOPSIS #include <stdio.h> int getc(FILE *<[fp]>); + #include <stdio.h> + int _getc_r(struct _reent *<[ptr]>, FILE *<[fp]>); + TRAD_SYNOPSIS #include <stdio.h> int getc(<[fp]>) FILE *<[fp]>; + #include <stdio.h> + int _getc_r(<[ptr]>, <[fp]>) + struct _reent *<[ptr]>; + FILE *<[fp]>; + DESCRIPTION <<getc>> is a macro, defined in <<stdio.h>>. You can use <<getc>> to get the next single character from the file or stream @@ -39,6 +49,9 @@ current position indicator. For a subroutine version of this macro, see <<fgetc>>. +The <<_getc_r>> function is simply the reentrant version of <<getc>> +which passes an additional reentrancy structure pointer argument: <[ptr]>. + RETURNS The next character (read as an <<unsigned char>>, and cast to <<int>>), unless there is no more data, or the host system reports a @@ -73,13 +86,30 @@ static char sccsid[] = "%W% (Berkeley) %G%"; #undef getc int +_DEFUN(_getc_r, (ptr, fp), + struct _reent *ptr _AND + register FILE *fp) +{ + int result; + CHECK_INIT (ptr); + _flockfile (fp); + result = __sgetc_r (ptr, fp); + _funlockfile (fp); + return result; +} + +#ifndef _REENT_ONLY + +int _DEFUN(getc, (fp), register FILE *fp) { int result; CHECK_INIT (_REENT); _flockfile (fp); - result = __sgetc (fp); + result = __sgetc_r (_REENT, fp); _funlockfile (fp); return result; } + +#endif /* !_REENT_ONLY */ |