From 20b0251ab3d62281dc4213a9a930883bcbf57cd5 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Mon, 3 May 2004 17:27:56 +0000 Subject: [PATCH] 2004-05-03 Artem B. Bityuckiy * libc/include/stdio.h (_ungetc_r): New prototype. * libc/stdio/ungetc.c (_ungetc_r): New reentrant function. (__submore): Add reentrant struct pointer argument. (ungetc): Change to call _ungetc_r. --- newlib/ChangeLog | 7 +++++++ newlib/libc/include/stdio.h | 1 + newlib/libc/stdio/ungetc.c | 26 ++++++++++++++++++++------ 3 files changed, 28 insertions(+), 6 deletions(-) diff --git a/newlib/ChangeLog b/newlib/ChangeLog index 6c2c4c4eb..b9a55a4f2 100644 --- a/newlib/ChangeLog +++ b/newlib/ChangeLog @@ -1,3 +1,10 @@ +2004-05-03 Artem B. Bityuckiy + + * libc/include/stdio.h (_ungetc_r): New prototype. + * libc/stdio/ungetc.c (_ungetc_r): New reentrant function. + (__submore): Add reentrant struct pointer argument. + (ungetc): Change to call _ungetc_r. + 2004-04-28 Artem B. Bityuckiy * libc/stdio/local.h (_fwalk_reent): Specify prototype of diff --git a/newlib/libc/include/stdio.h b/newlib/libc/include/stdio.h index 94e437d39..576de35dd 100644 --- a/newlib/libc/include/stdio.h +++ b/newlib/libc/include/stdio.h @@ -298,6 +298,7 @@ int _EXFUN(_sscanf_r, (struct _reent *, const char *, const char *, ...)); char * _EXFUN(_tempnam_r, (struct _reent *, const char *, const char *)); FILE * _EXFUN(_tmpfile_r, (struct _reent *)); char * _EXFUN(_tmpnam_r, (struct _reent *, char *)); +int _EXFUN(_ungetc_r, (struct _reent *, int, FILE *)); int _EXFUN(_vasprintf_r, (struct _reent *, char **, const char *, __VALIST)); int _EXFUN(_vfprintf_r, (struct _reent *, FILE *, const char *, __VALIST)); int _EXFUN(_vprintf_r, (struct _reent *, const char *, __VALIST)); diff --git a/newlib/libc/stdio/ungetc.c b/newlib/libc/stdio/ungetc.c index 4380cc2da..9ccd02766 100644 --- a/newlib/libc/stdio/ungetc.c +++ b/newlib/libc/stdio/ungetc.c @@ -20,6 +20,7 @@ static char sccsid[] = "%W% (Berkeley) %G%"; #endif /* LIBC_SCCS and not lint */ #include <_ansi.h> +#include #include #include #include @@ -34,7 +35,8 @@ static char sccsid[] = "%W% (Berkeley) %G%"; /*static*/ int -_DEFUN(__submore, (fp), +_DEFUN(__submore, (rptr, fp), + struct _reent *rptr _AND register FILE *fp) { register int i; @@ -45,7 +47,7 @@ _DEFUN(__submore, (fp), /* * Get a new buffer (rather than expanding the old one). */ - if ((p = (unsigned char *) _malloc_r (_REENT, (size_t) BUFSIZ)) == NULL) + if ((p = (unsigned char *) _malloc_r (rptr, (size_t) BUFSIZ)) == NULL) return EOF; fp->_ub._base = p; fp->_ub._size = BUFSIZ; @@ -56,7 +58,7 @@ _DEFUN(__submore, (fp), return 0; } i = fp->_ub._size; - p = (unsigned char *) _realloc_r (_REENT, (_PTR) (fp->_ub._base), i << 1); + p = (unsigned char *) _realloc_r (rptr, (_PTR) (fp->_ub._base), i << 1); if (p == NULL) return EOF; _CAST_VOID memcpy ((_PTR) (p + i), (_PTR) p, (size_t) i); @@ -67,8 +69,9 @@ _DEFUN(__submore, (fp), } int -_DEFUN(ungetc, (c, fp), - int c _AND +_DEFUN(_ungetc_r, (rptr, c, fp), + struct _reent *rptr _AND + int c _AND register FILE *fp) { if (c == EOF) @@ -118,7 +121,7 @@ _DEFUN(ungetc, (c, fp), if (HASUB (fp)) { - if (fp->_r >= fp->_ub._size && __submore (fp)) + if (fp->_r >= fp->_ub._size && __submore (rptr, fp)) { _funlockfile (fp); return EOF; @@ -158,3 +161,14 @@ _DEFUN(ungetc, (c, fp), _funlockfile (fp); return c; } + +#ifndef _REENT_ONLY +int +_DEFUN(ungetc, (c, fp), + int c _AND + register FILE *fp) +{ + return _ungetc_r (_REENT, c, fp); +} +#endif /* !_REENT_ONLY */ +