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78 lines
2 KiB
C++
78 lines
2 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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stdio/stdio.cpp
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Sets up stdin, stdout, stderr.
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*******************************************************************************/
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#define __SORTIX_STDLIB_REDIRECTS 0
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "fdio.h"
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extern "C" { FILE* stdin; }
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extern "C" { FILE* stdout; }
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extern "C" { FILE* stderr; }
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extern "C" void init_stdio()
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{
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// TODO: These calls require memory allocation and can fail - which we don't
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// currently handle. How about declaring these as global objects and
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// using fdio_install_fd instead?
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stdin = fdio_new_fd(0, "r");
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stdout = fdio_new_fd(1, "w");
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stderr = fdio_new_fd(2, "w");
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setvbuf(stderr, NULL, _IONBF, 0);
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}
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extern "C" int getchar_unlocked(void)
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{
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return fgetc_unlocked(stdin);
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}
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extern "C" int putchar_unlocked(int c)
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{
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return fputc_unlocked(c, stdout);
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}
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extern "C" int getchar(void)
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{
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flockfile(stdin);
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int ret = getchar_unlocked();
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funlockfile(stdin);
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return ret;
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}
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extern "C" int putchar(int c)
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{
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flockfile(stdin);
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int ret = putchar_unlocked(c);
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funlockfile(stdin);
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return ret;
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}
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extern "C" int puts(const char* str)
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{
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return printf("%s\n", str) < 0 ? EOF : 1;
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}
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