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66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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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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print.cpp
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Provides the stubs for the printf family of functions.
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*******************************************************************************/
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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static size_t FileWriteCallback(void* user, const char* string, size_t stringlen)
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{
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FILE* fp = (FILE*) user;
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return fwrite(string, 1, stringlen, fp);
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}
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extern "C" int vfprintf(FILE* fp, const char* /*restrict*/ format, va_list list)
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{
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size_t result = vprintf_callback(FileWriteCallback, fp, format, list);
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if ( result == SIZE_MAX )
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return -1;
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return (int) result;
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}
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extern "C" int fprintf(FILE* fp, const char* /*restrict*/ format, ...)
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{
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va_list list;
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va_start(list, format);
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int result = vfprintf(fp, format, list);
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va_end(list);
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return result;
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}
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extern "C" int vprintf(const char* /*restrict*/ format, va_list list)
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{
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return vfprintf(stdout, format, list);
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}
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extern "C" int printf(const char* /*restrict*/ format, ...)
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{
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va_list list;
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va_start(list, format);
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int result = vprintf(format, list);
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va_end(list);
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return result;
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}
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