/****************************************************************************** * * Module Name: efihello - very simple ACPICA/EFI integration example * *****************************************************************************/ /* * Copyright (C) 2000 - 2017, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. */ #include "acpi.h" #include "accommon.h" #include "acapps.h" #define LINE_SIZE 256 static char LineBuffer[LINE_SIZE]; /****************************************************************************** * * FUNCTION: main * * PARAMETERS: argc/argv - Standard argc/argv * * RETURN: Status * * DESCRIPTION: C main function for efihello * ******************************************************************************/ #ifndef _GNU_EFI int ACPI_SYSTEM_XFACE main ( int argc, char *argv[]) #else int ACPI_SYSTEM_XFACE acpi_main ( int argc, char *argv[]) #endif { ACPI_FILE File; BOOLEAN DoCloseFile = FALSE; char *Result; AcpiOsInitialize (); printf ("argc=%d\n", argc); if (argc > 1) { File = fopen (argv[1], "r"); if (!File) { printf ("Failed to open %s.\n", argv[1]); return (-1); } DoCloseFile = TRUE; } else { File = stdin; } while (1) { Result = fgets (LineBuffer, LINE_SIZE, File); if (!Result) { printf ("Failed to read %s.\n", argv[1]); fclose (File); return (-2); } printf ("%s", LineBuffer); if (strncmp (Result, "exit", 4) == 0) { break; } } if (DoCloseFile) { fclose (File); } return (0); }