162 lines
3.0 KiB
C++
162 lines
3.0 KiB
C++
/*
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* xpram_unix.cpp - XPRAM handling, Unix specific stuff
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*
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* Basilisk II (C) 1997-2008 Christian Bauer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "sysdeps.h"
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#include <string>
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using std::string;
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#include "xpram.h"
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#ifdef __linux__
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// XPRAM file name, set by LoadPrefs() in prefs_unix.cpp
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string xpram_name;
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/*
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* Load XPRAM from settings file
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*/
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void LoadXPRAM(const char* vmdir)
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{
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assert(!xpram_name.empty());
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int fd;
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if ((fd = open(xpram_name.c_str(), O_RDONLY)) >= 0)
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{
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read(fd, XPRAM, XPRAM_SIZE);
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close(fd);
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}
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}
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/*
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* Save XPRAM to settings file
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*/
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void SaveXPRAM(void)
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{
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assert(!xpram_name.empty());
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int fd;
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if ((fd = open(xpram_name.c_str(), O_WRONLY | O_CREAT, 0666)) >= 0)
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{
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write(fd, XPRAM, XPRAM_SIZE);
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close(fd);
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}
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else
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{
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fprintf(stderr, "WARNING: Unable to save %s (%s)\n",
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xpram_name.c_str(), strerror(errno));
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}
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}
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/*
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* Delete PRAM file
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*/
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void ZapPRAM(void)
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{
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// Delete file
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assert(!xpram_name.empty());
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unlink(xpram_name.c_str());
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}
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#else // __linux__
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// XPRAM file name and path
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#if POWERPC_ROM
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const char XPRAM_FILE_NAME[] = ".sheepshaver_nvram";
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#else
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const char XPRAM_FILE_NAME[] = ".basilisk_ii_xpram";
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#endif
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static char xpram_path[1024];
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/*
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* Load XPRAM from settings file
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*/
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void LoadXPRAM(const char *vmdir)
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{
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if (vmdir) {
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#if POWERPC_ROM
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snprintf(xpram_path, sizeof(xpram_path), "%s/nvram", vmdir);
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#else
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snprintf(xpram_path, sizeof(xpram_path), "%s/xpram", vmdir);
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#endif
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} else {
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// Construct XPRAM path
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xpram_path[0] = 0;
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char *home = getenv("HOME");
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if (home != NULL && strlen(home) < 1000) {
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strncpy(xpram_path, home, 1000);
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strcat(xpram_path, "/");
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}
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strcat(xpram_path, XPRAM_FILE_NAME);
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}
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// Load XPRAM from settings file
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int fd;
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if ((fd = open(xpram_path, O_RDONLY)) >= 0) {
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read(fd, XPRAM, XPRAM_SIZE);
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close(fd);
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}
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}
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/*
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* Save XPRAM to settings file
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*/
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void SaveXPRAM(void)
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{
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int fd;
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if ((fd = open(xpram_path, O_WRONLY | O_CREAT, 0666)) >= 0) {
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write(fd, XPRAM, XPRAM_SIZE);
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close(fd);
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}
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}
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/*
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* Delete PRAM file
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*/
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void ZapPRAM(void)
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{
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// Construct PRAM path
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xpram_path[0] = 0;
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char *home = getenv("HOME");
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if (home != NULL && strlen(home) < 1000) {
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strncpy(xpram_path, home, 1000);
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strcat(xpram_path, "/");
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}
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strcat(xpram_path, XPRAM_FILE_NAME);
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// Delete file
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unlink(xpram_path);
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}
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#endif // __linux__
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