ViewVC Help
View File | Revision Log | Show Annotations | Revision Graph | Root Listing
root/cebix/BasiliskII/src/Unix/xpram_unix.cpp
Revision: 1.10
Committed: 2009-07-23T19:19:14Z (14 years, 9 months ago) by asvitkine
Branch: MAIN
CVS Tags: HEAD
Changes since 1.9: +16 -8 lines
Log Message:
BasiliskII side of changes to support .sheepvm bundles for SheepShaver

File Contents

# Content
1 /*
2 * xpram_unix.cpp - XPRAM handling, Unix specific stuff
3 *
4 * Basilisk II (C) 1997-2008 Christian Bauer
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #include "sysdeps.h"
22
23 #include <stdlib.h>
24
25 #include "xpram.h"
26
27
28 // XPRAM file name and path
29 #if POWERPC_ROM
30 const char XPRAM_FILE_NAME[] = ".sheepshaver_nvram";
31 #else
32 const char XPRAM_FILE_NAME[] = ".basilisk_ii_xpram";
33 #endif
34 static char xpram_path[1024];
35
36
37 /*
38 * Load XPRAM from settings file
39 */
40
41 void LoadXPRAM(const char *vmdir)
42 {
43 if (vmdir) {
44 #if POWERPC_ROM
45 snprintf(xpram_path, sizeof(xpram_path), "%s/nvram", vmdir);
46 #else
47 snprintf(xpram_path, sizeof(xpram_path), "%s/xpram", vmdir);
48 #endif
49 } else {
50 // Construct XPRAM path
51 xpram_path[0] = 0;
52 char *home = getenv("HOME");
53 if (home != NULL && strlen(home) < 1000) {
54 strncpy(xpram_path, home, 1000);
55 strcat(xpram_path, "/");
56 }
57 strcat(xpram_path, XPRAM_FILE_NAME);
58 }
59
60 // Load XPRAM from settings file
61 int fd;
62 if ((fd = open(xpram_path, O_RDONLY)) >= 0) {
63 read(fd, XPRAM, XPRAM_SIZE);
64 close(fd);
65 }
66 }
67
68
69 /*
70 * Save XPRAM to settings file
71 */
72
73 void SaveXPRAM(void)
74 {
75 int fd;
76 if ((fd = open(xpram_path, O_WRONLY | O_CREAT, 0666)) >= 0) {
77 write(fd, XPRAM, XPRAM_SIZE);
78 close(fd);
79 }
80 }
81
82
83 /*
84 * Delete PRAM file
85 */
86
87 void ZapPRAM(void)
88 {
89 // Construct PRAM path
90 xpram_path[0] = 0;
91 char *home = getenv("HOME");
92 if (home != NULL && strlen(home) < 1000) {
93 strncpy(xpram_path, home, 1000);
94 strcat(xpram_path, "/");
95 }
96 strcat(xpram_path, XPRAM_FILE_NAME);
97
98 // Delete file
99 unlink(xpram_path);
100 }