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Diffstat (limited to 'tools/scramble.c')
-rw-r--r--tools/scramble.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/tools/scramble.c b/tools/scramble.c
index ca3cea5a58..95709c0618 100644
--- a/tools/scramble.c
+++ b/tools/scramble.c
@@ -30,16 +30,25 @@ int main (int argc, char** argv)
30 unsigned char *oname = argv[2]; 30 unsigned char *oname = argv[2];
31 int headerlen = 6; 31 int headerlen = 6;
32 FILE* file; 32 FILE* file;
33 int version;
33 34
34 if (argc < 3) { 35 if (argc < 3) {
35 printf("usage: %s [-fm] <input file> <output file>\n",argv[0]); 36 printf("usage: %s [-fm] [-v2] <input file> <output file>\n",argv[0]);
36 return -1; 37 return -1;
37 } 38 }
38 39
39 if (argv[1][0] == '-') { /* assume any parameter is -fm :-) */ 40 if(!strcmp(argv[1], "-fm")) {
40 headerlen = 24; 41 headerlen = 24;
41 iname = argv[2]; 42 iname = argv[2];
42 oname = argv[3]; 43 oname = argv[3];
44 version = 4;
45 }
46
47 if(!strcmp(argv[1], "-v2")) {
48 headerlen = 24;
49 iname = argv[2];
50 oname = argv[3];
51 version = 2;
43 } 52 }
44 53
45 /* open file */ 54 /* open file */
@@ -106,7 +115,7 @@ int main (int argc, char** argv)
106 header[6] = (crc >> 8) & 0xff; 115 header[6] = (crc >> 8) & 0xff;
107 header[7] = crc & 0xff; 116 header[7] = crc & 0xff;
108 117
109 header[11] = 4; /* ??? */ 118 header[11] = version;
110 119
111 header[15] = headerlen; /* really? */ 120 header[15] = headerlen; /* really? */
112 121