0
我已经安装了fusecompress目录下的fusecompress/fusecompress/ 我复制了一个大文件(几GB)到fusecompress目录(好的,我mv'd它)。 压缩目录中的压缩文件长度为1,221,396,660。 但是,我无法删除/解压缩文件。 fusecompress有一个内存错误:“无法分配内存”。如何解压缩使用fusecompress/lzo压缩的文件?
无论如何利用lzo库来为压缩文件写一个解压缩例程吗?
我尝试以下,但得到分段错误:
char buffer[OUT_LEN];
char outbuffer[IN_LEN];
int read;
lzo_uint writ;
unsigned long totalWrit = 0;
while((read = fread(buffer, sizeof(char), OUT_LEN, stdin)) > 0)
{
r = lzo1x_decompress(buffer, read, outbuffer, &writ, NULL);
fwrite(outbuffer, sizeof(char), writ, stdout);
totalWrit += writ;
}
fprintf(stderr, "\nDone. %d bytes written out.\n\n", totalWrit);
更新:
为了应对法案,第一个160个字节的文件有:
00000000 01 1f 01 5d ff 89 04 00 a2 20 85 04 30 6e ba 48 |...]..... ..0n.H| 00000010 00 00 01 02 00 00 00 00 00 00 11 3c 3c 3c 20 53 |...........<<< S| 00000020 75 6e 20 56 69 72 74 75 61 6c 42 6f 78 20 44 69 |un VirtualBox Di| 00000030 73 6b 20 49 6d 61 67 65 20 3e 3e 3e 0a 00 3b 00 |sk Image >>>..;.| 00000040 00 08 7f 10 da be 01 00 01 00 90 01 00 54 00 3b |.............T.;| 00000050 a8 00 20 c9 70 00 02 02 00 00 00 a2 2d b8 03 6c |.. .p.......-..l| 00000060 02 a9 02 80 a9 01 10 b4 01 00 15 28 00 00 52 08 |...........(..R.| 00000070 00 00 a4 15 30 3e 76 22 73 4c 96 3d bf 8f ca 66 |....0>v"sL.=...f| 00000080 a8 93 2b a6 83 65 44 4d 37 41 a4 02 ca bb 56 4e |..+..eDM7A....VN| 00000090 a9 e9 b0 05 39 14 00 05 04 00 00 ff 00 00 00 3f |....9..........?|
我发布了文件头。足够的160个字节? – maxwellb 2009-06-13 22:05:40