| 26 | #endif |
| 27 | |
| 28 | int main(int argc, char *argv[]) |
| 29 | { |
| 30 | int fd_in, fd_out, comp_len, uncomp_len, i, last_out; |
| 31 | char buf_in[1024], buf_out[65536]; |
| 32 | z_stream zstream; |
| 33 | struct stat statbuf; |
| 34 | int ret = 1; |
| 35 | |
| 36 | if (argc < 3) { |
| 37 | printf("Usage: %s <infile.swf> <outfile.swf>\n", argv[0]); |
| 38 | return 1; |
| 39 | } |
| 40 | |
| 41 | fd_in = open(argv[1], O_RDONLY); |
| 42 | if (fd_in < 0) { |
| 43 | perror("Error opening input file"); |
| 44 | return 1; |
| 45 | } |
| 46 | |
| 47 | fd_out = open(argv[2], O_WRONLY | O_CREAT, 00644); |
| 48 | if (fd_out < 0) { |
| 49 | perror("Error opening output file"); |
| 50 | close(fd_in); |
| 51 | return 1; |
| 52 | } |
| 53 | |
| 54 | if (read(fd_in, &buf_in, 8) != 8) { |
| 55 | printf("Header error\n"); |
| 56 | goto out; |
| 57 | } |
| 58 | |
| 59 | if (buf_in[0] != 'C' || buf_in[1] != 'W' || buf_in[2] != 'S') { |
| 60 | printf("Not a compressed flash file\n"); |
| 61 | goto out; |
| 62 | } |
| 63 | |
| 64 | if (fstat(fd_in, &statbuf) < 0) { |
| 65 | perror("fstat failed"); |
| 66 | return 1; |
| 67 | } |
| 68 | comp_len = statbuf.st_size; |
| 69 | uncomp_len = buf_in[4] | (buf_in[5] << 8) | (buf_in[6] << 16) | (buf_in[7] << 24); |
| 70 | |
| 71 | printf("Compressed size: %d Uncompressed size: %d\n", |
| 72 | comp_len - 4, uncomp_len - 4); |
| 73 | |
| 74 | // write out modified header |
| 75 | buf_in[0] = 'F'; |
| 76 | if (write(fd_out, &buf_in, 8) < 8) { |
| 77 | perror("Error writing output file"); |
| 78 | goto out; |
| 79 | } |
| 80 | |
| 81 | zstream.zalloc = NULL; |
| 82 | zstream.zfree = NULL; |
| 83 | zstream.opaque = NULL; |
| 84 | if (inflateInit(&zstream) != Z_OK) { |
| 85 | fprintf(stderr, "inflateInit failed\n"); |