diff options
Diffstat (limited to 'verity/fec/main.cpp')
| -rw-r--r-- | verity/fec/main.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/verity/fec/main.cpp b/verity/fec/main.cpp index 8dbb95d1..9998142b 100644 --- a/verity/fec/main.cpp +++ b/verity/fec/main.cpp @@ -107,6 +107,8 @@ static int usage() " -r, --roots=<bytes> number of parity bytes\n" " -j, --threads=<threads> number of threads to use\n" " -S treat data as a sparse file\n" + "encoding options:\n" + " -p, --padding=<bytes> add padding after ECC data\n" "decoding options:\n" " -i, --inplace correct <data> in place\n" ); @@ -220,6 +222,10 @@ static int decode(image& ctx, const std::vector<std::string>& inp_filenames, "files\n"); } + if (ctx.padding) { + FATAL("invalid parameters: padding is only relevant when encoding\n"); + } + if (!image_ecc_load(fec_filename, &ctx) || !image_load(inp_filenames, &ctx)) { FATAL("failed to read input\n"); @@ -284,10 +290,11 @@ int main(int argc, char **argv) {"print-fec-size", required_argument, 0, 's'}, {"get-ecc-start", required_argument, 0, 'E'}, {"get-verity-start", required_argument, 0, 'V'}, + {"padding", required_argument, 0, 'p'}, {"verbose", no_argument, 0, 'v'}, {NULL, 0, 0, 0} }; - int c = getopt_long(argc, argv, "hedSr:imj:s:E:V:v", long_options, NULL); + int c = getopt_long(argc, argv, "hedSr:ij:s:E:V:p:v", long_options, NULL); if (c < 0) { break; } @@ -339,6 +346,12 @@ int main(int argc, char **argv) mode = MODE_GETVERITYSTART; inp_filenames.push_back(optarg); break; + case 'p': + ctx.padding = (uint32_t)parse_arg(optarg, "padding", UINT32_MAX); + if (ctx.padding % FEC_BLOCKSIZE) { + FATAL("padding must be multiple of %u\n", FEC_BLOCKSIZE); + } + break; case 'v': ctx.verbose = true; break; |