dumpblocks.c

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00001 #include "define.h"
00002 
00003 #define OUT_BUF 20
00004 
00005 int main(int argc, char* const* argv)
00006 {
00007     pst_file pstfile;
00008     size_t i;
00009     char *outdir = NULL, *file = NULL, *outname = NULL;
00010     char *buf = NULL;
00011     int c;
00012     FILE *fp;
00013 
00014     while ((c = getopt(argc, argv, "o:")) != -1) {
00015         switch (c) {
00016             case 'o':
00017                 outdir = optarg;
00018                 break;
00019             default:
00020                 printf("Unknown switch %c\n", c);
00021         }
00022     }
00023     if (optind < argc) {
00024         file = argv[optind];
00025     } else {
00026         printf("Usage: dumpblocks [options] pstfile\n");
00027         printf("\tcopies the datablocks from the pst file into separate files\n");
00028         printf("Options: \n");
00029         printf("\t-o target\tSpecify the output directory\n");
00030         exit(1);
00031     }
00032     DEBUG_INIT("dumpblocks.log", NULL);
00033     DEBUG_ENT("main");
00034 
00035     printf("Opening file %s\n", file);
00036     if (pst_open(&pstfile, file, NULL)) {
00037         printf("Failed to open file %s\n", file);
00038         exit(1);
00039     }
00040 
00041     printf("Reading Indexes\n");
00042     if (pst_load_index(&pstfile)) {
00043         printf("Failed to load indexes in file %s\n", argv[1]);
00044         exit(1);
00045     }
00046 
00047     if (outdir != NULL)
00048         if (chdir(outdir)) {
00049             printf("Failed to change into directory %s\n", outdir);
00050             exit(1);
00051         }
00052 
00053     outname = (char *) pst_malloc(OUT_BUF);
00054     printf("Saving blocks\n");
00055     for (i = 0; i < pstfile.i_count; i++) {
00056         pst_index_ll *ptr = &pstfile.i_table[i];
00057         size_t c = pst_ff_getIDblock_dec(&pstfile, ptr->i_id, &buf);
00058         if (c) {
00059             snprintf(outname, OUT_BUF, "%#"PRIx64, ptr->i_id);
00060             if ((fp = fopen(outname, "wb")) == NULL) {
00061                 printf("Failed to open file %s\n", outname);
00062                 continue;
00063             }
00064             pst_fwrite(buf, 1, c, fp);
00065             fclose(fp);
00066         } else {
00067             printf("Failed to read block i_id %#"PRIx64"\n", ptr->i_id);
00068         }
00069     }
00070     pst_close(&pstfile);
00071     DEBUG_RET();
00072     return 0;
00073 }

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