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annotate src/dumpblocks.c @ 402:37cd2aea5d4a

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update x_python.m4 to detect python 3.9
author Carl Byington <carl@five-ten-sg.com>
date Thu, 26 Mar 2020 09:22:43 -0700
parents 26c48ea9d896
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include "define.h"
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2
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3 #define OUT_BUF 20
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4
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5 int main(int argc, char* const* argv)
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6 {
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7 pst_file pstfile;
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8 size_t i;
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9 char *outdir = NULL, *file = NULL, *outname = NULL;
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10 char *buf = NULL;
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11 int c;
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12 FILE *fp;
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14 while ((c = getopt(argc, argv, "o:")) != -1) {
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15 switch (c) {
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16 case 'o':
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17 outdir = optarg;
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18 break;
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19 default:
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20 printf("Unknown switch %c\n", c);
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21 }
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22 }
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23 if (optind < argc) {
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24 file = argv[optind];
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25 } else {
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26 printf("Usage: dumpblocks [options] pstfile\n");
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27 printf("\tcopies the datablocks from the pst file into separate files\n");
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28 printf("Options: \n");
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29 printf("\t-o target\tSpecify the output directory\n");
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30 exit(1);
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31 }
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32 DEBUG_INIT("dumpblocks.log", NULL);
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33 DEBUG_ENT("main");
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35 printf("Opening file %s\n", file);
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36 if (pst_open(&pstfile, file, NULL)) {
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37 printf("Failed to open file %s\n", file);
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38 exit(1);
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39 }
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41 printf("Reading Indexes\n");
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42 if (pst_load_index(&pstfile)) {
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43 printf("Failed to load indexes in file %s\n", argv[1]);
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44 exit(1);
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45 }
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47 if (outdir != NULL)
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48 if (chdir(outdir)) {
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49 printf("Failed to change into directory %s\n", outdir);
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50 exit(1);
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51 }
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52
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53 outname = (char *) pst_malloc(OUT_BUF);
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54 printf("Saving blocks\n");
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55 for (i = 0; i < pstfile.i_count; i++) {
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56 pst_index_ll *ptr = &pstfile.i_table[i];
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57 size_t c = pst_ff_getIDblock_dec(&pstfile, ptr->i_id, &buf);
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58 if (c) {
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59 snprintf(outname, OUT_BUF, "%#"PRIx64, ptr->i_id);
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60 if ((fp = fopen(outname, "wb")) == NULL) {
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61 printf("Failed to open file %s\n", outname);
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62 continue;
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63 }
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64 pst_fwrite(buf, 1, c, fp);
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65 fclose(fp);
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66 } else {
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67 printf("Failed to read block i_id %#"PRIx64"\n", ptr->i_id);
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68 }
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69 }
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70 pst_close(&pstfile);
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71 DEBUG_RET();
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72 return 0;
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73 }