change: support -v/-h flags

laumann

Aug 26, 2022, 8:45 PM

3FT3XTJMUAXQ257T5GB7YWWTI7QBKKVC7WA6DCH5UY26RLQO5PFQC

Dependencies

• [2] WMFNGOYT change: reduce printed noise, rework some code
• [3] KDJUAAAL change: prefix function names with change_
• [4] Q7TKZCJP Add initial support for reading the offsets from a (fixed) change
• [5] RIWSVVAS change: decompress the 'contents' with zstd_seekable
• [6] QEFCNNVC change: display offsets for given change file
• [*] OBKF6SII change: decompress the hashed section too

Change contents

• edit in change.c at line 29
  [8.238]

  [2.0]
  + }

  +

  + static void

  + cmd_change_usage() {

  + printf("ani change [-h] [-v] <hash>\n");
• replacement in change.c at line 218
  [3.2203]→[3.87:112](∅→∅)
  − change(const char *hash)
  [3.2203]

  [3.2212]
  + change(const char *hash, int verbose)
• replacement in change.c at line 269
  [3.188]→[2.847:904](∅→∅)
  − /* dump_buf("contents", contents, off.contents_len); */
  [3.188]

  [3.239]
  + if (verbose)

  + dump_buf("contents", contents, off.contents_len);
• replacement in change.c at line 286
  [3.2999]→[3.2999:3043](∅→∅)
  − int cmd_change(int argc, const char **argv)
  [3.2999]

  [3.3043]
  + int cmd_change(int argc, char **argv)
• edit in change.c at line 290
  [3.2927]

  [3.416]
  + int verbose;

  + int c;
• replacement in change.c at line 293
  [3.417]→[3.417:505](∅→∅)
  − if (argc < 2) {

  − fprintf(stderr, "error: invalid number of arguments. See --help\n");
  [3.417]

  [3.505]
  + verbose = 0;

  +

  + while ((c = getopt(argc, argv, "hv")) != -1) {

  + switch (c) {

  + case 'v':

  + verbose = 1;

  + break;

  + case 'h':

  + cmd_change_usage();

  + return 0;

  + case '?':

  + fprintf(stderr, "unrecognized option: '-%c'\n", optopt);

  + return -1;

  + }

  + }

  + if (optind >= argc) {

  + fprintf(stderr, "error: invalid number of arguments. See -h\n");
• replacement in change.c at line 312
  [3.521]→[3.521:538](∅→∅)
  − hash = argv[1];
  [3.521]

  [3.538]
  +

  + hash = argv[optind];
• replacement in change.c at line 324
  [3.742]→[3.742:764](∅→∅)
  − return change(hash);
  [3.742]

  [3.3099]
  + return change(hash, verbose);