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69112Re: Patch 7.3.903

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  • Ron Aaron
    Apr 15, 2013
    • 0 Attachment
      >
      > Perhaps a stack trace will help. Or setting a breakpoint at
      >
      > write_viminfo_history() and stepping through it. And check that
      >
      > finish_viminfo_history() isn't called. You did include the change in
      >
      > ex_cmds.c, right?

      I verified manually that the patch contents of 7.3.903 were applied; but there's not changes to ex_cmds.c that I can find.

      The 'write_viminfo_history()' happens twice and in the second iteration this happens:

      6230 && !(round == 2 && i >= viminfo_hisidx[type]))
      (gdb)
      6232 p = round == 1 ? history[type][i].hisstr
      (gdb)
      6233 : viminfo_history[type][i];
      (gdb)
      6234 if (p != NULL && (round == 2 || !history[type][i].viminfo))
      (gdb)
      6251 if (--i < 0)
      (gdb)
      6253 if (i == hisidx[type])
      (gdb) c
      Continuing.

      Program received signal SIGSEGV, Segmentation fault.
      0x080bdcfe in write_viminfo_history (fp=fp@entry=0x83ec2c0) at ex_getln.c:6233
      6233 : viminfo_history[type][i];
      (gdb) l
      6228 if (i >= 0)
      6229 while (num_saved > 0
      6230 && !(round == 2 && i >= viminfo_hisidx[type]))
      6231 {
      6232 p = round == 1 ? history[type][i].hisstr
      6233 : viminfo_history[type][i];
      6234 if (p != NULL && (round == 2 || !history[type][i].viminfo))
      6235 {
      6236 --num_saved;
      6237 fputc(hist_type2char(type, TRUE), fp);
      (gdb) p num_saved
      $11 = 199
      (gdb) p i
      $12 = 0
      (gdb) p viminfo_history
      $13 = {0x0, 0x0, 0x0, 0x0, 0x0}
      (gdb) p viminfo_hisidx
      $14 = {199, 200, 4, 55, 0}

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