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annotate archive/readpst.c.short_filename.diff @ 360:26c48ea9d896

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From Jeffrey Morlan: pst_build_id_ptr reads the Block BTree into a linked list, which pst_getID does a linear scan through. For large PSTs that have millions of blocks, this is extremely slow - almost all time is spent in pst_getID. Since the BTree entries must be in order, this can be dramatically improved by reading into an array and using binary search.
author Carl Byington <carl@five-ten-sg.com>
date Wed, 06 Jul 2016 10:21:08 -0700
parents de3753c3160a
children
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1 Index: readpst.c
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2 ===================================================================
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3 --- readpst.c (revision 45)
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4 +++ readpst.c (working copy)
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5 @@ -149,6 +149,7 @@
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6 int attach_num = 0;
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7 int skip_child = 0;
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8 struct file_ll *f, *head;
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9 + char *attach_filename = NULL;
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10 prog_name = argv[0];
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11 // }}}2
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12 // command-line option handling {{{2
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13 @@ -832,18 +833,25 @@
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14 }
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15 if (mode == MODE_SEPERATE) {
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16 f->name = check_filename(f->name);
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17 - if (item->current_attach->filename2 == NULL) {
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18 + // If there is a long filename (filename2) use that, otherwise
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19 + // use the 8.3 filename (filename1)
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20 + if (item->current_attach->filename2) {
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21 + attach_filename = item->current_attach->filename2;
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22 + } else {
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23 + attach_filename = item->current_attach->filename1;
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24 + }
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25 + if (attach_filename == NULL) {
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26 temp = xmalloc(strlen(f->name)+15);
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27 sprintf(temp, "%s-attach%i", f->name, attach_num);
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28 } else {
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29 - temp = xmalloc(strlen(f->name)+strlen(item->current_attach->filename2)+15);
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30 + temp = xmalloc(strlen(f->name)+strlen(attach_filename)+15);
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31 fp = NULL; x=0;
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32 do {
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33 if (fp != NULL) fclose(fp);
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34 if (x == 0)
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35 - sprintf(temp, "%s-%s", f->name, item->current_attach->filename2);
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36 + sprintf(temp, "%s-%s", f->name, attach_filename);
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37 else
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38 - sprintf(temp, "%s-%s-%i", f->name, item->current_attach->filename2, x);
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39 + sprintf(temp, "%s-%s-%i", f->name, attach_filename, x);
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40 } while ((fp = fopen(temp, "r"))!=NULL && ++x < 99999999);
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41 if (x > 99999999) {
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42 DIE(("error finding attachment name. exhausted possibilities to %s\n", temp));
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43 @@ -878,11 +886,18 @@
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44 fprintf(f->output, "Content-type: %s\n", item->current_attach->mimetype);
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45 }
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46 fprintf(f->output, "Content-transfer-encoding: base64\n");
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47 - if (item->current_attach->filename2 == NULL) {
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48 + // If there is a long filename (filename2) use that, otherwise
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49 + // use the 8.3 filename (filename1)
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50 + if (item->current_attach->filename2) {
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51 + attach_filename = item->current_attach->filename2;
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52 + } else {
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53 + attach_filename = item->current_attach->filename1;
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54 + }
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55 + if (attach_filename == NULL) {
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56 fprintf(f->output, "Content-Disposition: inline\n\n");
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57 } else {
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58 fprintf(f->output, "Content-Disposition: attachment; filename=\"%s\"\n\n",
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59 - item->current_attach->filename2);
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60 + attach_filename);
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61 }
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62 }
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63 if (item->current_attach->data != NULL) {