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cgpt: do not show length of 1 for undefined partitions

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If a partition isn't "defined", then don't declare its size as 1.

BUG=chromium:236941
TEST=`cbuildbot {x86,amd64,arm}-generic-full` pass
TEST=`cgpt show -i 100 -s chromiumos_image.bin` shows 0
BRANCH=none

Change-Id: I538546b6b37a9137958d6f926a58753cf52c946a
Reviewed-on: https://gerrit.chromium.org/gerrit/50074
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
This commit is contained in:
Mike Frysinger
2013-05-03 18:05:16 -04:00
committed by ChromeBot
parent 48b26dff12
commit 98624d3744
1 changed files with 7 additions and 2 deletions
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9
cgpt/cgpt_show.c
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@@ -232,9 +232,14 @@ int CgptShow(CgptShowParams *params) {
case 'b':
printf("%" PRId64 "\n", entry->starting_lba);
break;
case 's':
printf("%" PRId64 "\n", entry->ending_lba - entry->starting_lba + 1);
case 's': {
uint64_t size = 0;
// If these aren't actually defined, don't show anything
if (entry->ending_lba || entry->starting_lba)
size = entry->ending_lba - entry->starting_lba + 1;
printf("%" PRId64 "\n", size);
break;
}
case 't':
GuidToStr(&entry->type, buf, sizeof(buf));
printf("%s\n", buf);