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hashtable: Fix length calculation in hexport_r

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The length returned by hexport_r has a few redundant characters.
This appears as NULL characters at the end so seems harmless.

Remove the surplus counts in two places

totlen += strlen(ep->key) + 2;
I'm guessing the +2 here is for = and sep char. But there is another
totlen += 2; line that does that.

size = totletn + 1;
Doesn't make sense and isn't justified with any comment.

Signed-off-by: Zubair Lutfullah Kakakhel <zubair@resin.io>
This commit is contained in:
Zubair Lutfullah Kakakhel 2018-07-17 19:25:38 +01:00 committed by Tom Rini
parent e9ee7398d6
commit f1b20acb4a
1 changed files with 2 additions and 2 deletions
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4
lib/hashtable.c
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@ -622,7 +622,7 @@ ssize_t hexport_r(struct hsearch_data *htab, const char sep, int flag,
list[n++] = ep;
totlen += strlen(ep->key) + 2;
totlen += strlen(ep->key);
if (sep == '\0') {
totlen += strlen(ep->data);
@ -662,7 +662,7 @@ ssize_t hexport_r(struct hsearch_data *htab, const char sep, int flag,
return (-1);
}
} else {
size = totlen + 1;
size = totlen;
}
/* Check if the user provided a buffer */