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Rev | Author | Line No. | Line |
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98 | magnus | 1 | From: Nathaniel <me@nathanielbennett.com> |
2 | Date: Tue, 8 Jun 2021 06:43:29 -0400 |
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3 | Subject: Sanity check for sprintf |
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4 | Origin: https://github.com/shevek/libspf2/commit/28faf4624a6a371b11afdb9820078d3b0ee3803d |
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5 | |||
6 | --- |
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7 | src/libspf2/spf_expand.c | 5 +---- |
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8 | 1 file changed, 1 insertion(+), 4 deletions(-) |
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9 | |||
10 | diff --git a/src/libspf2/spf_expand.c b/src/libspf2/spf_expand.c |
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11 | index e7f5a26f3e1b..25689da11e84 100644 |
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12 | --- a/src/libspf2/spf_expand.c |
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13 | +++ b/src/libspf2/spf_expand.c |
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14 | @@ -398,10 +398,7 @@ top: |
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15 | break; |
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16 | |||
17 | default: |
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18 | - /* No point doing snprintf with a const '4' |
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19 | - * because we know we're going to get 4 |
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20 | - * characters anyway. */ |
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21 | - sprintf( p_write, "%%%02x", *p_read ); |
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22 | + snprintf( p_write, 4, "%%%02x", (unsigned char) *p_read ); |
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23 | p_write += 3; |
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24 | p_read++; |
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25 | break; |
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26 | -- |
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27 | 2.20.1 |
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28 |