22 lines
631 B
Diff
22 lines
631 B
Diff
diff -urNp a/camlibs/ptp2/ptp-pack.c b/camlibs/ptp2/ptp-pack.c
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--- a/camlibs/ptp2/ptp-pack.c 2019-03-06 10:03:33.493129377 +0100
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+++ b/camlibs/ptp2/ptp-pack.c 2019-03-06 10:07:04.136243129 +0100
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@@ -136,12 +136,16 @@ ptp_unpack_string(PTPParams *params, uns
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size_t nconv, srclen, destlen;
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char *src, *dest;
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+ *len = 0;
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+
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if (offset + 1 >= total)
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return NULL;
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length = dtoh8a(&data[offset]); /* PTP_MAXSTRLEN == 255, 8 bit len */
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- if (length == 0) /* nothing to do? */
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+ if (length == 0){ /* nothing to do? */
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+ *len = 0;
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return NULL;
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+ }
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if (offset + 1 + length*sizeof(string[0]) > total)
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return NULL;
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