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update PCRE2 to version 10.31, fixes #15662

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firefly2442
2018-05-24 00:13:24 -06:00
parent 38284bc6da
commit 5383ae005c
53 changed files with 19864 additions and 17166 deletions
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9
thirdparty/pcre2/src/pcre2_substring.c vendored
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@@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2016 University of Cambridge
New API code Copyright (c) 2016-2018 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@@ -414,7 +414,12 @@ else
for (i = 0; i < count2; i += 2)
{
size = (ovector[i+1] > ovector[i])? (ovector[i+1] - ovector[i]) : 0;
memcpy(sp, match_data->subject + ovector[i], CU2BYTES(size));
/* Size == 0 includes the case when the capture is unset. Avoid adding
PCRE2_UNSET to match_data->subject because it overflows, even though with
zero size calling memcpy() is harmless. */
if (size != 0) memcpy(sp, match_data->subject + ovector[i], CU2BYTES(size));
*listp++ = sp;
if (lensp != NULL) *lensp++ = size;
sp += size;