7f49ed2cbb
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60 lines
2.1 KiB
Diff
60 lines
2.1 KiB
Diff
From 32e83fc2d59413d13039cc31db1558d9c0e3b874 Mon Sep 17 00:00:00 2001
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From: ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069>
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Date: Thu, 14 Jan 2021 16:56:44 +0000
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Subject: [PATCH] Get rid of gcc -fanalyzer error (though it was probably a
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false positive).
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1293 6239d852-aaf2-0410-a92c-79f79f948069
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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Petr Pisar: Ported to 10.36.
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---
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src/pcre2_auto_possess.c | 13 +++++++++----
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diff --git a/src/pcre2_auto_possess.c b/src/pcre2_auto_possess.c
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index c64cf85..66064ed 100644
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--- a/src/pcre2_auto_possess.c
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+++ b/src/pcre2_auto_possess.c
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@@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
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Written by Philip Hazel
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Original API code Copyright (c) 1997-2012 University of Cambridge
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- New API code Copyright (c) 2016-2020 University of Cambridge
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+ New API code Copyright (c) 2016-2021 University of Cambridge
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-----------------------------------------------------------------------------
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Redistribution and use in source and binary forms, with or without
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@@ -490,6 +490,7 @@ switch(c)
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list[2] = (uint32_t)(end - code);
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return end;
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}
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+
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return NULL; /* Opcode not accepted */
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}
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@@ -1186,12 +1187,16 @@ for (;;)
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c = *repeat_opcode;
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if (c >= OP_CRSTAR && c <= OP_CRMINRANGE)
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{
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- /* end must not be NULL. */
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+ /* The return from get_chr_property_list() will never be NULL when
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+ *code (aka c) is one of the three class opcodes. However, gcc with
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+ -fanalyzer notes that a NULL return is possible, and grumbles. Hence we
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+ put in a check. */
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+
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end = get_chr_property_list(code, utf, ucp, cb->fcc, list);
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-
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list[1] = (c & 1) == 0;
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- if (compare_opcodes(end, utf, ucp, cb, list, end, &rec_limit))
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+ if (end != NULL &&
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+ compare_opcodes(end, utf, ucp, cb, list, end, &rec_limit))
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{
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switch (c)
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{
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--
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2.26.2
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