diff options
Diffstat (limited to 'thirdparty/pcre2/src/pcre2_auto_possess.c')
| -rw-r--r-- | thirdparty/pcre2/src/pcre2_auto_possess.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/thirdparty/pcre2/src/pcre2_auto_possess.c b/thirdparty/pcre2/src/pcre2_auto_possess.c index c64cf856d1..e5e0895682 100644 --- a/thirdparty/pcre2/src/pcre2_auto_possess.c +++ b/thirdparty/pcre2/src/pcre2_auto_possess.c @@ -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) 2016-2020 University of Cambridge + New API code Copyright (c) 2016-2021 University of Cambridge ----------------------------------------------------------------------------- Redistribution and use in source and binary forms, with or without @@ -490,6 +490,7 @@ switch(c) list[2] = (uint32_t)(end - code); return end; } + return NULL; /* Opcode not accepted */ } @@ -1186,12 +1187,16 @@ for (;;) c = *repeat_opcode; if (c >= OP_CRSTAR && c <= OP_CRMINRANGE) { - /* end must not be NULL. */ - end = get_chr_property_list(code, utf, ucp, cb->fcc, list); + /* The return from get_chr_property_list() will never be NULL when + *code (aka c) is one of the three class opcodes. However, gcc with + -fanalyzer notes that a NULL return is possible, and grumbles. Hence we + put in a check. */ + end = get_chr_property_list(code, utf, ucp, cb->fcc, list); list[1] = (c & 1) == 0; - if (compare_opcodes(end, utf, ucp, cb, list, end, &rec_limit)) + if (end != NULL && + compare_opcodes(end, utf, ucp, cb, list, end, &rec_limit)) { switch (c) { |