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comparison libinterp/corefcn/regexp.cc @ 31114:5cf18ef0377c stable

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regexp: Check pattern length before accessing it (bug #62704). * liboctave/util/lo-regexp.cc (regexp::compile_internal): Check string length before accessing character at position. * libinterp/corefcn/regexp.cc (Fregexp): Add test.
author Markus Mützel <markus.muetzel@gmx.de>
date Mon, 04 Jul 2022 20:36:01 +0200
parents 796f54d4ddbf
children d8d90ba892b0
comparison
equal deleted inserted replaced
31112:7060de0b45e5 31114:5cf18ef0377c
910 %! warning (ws); 910 %! warning (ws);
911 %! end_unwind_protect 911 %! end_unwind_protect
912 912
913 ## segfault test 913 ## segfault test
914 %!assert (regexp ("abcde", "."), [1,2,3,4,5]) 914 %!assert (regexp ("abcde", "."), [1,2,3,4,5])
915 %!assert <*62704> (regexpi('(', '\(?'), 1)
915 ## Infinite loop test 916 ## Infinite loop test
916 %!assert (isempty (regexp ("abcde", ""))) 917 %!assert (isempty (regexp ("abcde", "")))
917 918
918 ## Check that anchoring of pattern works correctly 919 ## Check that anchoring of pattern works correctly
919 %!assert (regexp ('abcabc', '^abc'), 1) 920 %!assert (regexp ('abcabc', '^abc'), 1)