Hi Roland, Roland Rosenfeld wrote: > Oh, now I see the problem: pcre_copy_substring() returns the length of > the string on match, while pcre2_substring_copy_bynumber() returns 0 > on success. So the above has to be changed from "> 0" to "== 0".
Of course... Many thanks for finding and fixing my mistakes! > For showgraph.c this fixes the issue, but there are more places where > the return code of pcre2_substring_copy_bynumber() is checked, which > also may need adoption. I found the following places: Right, thanks again. Have you found some other issues? I tried to trigger as much PCRE-related code as possible but as I'm not familiar with this program I'm afraid I couldn't manage.
