Any other comments? On 31 January 2015 at 22:30, Egor Pugin <egor.pu...@gmail.com> wrote: > Hi! > > build_msg -D msg.fdb -P ./ -F firebird.msg -L all > when msg.fdb is absent will result in infinite loop. > > I have the simple fix - try to open specified file, but maybe someone > has better solution. > http://pastebin.com/YUtu8Znz > > Original problem is that after preprocessing structures/variables like > struct isc_33_struct { > short isc_34; /* isc_utility */ > } isc_33; > are not nulled on definition, so thay have trash contents. > > From build_msg.cpp > > bool got_one = false; > /*FOR FIRST 1 L IN LOCALES WITH L.LOCALE = locale*/ > { > if (!isc_29) > isc_compile_request2 (NULL, (FB_API_HANDLE*) &DB, > (FB_API_HANDLE*) &isc_29, (short) sizeof(isc_30), (char*) isc_30); > isc_vtov ((const char*) locale, (char*) isc_31.isc_32, 21); > isc_start_and_send (NULL, (FB_API_HANDLE*) &isc_29, > (FB_API_HANDLE*) &gds_trans, (short) 0, (short) 21, &isc_31, (short) > 0); > while (1) > { > isc_receive (NULL, (FB_API_HANDLE*) &isc_29, > (short) 1, (short) 2, &isc_33, (short) 0); > if (!isc_33.isc_34) break; > got_one = true; > /*END_FOR;*/ > } > > isc_receive catches exception during interface call, so no value > assigned to isc_33.isc_34 and it is not nulled neither in isc_receive > nor before. > Then "trash check" occurs: if (!isc_33.isc_34) break; so no break at > all -> infinite loop. > > --- > > My solution is simple and only for build_msg, but this problem > potentially still exists in other preprocessed files. > > > -- > Egor Pugin
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