Mailing-List: contact cygwin-help@sourceware.cygnus.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@sources.redhat.com Delivered-To: mailing list cygwin@sources.redhat.com X-Envelope-Sender-Is: Andrej.Borsenkow@mow.siemens.ru (at relayer david.siemens.de) From: "Andrej Borsenkow" To: Subject: Exit code zero in case of STATUS_ACCESS_VIOLATION - AC_TRY_RUN confused Date: Wed, 26 Jul 2000 11:13:10 +0400 Message-ID: <000201bff6d0$f46e19f0$21c9ca95@mow.siemens.ru> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) In-reply-to: Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 > > This particular problem was due to tgetent() problem. Zsh tests, if > > tgetent() accepts null pointer for buffer. Unfortunately, > test always > > succeeded, but running under gdb showed, that Zsh crashed in > > tgetent(0,"cygwin"). > > Test succeeded because you get exit status 0 in case of program crash (and AC_TRY_RUN believed everything O.K.): mw1g017@MW1G17C ~/src/temcap $ cat main.c main() { int i = tgetent((char*)0,"vt100"); if (i > 0) { char tbuf[1024], *u; u = tbuf; tgetstr("cl", &u); } exit(!i || i == -1); } mw1g017@MW1G17C ~/src/temcap $ gcc -o main main.c -ltermcap mw1g017@MW1G17C ~/src/temcap $ ./main 0 [main] main 1010 handle_exceptions: Exception: STATUS_ACCESS_VIOLATION 3317 [main] main 1010 stackdump: Dumping stack trace to main.exe.stackdump mw1g017@MW1G17C ~/src/temcap $ echo $? 0 Is it expected? The above is exact test as used in Zsh. (ncurses obviously has more friendly tgetent() :-) -andrej P.S. I'd appreciate Cc as I am not on this list. -- Want to unsubscribe from this list? Send a message to cygwin-unsubscribe@sourceware.cygnus.com