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From: safari@iki.fi
To: gcc-gnats@gcc.gnu.org
Subject: c/6198: reaching end of main() should cause return with 0
Date: Fri, 05 Apr 2002 17:36:00 -0000	[thread overview]
Message-ID: <20020406013344.13554.qmail@sources.redhat.com> (raw)


>Number:         6198
>Category:       c
>Synopsis:       reaching end of main() should cause return with 0
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Apr 05 17:36:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     safari@iki.fi
>Release:        3.0.4
>Organization:
>Environment:
Linux 2.4.19-pre3-aa2 i686

host: i686-pc-linux-gnu                                                               
build: i686-pc-linux-gnu                                                              
target: i686-pc-linux-gnu                                                             
configured with: /mnt/tmpfs/1/gcc-3.0.4/configure                                     
>Description:
http://www.opengroup.org/onlinepubs/007904975/functions/exit.html
says:
"Reaching the end of the main() function has the same behavior as calling exit(0)."

however, gcc does not set %eax register to 0 before `ret', causing (on my system) this program to return with 1:

int main(void) { }

>How-To-Repeat:

>Fix:
trivial ;-D
>Release-Note:
>Audit-Trail:
>Unformatted:


             reply	other threads:[~2002-04-06  1:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-05 17:36 safari [this message]
2002-04-05 23:16 jsm28

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