From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-prs-return-25926-listarch-gcc-prs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 16165 invoked by alias); 8 Dec 2002 02:26:02 -0000
Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Archive: <http://gcc.gnu.org/ml/gcc-prs/>
List-Post: <mailto:gcc-prs@gcc.gnu.org>
List-Help: <mailto:gcc-prs-help@gcc.gnu.org>
Sender: gcc-prs-owner@gcc.gnu.org
Received: (qmail 16129 invoked by uid 71); 8 Dec 2002 02:26:02 -0000
Resent-Date: 8 Dec 2002 02:26:02 -0000
Resent-Message-ID: <20021208022602.16128.qmail@sources.redhat.com>
Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer)
Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org
Resent-Reply-To: gcc-gnats@gcc.gnu.org, theaterfire@yahoo.com
Received: (qmail 29517 invoked by uid 61); 8 Dec 2002 02:19:17 -0000
Message-Id: <20021208021917.29516.qmail@sources.redhat.com>
Date: Sat, 07 Dec 2002 18:26:00 -0000
From: theaterfire@yahoo.com
Reply-To: theaterfire@yahoo.com
To: gcc-gnats@gcc.gnu.org
X-Send-Pr-Version: gnatsweb-2.9.3 (1.1.1.1.2.31)
Subject: c/8868: GCC 3.2, 3.2.1 fail to compile with <sys/stat.h> functions in C99 mode
X-SW-Source: 2002-12/txt/msg00455.txt.bz2
List-Id: <gcc-prs.sourceware.org>


>Number:         8868
>Category:       c
>Synopsis:       GCC 3.2, 3.2.1 fail to compile with <sys/stat.h> functions in C99 mode
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Dec 07 18:26:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Tim
>Release:        gcc version 3.2 (mingw special 20020817-1) and others
>Organization:
>Environment:
Configured with: ../gcc/configure --with-gcc --with-gnu-ld --with-gnu-as --host=mingw32 --target=mingw32 --prefix=/mingw --enable-threads --disable-nls --enable-languages=f77,c++,objc,ada --disable-win32-registry --disable-shared
Thread model: win32
gcc version 3.2 (mingw special 20020817-1)
>Description:
Using struct stat, stat(), or fstat() from <sys/stat.h> causes compilation to fail in gcc 3.2 under C99 mode.  In some cases, it also causes errors to be reported about other functions that compile properly without the introduction of <sys/stat.h> elements.

The test program below has been tested to compile properly under gcc 2.95.3 (mingw), gcc 3.0.2 (Linux, glibc 2.1, C89 and C99), gcc 3.2 (mingw, C89), and gcc 3.2.1 (Linux, C89).  It has failed testing under gcc 3.2 (Solaris, mingw, C99) and gcc 3.2.1 (Linux).

If all <sys/stat.h> elements are removed from the sample, it will properly compile in C99 mode.  Note that with the <sys/stat.h> elements, gcc will also warn of implicit declaration of fileno(), included from <stdio.h>.  

Unfortunately, I do not have the resources to test this behavior under the latest development snapshot.

~$ gcc -o testme testme.c -std=c99
testme.c: In function `main':
testme.c:6: storage size of `filestat' isn't known
testme.c:12: warning: implicit declaration of function `fstat'
testme.c:12: warning: implicit declaration of function `fileno'
>How-To-Repeat:
/* test_stat.c */

#include <sys/stat.h>
#include <stdio.h>

int main()
{
    struct stat  filestat;
    FILE         *openfile;
    int          test;

    openfile = fopen("anyfile.txt", "r");

    fstat(fileno(openfile), &filestat);
    
    test = filestat.st_size;

    printf("test = %d\n", test);

    fclose(openfile);

    return 0;
}
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: