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# 1  
Old 09-25-2009
the sys_errlist.h problem

hi everyone !!!i hope that all the members are in good mood help me in my problem!!

when i'm trying to compile with gcc i got this problem:

Quote:
gcc -c -DLINUX -DUNIX_OPSYS -DDEBUG -I/home/oracle/Open2/COMMON/inc -I/home/oracle/Open2/dbg -I/home/oracle/Open2/syu/inc -I/home/oracle/Open2/syu/LGM/inc -I/usr/local/oracle/9.2.0/precomp/public -DLINUX -DUNIX_OPSYS -DDEBUG -I/home/oracle/Open2/COMMON/inc -I/home/oracle/Open2/dbg -I/home/oracle/Open2/syu/inc -I/home/oracle/Open2/syu/LGM/inc -I/usr/local/oracle/9.2.0/precomp/public -c -o su_lgm_lib_ctim.o su_lgm_lib_ctim.c
su_lgm_lib_ctim.c:39: erreur: conflicting types for ‘sys_errlist'
/usr/include/bits/sys_errlist.h:28: erreur: previous declaration of ‘sys_errlist' was here
make: *** [su_lgm_lib_ctim.o] Erreur 1
when i go to the code there is nothing unusual :

Code:
/****************************************************************************/
/* Project: ePOST/Open2 */
/* File Name: su_lgm_lib_ctim.c */
/* Subsystem: System Utilities */
/* Module: LGM - Log Manager internal libraries */
/* Process: LGM */
/* Description: Log Manage common functions */
/* Author(s): R. Navone */
/* Created: 24-Set-1996 */
/****************************************************************************/
/* Modification History */
/* */
/* Revision Date Who modified Description */
/* ........ ..-...-.... ............. ............................... */
/****************************************************************************/

/****************************************************************************/
/* INCLUDEs and DEFINEs */
/****************************************************************************/

#include "su_lgm.h"
#include "su_debug.h"


/* What string. It must be defined in all source files */
static char lgmlib_c[]="@(#)$Workfile: su_lgm_lib_ctim.c $,$Revision: 2.0 $,$Modtime: 30 Jan 2003 15:36:32 $";

#ifdef FL_STATIC
static char *SrC_NAmE = __FILE__;
#define _FL SrC_NAmE,__LINE__
#else
#define _FL __FILE__,__LINE__
#endif

/****************************************************************************/
/* GLOBAL/EXTERNAL VARIABLES */
/****************************************************************************/
extern int errno, sys_nerr;
extern char *sys_errlist[];
extern int Debug;

/****************************************************************************/
/* FUNCTIONS DEFINITION */
/****************************************************************************/
/****************************************************************************/
/* Function: our_ctime */
/* L.M. Date: 24-Jun-1996 */
/* Description: Like the orginal ctime(), but the returned string doesn't */
/* contain new line (s). */
/****************************************************************************/
char *our_ctime(time_t t)
{
register char *p1, *p2;

p1 = p2 = (char *)ctime(&t);
while(*p1)
{
if (*p1 == '\n')
{
*p1 = 0;
return(p2);
}
p1++;
}
return(p2);
}
i tried to resolve this problem so i tried to go to the
/usr/include/bits/sys_errlist.h

and i open it but i didn't understand anything:
Code:
Declare sys_errlist and sys_nerr, or don't. Compatibility (do) version.
Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */

#ifndef _STDIO_H
# error "Never include <bits/sys_errlist.h> directly; use <stdio.h> instead."
#endif

/* sys_errlist and sys_nerr are deprecated. Use strerror instead. */

#ifdef __USE_BSD
extern int sys_nerr;
extern __const char *__const sys_errlist[];
#endif
#ifdef __USE_GNU
extern int _sys_nerr;
extern __const char *__const _sys_errlist[];
#endif
so i included the stdio.h in the file and nothing happen,i tried to use the -D OPTION to tell the complierv to use __USE_GNU

any idea for this problem!!
# 2  
Old 09-25-2009
sys_errlist is already defined in something it included and doesn't need to be defined again in su_lgm_lib_ctim.c. They probably tried to avoid including anything that defined it, but somehow it did. Playing with -D won't stop your own code from defining something that already exists, and you shouldn't define GNU_SOURCE without understanding the effects it has anyway(lots -- it's saying "I use and want to use all nonstandard GNU extensions"). Nor will adding another header help when it's defined too many times already. Smilie Try just commenting out the line:

Code:
//extern char *sys_errlist[];


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