Re: Help !! Prog C++ pour connection MYSQL

Article View: fr.comp.os.ms-windows.programmation

Article #24

Back to fr.comp.os.ms-windows.programmation Previous Next

#24

From: Laurent Oget
Date: Mon, 18 Mar 2002 19:15

37 lines
2527 bytes

Makmaze <makmaze@invalid.com> writes:
> 
> Je fait que �a. En fait j'ai trouv� qu'un exemple d'utilisation de
> cette DLL, cod� en C qui n'utilise qu' une fonction main. Si je fait
> pareil avec une seule fonction, l� �a ne plante pas (mais c'est pas ce
> que je cherche � faire ). Si si b�bugue mon programme je vois qu'il
> plante qu'en je sort de la premi�re fonction qui c'est servie de la
> DLL...
>

au hasard, as tu alloue la memoire necessaire a l'objet MYSQL?

mysql_init() a un comportement un peu non intuitif:

MYSQL *mysql_init(MYSQL *mysql)

 Allocates    or   initializes   a    MYSQL   object    suitable   for
 mysql_real_connect().  If  mysql  is  a NULL  pointer,  the  function
 allocates,  initializes,  and returns  a  new  object. Otherwise  the
 object is initialized  and the address of the  object is returned. If
 mysql_init()  allocates   a  new  object,  it  will   be  freed  when
 mysql_close() is called to close the connection.

ecrire

MYSQL* dbh;
mysql_init(dbh);

conduit a un comportement indefini......

-- 
Laurent Oget, Ph.D. 	laurent@oget.net	http://oget.net
Senior Engineer		Zvolve Systems Inc 	http://zvolve.com
Chercheur Associ� 	Liafa			http://liafa.jussieu.fr

Technical Details

Message-ID: <7ladt58z6v.fsf@zvolve.com>

Path:

arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!canoe.uoregon.edu!logbridge.uoregon.edu!sunqbc.risq.qc.ca!falcon.america.net!eagle.america.net.POSTED!not-for-mail

References:

<m21a9ucnc6bo98evnh2m29emgnb7ik2em6@4ax.com> <3c959f9c$0$23196$626a54ce@news.free.fr> <17kb9u4nsu772j9em8g2ja11qusc0akdt0@4ax.com> <3c95d72b$0$23189$626a54ce@news.free.fr> <3qsb9u8abe92hhl66b9a8llb6tu6tub114@4ax.com>

Show Full Headers

Complete Article Headers

X-Google-Language: FRENCH,ASCII
X-Google-Thread: ffbfc,fb5b11797bbb0e9a
X-Google-Attributes: gidffbfc,public
X-Google-Thread: 1053e6,fb5b11797bbb0e9a
X-Google-Attributes: gid1053e6,public
X-Google-Thread: fdcad,fb5b11797bbb0e9a
X-Google-Attributes: gidfdcad,public
X-Google-ArrivalTime: 2002-03-18 11:15:48 PST
Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!canoe.uoregon.edu!logbridge.uoregon.edu!sunqbc.risq.qc.ca!falcon.america.net!eagle.america.net.POSTED!not-for-mail
Sender: loget@zvisws02
Newsgroups: fr.comp.os.ms-windows.programmation,fr.comp.lang.c++,fr.comp.applications.sgbd
Subject: Re: Help !! Prog C++ pour connection MYSQL
References: <m21a9ucnc6bo98evnh2m29emgnb7ik2em6@4ax.com> <3c959f9c$0$23196$626a54ce@news.free.fr> <17kb9u4nsu772j9em8g2ja11qusc0akdt0@4ax.com> <3c95d72b$0$23189$626a54ce@news.free.fr> <3qsb9u8abe92hhl66b9a8llb6tu6tub114@4ax.com>
From: Laurent Oget <loget@zvolve.com>
Message-ID: <7ladt58z6v.fsf@zvolve.com>
Lines: 37
X-Newsreader: Gnus v5.7/Emacs 20.7
Date: 18 Mar 2002 14:15:36 -0500
NNTP-Posting-Host: 216.3.26.18
X-Trace: eagle.america.net 1016478942 216.3.26.18 (Mon, 18 Mar 2002 14:15:42 EST)
NNTP-Posting-Date: Mon, 18 Mar 2002 14:15:42 EST
Organization: 24hoursupport.com

Reply to Parent Message