C'est ce qui empêche un programme d'aller lire/écrire ailleurs en mémoire que dans son segment de data. Enfin dans les systèmes qui l'intègrent
Ximoon :
Memory Mangement Unit
C'est ce qui empêche un programme d'aller lire/écrire ailleurs en mémoire que dans son segment de data. Enfin dans les systèmes qui l'intègrent
).__attribute__((regparm))void *ALLOC_MEM(short mem_to_alloc)
{
mem_to_alloc=mem_to_alloc+2;
if(Mem_aviable<mem_to_alloc)
{
BLOC[nb_ko]=malloc(1024);
BLOC_p = BLOC[nb_ko];
memset(BLOC_p,0,1024);
nb_ko++;
Mem_aviable=1024;
}
Mem_aviable = Mem_aviable - mem_to_alloc;
void *sav = BLOC_p;
BLOC_p++;
return sav;
}
// Pour le texte
void *BLOC[64];
void *BLOC_p;
BLOC_p=BLOC[0]=malloc(1024);
memset(BLOC_p,0,1024);
short Mem_avaible=1024;
short nb_ko=1;
__attribute__((regparm))void *ALLOC_MEM(short mem_to_alloc)
{
if(Mem_avaible<mem_to_alloc)
{
BLOC[nb_ko]=malloc(1024);
BLOC_p = BLOC[nb_ko];
memset(BLOC_p,0,1024);
nb_ko++;
Mem_avaible=1024;
}
Mem_avaible = Mem_avaible - mem_to_alloc;
void *sav = BLOC_p;
BLOC_p = BLOC_p+mem_to_alloc;
return sav;
}
// Pour les paramètres
void *PARAM_BLOC[64];
void *PARAM_BLOC_p=PARAM_BLOC[0]=malloc(1024);
short param_mem=1024;
short nb_ko_param=1;
memset(PARAM_BLOC_p,0,1024);
void *ALLOC_PARAM_MEM(short mem_to_alloc)
{
if(param_mem<(signed)mem_to_alloc)
{
PARAM_BLOC[nb_ko_param]=malloc(1024);
PARAM_BLOC_p = PARAM_BLOC[nb_ko_param];
memset(PARAM_BLOC_p,0,1024);
nb_ko_param++;
param_mem=1024;
}
param_mem = param_mem - (mem_to_alloc);
void *sav = PARAM_BLOC_p;
PARAM_BLOC_p=PARAM_BLOC_p +mem_to_alloc;
return sav;
}
void *BLOC_p;
BLOC_p=BLOC[0]=malloc(1024);
memset(BLOC_p,0,1024);
short Mem_avaible=1024;
short nb_ko=1;
__attribute__((regparm))void *ALLOC_MEM(short mem_to_alloc)
{
if(Mem_avaible<mem_to_alloc)
{
BLOC[nb_ko]=malloc(1024);
BLOC_p = BLOC[nb_ko];
memset(BLOC_p,0,1024);
nb_ko++;
Mem_avaible=1024;
}
Mem_avaible = Mem_avaible - mem_to_alloc;
void *sav = BLOC_p;
BLOC_p = BLOC_p+mem_to_alloc;
return sav;
}
void *ALLOC_MEM(short mem_to_alloc)
{
if(mem_avaible<(signed)mem_to_alloc)
{
FILE *File =fopen("debugp","w+");
fwrite(File,1024,1,BLOC_p);
fclose(File);
BLOC[nb_ko]=malloc(1024);
BLOC_p = BLOC[nb_ko];
memset(BLOC_p,0,1024);
nb_ko++;
mem_avaible=1024;
}
Raphaël
: Ah oui, c'est fprintf() ?
Kevin Kofler
:Raphaël
: Ah oui, c'est fprintf() ?
fprintf, fputs, putc, fputc. Bref, tout ce qui travaille sur des caractères.
FILE *File=fopen("aemlpe","w");
short i=0;
unsigned char *str = TEXT_BLOC[0];
for(i=0;i<1024;i++)
{
fputc(str[i],File);
}
), ben ils font un peu ce qu'ils veulent.
(hors appel système particulier pour changer ça, bien sûr)
The argument mode points to a string. If the string is one of the following, the file is
open in the indicated mode. Otherwise, the behavior is undefined.214)
r open text file for reading
w truncate to zero length or create text file for writing
a append; open or create text file for writing at end-of-file
rb open binary file for reading
wb truncate to zero length or create binary file for writing
ab append; open or create binary file for writing at end-of-file
r+ open text file for update (reading and writing)
w+ truncate to zero length or create text file for update
a+ append; open or create text file for update, writing at end-of-file
r+b or rb+ open binary file for update (reading and writing)
w+b or wb+ truncate to zero length or create binary file for update a+b or ab+ append; open or create binary file for update, writing at end-of-file
,