Codice: Seleziona tutto
//This function take the filename as parameter
//get his extension and find in the config file
//the relative program (if exist).
//This function returns the string of the program if exists
//otherwise returns NULL
char* FindFileAssociation(char *line)
{
FILE *stream=NULL;
char conffile[2048];
char ext[2048];
char *home=NULL;
char *result=NULL;
char *p=NULL;
char *l=NULL,*j=NULL, *k=NULL;;
char *temp=NULL;
int n=2047;
int i=0;
if(!line)
{
fprintf(stderr,"ERROR!!! line parameter is NULL\n");
fprintf(stderr,"This error could not happen!!! what's wrong!!! HEEEEEEELP!!!\n");
fprintf(stderr,"Error in FindFileAssociation in [association.c]\n");
return NULL;
}
//allocating the string that contains the result
result=malloc(2048);
if(!result)
{
fprintf(stderr,"Could not allocate the memory for the result string\n");
fprintf(stderr,"Error in FindFileAssociation in [association.c]\n");
return NULL;
}
//Zeroing out the structure
memset(result,0,2048);
//searching the extension .something
//we simply search the first dot in the string line
p=line;
while(*p!='.')
{
if(p=='\0')
{
fprintf(stderr,"There is no extension in the filename!!!\n");
fprintf(stderr,"Could not continue! Error in FindFileAssociation in [association.c]\n");
free(result);
result=NULL;
return NULL;
}
p++;
}
p++; //step to the extensions after the dot
//Opening the config file
home=getenv("HOME");
if(!home)
{
fprintf(stderr,"Could not take the home directory!\n");
fprintf(stderr,"Error in FindFileAssociation [association.c]\n");
return NULL;
}
memset(conffile,0,2048);
strcpy(conffile,home);
strcat(conffile,"/.bohshell_conf");
stream=fopen(conffile,"rt");
if(!stream)
{
fprintf(stderr,"There is no config file [~/.bohshell_conf]\n");
fprintf(stderr,"Could not continue! Error in FindFileAssociation in [association.c]\n");
free(result);
result=NULL;
return NULL;
}
//finding the first tag @start bohsh config
while(1)
{
//free(temp);
//temp=NULL;
if(getline(&temp,&n,stream)==-1)
{
fprintf(stderr,"Warning!reached the end of configuration file\n");
fprintf(stderr,"whithout finding tags\n");
fprintf(stderr,"No association file found\n");
fclose(stream);
free(result);
result=NULL;
return NULL;
}
l=temp;
//space removal
while(*l==' ')l++;
if(*l=='@')
{
//verifying
j=l;
while(*j!='\0')
{
if(*j=='\n')
{
*j='\0';
break;
}
j++;
}
if(strcmp(l,"@start association\0")!=0)
{
printf("%s\n",l);
fprintf(stderr,"Warning!error in the parsing of configuration file\n");
fprintf(stderr,"could not find @start association config\n");
fprintf(stderr,"No association file found\n");
}
else
{
printf("HERE\n");
break;
}
}
memset(temp,0,2048);
}
//finding the program association
memset(temp,0,2048);
while(1)
{
printf("HERE1\n");
if(getline(&temp,&n,stream)==-1)
{
fprintf(stderr,"Warning!reached the end of configuration file\n");
fprintf(stderr,"whithout finding tags\n");
fprintf(stderr,"No association file found\n");
fclose(stream);
free(result);
result=NULL;
return NULL;
}
l=temp;
if(strcmp(p,"@end association\0")==0)
{
fprintf(stderr,"Warning!reached the end of configuration tag\n");
fprintf(stderr,"whithout finding associations\n");
fprintf(stderr,"No association file found\n");
fclose(stream);
free(result);
result=NULL;
return NULL;
}
while(*l==' ') l++;
//copyng the extension
memset(ext,0,2048);
for(i=0; i<2047; i++)
{
//we exit if we reach the end of the config string
//because we have no program associated with the extension
if(*l=='\0' || *l=='\n')
{
fprintf(stderr,"Error! Bad config option\n");
fprintf(stderr,"in the association settings\n");
fprintf(stderr,"No program associated to an extension\n");
fclose(stream);
free(result);
result=NULL;
return NULL;
}
//we find the estension!
//we can exit by this for to control if
//the extension is the one we are searching for
if(*l==' ' || *l=='|')
{
//space and '|' removal
while(*l==' ' || *l=='|')
{
l++;
}
break;
}
ext[i]=*l;
l++;
}
ext[i+1]='\0';
i=0;
i=strcmp(p,ext);
if(i==0)
{
//return the program name with parameters
//associated to the extension
strcpy(result,l);
printf("FOFO\n");
//fclose(stream);
return result;
}
}//end while find the program association
}
Se la decommento e di conseguenza da bravo chiudo il file il programma mi esplode!
Secondo voi perchè?????
ciao
Gio
