ProvaPratica 2011.09.12
Revision as of 14:53, 28 April 2014 by Stefano 92 (talk | contribs) (Created page with "<h1>http://www.cs.unibo.it/~renzo/so/compiti/2011-09-12.pdf</h1> == Esercizio 1 == <syntaxhighlight lang="C"> #include <stdio.h> #include <sys/types.h> #include <dirent.h> ...")
http://www.cs.unibo.it/~renzo/so/compiti/2011-09-12.pdf
Esercizio 1
#include <stdio.h>
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
int N_DIR1=0,N_DIR2=0;
int source(char*s)
{
int x=strlen(s);
if (x>=3)
{
if ((s[x-1]=='c') || (s[x-1]=='h'))
{
if (s[x-2]=='.') return 1;
}
}
return 0;
}
void print_diff(char**dir1,char**dir2)
{
int i,j,found=0;
for (i=0;i<N_DIR1;i++){
for(j=0;j<N_DIR2;j++){
if (!strcmp(dir1[i],dir2[j]))
found=1;
}
if (found!=1)
printf("%s presente solo nella directory 1\n",dir1[i]);
found=0;
}
found=0;
for (i=0;i<N_DIR2;i++)
{
printf("SONO NEL FOR™\n");
for(j=0;j<N_DIR1;j++){
if (!strcmp(dir2[i],dir1[j]))
found=1;
}
if (found!=1)
printf("%s presente solo nella directory 2\n",dir2[i]);
found=0;
}
return;
}
int main (int argc,char*argv[])
{
int ris,i=0;
char c;
char*tmp;
struct stat prova;
char**filedir1=NULL,**filedir2=NULL;
DIR *dp,*dp2;
struct dirent *ep;
if (argc!=3)
{
printf("Usage: ./cmpsource.out DIR1 DIR2\n");
return(1);
}
/*APERTURA DIRECTORY 1*/
dp = opendir (argv[1]);
if (dp != NULL)
{
while ((ep = readdir (dp))) /*Leggo i file nella directory*/
{
ris=lstat(ep->d_name,&prova); /*Recupero le informazioni sul file*/
if (S_ISREG(prova.st_mode)) /*file regolare*/
{
/*IL FILE E' UN ESEGUIBILE REGOLARE*/
if (source(ep->d_name)){ /*IL FILE E' UN SORGENTE (.c/.h)*/
N_DIR1++;
filedir1=(char**)realloc(filedir1,N_DIR1*sizeof(char*));
filedir1[N_DIR1-1]=ep->d_name;
}
}
}
closedir (dp); /*ORA IN filedir1[] CI SONO TUTTI I FILE SORGENTE DELLA DIRECTORY 1*/
}
/*FINE LETTURA DIRECTORY 1*/
/*APERTURA DIRECTORY 2*/
dp2 = opendir (argv[2]);
if (dp2 != NULL)
{
while ((ep = readdir (dp2))) /*Leggo i file nella directory*/
{
ris=lstat(ep->d_name,&prova); /*Recupero le informazioni sul file*/
if (S_ISREG(prova.st_mode)) /*file regolare*/
{
/*IL FILE E' UN ESEGUIBILE REGOLARE*/
if (source(ep->d_name)){ /*IL FILE E' UN SORGENTE (.c/.h)*/
N_DIR2++;
filedir2=(char**)realloc(filedir2,N_DIR2*sizeof(char*));
filedir2[N_DIR2-1]=ep->d_name;
}
}
}
closedir (dp); /*ORA IN filedir1[] CI SONO TUTTI I FILE SORGENTE DELLA DIRECTORY 1*/
}
/*FINE LETTURA DIRECTORY 2*/
print_diff(filedir1,filedir2);
return 0;
}
stefano92