-w, -W, -r all working

lib/api/api.c

@@ -1259,7 +1259,6 @@ int reciveData(response_t *res, int expected) {
 	readnres = readn(fd_skt, &res->numfiles, sizeof(int));
 	if(readnres<=0) // readn sets errno
 	    return -1;
-
 	if(res->rf)
 	    free(res->rf);
 	res->rf = calloc(res->numfiles, sizeof(recivedFile_t));
@@ -1267,6 +1266,7 @@ int reciveData(response_t *res, int expected) {
 	    perror("calloc");
 	    return -1;
 	}
+
 	// get files
 	for(int i=0;i<res->numfiles;++i) {
 	    // read path
@@ -1350,10 +1350,11 @@ _nofile:
 	// file purged
 	res->meerrno = 0;
 	// get number of files sent
-	readnres = readn(fd_skt, &res->numfiles, sizeof(int));
+	readnres = readn(fd_skt, &res->numfiles, sizeof(int64_t));
 	if(readnres<=0) // readn sets errno
 	    return -1;
 
+
 	if(res->rf)
 	    free(res->rf);
 	res->rf = calloc(res->numfiles, sizeof(recivedFile_t));
@@ -1386,6 +1387,16 @@ _nofile:
 	    readnres = readn(fd_skt, &res->rf[i].filelen, sizeof(int64_t));
 	    if(readnres<=0) // readn sets errno
 		return -1;
+
+	    // file has lenght 0 -> allocate memory but dont read
+	    if(res->rf[i].filelen == 0) {
+		res->rf[i].file = calloc(1, sizeof(char));
+		if(!res->rf[i].file){
+		    perror("calloc");
+		    return -1;
+		}
+		continue;
+	    }
 	    res->rf[i].file = calloc(res->rf[i].filelen, sizeof(char));
 	    if(!res->rf[i].file){
 		perror("calloc");

lib/threadpool/apiFile.c

@@ -96,16 +96,18 @@ int sendFile(fileT *f, long fd_c, taglia_t *taglia) {
 	perror("writen");
 	return -1;
     }
-    if (writen(fd_c, f->data, f->valid) < 0) {
-	perror("writen");
-	return -1;
+    if(validLength != 0) { // if file has length 0 dont write
+	if (writen(fd_c, f->data, validLength) < 0) {
+	    perror("writen");
+	    return -1;
+	}
     }
 
     char tmp_log[LOGBUFSIZE];
     int n = 0;
     size_t m = sizeof(tmp_log);
 
-    n += snprintf(tmp_log+n, m-n, "File \"%s\", di dimensione %"PRId64" Bytes al client %ld .\n", f->filepath, validLength, fd_c);
+    n += snprintf(tmp_log+n, m-n, "Inviato file \"%s\", di dimensione %"PRId64" Bytes al client %ld .\n", f->filepath, validLength, fd_c);
     if(taglia_write(taglia, tmp_log) < 0) {
 	perror("taglia_write");
 	return 1;
@@ -132,7 +134,7 @@ void sendMessageFile(char *m, fileT *f, long fd_c, taglia_t *taglia, char *mlog)
     }
 
     int64_t *n = calloc(1, sizeof(*n));
-    if(n==NULL) {
+    if(!n) {
 	perror("calloc");
 	goto _sendMF_cleanup;
     }
@@ -275,7 +277,7 @@ void openFile(char *filepath, int flags, queueT *q, long fd_c, taglia_t *taglia)
 	    taglia_update(taglia, q, 1); // removed only one file
 	    n += snprintf(tmp_buf+n, m-n, "Client %ld ha richiesto una openFile (flags = %x) sul file \"%s\" ha causato una capacity miss. File espulso \"%s\"\n", fd_c, flags, filepath, removed->filepath);
 	    sendMessageFile(MEFP, removed, fd_c, taglia, tmp_buf);
-	    free(removed);
+	    destroyFile(removed);
 	    return;
 	}