Modifiche varie per i test delle situazioni limite

[gapil.git] / sources / TCP_echo.c

diff --git a/sources/TCP_echo.c b/sources/TCP_echo.c
index 2a6f921dd54a2543b75bc09b01e2f5ac30532632..48e0326a20fb4e84ab440f5f36071ceda0d5f8c4 100644 (file)
--- a/sources/TCP_echo.c
+++ b/sources/TCP_echo.c
@@ -26,7 +26,7 @@
  *
  * Usage: echo -h give all info's
  *
- * $Id: TCP_echo.c,v 1.2 2003/06/23 18:48:04 piccardi Exp $
+ * $Id: TCP_echo.c,v 1.3 2003/07/27 14:28:19 piccardi Exp $
  *
  ****************************************************************/
 /* 
@@ -37,6 +37,8 @@
 #include <arpa/inet.h>   /* IP addresses conversion utiliites */
 #include <sys/socket.h>  /* socket library */
 #include <stdio.h>      /* include standard I/O library */
+#include <errno.h>      /* include error codes */
+#include <string.h>     /* include erroro strings definitions */
 
 #define MAXLINE 256
 void usage(void);
@@ -113,6 +115,7 @@ int main(int argc, char *argv[])
            perror("Cannot set linger");
            exit(1);
        }
+       return 0;
     }
     /* read daytime from server */
     ClientEcho(stdin, sock);
@@ -135,12 +138,20 @@ void usage(void) {
 void ClientEcho(FILE * filein, int socket) 
 {
     char sendbuff[MAXLINE+1], recvbuff[MAXLINE+1];
-    int nread; 
+    int nread, nwrite; 
     while (fgets(sendbuff, MAXLINE, filein) != NULL) {
-       FullWrite(socket, sendbuff, strlen(sendbuff)); 
+       nwrite = FullWrite(socket, sendbuff, strlen(sendbuff)); 
+       if (nwrite < 0) {
+           printf("Errore in scrittura %s", strerror(errno));
+       }
        nread = FullRead(socket, recvbuff, strlen(sendbuff));
+       if (nread < 0) {
+           printf("Errore in lettura %s", strerror(errno));
+       }
        recvbuff[nread] = 0;
-       fputs(recvbuff, stdout);
+       if (fputs(recvbuff, stdout) == EOF) {
+           perror("Errore in scrittura su terminale");
+       }
     }
     return;
 }