X-Git-Url: https://gapil.gnulinux.it/gitweb/?a=blobdiff_plain;f=sources%2FFortuneClient.c;h=caf3002d7ee7c06532418e21a2cc57068395af50;hb=31f55ec58bee8b2c4993633849b7da4e30cab222;hp=9d5c54624aa6f223c442eaa0b80a75f32b738654;hpb=198add70c8604fe7ffb05689aa693d782102917e;p=gapil.git

diff --git a/sources/FortuneClient.c b/sources/FortuneClient.c
index 9d5c546..caf3002 100644
--- a/sources/FortuneClient.c
+++ b/sources/FortuneClient.c
@@ -26,18 +26,16 @@
  *
  * Usage: fortune -h give all info
  *
- * $Id: FortuneClient.c,v 1.1 2002/08/18 10:34:09 piccardi Exp $
- *
  ****************************************************************/
 /* 
  * Include needed headers
  */
-#include <sys/types.h>   /* predefined types */
-#include <unistd.h>      /* include unix standard library */
+#include <sys/types.h>   /* primitive system data types */
+#include <unistd.h>      /* unix standard library */
 #include <arpa/inet.h>   /* IP addresses conversion utiliites */
-#include <stdio.h>	 /* include standard I/O library */
-#include <errno.h>
-#include <fcntl.h>
+#include <stdio.h>	 /* standard I/O library */
+#include <errno.h>>      /* error definitions and routines */
+#include <fcntl.h>       /* file control functions */
 
 #include "macros.h"
 
@@ -87,31 +85,30 @@ int main(int argc, char *argv[])
      *		      Main code beginning
      * 
      * ***********************************************************/
-    snprintf(fifoname, 80, "/tmp/fortune.%d", getpid());
-    if (mkfifo(fifoname, 0622)) {
+    snprintf(fifoname, 80, "/tmp/fortune.%d", getpid());     /* compose name */
+    if (mkfifo(fifoname, 0622)) {                        /* open client fifo */
 	if (errno!=EEXIST) {
 	    perror("Cannot create well known fifo");
 	    exit(-1);
 	}
     }
-    fifo_server = open(fortunefilename, O_WRONLY);
+    fifo_server = open(fortunefilename, O_WRONLY);       /* open server fifo */
     if (fifo_server < 0) {
 	perror("Cannot open well known fifo");
 	exit(-1);
     }
     debug("%s\n", fifoname);
-    nread = write(fifo_server, fifoname, strlen(fifoname)+1);
-    close(fifo_server);
-    fifo_client = open(fifoname, O_RDONLY);
+    nread = write(fifo_server, fifoname, strlen(fifoname)+1);  /* write name */
+    close(fifo_server);                                 /* close server fifo */
+    fifo_client = open(fifoname, O_RDONLY);              /* open client fifo */
     if (fifo_client < 0) {
 	perror("Cannot open well known fifo");
 	exit(-1);
     }
-    nread = read(fifo_client, buffer, sizeof(buffer));
-    printf("%s", buffer);
-    close(fifo_client);
-    close(fifo_server);
-    unlink(fifoname);
+    nread = read(fifo_client, buffer, sizeof(buffer));        /* read answer */
+    printf("%s", buffer);                                   /* print fortune */
+    close(fifo_client);                                      /* close client */
+    unlink(fifoname);                                  /* remove client fifo */
 }
 /*
  * routine to print usage info and exit