Eliminate warnings for ignored fprintf() result when printing message…

…s to stderr

src/common.c

@@ -64,14 +64,14 @@ LispPTR Uraid_mess = NIL;
 int error(const char *cp) {
   char *ptr;
   if (device_before_raid() < 0) {
-    fprintf(stderr, "Can't Enter URAID.\n");
+    (void)fprintf(stderr, "Can't Enter URAID.\n");
     exit(-1);
   }
   /* comm read */
   URaid_errmess = cp;
-  fprintf(stderr, "\n*Error* %s\n", cp);
+  (void)fprintf(stderr, "\n*Error* %s\n", cp);
   fflush(stdin);
-  fprintf(stderr, "Enter the URaid\n");
+  (void)fprintf(stderr, "Enter the URaid\n");
   print(Uraid_mess);
   putchar('\n');
   /* XXX: make sure output is flushed so we can see where we are */

src/dlpi.c

@@ -188,7 +188,7 @@ int setup_dlpi_dev(char *device)
   dlbindreq(fd, 0x0600, 0, DL_CLDLS, 0, 0);
 
   if (dlbindack(fd, buf) < 0) {
-    fprintf(stderr, "%s: dlbindack failed.\n", pname);
+    (void)fprintf(stderr, "%s: dlbindack failed.\n", pname);
     return (-1);
   }
 
@@ -202,14 +202,14 @@ int setup_dlpi_dev(char *device)
   dlpromisconreq(fd, DL_PROMISC_SAP);
 
   if (dlokack(fd, buf) < 0) {
-    fprintf(stderr, "%s: DL_PROMISC_SAP failed.\n", pname);
+    (void)fprintf(stderr, "%s: DL_PROMISC_SAP failed.\n", pname);
     return (-1);
   }
 
   dlpromisconreq(fd, DL_PROMISC_MULTI);
 
   if (dlokack(fd, buf) < 0) {
-    fprintf(stderr, "%s: DL_PROMISC_MULTI failed.\n", pname);
+    (void)fprintf(stderr, "%s: DL_PROMISC_MULTI failed.\n", pname);
     return (-1);
   }
 
@@ -329,8 +329,8 @@ int dlpi_devtype(int fd)
     case DL_FDDI: return (DLT_FDDI);
 #endif
     default:
-      fprintf(stderr, "%s: DLPI MACtype %ld unknown, ", pname, (long)dlp->info_ack.dl_mac_type);
-      fprintf(stderr, "assuming ethernet.\n");
+      (void)fprintf(stderr, "%s: DLPI MACtype %ld unknown, ", pname, (long)dlp->info_ack.dl_mac_type);
+      (void)fprintf(stderr, "assuming ethernet.\n");
       return (DLT_EN10MB);
   }
 }
@@ -585,7 +585,7 @@ static int strgetmsg(int fd, struct strbuf *ctlp, struct strbuf *datap, int *fla
 /*
  * sigalrm - handle alarms.
  */
-static void sigalrm(int sig) { (void)fprintf(stderr, "dlpi: timeout\n"); }
+static void sigalrm(int sig) { (void)(void)fprintf(stderr, "dlpi: timeout\n"); }
 
 /*
  * savestr - save string in dynamic memory.
@@ -595,7 +595,7 @@ static char *savestr(char *s)
   char *t;
 
   if ((t = malloc(strlen(s) + 1)) == NULL) {
-    (void)fprintf(stderr, "%s: out of memory.\n", pname);
+    (void)(void)fprintf(stderr, "%s: out of memory.\n", pname);
     (void)exit(1);
   }
 

src/dspif.c

@@ -59,8 +59,8 @@ void make_dsp_instance(DspInterface dsp, char *lispbitmap, int width_hint, int h
       } else if (VGA_p()) {
         VGA_init(dsp, 0, 0, 0, depth_hint);
       } else { /* Can't set *ANY* video mode! */
-        (void)fprintf(stderr, "No portable graphics mode supported by this host.\n");
-        (void)fprintf(stderr, "\n-Expected VESA or VGA.\n");
+        (void)(void)fprintf(stderr, "No portable graphics mode supported by this host.\n");
+        (void)(void)fprintf(stderr, "\n-Expected VESA or VGA.\n");
         exit(1);
       }
       break;
@@ -69,7 +69,7 @@ void make_dsp_instance(DspInterface dsp, char *lispbitmap, int width_hint, int h
 #elif XWINDOW
   /* lispbitmap is 0 when we call X_init the first time. */
   if (X_init(dsp, 0, LispDisplayRequestedWidth, LispDisplayRequestedHeight, depth_hint) == NULL) {
-    fprintf(stderr, "Can't open display.");
+    (void)fprintf(stderr, "Can't open display.");
     exit(-1);
   }
 #endif /* DOS | XWINDOW */
@@ -87,7 +87,7 @@ void GenericReturnVoid(void *d) {(void)d; return; }
 void GenericPanic(void *d) {
   (void)d;
   TPRINT(("Enter GenericPanic\n"));
-  fprintf(stderr, "Panic! Call to uninitialized display slot!");
+  (void)fprintf(stderr, "Panic! Call to uninitialized display slot!");
   exit(0);
 }
 

src/initsout.c

@@ -124,7 +124,7 @@ void init_ifpage(unsigned sysout_size) {
   new_lastvmem = (sysout_size * PAGES_IN_MBYTE) - 1;
 
   if ((!Storage_expanded) && (InterfacePage->dllastvmempage != new_lastvmem)) {
-    fprintf(stderr, "You can't expand VMEM\n");
+    (void)fprintf(stderr, "You can't expand VMEM\n");
     exit(-1);
   } else { /* Set value which will be set to \\LASTVMEMFILEPAGE in LISP */
     InterfacePage->dllastvmempage = new_lastvmem;

src/ldeboot.c

@@ -93,7 +93,7 @@ int main(int argc, char *argv[]) {
   for (i = 1; i < argc; i++) {
     if ((strcmp(argv[i], "-d") == 0) || (strcmp(argv[i], "-display") == 0)) {
       if (i == argc - 1) {
-        fprintf(stderr, "Missing argument to -display option.\n");
+        (void)fprintf(stderr, "Missing argument to -display option.\n");
         exit(1);
       }
       displayName = argv[++i];
@@ -138,7 +138,7 @@ int main(int argc, char *argv[]) {
       filetorun = LDEX;
       goto run;
     } else {
-      fprintf(stderr, "Unable to open X11 display %s\n",
+      (void)fprintf(stderr, "Unable to open X11 display %s\n",
               displayName ? displayName : "from DISPLAY");
       exit(1);
     }
@@ -147,7 +147,7 @@ int main(int argc, char *argv[]) {
 
 #ifdef USESUNSCREEN
   if ((FrameBufferFd = open("/dev/fb", O_RDWR)) < 0) {
-    fprintf(stderr, "lde: can't open FrameBuffer\n");
+    (void)fprintf(stderr, "lde: can't open FrameBuffer\n");
     exit(1);
   }
   if (ioctl(FrameBufferFd, FBIOGTYPE, &my_screen) < 0) {
@@ -187,7 +187,7 @@ int main(int argc, char *argv[]) {
 
   run:
   if (filetorun == NULL) {
-    fprintf(stderr, "Unable to determine what display program to run.\n");
+    (void)fprintf(stderr, "Unable to determine what display program to run.\n");
     exit(1);
   }
 

src/ldsout.c

@@ -121,14 +121,14 @@ unsigned sysout_loader(const char *sysout_file_name, unsigned sys_size) {
 */
 #ifndef NOVERSION
   if (ifpage.lversion < LVERSION) {
-    fprintf(stderr, "Lisp VM is too old for this emulator.\n");
-    fprintf(stderr, "(version is %d, must be at least %d.)\n", ifpage.lversion, LVERSION);
+    (void)fprintf(stderr, "Lisp VM is too old for this emulator.\n");
+    (void)fprintf(stderr, "(version is %d, must be at least %d.)\n", ifpage.lversion, LVERSION);
     exit(-1);
   }
 
   if (ifpage.minbversion > MINBVERSION) {
-    fprintf(stderr, "Emulator is too old for this Lisp VM.\n");
-    fprintf(stderr, "(version is %d, must be at least %d.)\n", MINBVERSION, ifpage.minbversion);
+    (void)fprintf(stderr, "Emulator is too old for this Lisp VM.\n");
+    (void)fprintf(stderr, "(version is %d, must be at least %d.)\n", MINBVERSION, ifpage.minbversion);
     exit(-1);
   }
 #endif /* NOVERSION */
@@ -157,9 +157,9 @@ unsigned sysout_loader(const char *sysout_file_name, unsigned sys_size) {
       /* Hence we have to observe the display protocol. */
       VESA_errorexit(tmp);
 #else
-      fprintf(stderr, "sysout_loader: You can't specify the process size.\n");
-      fprintf(stderr, "Because, secondary space is already used.\n");
-      fprintf(stderr, "(size is %d, you specified %d.)\n", ifpage.process_size, sys_size);
+      (void)fprintf(stderr, "sysout_loader: You can't specify the process size.\n");
+      (void)fprintf(stderr, "Because, secondary space is already used.\n");
+      (void)fprintf(stderr, "(size is %d, you specified %d.)\n", ifpage.process_size, sys_size);
       exit(-1);
 #endif /* DOS */
     }
@@ -176,7 +176,7 @@ unsigned sysout_loader(const char *sysout_file_name, unsigned sys_size) {
 
   lispworld_scratch = mmap(0, sys_size * MBYTE, PROT_READ|PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
   if (lispworld_scratch == MAP_FAILED) {
-    fprintf(stderr, "sysout_loader: can't allocate Lisp %dMBytes VM \n", sys_size);
+    (void)fprintf(stderr, "sysout_loader: can't allocate Lisp %dMBytes VM \n", sys_size);
     exit(-1);
   }
 

src/main.c

@@ -364,7 +364,7 @@ int main(int argc, char *argv[])
   }
 
   if (argv[i] && ((strcmp(argv[i], "-help") == 0) || (strcmp(argv[i], "-HELP") == 0))) {
-    fprintf(stderr, "%s%s", helpstring, nethubHelpstring);
+    (void)fprintf(stderr, "%s%s", helpstring, nethubHelpstring);
     exit(0);
   }
 
@@ -387,7 +387,7 @@ int main(int argc, char *argv[])
   }
   if (access(sysout_name, R_OK)) {
     perror("Couldn't find a sysout to run");
-    fprintf(stderr, "%s%s", helpstring, nethubHelpstring);
+    (void)fprintf(stderr, "%s%s", helpstring, nethubHelpstring);
     exit(1);
   }
   /* OK, sysout name is now in sysout_name, and i is moved past a supplied name */
@@ -403,11 +403,11 @@ int main(int argc, char *argv[])
         if (errno == 0 && tmpint > 0) {
           TIMER_INTERVAL = tmpint;
         } else {
-          fprintf(stderr, "Bad value for -t (integer > 0)\n");
+          (void)fprintf(stderr, "Bad value for -t (integer > 0)\n");
           exit(1);
         }
       } else {
-        fprintf(stderr, "Missing argument after -t\n");
+        (void)fprintf(stderr, "Missing argument after -t\n");
         exit(1);
       }
     }
@@ -419,11 +419,11 @@ int main(int argc, char *argv[])
         if (errno == 0 && tmpint > 0) {
           sysout_size = (unsigned)tmpint;
         } else {
-          fprintf(stderr, "Bad value for -m (integer > 0)\n");
+          (void)fprintf(stderr, "Bad value for -m (integer > 0)\n");
           exit(1);
         }
       } else {
-        fprintf(stderr, "Missing argument after -m\n");
+        (void)fprintf(stderr, "Missing argument after -m\n");
         exit(1);
       }
     }
@@ -462,30 +462,30 @@ int main(int argc, char *argv[])
       if (argc > ++i) {
         int read = sscanf(argv[i], "%dx%d", &width, &height);
         if(read != 2) {
-          fprintf(stderr, "Could not parse -sc argument %s\n", argv[i]);
+          (void)fprintf(stderr, "Could not parse -sc argument %s\n", argv[i]);
           exit(1);
         }
       } else {
-        fprintf(stderr, "Missing argument after -sc\n");
+        (void)fprintf(stderr, "Missing argument after -sc\n");
         exit(1);
       }
     } else if ((strcmp(argv[i], "-pixelscale") == 0) || (strcmp(argv[i], "-PIXELSCALE") == 0)) {
       if (argc > ++i) {
         int read = sscanf(argv[i], "%d", &pixelscale);
         if(read != 1) {
-          fprintf(stderr, "Could not parse -pixelscale argument %s\n", argv[i]);
+          (void)fprintf(stderr, "Could not parse -pixelscale argument %s\n", argv[i]);
           exit(1);
         }
       } else {
-        fprintf(stderr, "Missing argument after -pixelscale\n");
+        (void)fprintf(stderr, "Missing argument after -pixelscale\n");
         exit(1);
       }
     } else if ((strcmp(argv[i], "-t") == 0) || (strcmp(argv[i], "-T") == 0)
                || (strcmp(argv[i], "-title") == 0) || (strcmp(argv[i], "-TITLE") == 0)) {
       if (argc > ++i) {
         windowtitle = argv[i];
       } else {
-        fprintf(stderr, "Missing argument after -title\n");
+        (void)fprintf(stderr, "Missing argument after -title\n");
         exit(1);
       }
     }
@@ -511,7 +511,7 @@ int main(int argc, char *argv[])
         ether_host[4] = b4;
         ether_host[5] = b5;
       } else {
-        fprintf(stderr, "Missing or bogus -E argument\n");
+        (void)fprintf(stderr, "Missing or bogus -E argument\n");
         ether_fd = -1;
         exit(1);
       }
@@ -524,7 +524,7 @@ int main(int argc, char *argv[])
       if (argc > ++i) {
         setNethubHost(argv[i]);
       } else {
-        fprintf(stderr, "Missing argument after -nh-host\n");
+        (void)fprintf(stderr, "Missing argument after -nh-host\n");
         exit(1);
       }
     }
@@ -535,11 +535,11 @@ int main(int argc, char *argv[])
         if (errno == 0 && tmpint > 0) {
           setNethubPort(tmpint);
         } else {
-          fprintf(stderr, "Bad value for -nh-port\n");
+          (void)fprintf(stderr, "Bad value for -nh-port\n");
           exit(1);
         }
       } else {
-        fprintf(stderr, "Missing argument after -nh-port\n");
+        (void)fprintf(stderr, "Missing argument after -nh-port\n");
         exit(1);
       }
     }
@@ -549,11 +549,11 @@ int main(int argc, char *argv[])
         if (sscanf(argv[i], "%x-%x-%x-%x-%x-%x",  &b0, &b1, &b2, &b3, &b4, &b5) == 6) {
           setNethubMac(b0, b1, b2, b3, b4, b5);
         } else {
-          fprintf(stderr, "Invalid argument for -nh-mac\n");
+          (void)fprintf(stderr, "Invalid argument for -nh-mac\n");
           exit(1);
         }
       } else {
-        fprintf(stderr, "Missing argument after -nh-mac\n");
+        (void)fprintf(stderr, "Missing argument after -nh-mac\n");
         exit(1);
       }
     }
@@ -564,11 +564,11 @@ int main(int argc, char *argv[])
         if (errno == 0 && tmpint >= 0) {
           setNethubLogLevel(tmpint);
         } else {
-          fprintf(stderr, "Bad value for -nh-loglevel\n");
+          (void)fprintf(stderr, "Bad value for -nh-loglevel\n");
           exit(1);
         }
       } else {
-        fprintf(stderr, "Missing argument after -nh-loglevel\n");
+        (void)fprintf(stderr, "Missing argument after -nh-loglevel\n");
         exit(1);
       }
     }
@@ -582,11 +582,11 @@ int main(int argc, char *argv[])
         if (errno == 0 && tmpint > 1000) {
           insnsCountdownForTimerAsyncEmulation = tmpint;
         } else {
-          fprintf(stderr, "Bad value for -intr-emu-insns (integer > 1000)\n");
+          (void)fprintf(stderr, "Bad value for -intr-emu-insns (integer > 1000)\n");
           exit(1);
         }
       } else {
-        fprintf(stderr, "Missing argument after -intr-emu-insns\n");
+        (void)fprintf(stderr, "Missing argument after -intr-emu-insns\n");
         exit(1);
       }
     }
@@ -600,11 +600,11 @@ int main(int argc, char *argv[])
         if (errno == 0 && tmpint > 0) {
           maxpages = (unsigned)tmpint;
         } else {
-          fprintf(stderr, "Bad value for -xpages (integer > 0)\n");
+          (void)fprintf(stderr, "Bad value for -xpages (integer > 0)\n");
           exit(1);
         }
       } else {
-        fprintf(stderr, "Missing argument after -xpages\n");
+        (void)fprintf(stderr, "Missing argument after -xpages\n");
         exit(1);
       }
     }
@@ -615,9 +615,9 @@ int main(int argc, char *argv[])
   probemouse(); /* See if the mouse is connected. */
 #else
   if (getuid() != geteuid()) {
-    fprintf(stderr, "Effective user is not real user.  Resetting uid\n");
+    (void)fprintf(stderr, "Effective user is not real user.  Resetting uid\n");
     if (setuid(getuid()) == -1) {
-      fprintf(stderr, "Unable to reset user id to real user id\n");
+      (void)fprintf(stderr, "Unable to reset user id to real user id\n");
       exit(1);
     }
   }
@@ -641,7 +641,7 @@ int main(int argc, char *argv[])
 
   if (FindUnixPipes()) /* must call the routine to allocate storage, */
   {                    /* in case we're re-starting a savevm w/open ptys */
-    if (please_fork) fprintf(stderr, "Failed to find UNIXCOMM file handles; no processes\n");
+    if (please_fork) (void)fprintf(stderr, "Failed to find UNIXCOMM file handles; no processes\n");
   }
 #endif /* DOS */
 
@@ -665,7 +665,7 @@ int main(int argc, char *argv[])
 
   /* file system directory enumeration stuff */
   if (!init_finfo()) {
-    fprintf(stderr, "Cannot allocate internal data.\n");
+    (void)fprintf(stderr, "Cannot allocate internal data.\n");
     exit(1);
   }
 #ifdef RS232