Fix a few sign-conversion and shorten-64-to-32 warnings while converting some values from int to unsigned

src/initsout.c

@@ -108,11 +108,11 @@ LispPTR *fixp_value(LispPTR *ptr) {
 
 #define PAGES_IN_MBYTE 2048
 
-void init_ifpage(int sysout_size) {
+void init_ifpage(unsigned sysout_size) {
   extern const time_t MDate;
   extern int DisplayType;
   extern int Storage_expanded;
-  int new_lastvmem;
+  unsigned new_lastvmem;
   /*
     Initialize IFPAGE
    */

src/ldsout.c

@@ -54,7 +54,7 @@ extern DspInterface currentdsp;
 #endif /* DOS || XWINDOW */
 
 /* sys_size is sysout size in megabytes */
-int sysout_loader(const char *sysout_file_name, int sys_size) {
+unsigned sysout_loader(const char *sysout_file_name, unsigned sys_size) {
   int sysout; /* SysoutFile descriptor */
 
   IFPAGE ifpage; /* IFPAGE */
@@ -72,7 +72,6 @@ int sysout_loader(const char *sysout_file_name, int sys_size) {
 
   unsigned sysout_size; /* sysout size in page */
   struct stat stat_buf; /* file stat buf */
-  int i;
 
   char errmsg[255];
 
@@ -199,7 +198,7 @@ int sysout_loader(const char *sysout_file_name, int sys_size) {
     perror("sysout_loader: can't get sysout file size");
     exit(-1);
   }
-  sysout_size = stat_buf.st_size / BYTESPER_PAGE * 2;
+  sysout_size = (unsigned)(stat_buf.st_size / BYTESPER_PAGE * 2);
 
   DBPRINT(("sysout size / 2 = 0x%x\n", sysout_size / 2));
   DBPRINT(("vmem size = 0x%x\n", ifpage.nactivepages));
@@ -274,7 +273,7 @@ int sysout_loader(const char *sysout_file_name, int sys_size) {
 
   /* read sysout file to lispworld */
 
-  for (i = 0; i < (sysout_size / 2); i++) {
+  for (unsigned i = 0; i < (sysout_size / 2); i++) {
 #ifdef DOS
     /* Dial that floats from left to right on the top line of the */
     /* displaty. Dial shows % of sysout loaded by digits and */

src/main.c

@@ -230,7 +230,7 @@ int display_max = 65536 * 16 * 2;
 extern int maxpages;
 
 char sysout_name[MAXPATHLEN]; /* Set by read_Xoption, in the X version. */
-int sysout_size = 0;    /* ditto */
+unsigned sysout_size = 0;    /* ditto */
 
 int flushing = FALSE; /* see dbprint.h if set, all debug/trace printing will call fflush(stdout) after each printf */
 
@@ -400,7 +400,7 @@ int main(int argc, char *argv[])
         errno = 0;
         tmpint = strtol(argv[i], (char **)NULL, 10);
         if (errno == 0 && tmpint > 0) {
-          sysout_size = tmpint;
+          sysout_size = (unsigned)tmpint;
         } else {
           fprintf(stderr, "Bad value for -m (integer > 0)\n");
           exit(1);

src/xrdopt.c

@@ -87,7 +87,8 @@ extern char Icon_Title[255];
 char Icon_Title[255];
 
 extern char sysout_name[];
-extern int sysout_size, for_makeinit, please_fork, noscroll;
+extern unsigned sysout_size;
+extern int for_makeinit, please_fork, noscroll;
 /* diagnostic flag for sysout dumping */
 /* extern int maxpages; */
 
@@ -304,7 +305,7 @@ void read_Xoption(int *argc, char *argv[])
     errno = 0;
     i = (int)strtol(tmp, (char **)NULL, 10);
     if (errno == 0 && i > 0)
-      sysout_size = i;
+      sysout_size = (unsigned)i;
   }
 
   if (XrmGetResource(rDB, "ldex.Init", "Ldex.Init", str_type, &value) == True) { for_makeinit = 1; }