--- webalizer.c.orig	Fri Oct  6 11:59:08 2000
+++ webalizer.c	Sat Oct 14 17:17:29 2000
@@ -569,7 +569,7 @@
 
          /* convert month name to lowercase */
          for (i=4;i<7;i++)
-            log_rec.datetime[i]=tolower(log_rec.datetime[i]);
+	    log_rec.datetime[i]=tolower((unsigned char)log_rec.datetime[i]);
 
          /* get year/month/day/hour/min/sec values    */
          for (i=0;i<12;i++)
@@ -1459,19 +1459,19 @@
    while ( (fgets(buffer,BUFSIZE,fp)) != NULL)
    {
       /* skip comments and blank lines */
-      if ( (buffer[0]=='#') || isspace((int)buffer[0]) ) continue;
+      if ( (buffer[0]=='#') || isspace((unsigned char)buffer[0]) ) continue;
 
       /* Get keyword */
       cp1=buffer;cp2=keyword;
-      while ( isalnum((int)*cp1) ) *cp2++ = *cp1++;
+      while ( isalnum((unsigned char)*cp1) ) *cp2++ = *cp1++;
       *cp2='\0';
 
       /* Get value */
       cp2=value;
-      while ( (*cp1!='\n')&&(*cp1!='\0')&&(isspace((int)*cp1)) ) cp1++;
+      while ( (*cp1!='\n')&&(*cp1!='\0')&&(isspace((unsigned char)*cp1)) ) cp1++;
       while ( (*cp1!='\n')&&(*cp1!='\0') ) *cp2++ = *cp1++;
       *cp2--='\0';
-      while ( (isspace((int)*cp2)) && (cp2 != value) ) *cp2--='\0';
+      while ( (isspace((unsigned char)*cp2)) && (cp2 != value) ) *cp2--='\0';
 
       /* check if blank keyword/value */
       if ( (keyword[0]=='\0') || (value[0]=='\0') ) continue;
@@ -1720,7 +1720,7 @@
 
 int isurlchar(char ch)
 {
-   if (isalnum((int)ch)) return 1;           /* allow letters, numbers...    */
+   if (isalnum((unsigned char)ch)) return 1;           /* allow letters, numbers...    */
    return (strchr(":/\\.,' *-+_@~()[]",ch)!=NULL); /* and a few special ones */
 }
 
@@ -1813,7 +1813,7 @@
          if (*cp1=='+') *cp1=' ';                      /* change + to space  */
          if (sp_flg && *cp1==' ') { cp1++; continue; } /* compress spaces    */
          if (*cp1==' ') sp_flg=1; else sp_flg=0;       /* (flag spaces here) */
-         *cp2++=tolower(*cp1);                         /* normal character   */
+	 *cp2++= *cp1;                               /* normal character   */
          cp1++;
       }
    }
@@ -1848,7 +1848,7 @@
    int  i=group_domains+1;
 
    cp = str+strlen(str)-1;
-   if (isdigit((int)*cp)) return NULL;   /* ignore IP addresses */
+   if (isdigit((unsigned char)*cp)) return NULL;   /* ignore IP addresses */
 
    while (cp!=str)
    {