$NetBSD: patch-af,v 1.5 2022/04/24 10:57:28 tnn Exp $

Dragonfly support.
Use correct sysctl mibs on NetBSD.
Fix LP64 problems.
Fix illegal C.

--- tvutil.c.orig	2000-10-23 02:43:46.000000000 +0000
+++ tvutil.c
@@ -35,7 +35,7 @@
 #include <fcntl.h>
 #include <signal.h>
 #include <sys/types.h>
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__DragonFly__)
 #  include <sys/sysctl.h>
 #elif defined(__bsdi__) || defined(__NetBSD__) || defined(__OpenBSD__)
 #  include <sys/param.h>
@@ -105,14 +105,14 @@ void CleanupChildFileDesc()
 {
     static int Max_files_per_proc = -1;
 
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__DragonFly__)
     int    mib[2] = { CTL_KERN, KERN_MAXFILESPERPROC };
 #elif defined(linux)
     int    mib[2] = { CTL_KERN, FOPEN_MAX };
 #elif defined(__bsdi__)
     int    mib[2] = { CTL_KERN, KERN_MAXFILES };
 #elif defined(__NetBSD__)
-    int    mib[2] = { CTL_KERN, OPEN_MAX };
+    int    mib[2] = { CTL_KERN, KERN_MAXFILES };
 #elif defined(__OpenBSD__)
     int    mib[2] = { CTL_KERN, OPEN_MAX };
 #endif
@@ -184,14 +184,14 @@ void TVUTILCmdStrToArgList(
     *argbuf = NULL;
 
     while ( *s != '\0' ) {                      /*  For all args    */
-        while ( isspace( *s ) )                 /*    Skip spaces   */
+        while ( isspace( (unsigned char)*s ) )                 /*    Skip spaces   */
             s++;
         if ( *s == '\0' )
             continue;
 
         in_quote = FALSE;                       /*    Extract an arg  */
         p        = arg;
-        while ( (in_quote || !isspace(*s)) && (*s != '\0') ) {
+        while ( (in_quote || !isspace((unsigned char)*s)) && (*s != '\0') ) {
             ignore = FALSE;
 
             if (( *s == '\'' ) || ( *s == '\"' ))
@@ -450,7 +450,7 @@ void TVUTILPipeCleanup( pid_t           
          (( end[2].fd >= 0 ) && end[2].is_pipe &&
           ( close( end[2].fd ) < 0 )) ||
 
-         ( waitpid( child_pid, &status, NULL ) < 0 )  ||
+         ( waitpid( child_pid, &status, 0 ) < 0 )  ||
 
          (( end[0].fd >= 0 ) && end[1].is_pipe &&
           ((  dup2( end[0].fd_saved, end[0].fd ) < 0 )   ||
@@ -475,15 +475,19 @@ void TVUTILPipeCleanup( pid_t           
 /*  TVUTILstrupr - Convert a string to upper case  */
 void TVUTILstrupr( char *str )
 {
-    while ( *str != '\0' )
-        *(str++) = toupper( *str );
+    while ( *str != '\0' ) {
+        *str = toupper( (unsigned char)*str );
+	str++;
+    }
 }
 
 /*  TVUTILstrlwr - Convert a string to lower case  */
 void TVUTILstrlwr( char *str )
 {
-    while ( *str != '\0' )
-        *(str++) = tolower( *str );
+    while ( *str != '\0' ) {
+        *str = tolower( (unsigned char)*str );
+	str++;
+    }
 }
 
 /*  TVUTILStrStrip - Strip selected characters out of a string  */