Complete implementation of --with-proc, making htop more FreeBSD-friendly

1 files changed, 10 insertions, 1 deletions

diff --git a/htop.c b/htop.c
index 06009ac9..2e492b3c 100644
--- a/htop.c
+++ b/htop.c
@@ -12,6 +12,11 @@ in the source distribution for its full text.
 #include <ctype.h>
 #include <stdbool.h>
 
+#ifndef CONFIG_H
+#define CONFIG_H
+#include "config.h"
+#endif
+
 #include "ProcessList.h"
 #include "CRT.h"
 #include "ListBox.h"
@@ -26,7 +31,6 @@ in the source distribution for its full text.
 #include "SignalsListBox.h"
 #include "TraceScreen.h"
 
-#include "config.h"
 #include "debug.h"
 
 //#link m
@@ -213,6 +217,11 @@ int main(int argc, char** argv) {
          setUserOnly(argv[2], &userOnly, &userId);
       }
    }
+   
+   if (access(PROCDIR, R_OK) != 0) {
+      fprintf(stderr, "Error: could not read procfs (compiled to look in %s).\n", PROCDIR);
+      exit(1);
+   }
 
    ListBox* lb;
    int quit = 0;