Author: Craig Small <csmall@debian.org>
Description: readproc.c some type conversion help
return if unable to open /proc
Index: b/proc/readproc.c
===================================================================
--- a/proc/readproc.c	2009-11-24 20:53:03.000000000 +1100
+++ b/proc/readproc.c	2009-11-24 21:00:41.000000000 +1100
@@ -173,7 +173,7 @@
         // examine a field name (hash and compare)
     base:
         if(unlikely(!*S)) break;
-        entry = table[63 & (asso[S[3]] + asso[S[2]] + asso[S[0]])];
+        entry = table[63 & (asso[(int)S[3]] + asso[(int)S[2]] + asso[(int)S[0]])];
         colon = strchr(S, ':');
         if(unlikely(!colon)) break;
         if(unlikely(colon[1]!='\t')) break;
@@ -942,6 +942,8 @@
     else
 	PT = openproc(flags);
     va_end(ap);
+    if (!PT)
+      return 0;
     do {					/* read table: */
 	tab = xrealloc(tab, (n+1)*sizeof(proc_t*));/* realloc as we go, using */
 	tab[n] = readproc_direct(PT, NULL);     /* final null to terminate */