[Emacs-diffs] emacs/src process.c

[Eli Zaretskii]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Eli Zaretskii <eliz>    08/12/05 16:44:57

Modified files:
        src            : process.c 

Log message:
        (procfs_system_process_attributes): If `nread' has a negative value, 
assign
        zero to it.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/emacs/src/process.c?cvsroot=emacs&r1=1.568&r2=1.569

Patches:
Index: process.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/process.c,v
retrieving revision 1.568
retrieving revision 1.569
diff -u -b -r1.568 -r1.569
--- process.c   5 Dec 2008 07:07:53 -0000       1.568
+++ process.c   5 Dec 2008 16:44:56 -0000       1.569
@@ -7434,6 +7434,14 @@
          cmdline[0] = '\0';
          if ((nread = read (fd, cmdline, cmdline_size)) >= 0)
            cmdline[nread++] = '\0';
+         else
+           {
+             /* Assigning zero to `nread' makes us skip the following
+                two loops, assign zero to cmdline_size, and enter the
+                following `if' clause that handles unknown command
+                lines.  */
+             nread = 0;
+           }
          /* We don't want trailing null characters.  */
          for (p = cmdline + nread - 1; p > cmdline && !*p; p--)
            nread--;
@@ -7451,7 +7459,7 @@
            }
          cmdline_size = nread;
        }
-      else
+      if (!cmdline_size)
        {
          if (!cmd)
            cmd = "???";