diff options
Diffstat (limited to 'src/sysdep.c')
| -rw-r--r-- | src/sysdep.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/sysdep.c b/src/sysdep.c index f7fc99f147f..4f89e8aba10 100644 --- a/src/sysdep.c +++ b/src/sysdep.c @@ -3018,11 +3018,11 @@ list_system_processes (void) Lisp_Object proclist = Qnil; - if (sysctl (mib, 3, NULL, &len, NULL, 0) != 0) + if (sysctl (mib, 3, NULL, &len, NULL, 0) != 0 || len == 0) return proclist; procs = xmalloc (len); - if (sysctl (mib, 3, procs, &len, NULL, 0) != 0) + if (sysctl (mib, 3, procs, &len, NULL, 0) != 0 || len == 0) { xfree (procs); return proclist; @@ -3616,7 +3616,7 @@ system_process_attributes (Lisp_Object pid) CONS_TO_INTEGER (pid, int, proc_id); mib[3] = proc_id; - if (sysctl (mib, 4, &proc, &proclen, NULL, 0) != 0) + if (sysctl (mib, 4, &proc, &proclen, NULL, 0) != 0 || proclen == 0) return attrs; attrs = Fcons (Fcons (Qeuid, INT_TO_INTEGER (proc.ki_uid)), attrs); @@ -3739,7 +3739,7 @@ system_process_attributes (Lisp_Object pid) mib[2] = KERN_PROC_ARGS; len = MAXPATHLEN; - if (sysctl (mib, 4, args, &len, NULL, 0) == 0) + if (sysctl (mib, 4, args, &len, NULL, 0) == 0 && len != 0) { int i; for (i = 0; i < len; i++) @@ -3785,7 +3785,7 @@ system_process_attributes (Lisp_Object pid) CONS_TO_INTEGER (pid, int, proc_id); mib[3] = proc_id; - if (sysctl (mib, 4, &proc, &proclen, NULL, 0) != 0) + if (sysctl (mib, 4, &proc, &proclen, NULL, 0) != 0 || proclen == 0) return attrs; uid = proc.kp_eproc.e_ucred.cr_uid; |