processes plugin: ps_list_match: If a regex is configures, only use that regex.

diff --git a/src/processes.c b/src/processes.c
index 79451d3..14fe1d8 100644 (file)
--- a/src/processes.c
+++ b/src/processes.c
@@ -247,13 +247,32 @@ static void ps_list_register (const char *name, const char *regexp)
 /* try to match name against entry, returns 1 if success */
 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
 {
-       if ((ps->re != NULL) && (regexec(ps->re, (strlen(cmdline)!=0)?cmdline:name, 0, NULL, 0) == 0))
-               return (1);
-       if (strcmp (ps->name, name) == 0) {
-               return (1);
+#if HAVE_REGEX_H
+       if (ps->re != NULL)
+       {
+               int status;
+               const char *str;
+
+               str = cmdline;
+               if ((str == NULL) || (str[0] == 0))
+                       str = name;
+
+               assert (str != NULL);
+
+               status = regexec (ps->re, str,
+                               /* nmatch = */ 0,
+                               /* pmatch = */ NULL,
+                               /* eflags = */ 0);
+               if (status == 0)
+                       return (1);
        }
+       else
+#endif
+       if (strcmp (ps->name, name) == 0)
+               return (1);
+
        return (0);
-}
+} /* int ps_list_match */
 
 /* add process entry to 'instances' of process 'name' (or refresh it) */
 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)