diff --git a/src/libpcp/src/connectlocal.c b/src/libpcp/src/connectlocal.c
index de84213..aa39407 100644
--- a/src/libpcp/src/connectlocal.c
+++ b/src/libpcp/src/connectlocal.c
@@ -39,12 +39,11 @@ build_dsotab(void)
      * mmv	70	dso	mmv_init	/var/lib/pcp/pmdas/mmv/pmda_mmv.so 
      *
      */
-    char	configFileName[MAXPATHLEN];
-    FILE	*configFile;
     char	*config;
     char	*p;
     char	*q;
     struct stat	sbuf;
+    int		configfd;
     int		lineno = 1;
     int		domain;
     char	*init;
@@ -54,23 +53,23 @@ build_dsotab(void)
     numdso = 0;
     dsotab = NULL;
 
-    strcpy(configFileName, pmGetConfig("PCP_PMCDCONF_PATH"));
 #ifdef PCP_DEBUG
     if (pmDebug & DBG_TRACE_CONTEXT) {
-	fprintf(stderr, "build_dsotab: parsing %s\n", configFileName);
+	fprintf(stderr, "build_dsotab: parsing %s\n", pmGetConfig("PCP_PMCDCONF_PATH"));
     }
 #endif
-    if (stat(configFileName, &sbuf) < 0) {
+
+    if ((configfd = open(pmGetConfig("PCP_PMCDCONF_PATH"), O_RDONLY)) < 0)
 	return -errno;
-    }
-    configFile = fopen(configFileName, "r");
-    if (configFile == NULL) {
+    if (fstat(configfd, &sbuf) < 0) {
+	close(configfd);
 	return -errno;
     }
-    if ((config = mmap(NULL, sbuf.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fileno(configFile), 0)) == MAP_FAILED) {
-	fclose(configFile);
+
+    config = __pmMemoryMap(configfd, sbuf.st_size, 0);
+    close(configfd);
+    if (config == NULL)
 	return -errno;
-    }
 
     p = config;
     while (*p != '\0') {
@@ -136,8 +135,7 @@ eatline:
 	}
     }
 
-    fclose(configFile);
-    munmap(config, sbuf.st_size);
+    __pmMemoryUnmap(config, sbuf.st_size);
     return 0;
 }