Refactor buffer management and update configuration handling

.pre-commit-config.yaml

@@ -39,5 +39,4 @@ ci:
   autoupdate_branch: ''
   autoupdate_commit_msg: '[pre-commit.ci] pre-commit autoupdate'
   autoupdate_schedule: weekly
-  skip: [markdownlint-cli2-rules-docker]
   submodules: false

lib/core/pmds/net/memif/pmd_memif_socket.c

@@ -27,7 +27,8 @@
 static int
 cne_memif_check_socket_filename(const char *filename)
 {
-    char *dir = NULL, *tmp;
+    char *dir = NULL;
+    const char *tmp;
     uint32_t idx;
     int ret = 0;
 

lib/usr/app/jcfg/jcfg_lport.c

@@ -149,7 +149,7 @@ _lport_obj(struct json_object *obj, int flags, struct json_object *parent __cne_
 
         lport = calloc(1, sizeof(jcfg_lport_t));
         if (lport) {
-            char *c = strchr(key, ':');
+            const char *c = strchr(key, ':');
 
             lport->cbtype = JCFG_LPORT_TYPE;
             lport->name   = strdup(key);

lib/usr/app/jcfg/jcfg_lport_group.c

@@ -99,7 +99,8 @@ check_allowed_range_characters(const char *s)
 static int
 parse_range(const char *range, uint16_t *v1, uint16_t *v2)
 {
-    char *hyphen, *end = NULL;
+    const char *hyphen;
+    char *end = NULL;
 
     if (!range || !v1 || !v2)
         return -1;

lib/usr/app/jcfg/jcfg_thread.c

@@ -110,7 +110,7 @@ _thd_obj(struct json_object *obj, int flags, struct json_object *parent __cne_un
 
         thd = calloc(1, sizeof(jcfg_thd_t));
         if (thd) {
-            char *p = strchr(key, ':');
+            const char *p = strchr(key, ':');
             int idx;
 
             thd->cbtype      = JCFG_THREAD_TYPE;