[darwin] Drop V_path and HASPRIVNMCACHE for darwin dialect, use enter_nm instead

Author: jiegec

lib/dialects/darwin/dfile.c

@@ -153,7 +153,7 @@ void enter_vnode_info(
      */
     vip->vip_path[sizeof(vip->vip_path) - 1] = '\0';
     if (vip->vip_path[0] != '\0') {
-        Lf->V_path = mkstrcpy(vip->vip_path, (MALLOC_S *)NULL);
+        enter_nm(ctx, vip->vip_path);
     }
     /*
      * Save node number.
@@ -241,17 +241,6 @@ void err2nm(struct lsof_context *ctx, /* context */
     enter_nm(ctx, Namech);
 }
 
-/*
- * print_v_path() -- print vnode's path
- */
-int print_v_path(struct lsof_context *ctx, struct lfile *lf) {
-    if (lf->V_path) {
-        safestrprt(lf->V_path, stdout, 0);
-        return (1);
-    }
-    return (0);
-}
-
 /*
  * process_atalk() -- process an Apple Talk file
  */

lib/dialects/darwin/machine.h

@@ -218,18 +218,12 @@
  */
 
 #    define HASLFILEADD                                                        \
-        char *V_path;                                                          \
         mach_port_t fileport;                                                  \
         uint32_t guardflags;
 #    define CLRLFILEADD(lf)                                                    \
-        if (lf->V_path) {                                                      \
-            (void)free((FREE_P *)lf->V_path);                                  \
-            lf->V_path = (char *)NULL;                                         \
-        }                                                                      \
         lf->fileport = MACH_PORT_NULL;                                         \
         lf->guardflags = 0;
 #    define SETLFILEADD                                                        \
-        Lf->V_path = (char *)NULL;                                             \
         Lf->fileport = MACH_PORT_NULL;                                         \
         Lf->guardflags = 0;
 
@@ -338,7 +332,7 @@
  * returns non-zero if it prints a name to stdout.
  */
 
-#    define HASPRIVNMCACHE print_v_path
+/* #define	HASPRIVNMCACHE	<function name>	*/
 
 /*
  * HASPRIVPRIPP is defined for dialects that have a private function for

tests/LTbasic2.c

@@ -95,7 +95,8 @@ int main(int argc, char **argv) {
                 }
             } else if (f->fd_type == LSOF_FD_NUMERIC) {
                 /* check if fd matches */
-                if (f->fd_num == fd && strstr(f->name, "LTbasic2-tmp")) {
+                if (f->fd_num == fd && f->name &&
+                    strstr(f->name, "LTbasic2-tmp")) {
                     fd_found = 1;
                 }
             }