From 4baf5f9803db657976ea3ec8cefbe24c68b1de34 Mon Sep 17 00:00:00 2001
From: stefan schippers <stefan.schippers@gmail.com>
Date: Fri, 5 May 2023 10:44:04 +0200
Subject: [PATCH] add warnings in my_strdup() and my_strdup2() if src and *dest
 are the same address

---
 src/editprop.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/editprop.c b/src/editprop.c
index e5703b56..76468bd5 100644
--- a/src/editprop.c
+++ b/src/editprop.c
@@ -136,6 +136,7 @@ size_t my_strdup(int id, char **dest, const char *src) /* empty source string --
 {
  size_t len;
 
+ if(*dest == src) dbg(0, "my_strdup(): WARNING: src == *dest == %p, id=%d\n", src, id);
  if(src!=NULL && src[0]!='\0')  {
    len = strlen(src)+1;
    my_realloc(id, dest, len);
@@ -313,6 +314,7 @@ size_t my_snprintf(char *string, size_t size, const char *format, ...)
 size_t my_strdup2(int id, char **dest, const char *src) /* 20150409 duplicates also empty string  */
 {
  size_t len;
+ if(*dest == src) dbg(0, "my_strdup(): WARNING: src == *dest == %p, id=%d\n", src, id);
  if(src!=NULL) {
    len = strlen(src)+1;
    my_realloc(id, dest, len);