src: avoid strdup on platforms not doing UTF8 conversions

... and use more const strings. Closes #16560
2026-08-25 21:03:34 +03:00 · 2025-03-04 17:50:37 +01:00 · 2025-03-04 17:50:37 +01:00 · ed15fce1fd
commit ed15fce1fd
parent 7298c4320b
6 changed files with 73 additions and 41 deletions
--- a/lib/curl_multibyte.h
+++ b/lib/curl_multibyte.h
@ -84,7 +84,7 @@ typedef union {
 #define curlx_unicodefree(ptr)                          \
  do {                                                  \
    if(ptr) {                                           \
-      (free)(ptr);                                      \
+      (free)((char *)ptr);                              \
      (ptr) = NULL;                                     \
    }                                                   \
  } while(0)