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-rw-r--r--Utilities/cmcurl/lib/curl_multibyte.h43
1 files changed, 21 insertions, 22 deletions
diff --git a/Utilities/cmcurl/lib/curl_multibyte.h b/Utilities/cmcurl/lib/curl_multibyte.h
index 8adaf49784..491155e6a7 100644
--- a/Utilities/cmcurl/lib/curl_multibyte.h
+++ b/Utilities/cmcurl/lib/curl_multibyte.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -31,7 +31,6 @@
wchar_t *curlx_convert_UTF8_to_wchar(const char *str_utf8);
char *curlx_convert_wchar_to_UTF8(const wchar_t *str_w);
-
#endif /* WIN32 */
/*
@@ -40,29 +39,23 @@ char *curlx_convert_wchar_to_UTF8(const wchar_t *str_w);
* preprocessor conditional directives needed by code using these
* to differentiate UNICODE from non-UNICODE builds.
*
- * When building with UNICODE defined, these two macros
- * curlx_convert_UTF8_to_tchar() and curlx_convert_tchar_to_UTF8()
- * return a pointer to a newly allocated memory area holding result.
- * When the result is no longer needed, allocated memory is intended
- * to be free'ed with curlx_unicodefree().
+ * In the case of a non-UNICODE build the tchar strings are char strings that
+ * are duplicated via strdup and remain in whatever the passed in encoding is,
+ * which is assumed to be UTF-8 but may be other encoding. Therefore the
+ * significance of the conversion functions is primarily for UNICODE builds.
+ *
+ * Allocated memory should be free'd with curlx_unicodefree().
*
- * When building without UNICODE defined, this macros
- * curlx_convert_UTF8_to_tchar() and curlx_convert_tchar_to_UTF8()
- * return the pointer received as argument. curlx_unicodefree() does
- * no actual free'ing of this pointer it is simply set to NULL.
+ * Note: Because these are curlx functions their memory usage is not tracked
+ * by the curl memory tracker memdebug. You'll notice that curlx function-like
+ * macros call free and strdup in parentheses, eg (strdup)(ptr), and that's to
+ * ensure that the curl memdebug override macros do not replace them.
*/
#if defined(UNICODE) && defined(WIN32)
#define curlx_convert_UTF8_to_tchar(ptr) curlx_convert_UTF8_to_wchar((ptr))
#define curlx_convert_tchar_to_UTF8(ptr) curlx_convert_wchar_to_UTF8((ptr))
-#define curlx_unicodefree(ptr) \
- do { \
- if(ptr) { \
- (free)(ptr); \
- (ptr) = NULL; \
- } \
- } while(0)
typedef union {
unsigned short *tchar_ptr;
@@ -73,10 +66,8 @@ typedef union {
#else
-#define curlx_convert_UTF8_to_tchar(ptr) (ptr)
-#define curlx_convert_tchar_to_UTF8(ptr) (ptr)
-#define curlx_unicodefree(ptr) \
- do {(ptr) = NULL;} while(0)
+#define curlx_convert_UTF8_to_tchar(ptr) (strdup)(ptr)
+#define curlx_convert_tchar_to_UTF8(ptr) (strdup)(ptr)
typedef union {
char *tchar_ptr;
@@ -87,4 +78,12 @@ typedef union {
#endif /* UNICODE && WIN32 */
+#define curlx_unicodefree(ptr) \
+ do { \
+ if(ptr) { \
+ (free)(ptr); \
+ (ptr) = NULL; \
+ } \
+ } while(0)
+
#endif /* HEADER_CURL_MULTIBYTE_H */