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memdebug: revert setting gcc 11+ deallocator attribute

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These attributes were causing unexplained warnings while playing with
PR #16738: In `CURLDEBUG` builds with mingw, gcc (14.2.0), and `-O3`,
while building `libcurlu`. `-O3` is required. May be related to having
the `CURLDEBUG` allocators in the same source file as their callers
(unity mode). PR #16738 moves `memdebug.c` into the main unity unit.
Unclear why it doesn't affect `libcurl`.

E.g. CI job `mingw, CM ucrt-x86_64 schannel R TrackMemory` CI job:
https://github.com/curl/curl/actions/runs/13888662354/job/38856868429

It also reproduces in an isolated example.

Drop this attribute till we learn more about it.

Ref: https://github.com/curl/curl/pull/16737#issuecomment-2727681306
Partial revert of d5b403074e #16737

Closes #16740
This commit is contained in:
Viktor Szakats 2025-03-17 01:05:14 +01:00
parent a4e0063235
commit 6e5fa7094b
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GPG key ID: B5ABD165E2AEF201
2 changed files with 16 additions and 20 deletions
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24
lib/memdebug.h
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@ -34,7 +34,7 @@
#include "functypes.h"
#ifdef __clang__
# define ALLOC_FUNC(ff) __attribute__((__malloc__))
# define ALLOC_FUNC __attribute__((__malloc__))
# if __clang_major__ >= 4
# define ALLOC_SIZE(s) __attribute__((__alloc_size__(s)))
# define ALLOC_SIZE2(n, s) __attribute__((__alloc_size__(n, s)))
@ -43,19 +43,15 @@
# define ALLOC_SIZE2(n, s)
# endif
#elif defined(__GNUC__) && __GNUC__ >= 3
# if __GNUC__ >= 11
# define ALLOC_FUNC(ff) __attribute__((__malloc__(ff)))
# else
# define ALLOC_FUNC(ff) __attribute__((__malloc__))
# endif
# define ALLOC_FUNC __attribute__((__malloc__))
# define ALLOC_SIZE(s) __attribute__((__alloc_size__(s)))
# define ALLOC_SIZE2(n, s) __attribute__((__alloc_size__(n, s)))
#elif defined(_MSC_VER)
# define ALLOC_FUNC(ff) __declspec(restrict)
# define ALLOC_FUNC __declspec(restrict)
# define ALLOC_SIZE(s)
# define ALLOC_SIZE2(n, s)
#else
# define ALLOC_FUNC(ff)
# define ALLOC_FUNC
# define ALLOC_SIZE(s)
# define ALLOC_SIZE2(n, s)
#endif
@ -70,16 +66,16 @@ extern FILE *curl_dbg_logfile;
/* memory functions */
CURL_EXTERN void curl_dbg_free(void *ptr, int line, const char *source);
CURL_EXTERN ALLOC_FUNC(curl_dbg_free) ALLOC_SIZE(1)
CURL_EXTERN ALLOC_FUNC ALLOC_SIZE(1)
void *curl_dbg_malloc(size_t size, int line, const char *source);
CURL_EXTERN ALLOC_FUNC(curl_dbg_free) ALLOC_SIZE2(1, 2)
CURL_EXTERN ALLOC_FUNC ALLOC_SIZE2(1, 2)
void *curl_dbg_calloc(size_t n, size_t size, int line, const char *source);
CURL_EXTERN ALLOC_SIZE(2)
void *curl_dbg_realloc(void *ptr, size_t size, int line, const char *source);
CURL_EXTERN ALLOC_FUNC(curl_dbg_free)
CURL_EXTERN ALLOC_FUNC
char *curl_dbg_strdup(const char *str, int line, const char *src);
#if defined(_WIN32) && defined(UNICODE)
CURL_EXTERN ALLOC_FUNC(curl_dbg_free)
CURL_EXTERN ALLOC_FUNC
wchar_t *curl_dbg_wcsdup(const wchar_t *str, int line, const char *source);
#endif
@ -116,10 +112,10 @@ CURL_EXTERN RECV_TYPE_RETV curl_dbg_recv(RECV_TYPE_ARG1 sockfd,
/* FILE functions */
CURL_EXTERN int curl_dbg_fclose(FILE *file, int line, const char *source);
CURL_EXTERN ALLOC_FUNC(curl_dbg_fclose)
CURL_EXTERN ALLOC_FUNC
FILE *curl_dbg_fopen(const char *file, const char *mode,
int line, const char *source);
CURL_EXTERN ALLOC_FUNC(curl_dbg_fclose)
CURL_EXTERN ALLOC_FUNC
FILE *curl_dbg_fdopen(int filedes, const char *mode,
int line, const char *source);