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malloc: Remove __malloc_initialize_hook from the API [BZ #19564]

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__malloc_initialize_hook is interposed by application code, so
the usual approach to define a compatibility symbol does not work.
This commit adds a new mechanism based on #pragma GCC poison in
<stdc-predef.h>.
This commit is contained in:
Florian Weimer
2016-06-10 10:46:05 +02:00
parent f00faa4a43
commit 2ba3cfa160
10 changed files with 92 additions and 30 deletions
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5
malloc/malloc.h
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@ -141,11 +141,6 @@ extern void *malloc_get_state (void) __THROW;
malloc_get_state(). */
extern int malloc_set_state (void *__ptr) __THROW;
/* Called once when malloc is initialized; redefining this variable in
the application provides the preferred way to set up the hook
pointers. */
extern void (*__MALLOC_HOOK_VOLATILE __malloc_initialize_hook) (void)
__MALLOC_DEPRECATED;
/* Hooks for debugging and user-defined versions. */
extern void (*__MALLOC_HOOK_VOLATILE __free_hook) (void *__ptr,
const void *)