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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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malloc/mcheck-init.c
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@ -27,4 +27,4 @@ turn_on_mcheck (void)
mcheck (NULL);
}
void (*__malloc_initialize_hook) (void) = turn_on_mcheck;
void (*old__malloc_initialize_hook) (void) = turn_on_mcheck;