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r24627: merge from SAMBA_4_0:

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as TALLOC_ABORT() is defined to abort() by default
wrap it into a function so that the function name
in the backtrace shows what happens.

metze
This commit is contained in:
Stefan Metzmacher 2007-08-22 12:44:41 +00:00 committed by Gerald (Jerry) Carter
parent 102bb0fc17
commit ddbe971030
1 changed files with 12 additions and 2 deletions
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14
source/lib/talloc/talloc.c
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@ -115,6 +115,16 @@ struct talloc_chunk {
#define TC_HDR_SIZE ((sizeof(struct talloc_chunk)+15)&~15)
#define TC_PTR_FROM_CHUNK(tc) ((void *)(TC_HDR_SIZE + (char*)tc))
static void talloc_abort_double_free(void)
{
TALLOC_ABORT("Bad talloc magic value - double free");
}
static void talloc_abort_unknown_value(void)
{
TALLOC_ABORT("Bad talloc magic value - unknown value");
}
/* panic if we get a bad magic value */
static inline struct talloc_chunk *talloc_chunk_from_ptr(const void *ptr)
{
@ -122,9 +132,9 @@ static inline struct talloc_chunk *talloc_chunk_from_ptr(const void *ptr)
struct talloc_chunk *tc = discard_const_p(struct talloc_chunk, pp - TC_HDR_SIZE);
if (unlikely((tc->flags & (TALLOC_FLAG_FREE | ~0xF)) != TALLOC_MAGIC)) {
if (tc->flags & TALLOC_FLAG_FREE) {
TALLOC_ABORT("Bad talloc magic value - double free");
talloc_abort_double_free();
} else {
TALLOC_ABORT("Bad talloc magic value - unknown value");
talloc_abort_unknown_value();
}
}
return tc;