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Merge pull request #176 from opensourcerouting/mtype-underflow-backtrace

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lib: print backtrace on MTYPE count underflow
This commit is contained in:
Donald Sharp 2017-02-07 13:04:27 -05:00 committed by GitHub
commit 2cfe3d285f
1 changed files with 6 additions and 0 deletions
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6
lib/memory.c
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@ -19,6 +19,7 @@
#include <stdlib.h>
#include "memory.h"
#include "log.h"
static struct memgroup *mg_first = NULL;
struct memgroup **mg_insert = &mg_first;
@ -40,6 +41,11 @@ mt_count_alloc (struct memtype *mt, size_t size)
static inline void
mt_count_free (struct memtype *mt)
{
if (mt->n_alloc == 0)
{
zlog_err ("memory allocation count underflow for \"%s\"", mt->name);
zlog_backtrace (LOG_ERR);
}
mt->n_alloc--;
}