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Added xmalloc - calls smb_panic on zero size or malloc fail.

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Added xmemdup - calls xmalloc.
Made data_blob() call xmemdup.
Defensive programming (I still hate the no error checking... :-).
Jeremy.
This commit is contained in:
Jeremy Allison 0001-01-01 00:00:00 +00:00
parent b668d7d656
commit 2cc262278f
1 changed files with 27 additions and 1 deletions
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28
source/lib/util.c
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@ -1641,6 +1641,32 @@ int smb_mkstemp(char *template)
#endif
}
/*****************************************************************
malloc that aborts with smb_panic on fail or zero size.
*****************************************************************/
void *xmalloc(size_t size)
{
void *p;
if (size == 0)
smb_panic("xmalloc called with zero size.\n");
if ((p = malloc(size)) == NULL)
smb_panic("xmalloc malloc fail.\n");
return p;
}
/*****************************************************************
Memdup with smb_panic on fail.
*****************************************************************/
void *xmemdup(void *p, size_t size)
{
void *p2;
p2 = xmalloc(size);
memcpy(p2, p, size);
return p2;
}
/*****************************************************************
like strdup but for memory
*****************************************************************/
@ -1905,7 +1931,7 @@ DATA_BLOB data_blob(void *p, size_t length)
return ret;
}
ret.data = memdup(p, length);
ret.data = xmemdup(p, length);
ret.length = length;
return ret;
}