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array: check that we are still in the tab

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If the array is modified while we are running the foreach() loop, the
tab of the array may be reallocated, so var can be totally out of the
memory: check for that.

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2009-04-28 08:34:13 +02:00
parent 1cbb1c0666
commit 56225a39fe
1 changed files with 2 additions and 1 deletions
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3
common/array.h
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@ -1,6 +1,7 @@
/*
* array.h - useful array handling header
*
* Copyright © 2009 Julien Danjou <julien@danjou.info>
* Copyright © 2008 Pierre Habouzit <madcoder@debian.org>
*
* This program is free software; you can redistribute it and/or modify
@ -32,7 +33,7 @@
#define foreach(var, array) \
for(typeof((array).tab) var = (array).tab; \
var < (array).tab + (array).len; \
var >= (array).tab && var < (array).tab + (array).len; \
var++)
#define ARRAY_FUNCS(type_t, pfx, dtor) \