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Fix foreach_ptr_array() not to crash on arrays with 0 elements

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git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5906 ea778897-0a13-0410-b9d1-a72fbfd435f5
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Colomban Wendling 2011-09-02 21:44:44 +00:00
parent cca0d7f5a9
commit 57bca3ba25
2 changed files with 8 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2011-08-25 Colomban Wendling <colomban(at)geany(dot)org>
* src/utils.h:
Fix foreach_ptr_array() not to crash on arrays with 0 elements.
2011-08-25 Colomban Wendling <colomban(at)geany(dot)org>
* src/document.c, src/filetypes.c, src/filetypes.h, doc/geany.txt,

4
src/utils.h
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@ -84,8 +84,8 @@
* @param idx @c guint index into @a ptr_array.
* @param ptr_array @c GPtrArray to traverse. */
#define foreach_ptr_array(item, idx, ptr_array) \
for (idx = 0, item = g_ptr_array_index(ptr_array, 0); \
idx < ptr_array->len; ++idx, item = g_ptr_array_index(ptr_array, idx))
for (idx = 0, item = ((ptr_array)->len > 0 ? g_ptr_array_index((ptr_array), 0) : NULL); \
idx < (ptr_array)->len; ++idx, item = g_ptr_array_index((ptr_array), idx))
/** Iterates all the nodes in @a list.
* @param node should be a (@c GList*).