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authorDenys Vlasenko2011-09-21 01:59:15 +0200
committerDenys Vlasenko2011-09-21 01:59:15 +0200
commit16714245f9a16ce3725aab079aea7b0d28c6b32f (patch)
tree41edbcd1c279b2baae2d5e5751639076e0a3bfad /include
parent5c6ba6c56f9653488e1d805e727bb06c39ed23fa (diff)
downloadbusybox-16714245f9a16ce3725aab079aea7b0d28c6b32f.zip
busybox-16714245f9a16ce3725aab079aea7b0d28c6b32f.tar.gz
add INIT_G()'s. No code changes.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'include')
-rw-r--r--include/libbb.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/libbb.h b/include/libbb.h
index feae852..f79b693 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -684,10 +684,13 @@ void *malloc_or_warn(size_t size) FAST_FUNC RETURNS_MALLOC;
void *xmalloc(size_t size) FAST_FUNC RETURNS_MALLOC;
void *xzalloc(size_t size) FAST_FUNC RETURNS_MALLOC;
void *xrealloc(void *old, size_t size) FAST_FUNC;
-/* After xrealloc_vector(v, 4, idx) it's ok to use
+/* After v = xrealloc_vector(v, SHIFT, idx) it's ok to use
* at least v[idx] and v[idx+1], for all idx values.
- * shift specifies how many new elements are added (1: 2, 2: 4... 8: 256...)
- * when all elements are used up. New elements are zeroed out. */
+ * SHIFT specifies how many new elements are added (1:2, 2:4, ..., 8:256...)
+ * when all elements are used up. New elements are zeroed out.
+ * xrealloc_vector(v, SHIFT, idx) *MUST* be called with consecutive IDXs -
+ * skipping an index is a bad bug - it may miss a realloc!
+ */
#define xrealloc_vector(vector, shift, idx) \
xrealloc_vector_helper((vector), (sizeof((vector)[0]) << 8) + (shift), (idx))
void* xrealloc_vector_helper(void *vector, unsigned sizeof_and_shift, int idx) FAST_FUNC;