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argv-array: fix bogus cast when freeing array

Since the array struct stores a "const char **" argv member
(for compatibility with most of our argv-taking functions),
we have to cast away the const-ness when freeing its
elements.

However, we used the wrong type when doing so.  It doesn't
make a difference since free() take a void pointer anyway,
but it can be slightly confusing to a reader.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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1 parent fe4a0a2 commit ba4d1c7b1623b2c7ec198aee08036acf779375e6 @peff peff committed with gitster Sep 1, 2012
Showing with 1 addition and 1 deletion.
  1. +1 −1 argv-array.c
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@@ -63,7 +63,7 @@ void argv_array_clear(struct argv_array *array)
if (array->argv != empty_argv) {
int i;
for (i = 0; i < array->argc; i++)
- free((char **)array->argv[i]);
+ free((char *)array->argv[i]);
free(array->argv);
}
argv_array_init(array);

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