Jens Lehmann <Jens.Lehmann@xxxxxx> writes:
> Am 09.12.2010 22:16, schrieb Junio C Hamano:
> ...
>>> +int fetch_populated_submodules(int num_options, const char **options,
>>> + const char *prefix, int quiet)
>>> +{
>>> + int i, result = 0, argc = 0;
>>> + struct child_process cp;
>>> + const char **argv;
>>> + struct string_list_item *name_for_path;
>>> + const char *work_tree = get_git_work_tree();
>>> + if (!work_tree)
>>> + return 0;
>>> +
>>> + if (!the_index.initialized)
>>> + if (read_cache() < 0)
>>> + die("index file corrupt");
>>> +
>>> + argv = xcalloc(num_options + 5, sizeof(const char *));
>>
>> Where is this '5' coming from? "fetch" "--submodule-prefix", the prefix,
>> and the terminating NULL? What did I miss?
>
> No, you didn't miss anything but I have been off by one ... '4' is
> sufficient here.
Ok, thanks for double checking.
-- >8 --
Subject: [PATCH] fetch_populated_submodules(): document dynamic allocation size
... while fixing a miscounting.
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
submodule.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/submodule.c b/submodule.c
index 4e62900..6f1c107 100644
--- a/submodule.c
+++ b/submodule.c
@@ -264,7 +264,8 @@ int fetch_populated_submodules(int num_options, const char **options,
if (read_cache() < 0)
die("index file corrupt");
- argv = xcalloc(num_options + 5, sizeof(const char *));
+ /* 4: "fetch" (options) "--submodule-prefix" prefix NULL */
+ argv = xcalloc(num_options + 4, sizeof(const char *));
argv[argc++] = "fetch";
for (i = 0; i < num_options; i++)
argv[argc++] = options[i];
--
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