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Fix various sparse warnings in the git source code

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There are a few remaining ones, but this fixes the trivial ones. It boils
down to two main issues that sparse complains about:

 - warning: Using plain integer as NULL pointer

   Sparse doesn't like you using '0' instead of 'NULL'. For various good
   reasons, not the least of which is just the visual confusion. A NULL
   pointer is not an integer, and that whole "0 works as NULL" is a
   historical accident and not very pretty.

   A few of these remain: zlib is a total mess, and Z_NULL is just a 0.
   I didn't touch those.

 - warning: symbol 'xyz' was not declared. Should it be static?

   Sparse wants to see declarations for any functions you export. A lack
   of a declaration tends to mean that you should either add one, or you
   should mark the function 'static' to show that it's in file scope.

   A few of these remain: I only did the ones that should obviously just
   be made static.

That 'wt_status_submodule_summary' one is debatable. It has a few related
flags (like 'wt_status_use_color') which _are_ declared, and are used by
builtin-commit.c. So maybe we'd like to export it at some point, but it's
not declared now, and not used outside of that file, so 'static' it is in
this patch.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Linus Torvalds
2009-06-18 10:28:43 -07:00
committed by Junio C Hamano
parent a49eb197d8
commit 2af202be3d
23 changed files with 42 additions and 42 deletions
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6
remote.c
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@ -307,7 +307,7 @@ static void read_branches_file(struct remote *remote)
strbuf_addstr(&branch, "HEAD:");
}
add_url_alias(remote, p);
add_fetch_refspec(remote, strbuf_detach(&branch, 0));
add_fetch_refspec(remote, strbuf_detach(&branch, NULL));
/*
* Cogito compatible push: push current HEAD to remote #branch
* (master if missing)
@ -318,7 +318,7 @@ static void read_branches_file(struct remote *remote)
strbuf_addf(&branch, ":refs/heads/%s", frag);
else
strbuf_addstr(&branch, ":refs/heads/master");
add_push_refspec(remote, strbuf_detach(&branch, 0));
add_push_refspec(remote, strbuf_detach(&branch, NULL));
remote->fetch_tags = 1; /* always auto-follow */
}
@ -1119,7 +1119,7 @@ int match_refs(struct ref *src, struct ref **dst,
int send_all = flags & MATCH_REFS_ALL;
int send_mirror = flags & MATCH_REFS_MIRROR;
int errs;
static const char *default_refspec[] = { ":", 0 };
static const char *default_refspec[] = { ":", NULL };
struct ref **dst_tail = tail_ref(dst);
if (!nr_refspec) {