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From: "René Scharfe" <l.s.r@web.de>
To: Git List <git@vger.kernel.org>
Cc: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
	"Junio C Hamano" <gitster@pobox.com>,
	"Taylor Blau" <me@ttaylorr.com>,
	"Christian Couder" <chriscool@tuxfamily.org>
Subject: [PATCH 3/3] list-objects-filter: remove OPT_PARSE_LIST_OBJECTS_FILTER_INIT()
Date: Sat, 12 Nov 2022 11:46:36 +0100	[thread overview]
Message-ID: <550dd5c9-f174-5494-70eb-5e217b011dd6@web.de> (raw)
In-Reply-To: <c64e4fa5-62c2-2a93-a4ef-bd84407ea570@web.de>

OPT_PARSE_LIST_OBJECTS_FILTER_INIT() with a non-NULL second argument
passes a function pointer via an object pointer, which is undefined.  It
may work fine on platforms that implement C99 extension J.5.7 (Function
pointer casts).  Remove the unused macro and avoid the dependency on
that extension.

Signed-off-by: René Scharfe <l.s.r@web.de>
---
 list-objects-filter-options.c |  4 ----
 list-objects-filter-options.h | 18 ++----------------
 2 files changed, 2 insertions(+), 20 deletions(-)

diff --git a/list-objects-filter-options.c b/list-objects-filter-options.c
index 5339660238..ee01bcd2cc 100644
--- a/list-objects-filter-options.c
+++ b/list-objects-filter-options.c
@@ -290,10 +290,6 @@ int opt_parse_list_objects_filter(const struct option *opt,
 				  const char *arg, int unset)
 {
 	struct list_objects_filter_options *filter_options = opt->value;
-	opt_lof_init init = (opt_lof_init)opt->defval;
-
-	if (init)
-		filter_options = init(opt->value);

 	if (unset || !arg)
 		list_objects_filter_set_no_filter(filter_options);
diff --git a/list-objects-filter-options.h b/list-objects-filter-options.h
index 7eeadab2dd..1fe393f447 100644
--- a/list-objects-filter-options.h
+++ b/list-objects-filter-options.h
@@ -111,27 +111,13 @@ void parse_list_objects_filter(
  * The opt->value to opt_parse_list_objects_filter() is either a
  * "struct list_objects_filter_option *" when using
  * OPT_PARSE_LIST_OBJECTS_FILTER().
- *
- * Or, if using no "struct option" field is used by the callback,
- * except the "defval" which is expected to be an "opt_lof_init"
- * function, which is called with the "opt->value" and must return a
- * pointer to the ""struct list_objects_filter_option *" to be used.
- *
- * The OPT_PARSE_LIST_OBJECTS_FILTER_INIT() can be used e.g. the
- * "struct list_objects_filter_option" is embedded in a "struct
- * rev_info", which the "defval" could be tasked with lazily
- * initializing. See cmd_pack_objects() for an example.
  */
 int opt_parse_list_objects_filter(const struct option *opt,
 				  const char *arg, int unset);
-typedef struct list_objects_filter_options *(*opt_lof_init)(void *);
-#define OPT_PARSE_LIST_OBJECTS_FILTER_INIT(fo, init) \
-	{ OPTION_CALLBACK, 0, "filter", (fo), N_("args"), \
-	  N_("object filtering"), 0, opt_parse_list_objects_filter, \
-	  (intptr_t)(init) }

 #define OPT_PARSE_LIST_OBJECTS_FILTER(fo) \
-	OPT_PARSE_LIST_OBJECTS_FILTER_INIT((fo), NULL)
+	OPT_CALLBACK(0, "filter", (fo), N_("args"), \
+		     N_("object filtering"), opt_parse_list_objects_filter)

 /*
  * Translates abbreviated numbers in the filter's filter_spec into their
--
2.38.1

  parent reply	other threads:[~2022-11-12 10:46 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-12 10:42 [PATCH 0/3] pack-objects: fix and simplify --filter handling René Scharfe
2022-11-12 10:44 ` [PATCH 1/3] pack-objects: fix handling of multiple --filter options René Scharfe
2022-11-12 11:41   ` Ævar Arnfjörð Bjarmason
2022-11-13 17:31     ` René Scharfe
2022-11-12 16:58   ` Jeff King
2022-11-13  5:01     ` Taylor Blau
2022-11-13 16:44       ` Jeff King
2022-11-13 17:31       ` René Scharfe
2022-11-12 10:44 ` [PATCH 2/3] pack-object: simplify --filter handling René Scharfe
2022-11-12 11:45   ` Ævar Arnfjörð Bjarmason
2022-11-12 17:02   ` Jeff King
2022-11-13 16:49     ` Jeff King
2022-11-13 17:31     ` René Scharfe
2022-11-12 10:46 ` René Scharfe [this message]
2022-11-20 10:03 ` [PATCH v2 0/3] pack-objects: fix and " René Scharfe
2022-11-20 10:06   ` [PATCH v2 1/3] t5317: stop losing return codes of git ls-files René Scharfe
2022-11-20 10:07   ` [PATCH v2 2/3] t5317: demonstrate failure to handle multiple --filter options René Scharfe
2022-11-20 10:13   ` [PATCH v2 3/3] Revert "pack-objects: lazily set up "struct rev_info", don't leak" René Scharfe
2022-11-28 10:03     ` Junio C Hamano
2022-11-28 11:12       ` Ævar Arnfjörð Bjarmason
2022-11-28 12:00         ` [PATCH] t5314: check exit code of "rev-parse" Ævar Arnfjörð Bjarmason
2022-11-28 13:51           ` René Scharfe
2022-11-28 14:18           ` [PATCH v2] t5314: check exit code of "git" Ævar Arnfjörð Bjarmason
2022-11-28 11:26       ` [PATCH v2 3/3] Revert "pack-objects: lazily set up "struct rev_info", don't leak" René Scharfe
2022-11-28 11:31         ` Ævar Arnfjörð Bjarmason
2022-11-28 12:24           ` Ævar Arnfjörð Bjarmason
2022-11-28 15:16             ` René Scharfe
2022-11-28 15:27               ` Ævar Arnfjörð Bjarmason
2022-11-28 14:29           ` René Scharfe
2022-11-28 14:34             ` Ævar Arnfjörð Bjarmason
2022-11-28 15:56               ` René Scharfe
2022-11-28 17:57                 ` René Scharfe
2022-11-28 18:32                   ` Ævar Arnfjörð Bjarmason
2022-11-28 21:57                     ` René Scharfe
2022-11-29  1:26                       ` Jeff King
2022-11-29  1:46                         ` Junio C Hamano
2022-11-29 10:25                         ` Ævar Arnfjörð Bjarmason
2022-11-29  7:12                       ` Ævar Arnfjörð Bjarmason
2022-11-29 19:18                         ` René Scharfe
2022-11-28 17:57                 ` Ævar Arnfjörð Bjarmason
2022-11-22 19:02   ` [PATCH v2 0/3] pack-objects: fix and simplify --filter handling Jeff King
2022-11-29 12:19 ` [PATCH v3 0/5] " René Scharfe
2022-11-29 12:21   ` [PATCH v3 1/5] t5317: stop losing return codes of git ls-files René Scharfe
2022-11-29 12:22   ` [PATCH v3 2/5] t5317: demonstrate failure to handle multiple --filter options René Scharfe
2022-11-29 12:23   ` [PATCH v3 3/5] pack-objects: fix handling of " René Scharfe
2022-11-30  1:09     ` Junio C Hamano
2022-11-30  7:11       ` René Scharfe
2022-11-29 12:25   ` [PATCH v3 4/5] pack-objects: simplify --filter handling René Scharfe
2022-11-29 13:27     ` Ævar Arnfjörð Bjarmason
2022-11-30 11:23       ` René Scharfe
2022-11-29 12:26   ` [PATCH v3 5/5] list-objects-filter: remove OPT_PARSE_LIST_OBJECTS_FILTER_INIT() René Scharfe
2022-11-30  1:20     ` Junio C Hamano

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