[v4,05/17] hook API: add a run_hooks_l() wrapper

Commit Message

Ævar Arnfjörð Bjarmason Nov. 1, 2021, 6:56 p.m. UTC

Add a run_hooks_l() wrapper, we'll use it in subsequent commits for
the simple cases of wanting to run a single hook under a given name
along with a list of arguments.

Signed-off-by: Ævar Arnfjörð Bjarmason <[e-mail]>
---
 hook.c | 14 ++++++++++++++
 hook.h | 10 ++++++++++
 2 files changed, 24 insertions(+)

Patch

diff --git a/hook.c b/hook.c
index 720994bf4f6..cf6d099f83a 100644
--- a/hook.c
+++ b/hook.c
@@ -149,3 +149,17 @@  int run_hooks(const char *hook_name)
 
 	return run_hooks_opt(hook_name, &opt);
 }
+
+int run_hooks_l(const char *hook_name, ...)
+{
+	struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT;
+	va_list ap;
+	const char *arg;
+
+	va_start(ap, hook_name);
+	while ((arg = va_arg(ap, const char *)))
+		strvec_push(&opt.args, arg);
+	va_end(ap);
+
+	return run_hooks_opt(hook_name, &opt);
+}
diff --git a/hook.h b/hook.h
index 9c358789958..54528395953 100644
--- a/hook.h
+++ b/hook.h
@@ -54,4 +54,14 @@  int run_hooks_opt(const char *hook_name, struct run_hooks_opt *options);
  * run_hooks_opt" initialized with "RUN_HOOKS_OPT_INIT".
  */
 int run_hooks(const char *hook_name);
+
+/**
+ * Like run_hooks(), a wrapper for run_hooks_opt().
+ *
+ * In addition to the wrapping behavior provided by run_hooks(), this
+ * wrapper takes a list of strings terminated by a NULL
+ * argument. These things will be used as positional arguments to the
+ * hook. This function behaves like the old run_hook_le() API.
+ */
+int run_hooks_l(const char *hook_name, ...);
 #endif