From 36c43d168d564fe311974efa6f6ac322afcf71d6 Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Mon, 17 Feb 2025 01:51:27 +0800
Subject: git_hooks_client: Splice stdin
Requires stdin to be a pipe. So `cat | ./git_hooks_client` works while
`./git_hooks_client` in a terminal directly does not (character devices
are not pipes).
---
git_hooks_client/git_hooks_client.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
(limited to 'git_hooks_client/git_hooks_client.c')
diff --git a/git_hooks_client/git_hooks_client.c b/git_hooks_client/git_hooks_client.c
index b274e03..ef6f3c8 100644
--- a/git_hooks_client/git_hooks_client.c
+++ b/git_hooks_client/git_hooks_client.c
@@ -4,21 +4,21 @@
#include <sys/socket.h>
#include <sys/un.h>
#include <string.h>
+#include <fcntl.h>
-int main() {
+int main(void) {
int sock;
struct sockaddr_un addr;
- const char *message = "hi";
const char *socket_path = getenv("LINDENII_FORGE_HOOKS_SOCKET_PATH");
if (socket_path == NULL) {
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
sock = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock == -1) {
perror("socket");
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
memset(&addr, 0, sizeof(struct sockaddr_un));
@@ -28,16 +28,19 @@ int main() {
if (connect(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)) == -1) {
perror("connect");
close(sock);
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
- if (send(sock, message, strlen(message), 0) == -1) {
- perror("send");
+ ssize_t bytes_spliced;
+ while ((bytes_spliced = splice(STDIN_FILENO, NULL, sock, NULL, 1, SPLICE_F_MORE)) > 0) {
+ }
+
+ if (bytes_spliced == -1) {
+ perror("splice");
close(sock);
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
close(sock);
-
- return 0;
+ return EXIT_SUCCESS;
}
--
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