Lindenii Project Forge
Commit info | |
---|---|
ID | 36c43d168d564fe311974efa6f6ac322afcf71d6 |
Author | Runxi Yu<me@runxiyu.org> |
Author date | Mon, 17 Feb 2025 01:51:27 +0800 |
Committer | Runxi Yu<me@runxiyu.org> |
Committer date | Mon, 17 Feb 2025 01:51:27 +0800 |
Actions | Get patch |
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).
CFLAGS = -Wall -Wextra -Werror -pedantic -std=c99 -D_GNU_SOURCE
git_hooks_client:
#include <stdio.h> #include <stdlib.h> #include <unistd.h> #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)); addr.sun_family = AF_UNIX; strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path) - 1); if (connect(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)) == -1) { perror("connect"); close(sock);
exit(EXIT_FAILURE);
return EXIT_FAILURE; } ssize_t bytes_spliced; while ((bytes_spliced = splice(STDIN_FILENO, NULL, sock, NULL, 1, SPLICE_F_MORE)) > 0) {
}
if (send(sock, message, strlen(message), 0) == -1) { perror("send");
if (bytes_spliced == -1) { perror("splice");
close(sock);
exit(EXIT_FAILURE);
return EXIT_FAILURE;
} close(sock);
return 0;
return EXIT_SUCCESS;
}