diff options
Diffstat (limited to 'src/client.c')
| -rw-r--r-- | src/client.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/src/client.c b/src/client.c index 8912f5b..6b57358 100644 --- a/src/client.c +++ b/src/client.c @@ -52,12 +52,13 @@ int send_command(enum command cmd, size_t n, const char *restrict msg) { struct sockaddr_un address; - int fd = -1, start = 1, status, goterr = 0; + int fd = -1, start = 1, status, outfd, goterr = 0; char *dir; pid_t pid; + ssize_t r, wrote; + char *buf = NULL; + signed char cmd_ = (signed char)cmd; int saved_errno; - ssize_t r; - char cmd_ = (char)cmd; /* Get socket address. */ dir = getenv("XDG_RUNTIME_DIR"), dir = (dir ? dir : "/run"); @@ -108,8 +109,29 @@ send_command(enum command cmd, size_t n, const char *restrict msg) } t (shutdown(fd, SHUT_WR)); /* Very important. */ - /* TODO Receive. */ + /* Receive. */ +receive_again: + t (r = read(fd, &cmd_, sizeof(cmd_)), r < (ssize_t)sizeof(cmd_)); + if (r == 0) + goto done; + outfd = (int)cmd_; + goterr |= outfd == STDERR_FILENO; + t (r = read(fd, &n, sizeof(n)), r < (ssize_t)sizeof(n)); + t (!(buf = malloc(n))); + while (n) { + t (r = read(fd, buf, n), r < 0); + t (errno = 0, r == 0); + n -= (size_t)r; + for (dir = buf; r;) { + t (wrote = write(outfd, dir, r), wrote <= 0); + dir += (size_t)wrote; + r -= (size_t)wrote; + } + } + free(buf), buf = NULL; + goto receive_again; +done: shutdown(fd, SHUT_RD); close(fd); errno = 0; @@ -119,6 +141,7 @@ fail: saved_errno = (goterr ? 0 : errno); if (fd >= 0) close(fd); + free(buf); errno = saved_errno; return -1; } |