commit a713260b2fa07792324c5b49f6216971ef52dd03
Author: mrgrouse <mrgrouse@mrgrouse.com>
Date: Wed, 21 Oct 2026 19:22:31 -0400
initialize repository
Diffstat:
| A | Makefile | | | 30 | ++++++++++++++++++++++++++++++ |
| A | main.c | | | 52 | ++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | types.h | | | 8 | ++++++++ |
3 files changed, 90 insertions(+), 0 deletions(-)
diff --git a/Makefile b/Makefile
@@ -0,0 +1,30 @@
+CC = clang
+.DEFAULT_GOAL := wl-app
+
+CFLAGS = -O2 -Werror -Wall -Wextra
+DEBUG_CFLAGS = -O0 -Werror -Wall -Wextra -g
+
+LDFLAGS = -lc
+#LDFLAGS=-fPIE -static # for static linking
+
+SRCS = main.c
+OBJS = $(SRCS:.c=.o)
+BIN = wl-app
+
+PREFIX=/usr/local
+
+wl-app: o
+ $(CC) $(CFLAGS) $(OBJS) -o $(BIN) $(LDFLAGS)
+
+o:
+ $(CC) $(CFLAGS) -c $(SRCS)
+
+debug:
+ $(CC) $(DEBUG_CFLAGS) $(SRCS) -o $(BIN) $(LDFLAGS)
+
+clean:
+ rm -f $(BIN) $(OBJS)
+
+install: wl-app
+ cp -f $(BIN) $(PREFIX)/bin/$(BIN)
+ echo "$(BIN) installed at $(PREFIX)/bin/$(BIN)"
diff --git a/main.c b/main.c
@@ -0,0 +1,52 @@
+#include <errno.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/un.h>
+#include <sys/socket.h>
+
+#include "types.h"
+
+static int
+wayland_display_connect(string *wsp) {
+
+ struct sockaddr_un addr = { .sun_family = AF_UNIX };
+ memcpy(addr.sun_path, wsp->data, wsp->len); // only way to assign our path to the addr .sun_path[], compiler expects length at runtime but it is variable
+
+ int fd = socket(AF_UNIX, SOCK_STREAM, 0);
+
+ if (fd == -1)
+ exit(errno);
+ // int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
+ if (connect(fd, (struct sockaddr*)&addr, sizeof(addr)) == -1)
+ exit(errno);
+
+ return fd;
+}
+
+int
+main(void) {
+
+ string xdg_runtime_dir = {
+ .data = getenv("XDG_RUNTIME_DIR"),
+ .len = strlen(xdg_runtime_dir.data),
+ }; // we can keep this data for future use (temporary logs, pipewire, mpd, etc)
+
+ string wayland_display = {
+ .data = getenv("WAYLAND_DISPLAY"),
+ .len = strlen(wayland_display.data),
+ }; // might be of use later idk yet
+
+ string wl_sock_path = {
+ .data = strcat(strcat(xdg_runtime_dir.data, "/"), wayland_display.data), // convoluted to make it a path
+ .len = strlen(wl_sock_path.data),
+ };
+
+ if (wayland_display.data == NULL || xdg_runtime_dir.data == NULL) {
+ puts("Ensure XDG_RUNTIME_DIR and/or WAYLAND_DISPLAY are set.");
+ return 1;
+ }
+
+ wayland_display_connect(&wl_sock_path);
+ return 0;
+}
diff --git a/types.h b/types.h
@@ -0,0 +1,7 @@
+// types.h: function prototypes and structs
+typedef struct {
+ char *data;
+ uint8_t len;
+} string;
+
+static int wayland_display_connect(string *wsp);
+\ No newline at end of file
