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kanshi/ipc-addr.c

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#define _POSIX_C_SOURCE 200809L
#include <stdio.h>
#include <stdlib.h>
#include "ipc.h"
int get_ipc_address(char *address, size_t size) {
const char *wayland_display = getenv("WAYLAND_DISPLAY");
const char *xdg_runtime_dir = getenv("XDG_RUNTIME_DIR");
if (!wayland_display || !wayland_display[0]) {
fprintf(stderr, "WAYLAND_DISPLAY is not set\n");
return -1;
}
if (!xdg_runtime_dir || !xdg_runtime_dir[0]) {
fprintf(stderr, "XDG_RUNTIME_DIR is not set\n");
return -1;
}
return snprintf(address, size, "unix:%s/fr.emersion.kanshi.%s",
xdg_runtime_dir, wayland_display);
}