Function is_executable_file

src/ui/http_server.c:878–881

#ifndef _WIN32
static bool is_executable_file(const char *path) {
    struct stat st;
    return path && stat(path, &st) == 0 && S_ISREG(st.st_mode) && access(path, X_OK) == 0;
}

static bool resolve_from_path(const char *name, char *out, size_t outsz) {
    const char *path = getenv("PATH");