+ /* I3_VERSION contains either something like this:
+ * "4.0.2 (2011-11-11, branch "release")".
+ * or: "4.0.2-123-gCOFFEEBABE (2011-11-11, branch "next")".
+ *
+ * So we check for the offset of the first opening round bracket to
+ * determine whether this is a git version or a release version. */
+ if ((strchr(I3_VERSION, '(') - I3_VERSION) > 10) {
+ struct rlimit limit = { RLIM_INFINITY, RLIM_INFINITY };
+ setrlimit(RLIMIT_CORE, &limit);
+
+ /* The following code is helpful, but not required. We thus don’t pay
+ * much attention to error handling, non-linux or other edge cases. */
+ char cwd[PATH_MAX];
+ LOG("CORE DUMPS: You are running a development version of i3, so coredumps were automatically enabled (ulimit -c unlimited).\n");
+ if (getcwd(cwd, sizeof(cwd)) != NULL)
+ LOG("CORE DUMPS: Your current working directory is \"%s\".\n", cwd);
+ int patternfd;
+ if ((patternfd = open("/proc/sys/kernel/core_pattern", O_RDONLY)) >= 0) {
+ if (read(patternfd, cwd, sizeof(cwd)) > 0)
+ /* a trailing newline is included in cwd */
+ LOG("CORE DUMPS: Your core_pattern is: %s", cwd);
+ close(patternfd);
+ }
+ }
+