1 files changed, 39 insertions, 0 deletions
diff --git a/src/utils.h b/src/utils.h
new file mode 100644
index 0000000..826bb94
--- /dev/null
+++ b/src/utils.h
@@ -0,0 +1,39 @@
+#ifndef TTYD_UTIL_H
+#define TTYD_UTIL_H
+
+#define container_of(ptr, type, member)                \
+  ({                                                   \
+    const typeof(((type *)0)->member) *__mptr = (ptr); \
+    (type *)((char *)__mptr - offsetof(type, member)); \
+  })
+
+// malloc with NULL check
+void *xmalloc(size_t size);
+
+// realloc with NULL check
+void *xrealloc(void *p, size_t size);
+
+// Convert a string to upper case
+char *uppercase(char *s);
+
+// Convert a string to lower case
+char *lowercase(char *s);
+
+// Check whether str ends with suffix
+bool endswith(const char *str, const char *suffix);
+
+// Get human readable signal string
+int get_sig_name(int sig, char *buf, size_t len);
+
+// Get signal code from string like SIGHUP
+int get_sig(const char *sig_name);
+
+// Open uri with the default application of system
+int open_uri(char *uri);
+
+#ifdef _WIN32
+char *strsep(char **sp, char *sep);
+const char *quote_arg(const char *arg);
+void print_error(char *func);
+#endif
+#endif  // TTYD_UTIL_H