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-rw-r--r--lib/lib.h4
-rw-r--r--lib/portability.h5
2 files changed, 7 insertions, 2 deletions
diff --git a/lib/lib.h b/lib/lib.h
index 6fce34c8..07f4a6d8 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -43,8 +43,8 @@ void strlcpy(char *dest, char *src, size_t size);
void verror_msg(char *msg, int err, va_list va);
void error_msg(char *msg, ...);
void perror_msg(char *msg, ...);
-void error_exit(char *msg, ...);
-void perror_exit(char *msg, ...);
+void error_exit(char *msg, ...) noreturn;
+void perror_exit(char *msg, ...) noreturn;
void *xmalloc(size_t size);
void *xzalloc(size_t size);
void *xrealloc(void *ptr, size_t size);
diff --git a/lib/portability.h b/lib/portability.h
index 6ed1dc4f..34f7994f 100644
--- a/lib/portability.h
+++ b/lib/portability.h
@@ -3,6 +3,11 @@
#include <stdio.h>
#define fdprintf(...) dprintf(__VA_ARGS__)
+#ifdef __GNUC__
+#define noreturn __attribute__((noreturn))
+#else
+#define noreturn
+#endif
#ifndef __APPLE__
#include <byteswap.h>