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-rw-r--r--bdftruncate.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/bdftruncate.c b/bdftruncate.c
index 749869b..2b317c0 100644
--- a/bdftruncate.c
+++ b/bdftruncate.c
@@ -41,8 +41,15 @@
#include <stdlib.h>
#include <string.h>
+#if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205)) \
+ || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
+# define ATTR_NORETURN __attribute((noreturn))
+#else
+# define ATTR_NORETURN
+#endif /* GNUC */
+
static int iswide(unsigned int);
-static void usage(void);
+static void usage(void) ATTR_NORETURN;
static int parse_threshold(const char *str, unsigned long *threshold);
static int