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-rw-r--r--support/include/xcommon.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/support/include/xcommon.h b/support/include/xcommon.h
index 9e23d12..d1a4b18 100644
--- a/support/include/xcommon.h
+++ b/support/include/xcommon.h
@@ -36,6 +36,7 @@ extern void die(int err, const char *fmt, ...);
extern void (*at_die)(void);
/* exit status - bits below are ORed */
+#define EX_SUCCESS 0 /* no failure occurred */
#define EX_USAGE 1 /* incorrect invocation or permission */
#define EX_SYSERR 2 /* out of memory, cannot fork, ... */
#define EX_SOFTWARE 4 /* internal mount bug or wrong version */