fast-import: Fix crash when referencing already existing objects

[git.git] / git-compat-util.h

diff --git a/git-compat-util.h b/git-compat-util.h
index c08688c8f355ccf61a746bbe1ac9a6788bdea7e3..6bd8987b2774774fbbd3747a2b571b66ad78727b 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -21,6 +21,9 @@
 
 #define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits))))
 
+/* Approximation of the length of the decimal representation of this type. */
+#define decimal_length(x)      ((int)(sizeof(x) * 2.56 + 0.5) + 1)
+
 #if !defined(__APPLE__) && !defined(__FreeBSD__)
 #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
 #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */