xgethostname: handle long hostnames

diff --git a/git-compat-util.h b/git-compat-util.h
index 1f1e82407e1e93dbe7e47b94ca4aef01d4910d08..b8c4c8d638dfc9cdb261db3e64ab3eb33f3b5558 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -882,6 +882,8 @@ extern int xsnprintf(char *dst, size_t max, const char *fmt, ...);
 #define HOST_NAME_MAX 256
 #endif
 
+extern int xgethostname(char *buf, size_t len);
+
 /* in ctype.c, for kwset users */
 extern const unsigned char tolower_trans_tbl[256];