sha1_name: convert uses of 40 to GIT_SHA1_HEXSZ

diff --git a/ident.c b/ident.c
index bea871c8e02b7173eeba5527d22f5ae7783c011e..327abe557f5a66546665664511d3e71b7f0929e7 100644 (file)
--- a/ident.c
+++ b/ident.c
@@ -6,6 +6,7 @@
  * Copyright (C) 2005 Linus Torvalds
  */
 #include "cache.h"
+#include "config.h"
 
 static struct strbuf git_default_name = STRBUF_INIT;
 static struct strbuf git_default_email = STRBUF_INIT;
@@ -72,12 +73,10 @@ static int add_mailname_host(struct strbuf *buf)
        FILE *mailname;
        struct strbuf mailnamebuf = STRBUF_INIT;
 
-       mailname = fopen("/etc/mailname", "r");
-       if (!mailname) {
-               if (errno != ENOENT)
-                       warning_errno("cannot open /etc/mailname");
+       mailname = fopen_or_warn("/etc/mailname", "r");
+       if (!mailname)
                return -1;
-       }
+
        if (strbuf_getline(&mailnamebuf, mailname) == EOF) {
                if (ferror(mailname))
                        warning_errno("cannot read /etc/mailname");