builtin/am.c: use error_errno()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/am.c b/builtin/am.c
index d003939..3dfe70b 100644 (file)
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -769,15 +769,15 @@ static int split_mail_conv(mail_conv_fn fn, struct am_state *state,
                        in = fopen(*paths, "r");
 
                if (!in)
-                       return error(_("could not open '%s' for reading: %s"),
-                                       *paths, strerror(errno));
+                       return error_errno(_("could not open '%s' for reading"),
+                                          *paths);
 
                mail = mkpath("%s/%0*d", state->dir, state->prec, i + 1);
 
                out = fopen(mail, "w");
                if (!out)
-                       return error(_("could not open '%s' for writing: %s"),
-                                       mail, strerror(errno));
+                       return error_errno(_("could not open '%s' for writing"),
+                                          mail);
 
                ret = fn(out, in, keep_cr);
 
@@ -857,8 +857,7 @@ static int split_mail_stgit_series(struct am_state *state, const char **paths,
 
        fp = fopen(*paths, "r");
        if (!fp)
-               return error(_("could not open '%s' for reading: %s"), *paths,
-                               strerror(errno));
+               return error_errno(_("could not open '%s' for reading"), *paths);
 
        while (!strbuf_getline_lf(&sb, fp)) {
                if (*sb.buf == '#')