refactor git_getpass into generic prompt function

diff --git a/builtin/blame.c b/builtin/blame.c
index 26a5d424b8ceb0fd403a492e46e3637fd35068ba..80febbe420db1c75bbcf7eda6a733e7e66549790 100644 (file)
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -2096,6 +2096,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
        if (!contents_from || strcmp("-", contents_from)) {
                struct stat st;
                const char *read_from;
+               char *buf_ptr;
                unsigned long buf_len;
 
                if (contents_from) {
@@ -2113,8 +2114,8 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
                switch (st.st_mode & S_IFMT) {
                case S_IFREG:
                        if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) &&
-                           textconv_object(read_from, mode, null_sha1, &buf.buf, &buf_len))
-                               buf.len = buf_len;
+                           textconv_object(read_from, mode, null_sha1, &buf_ptr, &buf_len))
+                               strbuf_attach(&buf, buf_ptr, buf_len, buf_len + 1);
                        else if (strbuf_read_file(&buf, read_from, st.st_size) != st.st_size)
                                die_errno("cannot open or read '%s'", read_from);
                        break;