"rerere forget" is the only user of handle_cache() helper, which in
turn is the only user of rerere_io that reads from an in-core buffer
whose getline method is implemented as rerere_mem_getline().  Gather
them together.

Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
 * New in v2.

 rerere.c | 194 +++++++++++++++++++++++++++++++--------------------------------
 1 file changed, 97 insertions(+), 97 deletions(-)

diff --git a/rerere.c b/rerere.c
index 3d4dd33..2b870e0 100644
--- a/rerere.c
+++ b/rerere.c
@@ -517,103 +517,6 @@ static int handle_file(const char *path, unsigned char 
*sha1, const char *output
 }
 
 /*
- * Subclass of rerere_io that reads from an in-core buffer that is a
- * strbuf
- */
-struct rerere_io_mem {
-       struct rerere_io io;
-       struct strbuf input;
-};
-
-/*
- * ... and its getline() method implementation
- */
-static int rerere_mem_getline(struct strbuf *sb, struct rerere_io *io_)
-{
-       struct rerere_io_mem *io = (struct rerere_io_mem *)io_;
-       char *ep;
-       size_t len;
-
-       strbuf_release(sb);
-       if (!io->input.len)
-               return -1;
-       ep = memchr(io->input.buf, '\n', io->input.len);
-       if (!ep)
-               ep = io->input.buf + io->input.len;
-       else if (*ep == '\n')
-               ep++;
-       len = ep - io->input.buf;
-       strbuf_add(sb, io->input.buf, len);
-       strbuf_remove(&io->input, 0, len);
-       return 0;
-}
-
-static int handle_cache(const char *path, unsigned char *sha1, const char 
*output)
-{
-       mmfile_t mmfile[3] = {{NULL}};
-       mmbuffer_t result = {NULL, 0};
-       const struct cache_entry *ce;
-       int pos, len, i, hunk_no;
-       struct rerere_io_mem io;
-       int marker_size = ll_merge_marker_size(path);
-
-       /*
-        * Reproduce the conflicted merge in-core
-        */
-       len = strlen(path);
-       pos = cache_name_pos(path, len);
-       if (0 <= pos)
-               return -1;
-       pos = -pos - 1;
-
-       while (pos < active_nr) {
-               enum object_type type;
-               unsigned long size;
-
-               ce = active_cache[pos++];
-               if (ce_namelen(ce) != len || memcmp(ce->name, path, len))
-                       break;
-               i = ce_stage(ce) - 1;
-               if (!mmfile[i].ptr) {
-                       mmfile[i].ptr = read_sha1_file(ce->sha1, &type, &size);
-                       mmfile[i].size = size;
-               }
-       }
-       for (i = 0; i < 3; i++)
-               if (!mmfile[i].ptr && !mmfile[i].size)
-                       mmfile[i].ptr = xstrdup("");
-
-       /*
-        * NEEDSWORK: handle conflicts from merges with
-        * merge.renormalize set, too
-        */
-       ll_merge(&result, path, &mmfile[0], NULL,
-                &mmfile[1], "ours",
-                &mmfile[2], "theirs", NULL);
-       for (i = 0; i < 3; i++)
-               free(mmfile[i].ptr);
-
-       memset(&io, 0, sizeof(io));
-       io.io.getline = rerere_mem_getline;
-       if (output)
-               io.io.output = fopen(output, "w");
-       else
-               io.io.output = NULL;
-       strbuf_init(&io.input, 0);
-       strbuf_attach(&io.input, result.ptr, result.size, result.size);
-
-       /*
-        * Grab the conflict ID and optionally write the original
-        * contents with conflict markers out.
-        */
-       hunk_no = handle_path(sha1, (struct rerere_io *)&io, marker_size);
-       strbuf_release(&io.input);
-       if (io.io.output)
-               fclose(io.io.output);
-       return hunk_no;
-}
-
-/*
  * Look at a cache entry at "i" and see if it is not conflicting,
  * conflicting and we are willing to handle, or conflicting and
  * we are unable to handle, and return the determination in *type.
@@ -1005,6 +908,103 @@ int rerere(int flags)
        return status;
 }
 
+/*
+ * Subclass of rerere_io that reads from an in-core buffer that is a
+ * strbuf
+ */
+struct rerere_io_mem {
+       struct rerere_io io;
+       struct strbuf input;
+};
+
+/*
+ * ... and its getline() method implementation
+ */
+static int rerere_mem_getline(struct strbuf *sb, struct rerere_io *io_)
+{
+       struct rerere_io_mem *io = (struct rerere_io_mem *)io_;
+       char *ep;
+       size_t len;
+
+       strbuf_release(sb);
+       if (!io->input.len)
+               return -1;
+       ep = memchr(io->input.buf, '\n', io->input.len);
+       if (!ep)
+               ep = io->input.buf + io->input.len;
+       else if (*ep == '\n')
+               ep++;
+       len = ep - io->input.buf;
+       strbuf_add(sb, io->input.buf, len);
+       strbuf_remove(&io->input, 0, len);
+       return 0;
+}
+
+static int handle_cache(const char *path, unsigned char *sha1, const char 
*output)
+{
+       mmfile_t mmfile[3] = {{NULL}};
+       mmbuffer_t result = {NULL, 0};
+       const struct cache_entry *ce;
+       int pos, len, i, hunk_no;
+       struct rerere_io_mem io;
+       int marker_size = ll_merge_marker_size(path);
+
+       /*
+        * Reproduce the conflicted merge in-core
+        */
+       len = strlen(path);
+       pos = cache_name_pos(path, len);
+       if (0 <= pos)
+               return -1;
+       pos = -pos - 1;
+
+       while (pos < active_nr) {
+               enum object_type type;
+               unsigned long size;
+
+               ce = active_cache[pos++];
+               if (ce_namelen(ce) != len || memcmp(ce->name, path, len))
+                       break;
+               i = ce_stage(ce) - 1;
+               if (!mmfile[i].ptr) {
+                       mmfile[i].ptr = read_sha1_file(ce->sha1, &type, &size);
+                       mmfile[i].size = size;
+               }
+       }
+       for (i = 0; i < 3; i++)
+               if (!mmfile[i].ptr && !mmfile[i].size)
+                       mmfile[i].ptr = xstrdup("");
+
+       /*
+        * NEEDSWORK: handle conflicts from merges with
+        * merge.renormalize set, too?
+        */
+       ll_merge(&result, path, &mmfile[0], NULL,
+                &mmfile[1], "ours",
+                &mmfile[2], "theirs", NULL);
+       for (i = 0; i < 3; i++)
+               free(mmfile[i].ptr);
+
+       memset(&io, 0, sizeof(io));
+       io.io.getline = rerere_mem_getline;
+       if (output)
+               io.io.output = fopen(output, "w");
+       else
+               io.io.output = NULL;
+       strbuf_init(&io.input, 0);
+       strbuf_attach(&io.input, result.ptr, result.size, result.size);
+
+       /*
+        * Grab the conflict ID and optionally write the original
+        * contents with conflict markers out.
+        */
+       hunk_no = handle_path(sha1, (struct rerere_io *)&io, marker_size);
+       strbuf_release(&io.input);
+       if (io.io.output)
+               fclose(io.io.output);
+       return hunk_no;
+}
+
 static int rerere_forget_one_path(const char *path, struct string_list *rr)
 {
        const char *filename;
-- 
2.8.0-215-g046a488

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