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grub2/0179-grub-core-fs-hfsplus.c-grub_hfsplus_btree_iterate_no.patch
Peter Jones f74b50e380 Rebase to upstream, fix a pile of bugs. The usual. 
Signed-off-by: Peter Jones <pjones@redhat.com>
2013-06-12 15:37:08 -04:00

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From b84a77fb369ad36eb12126ca42d6b0d31259f71e Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Fri, 1 Mar 2013 14:02:27 +0100
Subject: [PATCH 179/482] * grub-core/fs/hfsplus.c
(grub_hfsplus_btree_iterate_node): Pass the context through.
(grub_hfsplus_iterate_dir): Move nested function out of its parent.
---
ChangeLog | 6 ++
grub-core/fs/hfsplus.c | 218 ++++++++++++++++++++++++++-----------------------
2 files changed, 123 insertions(+), 101 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 0bad8bf..838d8af 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2013-03-01 Vladimir Serbinenko <phcoder@gmail.com>
+ * grub-core/fs/hfsplus.c (grub_hfsplus_btree_iterate_node): Pass
+ the context through.
+ (grub_hfsplus_iterate_dir): Move nested function out of its parent.
+
+2013-03-01 Vladimir Serbinenko <phcoder@gmail.com>
+
* util/grub-editenv.c (list_variables): Move print_var out of its
parent.
diff --git a/grub-core/fs/hfsplus.c b/grub-core/fs/hfsplus.c
index 29a3a94..a507c0f 100644
--- a/grub-core/fs/hfsplus.c
+++ b/grub-core/fs/hfsplus.c
@@ -620,7 +620,8 @@ static int
grub_hfsplus_btree_iterate_node (struct grub_hfsplus_btree *btree,
struct grub_hfsplus_btnode *first_node,
grub_disk_addr_t first_rec,
- int (*hook) (void *record))
+ int (*hook) (void *record, void *hook_arg),
+ void *hook_arg)
{
grub_disk_addr_t rec;
grub_uint64_t saved_node = -1;
@@ -633,7 +634,7 @@ grub_hfsplus_btree_iterate_node (struct grub_hfsplus_btree *btree,
/* Iterate over all records in this node. */
for (rec = first_rec; rec < grub_be_to_cpu16 (first_node->count); rec++)
{
- if (hook (grub_hfsplus_btree_recptr (btree, first_node, rec)))
+ if (hook (grub_hfsplus_btree_recptr (btree, first_node, rec), hook_arg))
return 1;
}
@@ -764,123 +765,138 @@ grub_hfsplus_btree_search (struct grub_hfsplus_btree *btree,
}
}
+struct list_nodes_ctx
+{
+ int ret;
+ grub_fshelp_node_t dir;
+ grub_fshelp_iterate_dir_hook_t hook;
+ void *hook_data;
+};
+
static int
-grub_hfsplus_iterate_dir (grub_fshelp_node_t dir,
- grub_fshelp_iterate_dir_hook_t hook, void *hook_data)
+list_nodes (void *record, void *hook_arg)
{
- int ret = 0;
+ struct grub_hfsplus_catkey *catkey;
+ char *filename;
+ int i;
+ struct grub_fshelp_node *node;
+ struct grub_hfsplus_catfile *fileinfo;
+ enum grub_fshelp_filetype type = GRUB_FSHELP_UNKNOWN;
+ struct list_nodes_ctx *ctx = hook_arg;
+
+ catkey = (struct grub_hfsplus_catkey *) record;
+
+ fileinfo =
+ (struct grub_hfsplus_catfile *) ((char *) record
+ + grub_be_to_cpu16 (catkey->keylen)
+ + 2 + (grub_be_to_cpu16(catkey->keylen)
+ % 2));
- auto int list_nodes (void *record);
- int list_nodes (void *record)
+ /* Stop iterating when the last directory entry is found. */
+ if (grub_be_to_cpu32 (catkey->parent) != ctx->dir->fileid)
+ return 1;
+
+ /* Determine the type of the node that is found. */
+ switch (fileinfo->type)
{
- struct grub_hfsplus_catkey *catkey;
- char *filename;
- int i;
- struct grub_fshelp_node *node;
- struct grub_hfsplus_catfile *fileinfo;
- enum grub_fshelp_filetype type = GRUB_FSHELP_UNKNOWN;
-
- catkey = (struct grub_hfsplus_catkey *) record;
-
- fileinfo =
- (struct grub_hfsplus_catfile *) ((char *) record
- + grub_be_to_cpu16 (catkey->keylen)
- + 2 + (grub_be_to_cpu16(catkey->keylen)
- % 2));
-
- /* Stop iterating when the last directory entry is found. */
- if (grub_be_to_cpu32 (catkey->parent) != dir->fileid)
+ case grub_cpu_to_be16_compile_time (GRUB_HFSPLUS_FILETYPE_REG):
+ {
+ int mode = (grub_be_to_cpu16 (fileinfo->mode)
+ & GRUB_HFSPLUS_FILEMODE_MASK);
+
+ if (mode == GRUB_HFSPLUS_FILEMODE_REG)
+ type = GRUB_FSHELP_REG;
+ else if (mode == GRUB_HFSPLUS_FILEMODE_SYMLINK)
+ type = GRUB_FSHELP_SYMLINK;
+ else
+ type = GRUB_FSHELP_UNKNOWN;
+ break;
+ }
+ case grub_cpu_to_be16_compile_time (GRUB_HFSPLUS_FILETYPE_DIR):
+ type = GRUB_FSHELP_DIR;
+ break;
+ case grub_cpu_to_be16_compile_time (GRUB_HFSPLUS_FILETYPE_DIR_THREAD):
+ if (ctx->dir->fileid == 2)
+ return 0;
+ node = grub_malloc (sizeof (*node));
+ if (!node)
return 1;
+ node->data = ctx->dir->data;
+ node->mtime = 0;
+ node->size = 0;
+ node->fileid = grub_be_to_cpu32 (fileinfo->parentid);
- /* Determine the type of the node that is found. */
- switch (fileinfo->type)
- {
- case grub_cpu_to_be16_compile_time (GRUB_HFSPLUS_FILETYPE_REG):
- {
- int mode = (grub_be_to_cpu16 (fileinfo->mode)
- & GRUB_HFSPLUS_FILEMODE_MASK);
-
- if (mode == GRUB_HFSPLUS_FILEMODE_REG)
- type = GRUB_FSHELP_REG;
- else if (mode == GRUB_HFSPLUS_FILEMODE_SYMLINK)
- type = GRUB_FSHELP_SYMLINK;
- else
- type = GRUB_FSHELP_UNKNOWN;
- break;
- }
- case grub_cpu_to_be16_compile_time (GRUB_HFSPLUS_FILETYPE_DIR):
- type = GRUB_FSHELP_DIR;
- break;
- case grub_cpu_to_be16_compile_time (GRUB_HFSPLUS_FILETYPE_DIR_THREAD):
- if (dir->fileid == 2)
- return 0;
- node = grub_malloc (sizeof (*node));
- if (!node)
- return 1;
- node->data = dir->data;
- node->mtime = 0;
- node->size = 0;
- node->fileid = grub_be_to_cpu32 (fileinfo->parentid);
+ ctx->ret = ctx->hook ("..", GRUB_FSHELP_DIR, node, ctx->hook_data);
+ return ctx->ret;
+ }
- ret = hook ("..", GRUB_FSHELP_DIR, node, hook_data);
- return ret;
- }
+ if (type == GRUB_FSHELP_UNKNOWN)
+ return 0;
- if (type == GRUB_FSHELP_UNKNOWN)
- return 0;
+ filename = grub_malloc (grub_be_to_cpu16 (catkey->namelen)
+ * GRUB_MAX_UTF8_PER_UTF16 + 1);
+ if (! filename)
+ return 0;
- filename = grub_malloc (grub_be_to_cpu16 (catkey->namelen)
- * GRUB_MAX_UTF8_PER_UTF16 + 1);
- if (! filename)
- return 0;
+ /* Make sure the byte order of the UTF16 string is correct. */
+ for (i = 0; i < grub_be_to_cpu16 (catkey->namelen); i++)
+ {
+ catkey->name[i] = grub_be_to_cpu16 (catkey->name[i]);
- /* Make sure the byte order of the UTF16 string is correct. */
- for (i = 0; i < grub_be_to_cpu16 (catkey->namelen); i++)
- {
- catkey->name[i] = grub_be_to_cpu16 (catkey->name[i]);
+ if (catkey->name[i] == '/')
+ catkey->name[i] = ':';
- if (catkey->name[i] == '/')
- catkey->name[i] = ':';
+ /* If the name is obviously invalid, skip this node. */
+ if (catkey->name[i] == 0)
+ return 0;
+ }
- /* If the name is obviously invalid, skip this node. */
- if (catkey->name[i] == 0)
- return 0;
- }
+ *grub_utf16_to_utf8 ((grub_uint8_t *) filename, catkey->name,
+ grub_be_to_cpu16 (catkey->namelen)) = '\0';
- *grub_utf16_to_utf8 ((grub_uint8_t *) filename, catkey->name,
- grub_be_to_cpu16 (catkey->namelen)) = '\0';
+ /* Restore the byte order to what it was previously. */
+ for (i = 0; i < grub_be_to_cpu16 (catkey->namelen); i++)
+ {
+ if (catkey->name[i] == ':')
+ catkey->name[i] = '/';
+ catkey->name[i] = grub_be_to_cpu16 (catkey->name[i]);
+ }
- /* Restore the byte order to what it was previously. */
- for (i = 0; i < grub_be_to_cpu16 (catkey->namelen); i++)
- {
- if (catkey->name[i] == ':')
- catkey->name[i] = '/';
- catkey->name[i] = grub_be_to_cpu16 (catkey->name[i]);
- }
+ /* hfs+ is case insensitive. */
+ if (! ctx->dir->data->case_sensitive)
+ type |= GRUB_FSHELP_CASE_INSENSITIVE;
- /* hfs+ is case insensitive. */
- if (! dir->data->case_sensitive)
- type |= GRUB_FSHELP_CASE_INSENSITIVE;
+ /* A valid node is found; setup the node and call the
+ callback function. */
+ node = grub_malloc (sizeof (*node));
+ if (!node)
+ return 1;
+ node->data = ctx->dir->data;
- /* A valid node is found; setup the node and call the
- callback function. */
- node = grub_malloc (sizeof (*node));
- if (!node)
- return 1;
- node->data = dir->data;
+ grub_memcpy (node->extents, fileinfo->data.extents,
+ sizeof (node->extents));
+ node->mtime = grub_be_to_cpu32 (fileinfo->mtime) - 2082844800;
+ node->size = grub_be_to_cpu64 (fileinfo->data.size);
+ node->fileid = grub_be_to_cpu32 (fileinfo->fileid);
- grub_memcpy (node->extents, fileinfo->data.extents,
- sizeof (node->extents));
- node->mtime = grub_be_to_cpu32 (fileinfo->mtime) - 2082844800;
- node->size = grub_be_to_cpu64 (fileinfo->data.size);
- node->fileid = grub_be_to_cpu32 (fileinfo->fileid);
+ ctx->ret = ctx->hook (filename, type, node, ctx->hook_data);
- ret = hook (filename, type, node, hook_data);
+ grub_free (filename);
- grub_free (filename);
+ return ctx->ret;
+}
- return ret;
- }
+static int
+grub_hfsplus_iterate_dir (grub_fshelp_node_t dir,
+ grub_fshelp_iterate_dir_hook_t hook, void *hook_data)
+{
+ struct list_nodes_ctx ctx =
+ {
+ .ret = 0,
+ .dir = dir,
+ .hook = hook,
+ .hook_data = hook_data
+ };
struct grub_hfsplus_key_internal intern;
struct grub_hfsplus_btnode *node;
@@ -908,11 +924,11 @@ grub_hfsplus_iterate_dir (grub_fshelp_node_t dir,
/* Iterate over all entries in this directory. */
grub_hfsplus_btree_iterate_node (&dir->data->catalog_tree, node, ptr,
- list_nodes);
+ list_nodes, &ctx);
grub_free (node);
- return ret;
+ return ctx.ret;
}
/* Open a file named NAME and initialize FILE. */
--
1.8.2.1
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