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Add git_tree_entry_cmp and git_tree_entry_icmp

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This adds a new external API git_tree_entry_cmp and a new internal
API git_tree_entry_icmp for sorting tree entries.  The case
insensitive one is internal only because general users should
never be seeing case-insensitively sorted trees.
This commit is contained in:
Russell Belfer 2013-01-09 16:03:35 -08:00
parent 23594c1dae
commit 98527b5b24
3 changed files with 26 additions and 6 deletions
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9
include/git2/tree.h
View File

@ -208,6 +208,15 @@ GIT_EXTERN(git_otype) git_tree_entry_type(const git_tree_entry *entry);
*/
GIT_EXTERN(git_filemode_t) git_tree_entry_filemode(const git_tree_entry *entry);
/**
* Compare two tree entries
*
* @param e1 first tree entry
* @param e2 second tree entry
* @return <0 if e1 is before e2, 0 if e1 == e2, >0 if e1 is after e2
*/
GIT_EXTERN(int) git_tree_entry_cmp(const git_tree_entry *e1, const git_tree_entry *e2);
/**
* Convert a tree entry to the git_object it points too.
*

21
src/tree.c
View File

@ -55,14 +55,23 @@ static int valid_entry_name(const char *filename)
strcmp(filename, DOT_GIT) != 0));
}
int git_tree_entry_cmp(const git_tree_entry *e1, const git_tree_entry *e2)
{
return git_path_cmp(
e1->filename, e1->filename_len, git_tree_entry__is_tree(e1),
e2->filename, e2->filename_len, git_tree_entry__is_tree(e2));
}
int git_tree_entry_icmp(const git_tree_entry *e1, const git_tree_entry *e2)
{
return git_path_icmp(
e1->filename, e1->filename_len, git_tree_entry__is_tree(e1),
e2->filename, e2->filename_len, git_tree_entry__is_tree(e2));
}
static int entry_sort_cmp(const void *a, const void *b)
{
const git_tree_entry *entry_a = (const git_tree_entry *)(a);
const git_tree_entry *entry_b = (const git_tree_entry *)(b);
return git_path_cmp(
entry_a->filename, entry_a->filename_len, git_tree_entry__is_tree(entry_a),
entry_b->filename, entry_b->filename_len, git_tree_entry__is_tree(entry_b));
return git_tree_entry_cmp((const git_tree_entry *)a, (const git_tree_entry *)b);
}
static git_tree_entry *alloc_entry(const char *filename)

2
src/tree.h
View File

@ -39,6 +39,8 @@ GIT_INLINE(bool) git_tree_entry__is_tree(const struct git_tree_entry *e)
return (S_ISDIR(e->attr) && !S_ISGITLINK(e->attr));
}
extern int git_tree_entry_icmp(const git_tree_entry *e1, const git_tree_entry *e2);
void git_tree__free(git_tree *tree);
int git_tree__parse(git_tree *tree, git_odb_object *obj);