offmap: store off64_t's instead of git_off_t's

Prefer `off64_t` to `git_off_t` internally for visibility.

src/offmap.c

@@ -14,9 +14,9 @@
 #define kfree git__free
 #include "khash.h"
 
-__KHASH_TYPE(off, git_off_t, void *)
+__KHASH_TYPE(off, off64_t, void *)
 
-__KHASH_IMPL(off, static kh_inline, git_off_t, void *, 1, kh_int64_hash_func, kh_int64_hash_equal)
+__KHASH_IMPL(off, static kh_inline, off64_t, void *, 1, kh_int64_hash_func, kh_int64_hash_equal)
 
 
 int git_offmap_new(git_offmap **out)
@@ -42,7 +42,7 @@ size_t git_offmap_size(git_offmap *map)
 	return kh_size(map);
 }
 
-void *git_offmap_get(git_offmap *map, const git_off_t key)
+void *git_offmap_get(git_offmap *map, const off64_t key)
 {
 	size_t idx = kh_get(off, map, key);
 	if (idx == kh_end(map) || !kh_exist(map, idx))
@@ -50,7 +50,7 @@ void *git_offmap_get(git_offmap *map, const git_off_t key)
 	return kh_val(map, idx);
 }
 
-int git_offmap_set(git_offmap *map, const git_off_t key, void *value)
+int git_offmap_set(git_offmap *map, const off64_t key, void *value)
 {
 	size_t idx;
 	int rval;
@@ -67,7 +67,7 @@ int git_offmap_set(git_offmap *map, const git_off_t key, void *value)
 	return 0;
 }
 
-int git_offmap_delete(git_offmap *map, const git_off_t key)
+int git_offmap_delete(git_offmap *map, const off64_t key)
 {
 	khiter_t idx = kh_get(off, map, key);
 	if (idx == kh_end(map))
@@ -76,12 +76,12 @@ int git_offmap_delete(git_offmap *map, const git_off_t key)
 	return 0;
 }
 
-int git_offmap_exists(git_offmap *map, const git_off_t key)
+int git_offmap_exists(git_offmap *map, const off64_t key)
 {
 	return kh_get(off, map, key) != kh_end(map);
 }
 
-int git_offmap_iterate(void **value, git_offmap *map, size_t *iter, git_off_t *key)
+int git_offmap_iterate(void **value, git_offmap *map, size_t *iter, off64_t *key)
 {
 	size_t i = *iter;
 

src/offmap.h

@@ -11,11 +11,11 @@
 
 #include "git2/types.h"
 
-/** A map with `git_off_t`s as key. */
+/** A map with `off64_t`s as key. */
 typedef struct kh_off_s git_offmap;
 
 /**
- * Allocate a new `git_off_t` map.
+ * Allocate a new `off64_t` map.
  *
  * @param out Pointer to the map that shall be allocated.
  * @return 0 on success, an error code if allocation has failed.
@@ -59,7 +59,7 @@ size_t git_offmap_size(git_offmap *map);
  * @param key key to search for
  * @return value associated with the given key or NULL if the key was not found
  */
-void *git_offmap_get(git_offmap *map, const git_off_t key);
+void *git_offmap_get(git_offmap *map, const off64_t key);
 
 /**
  * Set the entry for key to value.
@@ -74,7 +74,7 @@ void *git_offmap_get(git_offmap *map, const git_off_t key);
  * @return zero if the key was successfully set, a negative error
  *         code otherwise
  */
-int git_offmap_set(git_offmap *map, const git_off_t key, void *value);
+int git_offmap_set(git_offmap *map, const off64_t key, void *value);
 
 /**
  * Delete an entry from the map.
@@ -88,7 +88,7 @@ int git_offmap_set(git_offmap *map, const git_off_t key, void *value);
  *         such key was found, a negative code in case of an
  *         error
  */
-int git_offmap_delete(git_offmap *map, const git_off_t key);
+int git_offmap_delete(git_offmap *map, const off64_t key);
 
 /**
  * Check whether a key exists in the given map.
@@ -97,7 +97,7 @@ int git_offmap_delete(git_offmap *map, const git_off_t key);
  * @param key key to search for
  * @return 0 if the key has not been found, 1 otherwise
  */
-int git_offmap_exists(git_offmap *map, const git_off_t key);
+int git_offmap_exists(git_offmap *map, const off64_t key);
 
 /**
  * Iterate over entries of the map.
@@ -118,7 +118,7 @@ int git_offmap_exists(git_offmap *map, const git_off_t key);
  *        GIT_ITEROVER if no entries are left. A negative error
  *        code otherwise.
  */
-int git_offmap_iterate(void **value, git_offmap *map, size_t *iter, git_off_t *key);
+int git_offmap_iterate(void **value, git_offmap *map, size_t *iter, off64_t *key);
 
 #define git_offmap_foreach(h, kvar, vvar, code) { size_t __i = 0;		\
 	while (git_offmap_iterate((void **) &(vvar), h, &__i, &(kvar)) == 0) {	\