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Add 'const' where appropriate to index handling functions

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This is in an effort to make the source index of 'unpack_trees()' as
being const, and thus making the compiler help us verify that we only
access it for reading.

The constification also extended to some of the hashing helpers that get
called indirectly.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Linus Torvalds
2008-03-06 12:46:09 -08:00
committed by Junio C Hamano
parent bcbe5a515e
commit d1f128b050
4 changed files with 16 additions and 16 deletions
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4
hash.h
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@@ -28,9 +28,9 @@ struct hash_table {
struct hash_table_entry *array;
};
extern void *lookup_hash(unsigned int hash, struct hash_table *table);
extern void *lookup_hash(unsigned int hash, const struct hash_table *table);
extern void **insert_hash(unsigned int hash, void *ptr, struct hash_table *table);
extern int for_each_hash(struct hash_table *table, int (*fn)(void *));
extern int for_each_hash(const struct hash_table *table, int (*fn)(void *));
extern void free_hash(struct hash_table *table);
static inline void init_hash(struct hash_table *table)