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symlinks: remove PATH_MAX limitation

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'git checkout' fails if a directory is longer than PATH_MAX, because the
lstat_cache in symlinks.c checks if the leading directory exists using
PATH_MAX-bounded string operations.

Remove the limitation by using strbuf instead.

Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Karsten Blees
2014-07-05 00:41:46 +02:00
committed by Junio C Hamano
parent c2f7b1026e
commit e7c7305300
3 changed files with 36 additions and 39 deletions
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4
preload-index.c
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@ -37,9 +37,8 @@ static void *preload_thread(void *_data)
struct thread_data *p = _data;
struct index_state *index = p->index;
struct cache_entry **cep = index->cache + p->offset;
struct cache_def cache;
struct cache_def cache = CACHE_DEF_INIT;
memset(&cache, 0, sizeof(cache));
nr = p->nr;
if (nr + p->offset > index->cache_nr)
nr = index->cache_nr - p->offset;
@ -64,6 +63,7 @@ static void *preload_thread(void *_data)
continue;
ce_mark_uptodate(ce);
} while (--nr > 0);
cache_def_free(&cache);
return NULL;
}