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read-cache.c: initialize copy_len to shut up gcc 8 

It was reported that when building with NO_PTHREADS=1,
-Wmaybe-uninitialized is triggered. Just initialize the variable from
the beginning to shut the compiler up (because this warning is enabled
in config.dev)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Nguyễn Thái Ngọc Duy 2018-11-03 09:48:49 +01:00 committed by Junio C Hamano
parent 88168b9b43
commit f5c4a9af45
1 changed files with 1 additions and 3 deletions
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4
read-cache.c
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@ -1746,7 +1746,7 @@ static struct cache_entry *create_from_disk(struct mem_pool *ce_mem_pool,
size_t len; size_t len;
const char *name; const char *name;
unsigned int flags; unsigned int flags;
size_t copy_len; size_t copy_len = 0;
/* /*
* Adjacent cache entries tend to share the leading paths, so it makes * Adjacent cache entries tend to share the leading paths, so it makes
* sense to only store the differences in later entries. In the v4 * sense to only store the differences in later entries. In the v4
@ -1786,8 +1786,6 @@ static struct cache_entry *create_from_disk(struct mem_pool *ce_mem_pool,
die(_("malformed name field in the index, near path '%s'"), die(_("malformed name field in the index, near path '%s'"),
previous_ce->name); previous_ce->name);
copy_len = previous_len - strip_len; copy_len = previous_len - strip_len;
} else {
copy_len = 0;
} }
name = (const char *)cp; name = (const char *)cp;
} }