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glz-encoder-dict: Remove a warning compiling with CentOS 7

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CentOS 7 compiler generate this warning:

glz-encoder-dict.c: In function 'glz_dictionary_pre_encode':
glz-encoder-dict.c:516:30: error: 'prev_seg_id' may be used uninitialized in this function [-Werror=maybe-uninitialized]
             dict->window.segs[prev_seg_id].next = seg_id;
                              ^
glz-encoder-dict.c:492:22: note: 'prev_seg_id' was declared here
     uint32_t seg_id, prev_seg_id;
                      ^

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Christophe Fergeau <cfergeau@redhat.com>
This commit is contained in:
Frediano Ziglio 2018-07-10 21:03:48 +01:00
parent 65eca77c81
commit c778c7ce93
1 changed files with 2 additions and 1 deletions
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3
server/glz-encoder-dict.c
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@ -489,7 +489,8 @@ static WindowImage *glz_dictionary_window_add_image(SharedDictionary *dict, LzIm
{
unsigned int num_lines = num_first_lines;
unsigned int row;
uint32_t seg_id, prev_seg_id;
uint32_t seg_id;
uint32_t prev_seg_id = 0;
uint8_t* lines = first_lines;
// alloc image info,update used head tail, if used_head null - update head
WindowImage *image = __glz_dictionary_window_alloc_image(dict);