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Merge pull request #12701 from erw7/fix-sattr-t-overflow 

ui: fix problem with sattr_T overflow
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erw7 2020-08-03 22:57:13 +09:00 committed by GitHub
parent 4ed5204bc9 872ecf65d1
commit f26df8bb66
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2 changed files with 7 additions and 2 deletions
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2
src/nvim/grid_defs.h
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@ -11,7 +11,7 @@
// The characters and attributes drawn on grids.
typedef char_u schar_T[(MAX_MCO+1) * 4 + 1];
typedef int16_t sattr_T;
typedef int sattr_T;
/// ScreenGrid represents a resizable rectuangular grid displayed by UI clients.
///

7
src/nvim/highlight.c
View File

@ -90,7 +90,12 @@ static int get_attr_entry(HlEntry entry)
}
}
id = (int)kv_size(attr_entries);
size_t next_id = kv_size(attr_entries);
if (next_id > INT_MAX) {
ELOG("The index on attr_entries has overflowed");
return 0;
}
id = (int)next_id;
kv_push(attr_entries, entry);
map_put(HlEntry, int)(attr_entry_ids, entry, id);