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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2011-06-16 11:14:31 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2011-06-16 11:14:31 -0300 |
commit | 817f8674af64a82c6f9c8b855446800a5642764e (patch) | |
tree | ea1a171b0f0ccdc693d5fba0869044a14eb6f344 /ltable.c | |
parent | cf0562e1e720581f1b5c05dc9cc55a0857c94639 (diff) | |
download | lua-817f8674af64a82c6f9c8b855446800a5642764e.tar.gz lua-817f8674af64a82c6f9c8b855446800a5642764e.tar.bz2 lua-817f8674af64a82c6f9c8b855446800a5642764e.zip |
avoid warning about -unsigned value
Diffstat (limited to 'ltable.c')
-rw-r--r-- | ltable.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | ** $Id: ltable.c,v 2.58 2011/06/02 19:31:40 roberto Exp roberto $ | 2 | ** $Id: ltable.c,v 2.59 2011/06/09 18:23:27 roberto Exp roberto $ |
3 | ** Lua tables (hash) | 3 | ** Lua tables (hash) |
4 | ** See Copyright Notice in lua.h | 4 | ** See Copyright Notice in lua.h |
5 | */ | 5 | */ |
@@ -88,7 +88,7 @@ static Node *hashnum (const Table *t, lua_Number n) { | |||
88 | int i; | 88 | int i; |
89 | luai_hashnum(i, n); | 89 | luai_hashnum(i, n); |
90 | if (i < 0) { | 90 | if (i < 0) { |
91 | if ((unsigned int)i == -(unsigned int)i) | 91 | if (cast(unsigned int, i) == 0u - i) /* use unsigned to avoid overflows */ |
92 | i = 0; /* handle INT_MIN */ | 92 | i = 0; /* handle INT_MIN */ |
93 | i = -i; /* must be a positive value */ | 93 | i = -i; /* must be a positive value */ |
94 | } | 94 | } |