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| author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2021-02-24 11:14:44 -0300 |
|---|---|---|
| committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2021-02-24 11:14:44 -0300 |
| commit | 59c88f846d1dcd901a4420651aedf27816618923 (patch) | |
| tree | 0e76a066c383cbc99cc2f60b8b4f97c5df45e479 /loslib.c | |
| parent | c03c527fd207b4ad8f5a8e0f4f2c176bd227c979 (diff) | |
| download | lua-59c88f846d1dcd901a4420651aedf27816618923.tar.gz lua-59c88f846d1dcd901a4420651aedf27816618923.tar.bz2 lua-59c88f846d1dcd901a4420651aedf27816618923.zip | |
Broadening the use of branch hints
More uses of macros 'likely'/'unlikely' (renamed to
'l_likely'/'l_unlikely'), both in range (extended to the
libraries) and in scope (extended to hooks, stack growth).
Diffstat (limited to 'loslib.c')
| -rw-r--r-- | loslib.c | 8 |
1 files changed, 4 insertions, 4 deletions
| @@ -170,7 +170,7 @@ static int os_tmpname (lua_State *L) { | |||
| 170 | char buff[LUA_TMPNAMBUFSIZE]; | 170 | char buff[LUA_TMPNAMBUFSIZE]; |
| 171 | int err; | 171 | int err; |
| 172 | lua_tmpnam(buff, err); | 172 | lua_tmpnam(buff, err); |
| 173 | if (err) | 173 | if (l_unlikely(err)) |
| 174 | return luaL_error(L, "unable to generate a unique filename"); | 174 | return luaL_error(L, "unable to generate a unique filename"); |
| 175 | lua_pushstring(L, buff); | 175 | lua_pushstring(L, buff); |
| 176 | return 1; | 176 | return 1; |
| @@ -208,7 +208,7 @@ static int os_clock (lua_State *L) { | |||
| 208 | */ | 208 | */ |
| 209 | static void setfield (lua_State *L, const char *key, int value, int delta) { | 209 | static void setfield (lua_State *L, const char *key, int value, int delta) { |
| 210 | #if (defined(LUA_NUMTIME) && LUA_MAXINTEGER <= INT_MAX) | 210 | #if (defined(LUA_NUMTIME) && LUA_MAXINTEGER <= INT_MAX) |
| 211 | if (value > LUA_MAXINTEGER - delta) | 211 | if (l_unlikely(value > LUA_MAXINTEGER - delta)) |
| 212 | luaL_error(L, "field '%s' is out-of-bound", key); | 212 | luaL_error(L, "field '%s' is out-of-bound", key); |
| 213 | #endif | 213 | #endif |
| 214 | lua_pushinteger(L, (lua_Integer)value + delta); | 214 | lua_pushinteger(L, (lua_Integer)value + delta); |
| @@ -253,9 +253,9 @@ static int getfield (lua_State *L, const char *key, int d, int delta) { | |||
| 253 | int t = lua_getfield(L, -1, key); /* get field and its type */ | 253 | int t = lua_getfield(L, -1, key); /* get field and its type */ |
| 254 | lua_Integer res = lua_tointegerx(L, -1, &isnum); | 254 | lua_Integer res = lua_tointegerx(L, -1, &isnum); |
| 255 | if (!isnum) { /* field is not an integer? */ | 255 | if (!isnum) { /* field is not an integer? */ |
| 256 | if (t != LUA_TNIL) /* some other value? */ | 256 | if (l_unlikely(t != LUA_TNIL)) /* some other value? */ |
| 257 | return luaL_error(L, "field '%s' is not an integer", key); | 257 | return luaL_error(L, "field '%s' is not an integer", key); |
| 258 | else if (d < 0) /* absent field; no default? */ | 258 | else if (l_unlikely(d < 0)) /* absent field; no default? */ |
| 259 | return luaL_error(L, "field '%s' missing in date table", key); | 259 | return luaL_error(L, "field '%s' missing in date table", key); |
| 260 | res = d; | 260 | res = d; |
| 261 | } | 261 | } |