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commit e3a7104b404d9e19f8f125fa603a5d40a63f553d
parent 76492b4bb27a8695483449c433f4104df7b778ed
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Tue, 19 Mar 2013 10:18:47 -0300

detail (avoiding warnings)

Diffstat:
Mlbitlib.c | 8+++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lbitlib.c b/lbitlib.c @@ -1,5 +1,5 @@ /* -** $Id: lbitlib.c,v 1.16 2011/06/20 16:35:23 roberto Exp roberto $ +** $Id: lbitlib.c,v 1.17 2013/02/21 13:44:53 roberto Exp roberto $ ** Standard library for bitwise operations ** See Copyright Notice in lua.h */ @@ -147,7 +147,9 @@ static int b_rrot (lua_State *L) { /* ** get field and width arguments for field-manipulation functions, -** checking whether they are valid +** checking whether they are valid. +** ('luaL_error' called without 'return' to avoid later warnings about +** 'width' being used uninitialized.) */ static int fieldargs (lua_State *L, int farg, int *width) { int f = luaL_checkint(L, farg); @@ -155,7 +157,7 @@ static int fieldargs (lua_State *L, int farg, int *width) { luaL_argcheck(L, 0 <= f, farg, "field cannot be negative"); luaL_argcheck(L, 0 < w, farg + 1, "width must be positive"); if (f + w > LUA_NBITS) - return luaL_error(L, "trying to access non-existent bits"); + luaL_error(L, "trying to access non-existent bits"); *width = w; return f; }