nik/lush
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

detail (using 'sizeof' instead of 'strlen' for length of a constant

Browse Source 
string)
This commit is contained in:
Roberto Ierusalimschy
2014-10-22 14:55:57 -02:00
parent 6b12b82532
commit 88ff582fd8
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
liolib.c
View File

@@ -1,5 +1,5 @@
/* /*
** $Id: liolib.c,v 2.134 2014/10/17 19:17:55 roberto Exp roberto $ ** $Id: liolib.c,v 2.135 2014/10/22 11:44:20 roberto Exp roberto $
** Standard I/O (and system) library ** Standard I/O (and system) library
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@@ -135,6 +135,7 @@
#define IO_PREFIX "_IO_" #define IO_PREFIX "_IO_"
#define IOPREF_LEN (sizeof(IO_PREFIX)/sizeof(char) - 1)
#define IO_INPUT (IO_PREFIX "input") #define IO_INPUT (IO_PREFIX "input")
#define IO_OUTPUT (IO_PREFIX "output") #define IO_OUTPUT (IO_PREFIX "output")
@@ -290,7 +291,7 @@ static FILE *getiofile (lua_State *L, const char *findex) {
lua_getfield(L, LUA_REGISTRYINDEX, findex); lua_getfield(L, LUA_REGISTRYINDEX, findex);
p = (LStream *)lua_touserdata(L, -1); p = (LStream *)lua_touserdata(L, -1);
if (isclosed(p)) if (isclosed(p))
luaL_error(L, "standard %s file is closed", findex + strlen(IO_PREFIX)); luaL_error(L, "standard %s file is closed", findex + IOPREF_LEN);
return p->f; return p->f;
} }