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Lua: add the package library

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21506 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-06-25 13:26:05 +00:00
parent 48f4512518
commit 3ff84e5e4f
7 changed files with 345 additions and 55 deletions
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30
apps/plugins/lua/rocklib.c
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@ -866,13 +866,33 @@ RB_WRAP(read_bmp_file)
RB_WRAP(current_path)
{
char buffer[MAX_PATH];
if(get_cur_path(L, buffer, sizeof(buffer)))
lua_Debug ar;
if(lua_getstack(L, 1, &ar))
{
lua_pushstring(L, buffer);
return 1;
/* Try determining the base path of the current Lua chunk
and write it to dest. */
lua_getinfo(L, "S", &ar);
char* curfile = (char*) &ar.source[1];
char* pos = rb->strrchr(curfile, '/');
if(pos != NULL)
{
unsigned int len = (unsigned int)(pos - curfile);
len = len + 1 > sizeof(buffer) ? sizeof(buffer) - 1 : len;
if(len > 0)
memcpy(buffer, curfile, len);
buffer[len] = '/';
buffer[len+1] = '\0';
lua_pushstring(L, buffer);
return 1;
}
}
else
return 0;
return 0;
}
#define R(NAME) {#NAME, rock_##NAME}