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lua optimize current_path function

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frees up around 500 bytes by using the builtin string functionality

Change-Id: Icd4ec921d3fec339b8a4b7f80c9c63d51d4c101c
This commit is contained in:
William Wilgus 2018-10-13 13:35:01 -04:00
parent 0b7a8d5afd
commit 07fed9053a
4 changed files with 13 additions and 24 deletions
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22
apps/plugins/lua/rockaux.c
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@ -73,9 +73,8 @@ int strcoll(const char * str1, const char * str2)
return rb->strcmp(str1, str2);
}
const char* get_current_path(lua_State *L, int level)
int get_current_path(lua_State *L, int level)
{
static char buffer[MAX_PATH];
lua_Debug ar;
if(lua_getstack(L, level, &ar))
@ -84,22 +83,15 @@ const char* get_current_path(lua_State *L, int level)
and write it to dest. */
lua_getinfo(L, "S", &ar);
char* curfile = (char*) &ar.source[1];
char* pos = rb->strrchr(curfile, '/');
const char* curfile = &ar.source[1];
const 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';
return buffer;
lua_pushlstring (L, curfile, pos - curfile + 1);
return 1;
}
}
return NULL;
lua_pushnil(L);
return 1;
}