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| author | William Wilgus <me.theuser@yahoo.com> | 2018-11-11 18:27:19 -0500 |
|---|---|---|
| committer | William Wilgus <me.theuser@yahoo.com> | 2019-07-11 00:31:41 +0200 |
| commit | c6fcb1cf45b249b059c2d53a062f9a6c7f449047 (patch) | |
| tree | 229eacd12461605a8320eb7590ff83eea13538d6 /apps/plugins/lua/lobject.c | |
| parent | 42240f6990156fb907a7dce7258be2f1235fab44 (diff) | |
| download | rockbox-c6fcb1cf45b249b059c2d53a062f9a6c7f449047.zip rockbox-c6fcb1cf45b249b059c2d53a062f9a6c7f449047.tar.gz rockbox-c6fcb1cf45b249b059c2d53a062f9a6c7f449047.tar.bz2 rockbox-c6fcb1cf45b249b059c2d53a062f9a6c7f449047.tar.xz | |
lua inbinary strings
Allows saving of ram by reusing strings already stored in the binary
and storing a pointer instead of malloc and copy to get them inside
the lua state
Saves about 1.5K overall
Derivative of work by bogdanm
RAM optimizations: pseudo RO strings, functions in Flash
https://github.com/elua/elua/commit/d54659b5723bcd2b1e3900362398c72c18a9aa0b
Change-Id: I21d6dcfa32523877efd9f70fb0f88f2a02872649
Diffstat (limited to 'apps/plugins/lua/lobject.c')
| -rw-r--r-- | apps/plugins/lua/lobject.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/apps/plugins/lua/lobject.c b/apps/plugins/lua/lobject.c index a351ff4..65a23cf 100644 --- a/apps/plugins/lua/lobject.c +++ b/apps/plugins/lua/lobject.c @@ -107,6 +107,21 @@ static void pushstr (lua_State *L, const char *str) { } +/* ROCKLUA ADDED -- Retrieves C string from TString */ +const char *luaO_getstring(const TString * ts){ + const char *string; +#ifdef INBINARYSTRINGS + if (testbits((ts)->tsv.type, TSTR_INBIN)) + string = *(cast(const char **, (ts) + 1)); + else +#else + if (true) +#endif + string = cast(const char *, (ts) + 1); + return string; +} + + /* this function handles only `%d', `%c', %f, %p, and `%s' formats */ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) { int n = 1; |