Function luaL_gsub

app/redis-6.2.6/deps/lua/src/lauxlib.c:340–354

LUALIB_API const char *luaL_gsub (lua_State *L, const char *s, const char *p,
                                                               const char *r) {
  const char *wild;
  size_t l = strlen(p);
  luaL_Buffer b;
  luaL_buffinit(L, &b);
  while ((wild = strstr(s, p)) != NULL) {
    luaL_addlstring(&b, s, wild - s);  /* push prefix */
    luaL_addstring(&b, r);  /* push replacement in place of pattern */
    s = wild + l;  /* continue after `p' */
  }
  luaL_addstring(&b, s);  /* push last suffix */
  luaL_pushresult(&b);
  return lua_tostring(L, -1);
}


LUALIB_API const char *luaL_findtable (lua_State *L, int idx,