Function luaL_addgsub

third-party/lua-5.5.0/src/lauxlib.c:1026–1036

LUALIB_API void luaL_addgsub (luaL_Buffer *b, const char *s,
                                     const char *p, const char *r) {
  const char *wild;
  size_t l = strlen(p);
  while ((wild = strstr(s, p)) != NULL) {
    luaL_addlstring(b, s, ct_diff2sz(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 */
}


LUALIB_API const char *luaL_gsub (lua_State *L, const char *s,