//
// E_OpenAndCheckInclude
//
// Performs the following actions:
// 1. Caches the indicated file or lump (lump only if lumpnum >= 0).
// If the file cannot be opened, the libConfuse error code 1 is
// returned.
// 2. Calls E_CheckInclude on the cached data.
// 3. If there is a hash collision, the data is freed. The libConfuse
// "ok" code 0 will be returned.
// 4. If there is not a hash collision, the data is included through a
// call to cfg_lexer_include. The return value of that function will
// be propagated.
//
static int E_OpenAndCheckInclude(cfg_t *cfg, const char *fn, int lumpnum)
{
size_t len;
char *data;
int code = 1;
E_EDFLogPrintf("\t\t* Including %s\n", fn);
// must open the data source
if((data = cfg_lexer_mustopen(cfg, fn, lumpnum, &len)))
{
// see if we already parsed this data source
if(E_CheckInclude(data, len))
code = cfg_lexer_include(cfg, data, fn, lumpnum);
else
{
// we already parsed it, but this is not an error;
// we ignore the include and return 0 to indicate success.
efree(data);
code = 0;
}
}
return code;
}
DLLIMPORT int cfg_include(cfg_t *cfg, cfg_opt_t *opt, int argc, const char **argv)
{
opt = NULL;
if (argc != 1) {
cfg_error(cfg, _("wrong number of arguments to cfg_include()"));
return 1;
}
return cfg_lexer_include(cfg, argv[0]);
}
