/*
* convert's a user's string to variable
*
* its decides in what format to store the value
* its used mostly by 'input' functions
*/
void v_input2var(const char *str, var_t *var) {
v_free(var);
if (strlen(str) == 0) {
// no data
v_setstr(var, str);
} else {
char *np, *sb;
char buf[64];
int type;
var_int_t lv;
var_num_t dv;
sb = strdup(str);
np = get_numexpr(sb, buf, &type, &lv, &dv);
if (type == 1 && *np == '\0') {
v_setint(var, lv);
} else if (type == 2 && *np == '\0') {
v_setreal(var, dv);
} else {
v_setstr(var, str);
}
free(sb);
}
}
// assign error to variable or match with next expression
int err_throw_catch(const char *err) {
var_t *arg;
var_t v_catch;
int caught = 1;
switch (code_peek()) {
case kwTYPE_VAR:
arg = code_getvarptr();
v_setstr(arg, err);
break;
case kwTYPE_STR:
v_init(&v_catch);
eval(&v_catch);
// catch is conditional on matching error
caught = (v_catch.type == V_STR && strstr(err, v_catch.v.p.ptr) != NULL);
v_free(&v_catch);
break;
case kwTYPE_EOC:
case kwTYPE_LINE:
break;
default:
rt_raise(ERR_INVALID_CATCH);
break;
}
return caught;
}
/*
* execute the 'index' procedure
*/
int sblib_proc_exec(int index, int param_count, slib_par_t *params, var_t *retval)
{
int success = 0;
int handle;
switch ( index ) {
case 0: // GDBM_CLOSE handle
success = mod_parint(0, params, param_count, &handle);
if ( success ) {
if ( is_valid_handle(handle) ) {
gdbm_close(table[handle].dbf);
table[handle].dbf = NULL;
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_CLOSE: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_CLOSE: argument error");
break;
case 1: // GDBM_SYNC handle
success = mod_parint(0, params, param_count, &handle);
if ( success ) {
if ( is_valid_handle(handle) ) {
gdbm_sync(table[handle].dbf);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_SYNC: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_SYNC: argument error");
break;
default:
v_setstr(retval, "GDBM: procedure does not exist!");
}
return success;
}
/*
* set the value of 'var' to 'itable' string array
*/
void v_setstrarray(var_t *var, char **ctable, int count) {
int i;
var_t *elem_p;
v_toarray1(var, count);
for (i = 0; i < count; i++) {
elem_p = (var_t *)(var->v.a.ptr + sizeof(var_t) * i);
v_setstr(elem_p, ctable[i]);
}
}
/*
*set the value of 'var' to string
*/
void v_setstrf(var_t *var, const char *fmt, ...) {
char *buf;
va_list ap;
va_start(ap, fmt);
buf = tmp_alloc(1024);
vsnprintf(buf, 1024, fmt, ap);
v_setstr(var, buf);
tmp_free(buf);
va_end(ap);
}
/*
* set the value of 'var' to string
*/
void v_setstrf(var_t *var, const char *fmt, ...) {
char *buf;
va_list ap;
va_start(ap, fmt);
#if defined(OS_LIMITED)
buf = tmp_alloc(1024);
#else
buf = tmp_alloc(0x10000);
#endif
vsnprintf(buf, 1024, fmt, ap);
v_setstr(var, buf);
tmp_free(buf);
va_end(ap);
}
/*
* execute the 'index' function
*/
int sblib_func_exec(int index, int param_count, slib_par_t *params, var_t *retval)
{
int success = 0;
switch ( index ) {
case 0: // handle <- GDBM_OPEN(file[, block_size, flags, mode])
{
char *file;
int bsize, flags, mode;
success = mod_parstr_ptr(0, params, param_count, &file);
success = mod_opt_parint(1, params, param_count, &bsize, 0);
success = mod_opt_parint(2, params, param_count, &flags, GDBM_WRCREAT);
success = mod_opt_parint(3, params, param_count, &mode, 0666);
if ( success ) {
int handle;
handle = get_free_handle();
if ( handle >= 0 ) {
table[handle].dbf = gdbm_open(file, bsize, flags, mode, NULL);
success = (table[handle].dbf != NULL);
if ( success )
v_setint(retval, handle);
else
v_setstr(retval, gdbm_strerror(gdbm_errno));
}
else {
success = 0;
v_setstr(retval, "GDBM_OPEN: NO FREE HANDLES");
}
}
else
v_setstr(retval, "GDBM_OPEN: argument error");
}
break;
case 1: // handle <- GDBM_STORE(handle, key, data [, flags])
{
int handle, flags;
char *key, *data;
success = mod_parint (0, params, param_count, &handle);
success = mod_parstr_ptr(1, params, param_count, &key);
success = mod_parstr_ptr(2, params, param_count, &data);
success = mod_opt_parint(3, params, param_count, &flags, GDBM_REPLACE);
if ( success ) {
if ( is_valid_handle(handle) ) {
datum dt_key, dt_data;
int r;
dt_key.dptr = key;
dt_key.dsize = strlen(key) + 1;
dt_data.dptr = data;
dt_data.dsize = strlen(data) + 1;
r = gdbm_store(table[handle].dbf, dt_key, dt_data, flags);
v_setint(retval, r);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_STORE: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_STORE: argument error");
}
break;
case 2: // data <- GDBM_FETCH(handle, key)
{
int handle;
char *key;
success = mod_parint (0, params, param_count, &handle);
success = mod_parstr_ptr(1, params, param_count, &key);
if ( success ) {
if ( is_valid_handle(handle) ) {
datum dt_key, dt_data;
dt_key.dptr = key;
dt_key.dsize = strlen(key) + 1;
dt_data = gdbm_fetch(table[handle].dbf, dt_key);
v_setstr(retval, (char *) dt_data.dptr);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_FETCH: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_FETCH: argument error");
}
break;
case 3: // status <- GDBM_DELETE(handle, key)
{
int handle;
char *key;
success = mod_parint (0, params, param_count, &handle);
success = mod_parstr_ptr(1, params, param_count, &key);
if ( success ) {
if ( is_valid_handle(handle) ) {
datum dt_key;
int r;
dt_key.dptr = key;
dt_key.dsize = strlen(key) + 1;
r = gdbm_delete(table[handle].dbf, dt_key);
v_setint(retval, r);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_DELETE: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_DELETE: argument error");
}
break;
case 4: // key <- GDBM_FIRSTKEY(handle)
{
int handle;
success = mod_parint (0, params, param_count, &handle);
if ( success ) {
if ( is_valid_handle(handle) ) {
datum dt_key;
dt_key = gdbm_firstkey(table[handle].dbf);
v_setstr(retval, (char *) dt_key.dptr);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_FIRSTKEY: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_FIRSTKEY: argument error");
}
break;
case 5: // key <- GDBM_NEXTKEY(handle, key)
{
int handle;
char *key;
success = mod_parint (0, params, param_count, &handle);
success = mod_parstr_ptr(1, params, param_count, &key);
if ( success ) {
if ( is_valid_handle(handle) ) {
datum dt_key;
dt_key.dptr = key;
dt_key.dsize = strlen(key) + 1;
dt_key = gdbm_nextkey(table[handle].dbf, dt_key);
v_setstr(retval, (char *) dt_key.dptr);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_NEXTKEY: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_NEXTKEY: argument error");
}
break;
case 6: // status <- GDBM_REORGANIZE(handle)
{
int handle;
success = mod_parint (0, params, param_count, &handle);
if ( success ) {
if ( is_valid_handle(handle) ) {
int r;
r = gdbm_reorganize(table[handle].dbf);
v_setint(retval, r);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_REORGANIZE: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_REORGANIZE: argument error");
}
break;
case 7: // status <- GDBM_EXISTS(handle, key)
{
int handle;
char *key;
success = mod_parint (0, params, param_count, &handle);
success = mod_parstr_ptr(1, params, param_count, &key);
if ( success ) {
if ( is_valid_handle(handle) ) {
datum dt_key;
int r;
dt_key.dptr = key;
dt_key.dsize = strlen(key) + 1;
r = gdbm_exists(table[handle].dbf, dt_key);
v_setint(retval, r);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_EXISTS: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_EXISTS: argument error");
}
break;
case 8: // str <- GDBM_STRERROR()
v_setstr(retval, gdbm_strerror(gdbm_errno));
break;
case 9: // status <- GDBM_SETOPT(handle, option, value, size)
{
int handle, option, value, size;
success = mod_parint (0, params, param_count, &handle);
success = mod_parint (1, params, param_count, &option);
success = mod_parint (2, params, param_count, &value);
success = mod_parint (3, params, param_count, &size);
if ( success ) {
if ( is_valid_handle(handle) ) {
int r;
r = gdbm_setopt(table[handle].dbf, option, &value, size);
v_setint(retval, r);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_SETOPT: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_SETOPT: argument error");
}
break;
case 10: // status <- GDBM_FDESC(handle)
{
int handle;
success = mod_parint (0, params, param_count, &handle);
if ( success ) {
if ( is_valid_handle(handle) ) {
int r;
r = gdbm_fdesc(table[handle].dbf);
v_setint(retval, r);
success = 1;
}
else {
success = 0;
v_setstr(retval, "GDBM_FDESC: INVALID HANDLE");
}
}
else
v_setstr(retval, "GDBM_FDESC: argument error");
}
break;
default:
v_setstr(retval, "GDBM: function does not exist!");
}
return success;
}