- if ((n = NUM_EXT_NAMES(tp)) != 0) {
- unsigned length = 0;
- for (i = 0; i < n; i++) {
- length += strlen(tp->ext_Names[i]) + 1;
- offsets[i] = tp->ext_Names[i] - stringbuf;
- }
- if ((tp->ext_str_table = typeMalloc(char, length)) == 0)
- _nc_err_abort(MSG_NO_MEMORY);
- for (i = 0, length = 0; i < n; i++) {
- tp->ext_Names[i] = tp->ext_str_table + length;
- strcpy(tp->ext_Names[i], stringbuf + offsets[i]);
- length += strlen(tp->ext_Names[i]) + 1;
+ if ((n = (unsigned) NUM_EXT_NAMES(tp)) != 0) {
+ if (n < SIZEOF(offsets)) {
+ unsigned length = 0;
+ for (i = 0; i < n; i++) {
+ length += strlen(tp->ext_Names[i]) + 1;
+ offsets[i] = tp->ext_Names[i] - stringbuf;
+ }
+ if ((tp->ext_str_table = typeMalloc(char, length)) == 0)
+ _nc_err_abort(MSG_NO_MEMORY);
+ for (i = 0, length = 0; i < n; i++) {
+ tp->ext_Names[i] = tp->ext_str_table + length;
+ strcpy(tp->ext_Names[i], stringbuf + offsets[i]);
+ length += strlen(tp->ext_Names[i]) + 1;
+ }