[BUG] Unchecked strdup return values in hardsubx.c

[Anayo-Anyafulu]

Summary

In init_hardsubx() in src/lib_ccx/hardsubx.c, strdup() is called twice on lines 235-236 without checking for NULL. If memory allocation fails, subsequent use of these pointers could lead to undefined behavior.

Code

Line 235: char *pars_vec = strdup("debug_file");
Line 236: char *pars_values = strdup("/dev/null");

Suggested Fix

Add NULL checks for both strdup calls and free already allocated resources before returning NULL or calling fatal().

[SuvidhJ]

This issue has been solved in the PR #2162. Kindly review the changes once

[cfsmp3]

Issues are for user problems, please don't fill our issue list with small bugs no one has experienced.