iirfilt: using proper error handling when filter design fails

jgaeddert · Feb 1, 2025 · 5731b10 · 5731b10
1 parent abff241
commit 5731b10
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/filter/src/iirfilt.proto.c b/src/filter/src/iirfilt.proto.c
@@ -238,9 +238,8 @@ IIRFILT() IIRFILT(_create_prototype)(liquid_iirdes_filtertype _ftype,
     float A[h_len];
 
     // design filter (compute coefficients)
-    int err = liquid_iirdes(_ftype, _btype, _format, _order, _fc, _f0, _ap, _as, B, A);
-    if (err != LIQUID_OK)
-        return NULL;
+    if (liquid_iirdes(_ftype, _btype, _format, _order, _fc, _f0, _ap, _as, B, A) != LIQUID_OK)
+        return liquid_error_config("iirfilt_%s_create_prototype(), could not design filter", EXTENSION_FULL);
 
     // move coefficients to type-specific arrays (e.g. float complex)
     TC Bc[h_len];