Revert previous commit, restoring the memcpy() call.

The reported issue was due to an error in their test code, not in inflate. This use of memcpy() in inflate is correct.
madler · Feb 2, 2025 · ed16107 · ed16107
1 parent ab0266a
commit ed16107
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/inflate.c b/inflate.c
@@ -884,12 +884,12 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
                 if (copy > have) copy = have;
                 if (copy > left) copy = left;
                 if (copy == 0) goto inf_leave;
+                zmemcpy(put, next, copy);
                 have -= copy;
+                next += copy;
                 left -= copy;
+                put += copy;
                 state->length -= copy;
-                do {
-                    *put++ = *next++;
-                } while (--copy);
                 break;
             }
             Tracev((stderr, "inflate:       stored end\n"));