Fix longjmp being invoked with a 0 arg

wasix-org · Mar 18, 2024 · e61b03c · e61b03c
1 parent 5fbfe54
commit e61b03c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/libc-bottom-half/sources/__wasilibc_stack.c b/libc-bottom-half/sources/__wasilibc_stack.c
@@ -97,5 +97,8 @@ int __wasilibc_setjmp(__wasi_stack_snapshot_t * buf) {
 }
 
 _Noreturn void __wasilibc_longjmp(__wasi_stack_snapshot_t * buf, int val) {
+  if (val == 0) {
+    val = 1;
+  }
   __wasi_stack_restore(buf, (uint64_t)val);
 }