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Diffstat (limited to 'ext/digest/digest.c')
-rw-r--r--ext/digest/digest.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/ext/digest/digest.c b/ext/digest/digest.c
index f1592f4..2231452 100644
--- a/ext/digest/digest.c
+++ b/ext/digest/digest.c
@@ -521,7 +521,7 @@ get_digest_base_metadata(VALUE klass)
Data_Get_Struct(obj, rb_digest_metadata_t, algo);
switch (algo->api_version) {
- case 2:
+ case 3:
break;
/*
@@ -535,6 +535,14 @@ get_digest_base_metadata(VALUE klass)
return algo;
}
+static inline void
+algo_init(const rb_digest_metadata_t *algo, void *pctx)
+{
+ if (algo->init_func(pctx) != 1) {
+ rb_raise(rb_eRuntimeError, "Digest initialization failed.");
+ }
+}
+
static VALUE
rb_digest_base_alloc(VALUE klass)
{
@@ -549,7 +557,7 @@ rb_digest_base_alloc(VALUE klass)
algo = get_digest_base_metadata(klass);
pctx = xmalloc(algo->ctx_size);
- algo->init_func(pctx);
+ algo_init(algo, pctx);
obj = Data_Wrap_Struct(klass, 0, xfree, pctx);
@@ -587,7 +595,7 @@ rb_digest_base_reset(VALUE self)
Data_Get_Struct(self, void, pctx);
- algo->init_func(pctx);
+ algo_init(algo, pctx);
return self;
}
@@ -625,7 +633,7 @@ rb_digest_base_finish(VALUE self)
algo->finish_func(pctx, (unsigned char *)RSTRING_PTR(str));
/* avoid potential coredump caused by use of a finished context */
- algo->init_func(pctx);
+ algo_init(algo, pctx);
return str;
}