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Code Issues 1 Releases Wiki Activity

Remove array_init and array_deinit

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These functions made it very easy to create memory
leaks, and are better replaced with functions in vector.h or
simply using non-stack allocated arrays.
This commit is contained in:
Calvin Rose
2019-06-05 16:19:51 -04:00
parent b082c8123e
commit efb2ab06cb
4 changed files with 17 additions and 32 deletions
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src/core/marsh.c
+13 -17
View File
@@ -535,7 +535,6 @@ void janet_marshal(
st.rreg = rreg;
janet_table_init(&st.seen, 0);
marshal_one(&st, x, flags);
/* Clean up. See comment in janet_unmarshal about autoreleasing memory on panics.*/
janet_table_deinit(&st.seen);
janet_v_free(st.seen_envs);
janet_v_free(st.seen_defs);
@@ -543,7 +542,7 @@ void janet_marshal(
typedef struct {
jmp_buf err;
JanetArray lookup;
Janet *lookup;
JanetTable *reg;
JanetFuncEnv **lookup_envs;
JanetFuncDef **lookup_defs;
@@ -849,7 +848,7 @@ static const uint8_t *unmarshal_one_fiber(
fiber->env = NULL;
/* Push fiber to seen stack */
janet_array_push(&st->lookup, janet_wrap_fiber(fiber));
janet_v_push(st->lookup, janet_wrap_fiber(fiber));
/* Set frame later so fiber can be GCed at anytime if unmarshalling fails */
int32_t frame = 0;
@@ -1071,7 +1070,7 @@ static const uint8_t *unmarshal_one(
memcpy(&u.bytes, data + 1, sizeof(double));
#endif
*out = janet_wrap_number(u.d);
janet_array_push(&st->lookup, *out);
janet_v_push(st->lookup, *out);
return data + 9;
}
case LB_STRING:
@@ -1104,7 +1103,7 @@ static const uint8_t *unmarshal_one(
memcpy(buffer->data, data, len);
*out = janet_wrap_buffer(buffer);
}
janet_array_push(&st->lookup, *out);
janet_v_push(st->lookup, *out);
return data + len;
}
case LB_FIBER: {
@@ -1121,7 +1120,7 @@ static const uint8_t *unmarshal_one(
def->environments_length * sizeof(JanetFuncEnv));
func->def = def;
*out = janet_wrap_function(func);
janet_array_push(&st->lookup, *out);
janet_v_push(st->lookup, *out);
for (int32_t i = 0; i < def->environments_length; i++) {
data = unmarshal_one_env(st, data, &(func->envs[i]), flags + 1);
}
@@ -1146,7 +1145,7 @@ static const uint8_t *unmarshal_one(
JanetArray *array = janet_array(len);
array->count = len;
*out = janet_wrap_array(array);
janet_array_push(&st->lookup, *out);
janet_v_push(st->lookup, *out);
for (int32_t i = 0; i < len; i++) {
data = unmarshal_one(st, data, array->data + i, flags + 1);
}
@@ -1159,7 +1158,7 @@ static const uint8_t *unmarshal_one(
data = unmarshal_one(st, data, tup + i, flags + 1);
}
*out = janet_wrap_tuple(janet_tuple_end(tup));
janet_array_push(&st->lookup, *out);
janet_v_push(st->lookup, *out);
} else if (lead == LB_STRUCT) {
/* Struct */
JanetKV *struct_ = janet_struct_begin(len);
@@ -1170,16 +1169,16 @@ static const uint8_t *unmarshal_one(
janet_struct_put(struct_, key, value);
}
*out = janet_wrap_struct(janet_struct_end(struct_));
janet_array_push(&st->lookup, *out);
janet_v_push(st->lookup, *out);
} else if (lead == LB_REFERENCE) {
if (len < 0 || len >= st->lookup.count)
if (len < 0 || len >= janet_v_count(st->lookup))
janet_panicf("invalid reference %d", len);
*out = st->lookup.data[len];
*out = st->lookup[len];
} else {
/* Table */
JanetTable *t = janet_table(len);
*out = janet_wrap_table(t);
janet_array_push(&st->lookup, *out);
janet_v_push(st->lookup, *out);
if (lead == LB_TABLE_PROTO) {
Janet proto;
data = unmarshal_one(st, data, &proto, flags + 1);
@@ -1216,17 +1215,14 @@ Janet janet_unmarshal(
st.end = bytes + len;
st.lookup_defs = NULL;
st.lookup_envs = NULL;
st.lookup = NULL;
st.reg = reg;
janet_array_init(&st.lookup, 0);
Janet out;
const uint8_t *nextbytes = unmarshal_one(&st, bytes, &out, flags);
if (next) *next = nextbytes;
/* Clean up - this should be auto released on panics, TODO. We should
* change the vector implementation to track allocations for auto release, and
* make st.lookup auto release as well, or move to heap. */
janet_array_deinit(&st.lookup);
janet_v_free(st.lookup_defs);
janet_v_free(st.lookup_envs);
janet_v_free(st.lookup);
return out;
}