_asn1_str_cat (name, name_size, ".");
_asn1_str_cat (name, name_size, tmp_name);
}
- p = _asn1_find_up (p);
+ p = _asn1_get_up (p);
}
if (name[0] == 0)
/* VALUE_OUT is too short to contain the value conversion */
return ASN1_MEM_ERROR;
- for (k2 = k; k2 < SIZEOF_UNSIGNED_LONG_INT; k2++)
- value_out[k2 - k] = val[k2];
+ if (value_out != NULL)
+ {
+ for (k2 = k; k2 < SIZEOF_UNSIGNED_LONG_INT; k2++)
+ value_out[k2 - k] = val[k2];
+ }
#if 0
printf ("_asn1_convert_integer: valueIn=%s, lenOut=%d", value, *len);
_asn1_append_sequence_set (asn1_node node)
{
asn1_node p, p2;
- char temp[10];
+ char temp[LTOSTR_MAX_SIZE];
long n;
if (!node || !(node->down))
}
#define ADD_STR_VALUE( ptr, ptr_size, data) \
- *len = (int) _asn1_strlen (data) + 1; \
- if (ptr_size < (int) _asn1_strlen (ptr) + (*len)) { \
- return ASN1_MEM_ERROR; \
- } else { \
- /* this strcat is checked */ \
- if (ptr) _asn1_strcat (ptr, data); \
- }
+ *len += _asn1_strlen(data); \
+ if (ptr_size < (int) *len) { \
+ (*len)++; \
+ return ASN1_MEM_ERROR; \
+ } else { \
+ /* this strcat is checked */ \
+ if (ptr) _asn1_strcat (ptr, data); \
+ }
/**
* asn1_read_value:
* @root: pointer to a structure.
* @name: the name of the element inside a structure that you want to read.
* @ivalue: vector that will contain the element's content, must be a
- * pointer to memory cells already allocated.
+ * pointer to memory cells already allocated (may be %NULL).
* @len: number of bytes of *value: value[0]..value[len-1]. Initialy
* holds the sizeof value.
*
- * Returns the value of one element inside a structure.
- *
- * If an element is OPTIONAL and the function "read_value" returns
+ * Returns the value of one element inside a structure.
+ * If an element is OPTIONAL and this returns
* %ASN1_ELEMENT_NOT_FOUND, it means that this element wasn't present
* in the der encoding that created the structure. The first element
* of a SEQUENCE_OF or SET_OF is named "?1". The second one "?2" and
* so on.
*
+ * Note that there can be valid values with length zero. In these case
+ * this function will succeed and @len will be zero.
+ *
* INTEGER: VALUE will contain a two's complement form integer.
*
* integer=-1 -> value[0]=0xFF , len=1.
* @root: pointer to a structure.
* @name: the name of the element inside a structure that you want to read.
* @ivalue: vector that will contain the element's content, must be a
- * pointer to memory cells already allocated.
+ * pointer to memory cells already allocated (may be %NULL).
* @len: number of bytes of *value: value[0]..value[len-1]. Initialy
* holds the sizeof value.
* @etype: The type of the value read (ASN1_ETYPE)
*
- * Returns the value of one element inside a structure.
- *
- * If an element is OPTIONAL and the function "read_value" returns
+ * Returns the value of one element inside a structure.
+ * If an element is OPTIONAL and this returns
* %ASN1_ELEMENT_NOT_FOUND, it means that this element wasn't present
* in the der encoding that created the structure. The first element
* of a SEQUENCE_OF or SET_OF is named "?1". The second one "?2" and
* so on.
*
+ * Note that there can be valid values with length zero. In these case
+ * this function will succeed and @len will be zero.
+ *
+ *
* INTEGER: VALUE will contain a two's complement form integer.
*
* integer=-1 -> value[0]=0xFF , len=1.
case ASN1_ETYPE_OBJECT_ID:
if (node->type & CONST_ASSIGN)
{
+ *len = 0;
if (value)
value[0] = 0;
p = node->down;
}
p = p->right;
}
- *len = _asn1_strlen (value) + 1;
+ (*len)++;
}
else if ((node->type & CONST_DEFAULT) && (node->value == NULL))
{