Initial commit of files

include/asn1common.h

@@ -0,0 +1,77 @@
+#ifndef __ASN1COMMON_INCLUDE__
+#define __ASN1COMMON_INCLUDE__
+
+/******************************************************************************
+ * includes
+ *****************************************************************************/
+
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <memory.h>
+
+#include "embtypes.h"
+
+/******************************************************************************
+ * defines
+ *****************************************************************************/
+
+#define ASN1_UPER_ALIGNED 0
+#define ASN1_APER_ALIGNED 1
+#define ASN1_OER_ALIGNED 2
+
+#define asn1_get_error(S) ((S)->error)
+
+#define asn1_get_bits_consumed(O) ((O)->consumed)
+#define asn1_get_bytes_consumed(O) ((O)->consumed?(((O)->consumed-1)/8+1):0)
+
+#define asn1_init_extension(E)  memset((E),0,sizeof(ASN1_Extension))
+#define asn1_init_bitstream(E)  memset((E),0,sizeof(ASN1_BitStream))
+
+/******************************************************************************
+ * structs & typedefs
+ *****************************************************************************/
+
+typedef struct _asn1_stream {
+  uint8_t  *buf;    // pointer to first byte
+  uint8_t  *ptr;    // pointer to current byte
+  uint8_t  alloc;   // set if alloc'd
+  uint8_t  align;   // alignment
+  uint8_t  error;   // set if error
+  uint16_t bit;     // current bit in byte
+  uint16_t max;     // maximum bits
+  uint16_t consumed;// bits consumed
+} ASN1_Stream;
+
+typedef struct _asn1_bitstream {
+  uint64_t value;   // value
+  uint16_t max;     // maximum bits
+} ASN1_BitStream;
+
+typedef struct _asn1_extension {
+  uint64_t value;       // extension+option bits
+  uint8_t  ellipses;    // 0 or 1
+  uint8_t  options;     // # options
+  uint16_t length;      // length of extension
+} ASN1_Extension;
+
+/******************************************************************************
+ * function prototypes
+ *****************************************************************************/
+/* export C functions to C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void asn1_set_debug(uint8_t flag);
+extern uint8_t _asn1_debug_on_;
+
+
+#ifdef __cplusplus
+}
+#endif
+/******************************************************************************
+ * Macros
+ * ***************************************************************************/
+
+#endif