Re-add obsolete stuff for compatibility.

2 files changed, 73 insertions, 1 deletions

diff --git a/lib/errors.c b/lib/errors.c
index e893076..1e46c8c 100644
--- a/lib/errors.c
+++ b/lib/errors.c
@@ -99,3 +99,42 @@ asn1_strerror (asn1_retCode error)
 
   return NULL;
 }
+
+#ifndef ASN1_DISABLE_DEPRECATED
+
+/* Compatibility mappings to preserve ABI. */
+
+/**
+ * libtasn1_perror - prints a string to stderr with a description of an error
+ * @error: is an error returned by a libtasn1 function.
+ *
+ * This function is like perror(). The only difference is that it
+ * accepts an error returned by a libtasn1 function.
+ *
+ * Deprecated: Use asn1_perror() instead.
+ **/
+void
+libtasn1_perror (asn1_retCode error)
+{
+  asn1_perror (error);
+}
+
+/**
+ * libtasn1_strerror - Returns a string with a description of an error
+ * @error: is an error returned by a libtasn1 function.
+ *
+ * This function is similar to strerror(). The only difference is
+ * that it accepts an error (number) returned by a libtasn1 function.
+ *
+ * Returns: Pointer to static zero-terminated string describing error
+ *   code.
+ *
+ * Deprecated: Use asn1_strerror() instead.
+ **/
+const char *
+libtasn1_strerror (asn1_retCode error)
+{
+  return asn1_strerror (error);
+}
+
+#endif
diff --git a/lib/libtasn1.h b/lib/libtasn1.h
index ae523e2..f6236d2 100644
--- a/lib/libtasn1.h
+++ b/lib/libtasn1.h
@@ -125,7 +125,9 @@ extern "C"
   };
 #endif
 
-  typedef struct node_asn_struct *ASN1_TYPE;
+  typedef struct node_asn_struct node_asn;
+
+  typedef node_asn *ASN1_TYPE;
 
 #define ASN1_TYPE_EMPTY  NULL
 
@@ -262,6 +264,37 @@ extern "C"
   asn1_retCode asn1_copy_node (ASN1_TYPE dst, const char *dst_name,
 			       ASN1_TYPE src, const char *src_name) ASN1_API;
 
+  /* Deprecated stuff. */
+
+#ifndef ASN1_DISABLE_DEPRECATED
+
+#define LIBTASN1_VERSION ASN1_VERSION
+
+#ifndef MAX_NAME_SIZE
+# define MAX_NAME_SIZE ASN1_MAX_NAME_SIZE
+#endif
+
+#ifndef MAX_ERROR_DESCRIPTION_SIZE
+# define MAX_ERROR_DESCRIPTION_SIZE ASN1_MAX_ERROR_DESCRIPTION_SIZE
+#endif
+
+#ifndef __attribute__
+  /* This feature is available in gcc versions 2.5 and later.  */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
+#  define __attribute__(Spec)	/* empty */
+# endif
+#endif
+
+  /* Use asn1_strerror instead. */
+  const char *libtasn1_strerror (asn1_retCode error)
+    __attribute__ ((deprecated));
+
+  /* Use asn1_perror instead. */
+  void libtasn1_perror (asn1_retCode error)
+    __attribute__ ((deprecated));
+
+#endif
+
 #ifdef __cplusplus
 }
 #endif