Provide documentation for i2d_ECPrivateKey and d2i_ECPrivateKey

[openssl.git] / doc / crypto / ERR_get_error.pod

diff --git a/doc/crypto/ERR_get_error.pod b/doc/crypto/ERR_get_error.pod
index 3551bacb8dea27201ef7383c8a9c13c7ca9ab479..01e196c95fda672fd384a4309af0d81ec89d3108 100644 (file)
--- a/doc/crypto/ERR_get_error.pod
+++ b/doc/crypto/ERR_get_error.pod
@@ -2,8 +2,10 @@
 
 =head1 NAME
 
-ERR_get_error, ERR_peek_error, ERR_get_error_line, ERR_peek_error_line,
-ERR_get_error_line_data, ERR_peek_error_line_data - obtain error code and data
+ERR_get_error, ERR_peek_error, ERR_peek_last_error,
+ERR_get_error_line, ERR_peek_error_line, ERR_peek_last_error_line,
+ERR_get_error_line_data, ERR_peek_error_line_data,
+ERR_peek_last_error_line_data - obtain error code and data
 
 =head1 SYNOPSIS
 
@@ -11,22 +13,29 @@ ERR_get_error_line_data, ERR_peek_error_line_data - obtain error code and data
 
  unsigned long ERR_get_error(void);
  unsigned long ERR_peek_error(void);
+ unsigned long ERR_peek_last_error(void);
 
  unsigned long ERR_get_error_line(const char **file, int *line);
  unsigned long ERR_peek_error_line(const char **file, int *line);
+ unsigned long ERR_peek_last_error_line(const char **file, int *line);
 
  unsigned long ERR_get_error_line_data(const char **file, int *line,
          const char **data, int *flags);
  unsigned long ERR_peek_error_line_data(const char **file, int *line,
          const char **data, int *flags);
+ unsigned long ERR_peek_last_error_line_data(const char **file, int *line,
+         const char **data, int *flags);
 
 =head1 DESCRIPTION
 
-ERR_get_error() returns the last error code from the thread's error
+ERR_get_error() returns the earliest error code from the thread's error
 queue and removes the entry. This function can be called repeatedly
 until there are no more error codes to return.
 
-ERR_peek_error() returns the last error code from the thread's
+ERR_peek_error() returns the earliest error code from the thread's
+error queue without modifying it.
+
+ERR_peek_last_error() returns the latest error code from the thread's
 error queue without modifying it.
 
 See L<ERR_GET_LIB(3)|ERR_GET_LIB(3)> for obtaining information about
@@ -34,15 +43,20 @@ location and reason of the error, and
 L<ERR_error_string(3)|ERR_error_string(3)> for human-readable error
 messages.
 
-ERR_get_error_line() and ERR_peek_error_line() are the same as the
-above, but they additionally store the file name and line number where
+ERR_get_error_line(), ERR_peek_error_line() and
+ERR_peek_last_error_line() are the same as the above, but they
+additionally store the file name and line number where
 the error occurred in *B<file> and *B<line>, unless these are B<NULL>.
 
-ERR_get_error_line_data() and ERR_peek_error_line_data() store
-additional data and flags associated with the error code in *B<data>
+ERR_get_error_line_data(), ERR_peek_error_line_data() and
+ERR_peek_last_error_line_data() store additional data and flags
+associated with the error code in *B<data>
 and *B<flags>, unless these are B<NULL>. *B<data> contains a string
-if *B<flags>&B<ERR_TXT_STRING>. If it has been allocated by OPENSSL_malloc(),
-*B<flags>&B<ERR_TXT_MALLOCED> is true.
+if *B<flags>&B<ERR_TXT_STRING> is true.
+
+An application B<MUST NOT> free the *B<data> pointer (or any other pointers
+returned by these functions) with OPENSSL_free() as freeing is handled
+automatically by the error library.
 
 =head1 RETURN VALUES
 
@@ -59,5 +73,7 @@ ERR_get_error(), ERR_peek_error(), ERR_get_error_line() and
 ERR_peek_error_line() are available in all versions of SSLeay and
 OpenSSL. ERR_get_error_line_data() and ERR_peek_error_line_data()
 were added in SSLeay 0.9.0.
+ERR_peek_last_error(), ERR_peek_last_error_line() and
+ERR_peek_last_error_line_data() were added in OpenSSL 0.9.7.
 
 =cut