1 files changed, 58 insertions, 12 deletions

diff --git a/crypto/err/err_prn.c b/crypto/err/err_prn.c
index 2224a901e5..4cdf342fa6 100644
--- a/crypto/err/err_prn.c
+++ b/crypto/err/err_prn.c
@@ -86,12 +86,7 @@ void ERR_print_errors_cb(int (*cb)(const char *str, size_t len, void *u),
 #ifndef OPENSSL_NO_FP_API
 static int print_fp(const char *str, size_t len, void *fp)
 	{
-	BIO bio;
-
-	BIO_set(&bio,BIO_s_file());
-	BIO_set_fp(&bio,fp,BIO_NOCLOSE);
-
-	return BIO_printf(&bio, "%s", str);
+	return fwrite(str, 1, len, fp);
 	}
 void ERR_print_errors_fp(FILE *fp)
 	{
@@ -99,13 +94,64 @@ void ERR_print_errors_fp(FILE *fp)
 	}
 #endif
 
-static int print_bio(const char *str, size_t len, void *bp)
+void ERR_error_string_n(unsigned long e, char *buf, size_t len)
 	{
-	return BIO_write((BIO *)bp, str, len);
+	char lsbuf[64], fsbuf[64], rsbuf[64];
+	const char *ls,*fs,*rs;
+	unsigned long l,f,r;
+
+	l=ERR_GET_LIB(e);
+	f=ERR_GET_FUNC(e);
+	r=ERR_GET_REASON(e);
+
+	ls=ERR_lib_error_string(e);
+	fs=ERR_func_error_string(e);
+	rs=ERR_reason_error_string(e);
+
+	if (ls == NULL) 
+		BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l);
+	if (fs == NULL)
+		BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f);
+	if (rs == NULL)
+		BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r);
+
+	BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, 
+		fs?fs:fsbuf, rs?rs:rsbuf);
+	if (strlen(buf) == len-1)
+		{
+		/* output may be truncated; make sure we always have 5 
+		 * colon-separated fields, i.e. 4 colons ... */
+#define NUM_COLONS 4
+		if (len > NUM_COLONS) /* ... if possible */
+			{
+			int i;
+			char *s = buf;
+			
+			for (i = 0; i < NUM_COLONS; i++)
+				{
+				char *colon = strchr(s, ':');
+				if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i)
+					{
+					/* set colon no. i at last possible position
+					 * (buf[len-1] is the terminating 0)*/
+					colon = &buf[len-1] - NUM_COLONS + i;
+					*colon = ':';
+					}
+				s = colon + 1;
+				}
+			}
+		}
 	}
-void ERR_print_errors(BIO *bp)
+
+/* BAD for multi-threading: uses a local buffer if ret == NULL */
+/* ERR_error_string_n should be used instead for ret != NULL
+ * as ERR_error_string cannot know how large the buffer is */
+char *ERR_error_string(unsigned long e, char *ret)
 	{
-	ERR_print_errors_cb(print_bio, bp);
-	}
+	static char buf[256];
+
+	if (ret == NULL) ret=buf;
+	ERR_error_string_n(e, ret, 256);
 
-	
+	return ret;
+	}