From 28ea43ab35143f38cf11e84e5ed0dfe942092ca4 Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Tue, 26 Feb 2019 13:01:53 +1100
Subject: [PATCH] Handle EDQUOT and ENOSPC errors

(cherry picked from commit 435ae2f29a87034ddcaa6abb2dcca47e024aa62f)
---
 CHANGES                      | 3 +++
 lib/isc/include/isc/result.h | 6 +++++-
 lib/isc/result.c             | 8 ++++++++
 lib/isc/unix/errno2result.c  | 6 ++++++
 lib/isc/win32/errno2result.c | 2 ++
 5 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index 3a82ed2b42..5d6759b103 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+5178.	[bug]		Handle EDQUOT (disk quota) and ENOSPC (disk full)
+			errors when writing files. [GL #902]
+
 5176.	[tests]		Remove a dependency on libxml in statschannel system
 			test. [GL #926]
 
diff --git a/lib/isc/include/isc/result.h b/lib/isc/include/isc/result.h
index 246aefba51..0fd4971d8b 100644
--- a/lib/isc/include/isc/result.h
+++ b/lib/isc/include/isc/result.h
@@ -83,9 +83,13 @@
 #define ISC_R_UNSET			61	/*%< unset */
 #define ISC_R_MULTIPLE			62	/*%< multiple */
 #define ISC_R_WOULDBLOCK		63	/*%< would block */
+#define ISC_R_COMPLETE			64	/*%< complete */
+#define ISC_R_CRYPTOFAILURE		65	/*%< cryptography library failure */
+#define ISC_R_DISCQUOTA			66	/*%< disc quota */
+#define ISC_R_DISCFULL			67	/*%< disc full */
 
 /*% Not a result code: the number of results. */
-#define ISC_R_NRESULTS 			64
+#define ISC_R_NRESULTS 			68
 
 ISC_LANG_BEGINDECLS
 
diff --git a/lib/isc/result.c b/lib/isc/result.c
index a707c32a28..abb6ed26a6 100644
--- a/lib/isc/result.c
+++ b/lib/isc/result.c
@@ -99,6 +99,10 @@ static const char *description[ISC_R_NRESULTS] = {
 	"unset",				/*%< 61 */
 	"multiple",				/*%< 62 */
 	"would block",				/*%< 63 */
+	"complete",				/*%< 64 */
+	"crypto failure",			/*%< 65 */
+	"disc quota",				/*%< 66 */
+	"disc full",				/*%< 67 */
 };
 
 static const char *identifier[ISC_R_NRESULTS] = {
@@ -166,6 +170,10 @@ static const char *identifier[ISC_R_NRESULTS] = {
 	"ISC_R_UNSET",
 	"ISC_R_MULTIPLE",
 	"ISC_R_WOULDBLOCK",
+	"ISC_R_COMPLETE",
+	"ISC_R_CRYPTOFAILURE",
+	"ISC_R_DISCQUOTA",
+	"ISC_R_DISCFULL",
 };
 
 #define ISC_RESULT_RESULTSET			2
diff --git a/lib/isc/unix/errno2result.c b/lib/isc/unix/errno2result.c
index 2f12bcc8bc..32502e046c 100644
--- a/lib/isc/unix/errno2result.c
+++ b/lib/isc/unix/errno2result.c
@@ -55,6 +55,12 @@ isc___errno2result(int posixerrno, bool dolog,
 	case ENFILE:
 	case EMFILE:
 		return (ISC_R_TOOMANYOPENFILES);
+#ifdef EDQUOT
+	case EDQUOT:
+		return (ISC_R_DISCQUOTA);
+#endif
+	case ENOSPC:
+		return (ISC_R_DISCFULL);
 #ifdef EOVERFLOW
 	case EOVERFLOW:
 		return (ISC_R_RANGE);
diff --git a/lib/isc/win32/errno2result.c b/lib/isc/win32/errno2result.c
index 83dbb4e4e3..1123247037 100644
--- a/lib/isc/win32/errno2result.c
+++ b/lib/isc/win32/errno2result.c
@@ -62,6 +62,8 @@ isc__errno2resultx(int posixerrno, bool dolog,
 	case EMFILE:
 	case WSAEMFILE:
 		return (ISC_R_TOOMANYOPENFILES);
+	case ENOSPC:
+		return (ISC_R_DISCFULL);
 	case ERROR_CANCELLED:
 		return (ISC_R_CANCELED);
 	case ERROR_CONNECTION_REFUSED: