* libc/include/sys/errno.h: Fix comments.

* libc/string/strerror.c: Fix documentation.
	(_strerror_r): Handle ENETRESET, EILSEQ, ENODATA, ECONNRESET,
	EADDRNOTAVAIL, EOVERFLOW.  Fix strings for EMFILE and EDOM.

newlib/ChangeLog

@@ -1,3 +1,10 @@
+2014-07-14  Nick Withers  <nick.withers@anu.edu.au>
+
+	* libc/include/sys/errno.h: Fix comments.
+	* libc/string/strerror.c: Fix documentation.
+	(_strerror_r): Handle ENETRESET, EILSEQ, ENODATA, ECONNRESET,
+	EADDRNOTAVAIL, EOVERFLOW.  Fix strings for EMFILE and EDOM.
+
 2014-07-11  Kévin Petit  <kevin.petit@arm.com>
 
 	* libc/machine/aarch64/memchr.S: New file.

newlib/libc/include/sys/errno.h

@@ -28,7 +28,7 @@ extern __IMPORT char *program_invocation_short_name;
 
 #define __errno_r(ptr) ((ptr)->_errno)
 
-#define	EPERM 1		/* Not super-user */
+#define	EPERM 1		/* Not owner */
 #define	ENOENT 2	/* No such file or directory */
 #define	ESRCH 3		/* No such process */
 #define	EINTR 4		/* Interrupted system call */
@@ -39,13 +39,13 @@ extern __IMPORT char *program_invocation_short_name;
 #define	EBADF 9		/* Bad file number */
 #define	ECHILD 10	/* No children */
 #define	EAGAIN 11	/* No more processes */
-#define	ENOMEM 12	/* Not enough core */
+#define	ENOMEM 12	/* Not enough space */
 #define	EACCES 13	/* Permission denied */
 #define	EFAULT 14	/* Bad address */
 #ifdef __LINUX_ERRNO_EXTENSIONS__
 #define	ENOTBLK 15	/* Block device required */
 #endif
-#define	EBUSY 16	/* Mount device busy */
+#define	EBUSY 16	/* Device or resource busy */
 #define	EEXIST 17	/* File exists */
 #define	EXDEV 18	/* Cross-device link */
 #define	ENODEV 19	/* No such device */
@@ -53,17 +53,17 @@ extern __IMPORT char *program_invocation_short_name;
 #define	EISDIR 21	/* Is a directory */
 #define	EINVAL 22	/* Invalid argument */
 #define	ENFILE 23	/* Too many open files in system */
-#define	EMFILE 24	/* Too many open files */
+#define	EMFILE 24	/* File descriptor value too large */
-#define	ENOTTY 25	/* Not a typewriter */
+#define	ENOTTY 25	/* Not a character device */
 #define	ETXTBSY 26	/* Text file busy */
 #define	EFBIG 27	/* File too large */
 #define	ENOSPC 28	/* No space left on device */
 #define	ESPIPE 29	/* Illegal seek */
-#define	EROFS 30	/* Read only file system */
+#define	EROFS 30	/* Read-only file system */
 #define	EMLINK 31	/* Too many links */
 #define	EPIPE 32	/* Broken pipe */
-#define	EDOM 33		/* Math arg out of domain of func */
+#define	EDOM 33		/* Mathematics argument out of domain of function */
-#define	ERANGE 34	/* Math result not representable */
+#define	ERANGE 34	/* Result too large */
 #define	ENOMSG 35	/* No message of desired type */
 #define	EIDRM 36	/* Identifier removed */
 #ifdef __LINUX_ERRNO_EXTENSIONS__
@@ -76,8 +76,8 @@ extern __IMPORT char *program_invocation_short_name;
 #define	ENOCSI 43	/* No CSI structure available */
 #define	EL2HLT 44	/* Level 2 halted */
 #endif
-#define	EDEADLK 45	/* Deadlock condition */
+#define	EDEADLK 45	/* Deadlock */
-#define	ENOLCK 46	/* No record locks available */
+#define	ENOLCK 46	/* No lock */
 #ifdef __LINUX_ERRNO_EXTENSIONS__
 #define EBADE 50	/* Invalid exchange */
 #define EBADR 51	/* Invalid request descriptor */
@@ -88,16 +88,16 @@ extern __IMPORT char *program_invocation_short_name;
 #define EDEADLOCK 56	/* File locking deadlock error */
 #define EBFONT 57	/* Bad font file fmt */
 #endif
-#define ENOSTR 60	/* Device not a stream */
+#define ENOSTR 60	/* Not a stream */
 #define ENODATA 61	/* No data (for no delay io) */
-#define ETIME 62	/* Timer expired */
+#define ETIME 62	/* Stream ioctl timeout */
-#define ENOSR 63	/* Out of streams resources */
+#define ENOSR 63	/* No stream resources */
 #ifdef __LINUX_ERRNO_EXTENSIONS__
 #define ENONET 64	/* Machine is not on the network */
 #define ENOPKG 65	/* Package not installed */
 #define EREMOTE 66	/* The object is remote */
 #endif
-#define ENOLINK 67	/* The link has been severed */
+#define ENOLINK 67	/* Virtual circuit is gone */
 #ifdef __LINUX_ERRNO_EXTENSIONS__
 #define EADV 68		/* Advertise error */
 #define ESRMNT 69	/* Srmount error */
@@ -109,7 +109,7 @@ extern __IMPORT char *program_invocation_short_name;
 #define	ELBIN 75	/* Inode is remote (not really error) */
 #define	EDOTDOT 76	/* Cross mount point (not really error) */
 #endif
-#define EBADMSG 77	/* Trying to read unreadable message */
+#define EBADMSG 77	/* Bad message */
 #define EFTYPE 79	/* Inappropriate file type or format */
 #ifdef __LINUX_ERRNO_EXTENSIONS__
 #define ENOTUNIQ 80	/* Given log. name not unique */
@@ -128,7 +128,7 @@ extern __IMPORT char *program_invocation_short_name;
 #define ENOTEMPTY 90	/* Directory not empty */
 #define ENAMETOOLONG 91	/* File or path name too long */
 #define ELOOP 92	/* Too many symbolic links */
-#define EOPNOTSUPP 95	/* Operation not supported on transport endpoint */
+#define EOPNOTSUPP 95	/* Operation not supported on socket */
 #define EPFNOSUPPORT 96 /* Protocol family not supported */
 #define ECONNRESET 104  /* Connection reset by peer */
 #define ENOBUFS 105	/* No buffer space available */
@@ -141,7 +141,7 @@ extern __IMPORT char *program_invocation_short_name;
 #endif
 #define ECONNREFUSED 111	/* Connection refused */
 #define EADDRINUSE 112		/* Address already in use */
-#define ECONNABORTED 113	/* Connection aborted */
+#define ECONNABORTED 113	/* Software caused connection abort */
 #define ENETUNREACH 114		/* Network is unreachable */
 #define ENETDOWN 115		/* Network interface is not configured */
 #define ETIMEDOUT 116		/* Connection timed out */
@@ -156,7 +156,7 @@ extern __IMPORT char *program_invocation_short_name;
 #define ESOCKTNOSUPPORT 124	/* Socket type not supported */
 #endif
 #define EADDRNOTAVAIL 125	/* Address not available */
-#define ENETRESET 126
+#define ENETRESET 126		/* Connection aborted by network */
 #define EISCONN 127		/* Socket is already connected */
 #define ENOTCONN 128		/* Socket is not connected */
 #define ETOOMANYREFS 129
@@ -174,7 +174,7 @@ extern __IMPORT char *program_invocation_short_name;
 #define ENOSHARE 136    /* No such host or network path */
 #define ECASECLASH 137  /* Filename exists with different case */
 #endif
-#define EILSEQ 138
+#define EILSEQ 138		/* Illegal byte sequence */
 #define EOVERFLOW 139	/* Value too large for defined data type */
 #define ECANCELED 140	/* Operation canceled */
 #define ENOTRECOVERABLE 141	/* State not recoverable */

newlib/libc/string/strerror.c

@@ -45,6 +45,9 @@ Permission denied
 o EADDRINUSE
 Address already in use
 
+o EADDRNOTAVAIL
+Address not available
+
 o EADV
 Advertise error
 
@@ -66,6 +69,9 @@ Bad message
 o EBUSY
 Device or resource busy
 
+o ECANCELED
+Operation canceled
+
 o ECHILD
 No children
 
@@ -78,6 +84,9 @@ Software caused connection abort
 o ECONNREFUSED
 Connection refused
 
+o ECONNRESET
+Connection reset by peer
+
 o EDEADLK
 Deadlock
 
@@ -88,7 +97,7 @@ o EEXIST
 File exists
 
 o EDOM
-Math argument
+Mathematics argument out of domain of function
 
 o EFAULT
 Bad address
@@ -105,6 +114,9 @@ Host is unreachable
 o EIDRM
 Identifier removed
 
+o EILSEQ
+Illegal byte sequence
+
 o EINPROGRESS
 Connection already in progress
 
@@ -139,7 +151,7 @@ o ELIBSCN
 <<.lib>> section in a.out corrupted
 
 o EMFILE
-Too many open files
+File descriptor value too large
 
 o EMLINK
 Too many links
@@ -154,7 +166,10 @@ o ENAMETOOLONG
 File or path name too long
 
 o ENETDOWN
-Network interface not configured
+Network interface is not configured
+
+o ENETRESET
+Connection aborted by network
 
 o ENETUNREACH
 Network is unreachable
@@ -162,6 +177,12 @@ Network is unreachable
 o ENFILE
 Too many open files in system
 
+o ENOBUFS
+No buffer space available
+
+o ENODATA
+No data
+
 o ENODEV
 No such device
 
@@ -216,6 +237,9 @@ Not a directory
 o ENOTEMPTY
 Directory not empty
 
+o ENOTRECOVERABLE
+State not recoverable
+
 o ENOTSOCK
 Socket operation on non-socket
 
@@ -228,6 +252,15 @@ Not a character device
 o ENXIO
 No such device or address
 
+o EOPNOTSUPP
+Operation not supported on socket
+
+o EOVERFLOW
+Value too large for defined data type
+
+o EOWNERDEAD
+Previous owner died
+
 o EPERM
 Not owner
 
@@ -267,6 +300,9 @@ No such process
 o ESRMNT
 Srmount error
 
+o ESTRPIPE
+Strings pipe error
+
 o ETIME
 Stream ioctl timeout
 
@@ -276,21 +312,12 @@ Connection timed out
 o ETXTBSY
 Text file busy
 
+o EWOULDBLOCK
+EAGAIN
+
 o EXDEV
 Cross-device link
 
-o ECANCELED
-Operation canceled
-
-o ENOTRECOVERABLE
-State not recoverable
-
-o EOWNERDEAD
-Previous owner died
-
-o ESTRPIPE
-Strings pipe error
-
 o-
 
 <<_strerror_r>> is a reentrant version of the above.
@@ -504,6 +531,11 @@ _DEFUN (_strerror_r, (ptr, errnum, internal, errptr),
       error = "Network interface is not configured";
       break;
 #endif
+#ifdef ENETRESET
+    case ENETRESET:
+      error = "Connection aborted by network";
+      break;
+#endif
 #ifdef ENFILE
     case ENFILE:
       error = "Too many open files in system";
@@ -511,7 +543,7 @@ _DEFUN (_strerror_r, (ptr, errnum, internal, errptr),
 #endif
 #ifdef EMFILE
     case EMFILE:
-      error = "Too many open files";
+      error = "File descriptor value too large";
       break;
 #endif
 #ifdef ENOTTY
@@ -566,7 +598,7 @@ _DEFUN (_strerror_r, (ptr, errnum, internal, errptr),
 #endif
 #ifdef EDOM
     case EDOM:
-      error = "Math argument";
+      error = "Mathematics argument out of domain of function";
       break;
 #endif
 #ifdef ERANGE
@@ -584,6 +616,11 @@ _DEFUN (_strerror_r, (ptr, errnum, internal, errptr),
       error = "Identifier removed";
       break;
 #endif
+#ifdef EILSEQ
+    case EILSEQ:
+      error = "Illegal byte sequence";
+      break;
+#endif
 #ifdef EDEADLK
     case EDEADLK:
       error = "Deadlock";
@@ -724,6 +761,11 @@ _DEFUN (_strerror_r, (ptr, errnum, internal, errptr),
       error = "No buffer space available";
       break;
 #endif
+#ifdef ENODATA
+    case ENODATA:
+      error = "No data";
+      break;
+#endif
 #ifdef EAFNOSUPPORT
     case EAFNOSUPPORT:
       error = "Address family not supported by protocol family";
@@ -754,11 +796,21 @@ _DEFUN (_strerror_r, (ptr, errnum, internal, errptr),
       error = "Connection refused";
       break;
 #endif
+#ifdef ECONNRESET
+    case ECONNRESET:
+      error = "Connection reset by peer";
+      break;
+#endif
 #ifdef EADDRINUSE
     case EADDRINUSE:
       error = "Address already in use";
       break;
 #endif
+#ifdef EADDRNOTAVAIL
+    case EADDRNOTAVAIL:
+      error = "Address not available";
+      break;
+#endif
 #ifdef ECONNABORTED
     case ECONNABORTED:
       error = "Software caused connection abort";
@@ -809,6 +861,11 @@ _DEFUN (_strerror_r, (ptr, errnum, internal, errptr),
         error = "Operation not supported on socket";
         break;
 #endif
+#ifdef EOVERFLOW
+    case EOVERFLOW:
+      error = "Value too large for defined data type";
+      break;
+#endif
 #ifdef EMSGSIZE
     case EMSGSIZE:
         error = "Message too long";