driver & output: error info vector, error strings: initial implementation.

7 files changed, 368 insertions, 0 deletions

diff --git a/src/internal/ntux_driver_impl.h b/src/internal/ntux_driver_impl.h
index 6c635de..38d10cc 100644
--- a/src/internal/ntux_driver_impl.h
+++ b/src/internal/ntux_driver_impl.h
@@ -26,11 +26,39 @@ struct ntux_driver_ctx_impl {
 	struct ntux_common_ctx      cctx;
 	struct ntux_driver_ctx      ctx;
 	struct __psx_context        xctx;
+	const struct ntux_unit_ctx *euctx;
 	const char *                eunit;
 	struct ntux_error_info **   errinfp;
 	struct ntux_error_info **   erricap;
 	struct ntux_error_info *    erriptr[64];
 	struct ntux_error_info      erribuf[64];
+	char                        errsbuf[28];
+	int                         errcode;
 };
 
+
+static inline struct ntux_driver_ctx_impl * ntux_get_driver_ictx(const struct ntux_driver_ctx * dctx)
+{
+	uintptr_t addr;
+
+	if (dctx) {
+		addr = (uintptr_t)dctx - offsetof(struct ntux_driver_ctx_impl,ctx);
+		return (struct ntux_driver_ctx_impl *)addr;
+	}
+
+	return 0;
+}
+
+static inline void ntux_driver_set_ectx(
+	const struct ntux_driver_ctx * dctx,
+	const struct ntux_unit_ctx *   uctx,
+	const char *                   unit)
+{
+	struct ntux_driver_ctx_impl *  ictx;
+
+	ictx        = ntux_get_driver_ictx(dctx);
+	ictx->euctx = uctx;
+	ictx->eunit = unit;
+}
+
 #endif
diff --git a/src/internal/ntux_errinfo_impl.c b/src/internal/ntux_errinfo_impl.c
new file mode 100644
index 0000000..2c21663
--- /dev/null
+++ b/src/internal/ntux_errinfo_impl.c
@@ -0,0 +1,66 @@
+/***********************************************************/
+/*  ntux: native translation und extension                 */
+/*  Copyright (C) 2016--2018  Z. Gilboa                    */
+/*  Released under GPLv2 and GPLv3; see COPYING.NTUX.      */
+/***********************************************************/
+
+#include <ntux/ntux.h>
+#include "ntux_driver_impl.h"
+#include "ntux_errinfo_impl.h"
+
+int ntux_errno(const struct ntux_driver_ctx * dctx)
+{
+	struct ntux_driver_ctx_impl * ictx;
+	ictx = ntux_get_driver_ictx(dctx);
+	return ictx->errcode;
+}
+
+int ntux_errno_set(
+	const struct ntux_driver_ctx *	dctx,
+	int				esyscode)
+{
+	struct ntux_driver_ctx_impl *	ictx;
+
+	ictx = ntux_get_driver_ictx(dctx);
+	ictx->errcode = (esyscode < 0)
+		? -esyscode
+		: esyscode;
+
+	return esyscode;
+}
+
+int ntux_record_error(
+	const struct ntux_driver_ctx *	dctx,
+	int				esyscode,
+	int				elibcode,
+	const char *			efunction,
+	int				eline,
+	unsigned			eflags,
+	void *				eany)
+{
+	struct ntux_driver_ctx_impl *	ictx;
+	struct ntux_error_info *	erri;
+
+	ictx = ntux_get_driver_ictx(dctx);
+
+	if (ictx->errinfp == ictx->erricap)
+		return -1;
+
+	*ictx->errinfp = &ictx->erribuf[ictx->errinfp - ictx->erriptr];
+	erri = *ictx->errinfp;
+
+	erri->euctx     = ictx->euctx;
+	erri->eunit     = ictx->eunit;
+
+	erri->edctx     = dctx;
+	erri->esyscode  = esyscode;
+	erri->elibcode  = elibcode;
+	erri->efunction = efunction;
+	erri->eline     = eline;
+	erri->eflags    = eflags;
+	erri->eany      = eany;
+
+	ictx->errinfp++;
+
+	return -1;
+}
diff --git a/src/internal/ntux_errinfo_impl.h b/src/internal/ntux_errinfo_impl.h
new file mode 100644
index 0000000..1d3b527
--- /dev/null
+++ b/src/internal/ntux_errinfo_impl.h
@@ -0,0 +1,96 @@
+/***********************************************************/
+/*  ntux: native translation und extension                 */
+/*  Copyright (C) 2016--2018  Z. Gilboa                    */
+/*  Released under GPLv2 and GPLv3; see COPYING.NTUX.      */
+/***********************************************************/
+
+#include <ntux/ntux.h>
+
+int ntux_errno(const struct ntux_driver_ctx *);
+
+int ntux_errno_set(
+	const struct ntux_driver_ctx *,
+	int		esyscode);
+
+int ntux_record_error(
+	const struct ntux_driver_ctx *,
+	int		esyscode,
+	int		elibcode,
+	const char *	efunction,
+	int		eline,
+	unsigned	eflags,
+	void *		eany);
+
+#define NTUX_SYSTEM_ERROR(dctx)           \
+	ntux_record_error(                \
+		dctx,                     \
+		ntux_errno(dctx),         \
+		0,                        \
+		__func__,                 \
+		__LINE__,                 \
+		NTUX_ERROR_TOP_LEVEL,     \
+		0)
+
+#define NTUX_BUFFER_ERROR(dctx)           \
+	ntux_record_error(                \
+		dctx,                     \
+		ENOBUFS,                  \
+		0,                        \
+		__func__,                 \
+		__LINE__,                 \
+		NTUX_ERROR_TOP_LEVEL,     \
+		0)
+
+#define NTUX_SPAWN_ERROR(dctx)            \
+	ntux_record_error(                \
+		dctx,                     \
+		ntux_errno(dctx),         \
+		0,                        \
+		__func__,                 \
+		__LINE__,                 \
+		NTUX_ERROR_TOP_LEVEL      \
+		| (ntux_errno(dctx) ? 0   \
+		   : NTUX_ERROR_CHILD),   \
+		0)
+
+#define NTUX_FILE_ERROR(dctx)             \
+	ntux_record_error(                \
+		dctx,                     \
+		EIO,                      \
+		0,                        \
+		__func__,                 \
+		__LINE__,                 \
+		NTUX_ERROR_TOP_LEVEL,     \
+		0)
+
+#define NTUX_CUSTOM_ERROR(dctx,elibcode)  \
+	ntux_record_error(                \
+		dctx,                     \
+		0,                        \
+		elibcode,                 \
+		__func__,                 \
+		__LINE__,                 \
+		NTUX_ERROR_TOP_LEVEL      \
+		| NTUX_ERROR_CUSTOM,      \
+		0)
+
+#define NTUX_NATIVE_ERROR(dctx,elibcode)  \
+	ntux_record_error(                \
+		dctx,                     \
+		0,                        \
+		elibcode,                 \
+		__func__,                 \
+		__LINE__,                 \
+		NTUX_ERROR_TOP_LEVEL      \
+		| NTUX_ERROR_NATIVE,      \
+		0)
+
+#define NTUX_NESTED_ERROR(dctx)           \
+	ntux_record_error(                \
+		dctx,                     \
+		0,                        \
+		0,                        \
+		__func__,                 \
+		__LINE__,                 \
+		NTUX_ERROR_NESTED,        \
+		0)
diff --git a/src/internal/ntux_nolibc_impl.h b/src/internal/ntux_nolibc_impl.h
index d048bd4..a12b848 100644
--- a/src/internal/ntux_nolibc_impl.h
+++ b/src/internal/ntux_nolibc_impl.h
@@ -5,6 +5,7 @@
 #define fileno   ntux_fileno
 
 #define fputs    ntux_fputs
+#define fflush   ntux_fflush
 #define fprintf  ntux_fprintf
 #define sprintf  ntux_sprintf
 #define snprintf ntux_snprintf
@@ -35,6 +36,7 @@ int	ntux_sprintf(char * str, const char * fmt, ...);
 int	ntux_snprintf(char * str, size_t n, const char * fmt, ...);
 int	ntux_fprintf(FILE *__restrict, const char *__restrict, ...);
 int	ntux_fputs(const char * str, FILE * file);
+int	ntux_fflush(FILE *);
 
 void *  ntux_memcpy(void * dst, const void * src, size_t n);
 void *	memset(void * ch, int c, size_t n);
diff --git a/src/internal/ntux_ntaio_impl.c b/src/internal/ntux_ntaio_impl.c
index 377a833..850a7d7 100644
--- a/src/internal/ntux_ntaio_impl.c
+++ b/src/internal/ntux_ntaio_impl.c
@@ -112,3 +112,8 @@ int ntux_fileno(void * any)
 {
 	return (int)(intptr_t)any;
 }
+
+int ntux_fflush(FILE * file)
+{
+	return __sys_fsync((int)(intptr_t)file);
+}
diff --git a/src/internal/ntux_strerr_impl.c b/src/internal/ntux_strerr_impl.c
new file mode 100644
index 0000000..6cb4853
--- /dev/null
+++ b/src/internal/ntux_strerr_impl.c
@@ -0,0 +1,165 @@
+/***********************************************************/
+/*  ntux: native translation und extension                 */
+/*  Copyright (C) 2016--2018  Z. Gilboa                    */
+/*  Released under GPLv2 and GPLv3; see COPYING.NTUX.      */
+/***********************************************************/
+
+#include <psxabi/sys_errno.h>
+
+#include <ntux/ntux.h>
+#include "ntux_driver_impl.h"
+#include "ntux_nolibc_impl.h"
+
+const char * ntux_posix_error_strs[] = {
+	[0]                      = "EOK",
+	[EPERM]                  = "EPERM",
+	[ENOENT]                 = "ENOENT",
+	[ESRCH]                  = "ESRCH",
+	[EINTR]                  = "EINTR",
+	[EIO]                    = "EIO",
+	[ENXIO]                  = "ENXIO",
+	[E2BIG]                  = "E2BIG",
+	[ENOEXEC]                = "ENOEXEC",
+	[EBADF]                  = "EBADF",
+	[ECHILD]                 = "ECHILD",
+	[EAGAIN]                 = "EAGAIN",
+	[ENOMEM]                 = "ENOMEM",
+	[EACCES]                 = "EACCES",
+	[EFAULT]                 = "EFAULT",
+	[ENOTBLK]                = "ENOTBLK",
+	[EBUSY]                  = "EBUSY",
+	[EEXIST]                 = "EEXIST",
+	[EXDEV]                  = "EXDEV",
+	[ENODEV]                 = "ENODEV",
+	[ENOTDIR]                = "ENOTDIR",
+	[EISDIR]                 = "EISDIR",
+	[EINVAL]                 = "EINVAL",
+	[ENFILE]                 = "ENFILE",
+	[EMFILE]                 = "EMFILE",
+	[ENOTTY]                 = "ENOTTY",
+	[ETXTBSY]                = "ETXTBSY",
+	[EFBIG]                  = "EFBIG",
+	[ENOSPC]                 = "ENOSPC",
+	[ESPIPE]                 = "ESPIPE",
+	[EROFS]                  = "EROFS",
+	[EMLINK]                 = "EMLINK",
+	[EPIPE]                  = "EPIPE",
+	[EDOM]                   = "EDOM",
+	[ERANGE]                 = "ERANGE",
+	[EDEADLK]                = "EDEADLK",
+	[ENAMETOOLONG]           = "ENAMETOOLONG",
+	[ENOLCK]                 = "ENOLCK",
+	[ENOSYS]                 = "ENOSYS",
+	[ENOTEMPTY]              = "ENOTEMPTY",
+	[ELOOP]                  = "ELOOP",
+	[ENOMSG]                 = "ENOMSG",
+	[EIDRM]                  = "EIDRM",
+	[ECHRNG]                 = "ECHRNG",
+	[EL2NSYNC]               = "EL2NSYNC",
+	[EL3HLT]                 = "EL3HLT",
+	[EL3RST]                 = "EL3RST",
+	[ELNRNG]                 = "ELNRNG",
+	[EUNATCH]                = "EUNATCH",
+	[ENOCSI]                 = "ENOCSI",
+	[EL2HLT]                 = "EL2HLT",
+	[EBADE]                  = "EBADE",
+	[EBADR]                  = "EBADR",
+	[EXFULL]                 = "EXFULL",
+	[ENOANO]                 = "ENOANO",
+	[EBADRQC]                = "EBADRQC",
+	[EBADSLT]                = "EBADSLT",
+	[EBFONT]                 = "EBFONT",
+	[ENOSTR]                 = "ENOSTR",
+	[ENODATA]                = "ENODATA",
+	[ETIME]                  = "ETIME",
+	[ENOSR]                  = "ENOSR",
+	[ENONET]                 = "ENONET",
+	[ENOPKG]                 = "ENOPKG",
+	[EREMOTE]                = "EREMOTE",
+	[ENOLINK]                = "ENOLINK",
+	[EADV]                   = "EADV",
+	[ESRMNT]                 = "ESRMNT",
+	[ECOMM]                  = "ECOMM",
+	[EPROTO]                 = "EPROTO",
+	[EMULTIHOP]              = "EMULTIHOP",
+	[EDOTDOT]                = "EDOTDOT",
+	[EBADMSG]                = "EBADMSG",
+	[EOVERFLOW]              = "EOVERFLOW",
+	[ENOTUNIQ]               = "ENOTUNIQ",
+	[EBADFD]                 = "EBADFD",
+	[EREMCHG]                = "EREMCHG",
+	[ELIBACC]                = "ELIBACC",
+	[ELIBBAD]                = "ELIBBAD",
+	[ELIBSCN]                = "ELIBSCN",
+	[ELIBMAX]                = "ELIBMAX",
+	[ELIBEXEC]               = "ELIBEXEC",
+	[EILSEQ]                 = "EILSEQ",
+	[ERESTART]               = "ERESTART",
+	[ESTRPIPE]               = "ESTRPIPE",
+	[EUSERS]                 = "EUSERS",
+	[ENOTSOCK]               = "ENOTSOCK",
+	[EDESTADDRREQ]           = "EDESTADDRREQ",
+	[EMSGSIZE]               = "EMSGSIZE",
+	[EPROTOTYPE]             = "EPROTOTYPE",
+	[ENOPROTOOPT]            = "ENOPROTOOPT",
+	[EPROTONOSUPPORT]        = "EPROTONOSUPPORT",
+	[ESOCKTNOSUPPORT]        = "ESOCKTNOSUPPORT",
+	[EOPNOTSUPP]             = "EOPNOTSUPP",
+	[EPFNOSUPPORT]           = "EPFNOSUPPORT",
+	[EAFNOSUPPORT]           = "EAFNOSUPPORT",
+	[EADDRINUSE]             = "EADDRINUSE",
+	[EADDRNOTAVAIL]          = "EADDRNOTAVAIL",
+	[ENETDOWN]               = "ENETDOWN",
+	[ENETUNREACH]            = "ENETUNREACH",
+	[ENETRESET]              = "ENETRESET",
+	[ECONNABORTED]           = "ECONNABORTED",
+	[ECONNRESET]             = "ECONNRESET",
+	[ENOBUFS]                = "ENOBUFS",
+	[EISCONN]                = "EISCONN",
+	[ENOTCONN]               = "ENOTCONN",
+	[ESHUTDOWN]              = "ESHUTDOWN",
+	[ETOOMANYREFS]           = "ETOOMANYREFS",
+	[ETIMEDOUT]              = "ETIMEDOUT",
+	[ECONNREFUSED]           = "ECONNREFUSED",
+	[EHOSTDOWN]              = "EHOSTDOWN",
+	[EHOSTUNREACH]           = "EHOSTUNREACH",
+	[EALREADY]               = "EALREADY",
+	[EINPROGRESS]            = "EINPROGRESS",
+	[ESTALE]                 = "ESTALE",
+	[EUCLEAN]                = "EUCLEAN",
+	[ENOTNAM]                = "ENOTNAM",
+	[ENAVAIL]                = "ENAVAIL",
+	[EISNAM]                 = "EISNAM",
+	[EREMOTEIO]              = "EREMOTEIO",
+	[EDQUOT]                 = "EDQUOT",
+	[ENOMEDIUM]              = "ENOMEDIUM",
+	[EMEDIUMTYPE]            = "EMEDIUMTYPE",
+	[ECANCELED]              = "ECANCELED",
+	[ENOKEY]                 = "ENOKEY",
+	[EKEYEXPIRED]            = "EKEYEXPIRED",
+	[EKEYREVOKED]            = "EKEYREVOKED",
+	[EKEYREJECTED]           = "EKEYREJECTED",
+	[EOWNERDEAD]             = "EOWNERDEAD",
+	[ENOTRECOVERABLE]        = "ENOTRECOVERABLE",
+	[ERFKILL]                = "ERFKILL",
+	[EHWPOISON]              = "EHWPOISON",
+	[EERRORS]                = 0};
+
+const char * ntux_strerror(
+	const struct ntux_driver_ctx *	dctx,
+	int				errno)
+{
+	struct ntux_driver_ctx_impl *	ictx;
+
+	if ((errno >= 0) && (errno < EERRORS))
+		return ntux_posix_error_strs[errno];
+
+	ictx = ntux_get_driver_ictx(dctx);
+
+	ntux_sprintf(
+		ictx->errsbuf,
+		"Unknown error %d",
+		errno);
+
+	return ictx->errsbuf;
+}
diff --git a/src/internal/ntux_strerr_impl.h b/src/internal/ntux_strerr_impl.h
new file mode 100644
index 0000000..3f317a7
--- /dev/null
+++ b/src/internal/ntux_strerr_impl.h
@@ -0,0 +1,6 @@
+#ifndef NTUX_STRERR_IMPL_H
+#define NTUX_STRERR_IMPL_H
+
+const char * ntux_strerror(const struct ntux_driver_ctx *, int);
+
+#endif