ntux_cmd_stat(): initial implementation and integration.

4 files changed, 132 insertions, 2 deletions

diff --git a/include/ntux/ntux.h b/include/ntux/ntux.h
index 12cba1e..d612e6e 100644
--- a/include/ntux/ntux.h
+++ b/include/ntux/ntux.h
@@ -102,6 +102,9 @@ ntux_api int  ntux_get_driver_ctx	(char ** argv, char ** envp, uint32_t flags, s
 ntux_api int  ntux_create_driver_ctx	(const struct ntux_common_ctx *, struct ntux_driver_ctx **);
 ntux_api void ntux_free_driver_ctx	(struct ntux_driver_ctx *);
 
+/* cmd api */
+ntux_api int  ntux_cmd_stat		(const struct ntux_driver_ctx *, const char *);
+
 /* utility api */
 ntux_api int  ntux_main			(int, char **, char **);
 ntux_api int  ntux_output_error_vector  (const struct ntux_driver_ctx *);
diff --git a/project/common.mk b/project/common.mk
index 1be73a6..4790bc0 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -11,6 +11,9 @@ INTERNAL_SRCS = \
 	src/internal/ntux_ntaio_impl.c \
 	src/internal/ntux_strerr_impl.c \
 
+CMD_SRCS = \
+	src/cmds/ntux_cmd_stat.c \
+
 OUTPUT_SRCS = \
 	src/output/ntux_output_error.c \
 
@@ -20,4 +23,5 @@ APP_SRCS = \
 COMMON_SRCS = \
 	$(DRIVER_SRCS)      \
 	$(INTERNAL_SRCS)    \
+	$(CMD_SRCS)         \
 	$(OUTPUT_SRCS)      \
diff --git a/src/cmds/ntux_cmd_stat.c b/src/cmds/ntux_cmd_stat.c
new file mode 100644
index 0000000..38076b3
--- /dev/null
+++ b/src/cmds/ntux_cmd_stat.c
@@ -0,0 +1,123 @@
+/***********************************************************/
+/*  ntux: native translation und extension                 */
+/*  Copyright (C) 2016--2018  Z. Gilboa                    */
+/*  Released under GPLv2 and GPLv3; see COPYING.NTUX.      */
+/***********************************************************/
+
+#include <ntapi/ntapi.h>
+#include <psxabi/sys_sysapi.h>
+#include <psxabi/sys_stat.h>
+#include <psxabi/sys_errno.h>
+
+#include <psxxfi/xfi_ofd.h>
+#include <psxxfi/xfi_unicode.h>
+
+#include <ntux/ntux.h>
+#include "ntux_driver_impl.h"
+#include "ntux_nolibc_impl.h"
+#include "ntux_errinfo_impl.h"
+
+static int ntux_cmd_stat_ret(int fd, struct __ofd * ofd, void * buf, void * sbuf, int ret)
+{
+	if (fd >= 0)
+		__sys_close(fd);
+
+	if (ofd)
+		__xfi_ofd_ref_dec(ofd);
+
+	if (buf)
+		ntux_free(buf);
+
+	if (sbuf)
+		ntux_free(sbuf);
+
+	return ret;
+}
+
+int ntux_cmd_stat(const struct ntux_driver_ctx * dctx, const char * dunit)
+{
+	intptr_t		ret;
+	int32_t			status;
+	const unsigned char *	unit;
+	nt_stat *		nstat;
+	struct __stat		st;
+	char *			str;
+	int			fd      = -1;
+	struct __ofd *		ofd     = 0;
+	void *			buf     = 0;
+	void *			sbuf    = 0;
+	const size_t		bufsize = 0x10000;
+
+	/* init */
+	ntux_driver_set_ectx(
+		dctx,0,dunit);
+
+	unit = (const unsigned char *)dunit;
+
+	/* open */
+	if ((ret = __sys_open(unit,0,0)) < 0)
+		if (ntux_errno_set(dctx,ret))
+			return ntux_cmd_stat_ret(
+				fd,ofd,buf,sbuf,
+				NTUX_SYSTEM_ERROR(dctx));
+
+	fd = ret;
+
+	/* ofd */
+	if (!(ofd = __xfi_ofd_ref_inc(fd)))
+		return ntux_cmd_stat_ret(
+			fd,ofd,buf,sbuf,
+			NTUX_CUSTOM_ERROR(
+				dctx,
+				NTUX_ERR_FLOW_ERROR));
+
+	/* fstat */
+	if ((ret = __sys_fstat(fd,&st)))
+		if (ntux_errno_set(dctx,ret))
+			return ntux_cmd_stat_ret(
+				fd,ofd,buf,sbuf,
+				NTUX_SYSTEM_ERROR(dctx));
+
+	/* buffers */
+	if (!(buf = ntux_calloc(1,bufsize)))
+		if (ntux_errno_set(dctx,ENOMEM))
+			return ntux_cmd_stat_ret(
+				fd,ofd,buf,sbuf,
+				NTUX_SYSTEM_ERROR(dctx));
+
+	if (!(sbuf = ntux_calloc(1,bufsize)))
+		if (ntux_errno_set(dctx,ENOMEM))
+			return ntux_cmd_stat_ret(
+				fd,ofd,buf,sbuf,
+				NTUX_SYSTEM_ERROR(dctx));
+
+	nstat = (nt_stat *)sbuf;
+
+	/* stat */
+	if ((status = ntapi->tt_stat(
+			ofd->info.hfile,
+			nstat,bufsize,
+			buf,bufsize,
+			NT_STAT_DEV_NAME_COPY)))
+		return ntux_cmd_stat_ret(
+			fd,ofd,buf,sbuf,
+			NTUX_NATIVE_ERROR(dctx,status));
+
+	/* native name */
+	str = (char *)buf;
+
+	if ((status = __xfi_strconv_utf16_to_utf8(
+			nstat->dev_name,
+			str,bufsize,0)))
+		return ntux_cmd_stat_ret(
+			fd,ofd,buf,sbuf,
+			NTUX_NATIVE_ERROR(dctx,status));
+
+	ntux_fprintf(stdout,"fname: %s\n",str);
+
+	/* inode */
+	ntux_fprintf(stdout,"inode: 0x%p (%lld)\n",st.st_ino,st.st_ino);
+
+	/* all done */
+	return ntux_cmd_stat_ret(fd,ofd,buf,sbuf,0);
+}
diff --git a/src/driver/ntux_amain.c b/src/driver/ntux_amain.c
index 11741c9..7749f63 100644
--- a/src/driver/ntux_amain.c
+++ b/src/driver/ntux_amain.c
@@ -51,8 +51,8 @@ static void ntux_perform_unit_actions(
 	const struct ntux_driver_ctx *	dctx,
 	const char *			unit)
 {
-	(void)dctx;
-	(void)unit;
+	if (dctx->cctx->cmd == NTUX_CMD_STAT)
+		ntux_cmd_stat(dctx,unit);
 }
 
 static int ntux_exit(struct ntux_driver_ctx * dctx, int ret)