From 18b707bdccb71a9ac26b431cca8deac42fc0501a Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 2 Jun 2019 04:25:19 +0000
Subject: glue layer: added a framework-specific realpath() implementation.

---
 src/misc/nt32/realpath.c | 30 ++++++++++++++++++++++++++++++
 src/misc/nt64/realpath.c | 30 ++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 src/misc/nt32/realpath.c
 create mode 100644 src/misc/nt64/realpath.c

(limited to 'src')

diff --git a/src/misc/nt32/realpath.c b/src/misc/nt32/realpath.c
new file mode 100644
index 0000000..0376011
--- /dev/null
+++ b/src/misc/nt32/realpath.c
@@ -0,0 +1,30 @@
+#include <limits.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include "psxglue.h"
+
+extern const struct __psx_vtbl *  __psx_vtbl;
+
+char * realpath(const char * restrict filename, char * restrict resolved)
+{
+	int  ecode;
+	char buf[PATH_MAX];
+
+	ecode = filename
+		? __psx_vtbl->fs_rpath(
+			AT_FDCWD,filename,
+			O_NONBLOCK|O_CLOEXEC,
+			buf,sizeof(buf))
+		: -EINVAL;
+
+	if (ecode < 0) {
+		errno = -ecode;
+		return 0;
+	}
+
+	return resolved
+		? strcpy(resolved,buf)
+		: strdup(buf);
+}
diff --git a/src/misc/nt64/realpath.c b/src/misc/nt64/realpath.c
new file mode 100644
index 0000000..0376011
--- /dev/null
+++ b/src/misc/nt64/realpath.c
@@ -0,0 +1,30 @@
+#include <limits.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include "psxglue.h"
+
+extern const struct __psx_vtbl *  __psx_vtbl;
+
+char * realpath(const char * restrict filename, char * restrict resolved)
+{
+	int  ecode;
+	char buf[PATH_MAX];
+
+	ecode = filename
+		? __psx_vtbl->fs_rpath(
+			AT_FDCWD,filename,
+			O_NONBLOCK|O_CLOEXEC,
+			buf,sizeof(buf))
+		: -EINVAL;
+
+	if (ecode < 0) {
+		errno = -ecode;
+		return 0;
+	}
+
+	return resolved
+		? strcpy(resolved,buf)
+		: strdup(buf);
+}
-- 
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