From 2cc356588e586809287fa6f3c92b437e3a32c11a Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Thu, 14 Sep 2006 08:01:05 +0000
Subject: [PATCH] dirent emulation for MSVC

---
 include/ac/dirent.h        | 14 +++++++++
 libraries/liblutil/utils.c | 61 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)

diff --git a/include/ac/dirent.h b/include/ac/dirent.h
index bba3a6a4a6..e996e7256b 100644
--- a/include/ac/dirent.h
+++ b/include/ac/dirent.h
@@ -20,6 +20,20 @@
 #if HAVE_DIRENT_H
 # include <dirent.h>
 # define NAMLEN(dirent) strlen((dirent)->d_name)
+#elif defined(_MSC_VER)
+#include <windows.h>
+#ifndef MAX_PATH
+#define MAX_PATH	260
+#endif
+struct dirent {
+	char *d_name;
+};
+typedef struct DIR {
+	HANDLE dir;
+	struct dirent data;
+	int first;
+	char buf[MAX_PATH+1];
+} DIR;
 #else
 # define dirent direct
 # define NAMLEN(dirent) (dirent)->d_namlen
diff --git a/libraries/liblutil/utils.c b/libraries/liblutil/utils.c
index c7ae35cd12..e74f9093ce 100644
--- a/libraries/liblutil/utils.c
+++ b/libraries/liblutil/utils.c
@@ -314,6 +314,67 @@ int mkstemp( char * template )
 }
 #endif
 
+#ifdef _MSC_VER
+#include <windows.h>
+struct dirent {
+	char *d_name;
+};
+typedef struct DIR {
+	HANDLE dir;
+	struct dirent data;
+	int first;
+	char buf[MAX_PATH+1];
+} DIR;
+DIR *opendir( char *path )
+{
+	char tmp[32768];
+	int len = strlen(path);
+	DIR *d;
+	HANDLE h;
+	WIN32_FIND_DATA data;
+	
+	if (len+3 >= sizeof(tmp))
+		return NULL;
+
+	strcpy(tmp, path);
+	tmp[len++] = '\\';
+	tmp[len++] = '*';
+	tmp[len] = '\0';
+
+	h = FindFirstFile( tmp, &data );
+	
+	if ( h == INVALID_HANDLE_VALUE )
+		return NULL;
+
+	d = ber_memalloc( sizeof(DIR) );
+	if ( !d )
+		return NULL;
+	d->dir = h;
+	d->data.d_name = d->buf;
+	d->first = 1;
+	strcpy(d->data.d_name, data.cFileName);
+	return d;
+}
+struct dirent *readdir(DIR *dir)
+{
+	WIN32_FIND_DATA data;
+
+	if (dir->first) {
+		dir->first = 0;
+	} else {
+		if (!FindNextFile(dir->dir, &data))
+			return NULL;
+		strcpy(dir->data.d_name, data.cFileName);
+	}
+	return &dir->data;
+}
+void closedir(DIR *dir)
+{
+	FindClose(dir->dir);
+	ber_memfree(dir);
+}
+#endif
+
 /*
  * Memory Reverse Search
  */
-- 
2.39.5