Initial version imported to CVS

1 files changed, 126 insertions, 0 deletions

diff --git a/source/lib/charcnv.c b/source/lib/charcnv.c
new file mode 100644
index 00000000000..049390f2a43
--- /dev/null
+++ b/source/lib/charcnv.c
@@ -0,0 +1,126 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Character set conversion Extensions
+   Copyright (C) Andrew Tridgell 1992-1994
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+#include "includes.h"
+extern int DEBUGLEVEL;
+
+static char cvtbuf[1024];
+
+static mapsinited = 0;
+
+static char unix2dos[256];
+static char dos2unix[256];
+
+static void initmaps() {
+    int k;
+
+    for (k = 0; k < 256; k++) unix2dos[k] = k;
+    for (k = 0; k < 256; k++) dos2unix[k] = k;
+
+    mapsinited = 1;
+}
+
+static void update_map(char * str) {
+    char *p;
+
+    for (p = str; *p; p++) {
+        if (p[1]) {
+            unix2dos[(unsigned char)*p] = p[1];
+            dos2unix[(unsigned char)p[1]] = *p;
+            p++;
+        }
+    }
+}
+
+static void initiso() {
+
+    if (!mapsinited) initmaps();
+
+    update_map("\241\255\242\233\243\234\244\236\245\235\246\272\247\025\250\251");
+    update_map("\251\273\252\246\253\256\254\252\255\274\256\310\257\257\260\370");
+    update_map("\261\361\262\375\263\264\264\265\265\266\266\024\267\371\270\267");
+    update_map("\271\270\272\247\273\275\274\254\275\253\276\276\277\250\200\277");
+    update_map("\301\300\302\301\303\302\304\216\305\217\306\222\307\200\310\303");
+    update_map("\311\220\312\305\313\306\314\307\315\315\316\317\317\320\320\311");
+    update_map("\321\245\322\321\323\322\324\323\325\324\326\231\327\312\330\325");
+    update_map("\331\326\332\327\333\330\334\232\335\313\336\314\337\341\340\205");
+    update_map("\341\240\342\203\343\331\344\204\345\206\346\221\347\207\350\212");
+    update_map("\351\202\352\210\353\211\354\215\355\241\356\214\357\213\360\316");
+    update_map("\361\244\362\225\363\242\364\223\365\332\366\224\367\366\370\362");
+    update_map("\371\227\372\243\373\226\374\201\375\304\376\263\377\230");
+}
+
+/*
+ * Convert unix to dos
+ */
+char *
+unix2dos_format(char *str,BOOL overwrite)
+{
+    char *p;
+    char *dp;
+
+    if (!mapsinited) initmaps();
+    if (overwrite) {
+        for (p = str; *p; p++) *p = unix2dos[(unsigned char)*p];
+        return str;
+    } else {
+        for (p = str, dp = cvtbuf; *p; p++,dp++) *dp = unix2dos[(unsigned char)*p];
+        *dp = 0;
+        return cvtbuf;
+    }
+}
+
+/*
+ * Convert dos to unix
+ */
+char *
+dos2unix_format (char *str, BOOL overwrite)
+{
+    char *p;
+    char *dp;
+
+    if (!mapsinited) initmaps();
+    if (overwrite) {
+        for (p = str; *p; p++) *p = dos2unix[(unsigned char)*p];
+        return str;
+    } else {
+        for (p = str, dp = cvtbuf; *p; p++,dp++) *dp = dos2unix[(unsigned char)*p];
+        *dp = 0;
+        return cvtbuf;
+    }
+}
+
+
+/*
+ * Interpret character set.
+ */
+int 
+interpret_character_set (char *str, int def)
+{
+
+    if (strequal (str, "iso8859-1")) {
+        initiso();
+        return def;
+    } else {
+        DEBUG(0,("unrecognized character set\n"));
+    }
+    return def;
+}